summaryrefslogtreecommitdiffstats
path: root/drivers/clk/mmp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/clk/mmp/Makefile18
-rw-r--r--drivers/clk/mmp/clk-apbc.c151
-rw-r--r--drivers/clk/mmp/clk-apmu.c96
-rw-r--r--drivers/clk/mmp/clk-audio.c445
-rw-r--r--drivers/clk/mmp/clk-frac.c209
-rw-r--r--drivers/clk/mmp/clk-gate.c130
-rw-r--r--drivers/clk/mmp/clk-mix.c509
-rw-r--r--drivers/clk/mmp/clk-mmp2.c457
-rw-r--r--drivers/clk/mmp/clk-of-mmp2.c570
-rw-r--r--drivers/clk/mmp/clk-of-pxa168.c287
-rw-r--r--drivers/clk/mmp/clk-of-pxa1928.c267
-rw-r--r--drivers/clk/mmp/clk-of-pxa910.c324
-rw-r--r--drivers/clk/mmp/clk-pll.c170
-rw-r--r--drivers/clk/mmp/clk-pxa168.c357
-rw-r--r--drivers/clk/mmp/clk-pxa910.c328
-rw-r--r--drivers/clk/mmp/clk.c192
-rw-r--r--drivers/clk/mmp/clk.h265
-rw-r--r--drivers/clk/mmp/pwr-island.c115
-rw-r--r--drivers/clk/mmp/reset.c100
-rw-r--r--drivers/clk/mmp/reset.h32
20 files changed, 5022 insertions, 0 deletions
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
new file mode 100644
index 000000000..cbcc2f843
--- /dev/null
+++ b/drivers/clk/mmp/Makefile
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for mmp specific clk
+#
+
+obj-y += clk-apbc.o clk-apmu.o clk-frac.o clk-mix.o clk-gate.o clk.o
+
+obj-$(CONFIG_RESET_CONTROLLER) += reset.o
+
+obj-$(CONFIG_MACH_MMP_DT) += clk-of-pxa168.o clk-of-pxa910.o
+obj-$(CONFIG_COMMON_CLK_MMP2) += clk-of-mmp2.o clk-pll.o pwr-island.o
+obj-$(CONFIG_COMMON_CLK_MMP2_AUDIO) += clk-audio.o
+
+obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o
+obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o
+obj-$(CONFIG_CPU_MMP2) += clk-mmp2.o
+
+obj-y += clk-of-pxa1928.o
diff --git a/drivers/clk/mmp/clk-apbc.c b/drivers/clk/mmp/clk-apbc.c
new file mode 100644
index 000000000..fb294ada0
--- /dev/null
+++ b/drivers/clk/mmp/clk-apbc.c
@@ -0,0 +1,151 @@
+/*
+ * mmp APB clock operation source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+/* Common APB clock register bit definitions */
+#define APBC_APBCLK (1 << 0) /* APB Bus Clock Enable */
+#define APBC_FNCLK (1 << 1) /* Functional Clock Enable */
+#define APBC_RST (1 << 2) /* Reset Generation */
+#define APBC_POWER (1 << 7) /* Reset Generation */
+
+#define to_clk_apbc(hw) container_of(hw, struct clk_apbc, hw)
+struct clk_apbc {
+ struct clk_hw hw;
+ void __iomem *base;
+ unsigned int delay;
+ unsigned int flags;
+ spinlock_t *lock;
+};
+
+static int clk_apbc_prepare(struct clk_hw *hw)
+{
+ struct clk_apbc *apbc = to_clk_apbc(hw);
+ unsigned int data;
+ unsigned long flags = 0;
+
+ /*
+ * It may share same register as MUX clock,
+ * and it will impact FNCLK enable. Spinlock is needed
+ */
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ if (apbc->flags & APBC_POWER_CTRL)
+ data |= APBC_POWER;
+ data |= APBC_FNCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(apbc->delay);
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ data |= APBC_APBCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(apbc->delay);
+
+ if (!(apbc->flags & APBC_NO_BUS_CTRL)) {
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ data &= ~APBC_RST;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+ }
+
+ return 0;
+}
+
+static void clk_apbc_unprepare(struct clk_hw *hw)
+{
+ struct clk_apbc *apbc = to_clk_apbc(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ if (apbc->flags & APBC_POWER_CTRL)
+ data &= ~APBC_POWER;
+ data &= ~APBC_FNCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(10);
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ data &= ~APBC_APBCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+}
+
+static const struct clk_ops clk_apbc_ops = {
+ .prepare = clk_apbc_prepare,
+ .unprepare = clk_apbc_unprepare,
+};
+
+struct clk *mmp_clk_register_apbc(const char *name, const char *parent_name,
+ void __iomem *base, unsigned int delay,
+ unsigned int apbc_flags, spinlock_t *lock)
+{
+ struct clk_apbc *apbc;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ apbc = kzalloc(sizeof(*apbc), GFP_KERNEL);
+ if (!apbc)
+ return NULL;
+
+ init.name = name;
+ init.ops = &clk_apbc_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ apbc->base = base;
+ apbc->delay = delay;
+ apbc->flags = apbc_flags;
+ apbc->lock = lock;
+ apbc->hw.init = &init;
+
+ clk = clk_register(NULL, &apbc->hw);
+ if (IS_ERR(clk))
+ kfree(apbc);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-apmu.c b/drivers/clk/mmp/clk-apmu.c
new file mode 100644
index 000000000..b7ce8f520
--- /dev/null
+++ b/drivers/clk/mmp/clk-apmu.c
@@ -0,0 +1,96 @@
+/*
+ * mmp AXI peripharal clock operation source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+#define to_clk_apmu(clk) (container_of(clk, struct clk_apmu, clk))
+struct clk_apmu {
+ struct clk_hw hw;
+ void __iomem *base;
+ u32 rst_mask;
+ u32 enable_mask;
+ spinlock_t *lock;
+};
+
+static int clk_apmu_enable(struct clk_hw *hw)
+{
+ struct clk_apmu *apmu = to_clk_apmu(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apmu->lock)
+ spin_lock_irqsave(apmu->lock, flags);
+
+ data = readl_relaxed(apmu->base) | apmu->enable_mask;
+ writel_relaxed(data, apmu->base);
+
+ if (apmu->lock)
+ spin_unlock_irqrestore(apmu->lock, flags);
+
+ return 0;
+}
+
+static void clk_apmu_disable(struct clk_hw *hw)
+{
+ struct clk_apmu *apmu = to_clk_apmu(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apmu->lock)
+ spin_lock_irqsave(apmu->lock, flags);
+
+ data = readl_relaxed(apmu->base) & ~apmu->enable_mask;
+ writel_relaxed(data, apmu->base);
+
+ if (apmu->lock)
+ spin_unlock_irqrestore(apmu->lock, flags);
+}
+
+static const struct clk_ops clk_apmu_ops = {
+ .enable = clk_apmu_enable,
+ .disable = clk_apmu_disable,
+};
+
+struct clk *mmp_clk_register_apmu(const char *name, const char *parent_name,
+ void __iomem *base, u32 enable_mask, spinlock_t *lock)
+{
+ struct clk_apmu *apmu;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ apmu = kzalloc(sizeof(*apmu), GFP_KERNEL);
+ if (!apmu)
+ return NULL;
+
+ init.name = name;
+ init.ops = &clk_apmu_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ apmu->base = base;
+ apmu->enable_mask = enable_mask;
+ apmu->lock = lock;
+ apmu->hw.init = &init;
+
+ clk = clk_register(NULL, &apmu->hw);
+
+ if (IS_ERR(clk))
+ kfree(apmu);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-audio.c b/drivers/clk/mmp/clk-audio.c
new file mode 100644
index 000000000..7aa7f4a95
--- /dev/null
+++ b/drivers/clk/mmp/clk-audio.c
@@ -0,0 +1,445 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MMP Audio Clock Controller driver
+ *
+ * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <dt-bindings/clock/marvell,mmp2-audio.h>
+
+/* Audio Controller Registers */
+#define SSPA_AUD_CTRL 0x04
+#define SSPA_AUD_PLL_CTRL0 0x08
+#define SSPA_AUD_PLL_CTRL1 0x0c
+
+/* SSPA Audio Control Register */
+#define SSPA_AUD_CTRL_SYSCLK_SHIFT 0
+#define SSPA_AUD_CTRL_SYSCLK_DIV_SHIFT 1
+#define SSPA_AUD_CTRL_SSPA0_MUX_SHIFT 7
+#define SSPA_AUD_CTRL_SSPA0_SHIFT 8
+#define SSPA_AUD_CTRL_SSPA0_DIV_SHIFT 9
+#define SSPA_AUD_CTRL_SSPA1_SHIFT 16
+#define SSPA_AUD_CTRL_SSPA1_DIV_SHIFT 17
+#define SSPA_AUD_CTRL_SSPA1_MUX_SHIFT 23
+#define SSPA_AUD_CTRL_DIV_MASK 0x7e
+
+/* SSPA Audio PLL Control 0 Register */
+#define SSPA_AUD_PLL_CTRL0_DIV_OCLK_MODULO_MASK (0x7 << 28)
+#define SSPA_AUD_PLL_CTRL0_DIV_OCLK_MODULO(x) ((x) << 28)
+#define SSPA_AUD_PLL_CTRL0_FRACT_MASK (0xfffff << 8)
+#define SSPA_AUD_PLL_CTRL0_FRACT(x) ((x) << 8)
+#define SSPA_AUD_PLL_CTRL0_ENA_DITHER (1 << 7)
+#define SSPA_AUD_PLL_CTRL0_ICP_2UA (0 << 5)
+#define SSPA_AUD_PLL_CTRL0_ICP_5UA (1 << 5)
+#define SSPA_AUD_PLL_CTRL0_ICP_7UA (2 << 5)
+#define SSPA_AUD_PLL_CTRL0_ICP_10UA (3 << 5)
+#define SSPA_AUD_PLL_CTRL0_DIV_FBCCLK_MASK (0x3 << 3)
+#define SSPA_AUD_PLL_CTRL0_DIV_FBCCLK(x) ((x) << 3)
+#define SSPA_AUD_PLL_CTRL0_DIV_MCLK_MASK (0x1 << 2)
+#define SSPA_AUD_PLL_CTRL0_DIV_MCLK(x) ((x) << 2)
+#define SSPA_AUD_PLL_CTRL0_PD_OVPROT_DIS (1 << 1)
+#define SSPA_AUD_PLL_CTRL0_PU (1 << 0)
+
+/* SSPA Audio PLL Control 1 Register */
+#define SSPA_AUD_PLL_CTRL1_SEL_FAST_CLK (1 << 24)
+#define SSPA_AUD_PLL_CTRL1_CLK_SEL_MASK (1 << 11)
+#define SSPA_AUD_PLL_CTRL1_CLK_SEL_AUDIO_PLL (1 << 11)
+#define SSPA_AUD_PLL_CTRL1_CLK_SEL_VCXO (0 << 11)
+#define SSPA_AUD_PLL_CTRL1_DIV_OCLK_PATTERN_MASK (0x7ff << 0)
+#define SSPA_AUD_PLL_CTRL1_DIV_OCLK_PATTERN(x) ((x) << 0)
+
+struct mmp2_audio_clk {
+ void __iomem *mmio_base;
+
+ struct clk_hw audio_pll_hw;
+ struct clk_mux sspa_mux;
+ struct clk_mux sspa1_mux;
+ struct clk_divider sysclk_div;
+ struct clk_divider sspa0_div;
+ struct clk_divider sspa1_div;
+ struct clk_gate sysclk_gate;
+ struct clk_gate sspa0_gate;
+ struct clk_gate sspa1_gate;
+
+ u32 aud_ctrl;
+ u32 aud_pll_ctrl0;
+ u32 aud_pll_ctrl1;
+
+ spinlock_t lock;
+
+ /* Must be last */
+ struct clk_hw_onecell_data clk_data;
+};
+
+static const struct {
+ unsigned long parent_rate;
+ unsigned long freq_vco;
+ unsigned char mclk;
+ unsigned char fbcclk;
+ unsigned short fract;
+} predivs[] = {
+ { 26000000, 135475200, 0, 0, 0x8a18 },
+ { 26000000, 147456000, 0, 1, 0x0da1 },
+ { 38400000, 135475200, 1, 2, 0x8208 },
+ { 38400000, 147456000, 1, 3, 0xaaaa },
+};
+
+static const struct {
+ unsigned char divisor;
+ unsigned char modulo;
+ unsigned char pattern;
+} postdivs[] = {
+ { 1, 3, 0, },
+ { 2, 5, 0, },
+ { 4, 0, 0, },
+ { 6, 1, 1, },
+ { 8, 1, 0, },
+ { 9, 1, 2, },
+ { 12, 2, 1, },
+ { 16, 2, 0, },
+ { 18, 2, 2, },
+ { 24, 4, 1, },
+ { 36, 4, 2, },
+ { 48, 6, 1, },
+ { 72, 6, 2, },
+};
+
+static unsigned long audio_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mmp2_audio_clk *priv = container_of(hw, struct mmp2_audio_clk, audio_pll_hw);
+ unsigned int prediv;
+ unsigned int postdiv;
+ u32 aud_pll_ctrl0;
+ u32 aud_pll_ctrl1;
+
+ aud_pll_ctrl0 = readl(priv->mmio_base + SSPA_AUD_PLL_CTRL0);
+ aud_pll_ctrl0 &= SSPA_AUD_PLL_CTRL0_DIV_OCLK_MODULO_MASK |
+ SSPA_AUD_PLL_CTRL0_FRACT_MASK |
+ SSPA_AUD_PLL_CTRL0_ENA_DITHER |
+ SSPA_AUD_PLL_CTRL0_DIV_FBCCLK_MASK |
+ SSPA_AUD_PLL_CTRL0_DIV_MCLK_MASK |
+ SSPA_AUD_PLL_CTRL0_PU;
+
+ aud_pll_ctrl1 = readl(priv->mmio_base + SSPA_AUD_PLL_CTRL1);
+ aud_pll_ctrl1 &= SSPA_AUD_PLL_CTRL1_CLK_SEL_MASK |
+ SSPA_AUD_PLL_CTRL1_DIV_OCLK_PATTERN_MASK;
+
+ for (prediv = 0; prediv < ARRAY_SIZE(predivs); prediv++) {
+ if (predivs[prediv].parent_rate != parent_rate)
+ continue;
+ for (postdiv = 0; postdiv < ARRAY_SIZE(postdivs); postdiv++) {
+ unsigned long freq;
+ u32 val;
+
+ val = SSPA_AUD_PLL_CTRL0_ENA_DITHER;
+ val |= SSPA_AUD_PLL_CTRL0_PU;
+ val |= SSPA_AUD_PLL_CTRL0_DIV_OCLK_MODULO(postdivs[postdiv].modulo);
+ val |= SSPA_AUD_PLL_CTRL0_FRACT(predivs[prediv].fract);
+ val |= SSPA_AUD_PLL_CTRL0_DIV_FBCCLK(predivs[prediv].fbcclk);
+ val |= SSPA_AUD_PLL_CTRL0_DIV_MCLK(predivs[prediv].mclk);
+ if (val != aud_pll_ctrl0)
+ continue;
+
+ val = SSPA_AUD_PLL_CTRL1_CLK_SEL_AUDIO_PLL;
+ val |= SSPA_AUD_PLL_CTRL1_DIV_OCLK_PATTERN(postdivs[postdiv].pattern);
+ if (val != aud_pll_ctrl1)
+ continue;
+
+ freq = predivs[prediv].freq_vco;
+ freq /= postdivs[postdiv].divisor;
+ return freq;
+ }
+ }
+
+ return 0;
+}
+
+static long audio_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ unsigned int prediv;
+ unsigned int postdiv;
+ long rounded = 0;
+
+ for (prediv = 0; prediv < ARRAY_SIZE(predivs); prediv++) {
+ if (predivs[prediv].parent_rate != *parent_rate)
+ continue;
+ for (postdiv = 0; postdiv < ARRAY_SIZE(postdivs); postdiv++) {
+ long freq = predivs[prediv].freq_vco;
+
+ freq /= postdivs[postdiv].divisor;
+ if (freq == rate)
+ return rate;
+ if (freq < rate)
+ continue;
+ if (rounded && freq > rounded)
+ continue;
+ rounded = freq;
+ }
+ }
+
+ return rounded;
+}
+
+static int audio_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct mmp2_audio_clk *priv = container_of(hw, struct mmp2_audio_clk, audio_pll_hw);
+ unsigned int prediv;
+ unsigned int postdiv;
+ unsigned long val;
+
+ for (prediv = 0; prediv < ARRAY_SIZE(predivs); prediv++) {
+ if (predivs[prediv].parent_rate != parent_rate)
+ continue;
+
+ for (postdiv = 0; postdiv < ARRAY_SIZE(postdivs); postdiv++) {
+ if (rate * postdivs[postdiv].divisor != predivs[prediv].freq_vco)
+ continue;
+
+ val = SSPA_AUD_PLL_CTRL0_ENA_DITHER;
+ val |= SSPA_AUD_PLL_CTRL0_PU;
+ val |= SSPA_AUD_PLL_CTRL0_DIV_OCLK_MODULO(postdivs[postdiv].modulo);
+ val |= SSPA_AUD_PLL_CTRL0_FRACT(predivs[prediv].fract);
+ val |= SSPA_AUD_PLL_CTRL0_DIV_FBCCLK(predivs[prediv].fbcclk);
+ val |= SSPA_AUD_PLL_CTRL0_DIV_MCLK(predivs[prediv].mclk);
+ writel(val, priv->mmio_base + SSPA_AUD_PLL_CTRL0);
+
+ val = SSPA_AUD_PLL_CTRL1_CLK_SEL_AUDIO_PLL;
+ val |= SSPA_AUD_PLL_CTRL1_DIV_OCLK_PATTERN(postdivs[postdiv].pattern);
+ writel(val, priv->mmio_base + SSPA_AUD_PLL_CTRL1);
+
+ return 0;
+ }
+ }
+
+ return -ERANGE;
+}
+
+static const struct clk_ops audio_pll_ops = {
+ .recalc_rate = audio_pll_recalc_rate,
+ .round_rate = audio_pll_round_rate,
+ .set_rate = audio_pll_set_rate,
+};
+
+static int register_clocks(struct mmp2_audio_clk *priv, struct device *dev)
+{
+ const struct clk_parent_data sspa_mux_parents[] = {
+ { .hw = &priv->audio_pll_hw },
+ { .fw_name = "i2s0" },
+ };
+ const struct clk_parent_data sspa1_mux_parents[] = {
+ { .hw = &priv->audio_pll_hw },
+ { .fw_name = "i2s1" },
+ };
+ int ret;
+
+ priv->audio_pll_hw.init = CLK_HW_INIT_FW_NAME("audio_pll",
+ "vctcxo", &audio_pll_ops,
+ CLK_SET_RATE_PARENT);
+ ret = devm_clk_hw_register(dev, &priv->audio_pll_hw);
+ if (ret)
+ return ret;
+
+ priv->sspa_mux.hw.init = CLK_HW_INIT_PARENTS_DATA("sspa_mux",
+ sspa_mux_parents, &clk_mux_ops,
+ CLK_SET_RATE_PARENT);
+ priv->sspa_mux.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sspa_mux.mask = 1;
+ priv->sspa_mux.shift = SSPA_AUD_CTRL_SSPA0_MUX_SHIFT;
+ ret = devm_clk_hw_register(dev, &priv->sspa_mux.hw);
+ if (ret)
+ return ret;
+
+ priv->sysclk_div.hw.init = CLK_HW_INIT_HW("sys_div",
+ &priv->sspa_mux.hw, &clk_divider_ops,
+ CLK_SET_RATE_PARENT);
+ priv->sysclk_div.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sysclk_div.shift = SSPA_AUD_CTRL_SYSCLK_DIV_SHIFT;
+ priv->sysclk_div.width = 6;
+ priv->sysclk_div.flags = CLK_DIVIDER_ONE_BASED;
+ priv->sysclk_div.flags |= CLK_DIVIDER_ROUND_CLOSEST;
+ priv->sysclk_div.flags |= CLK_DIVIDER_ALLOW_ZERO;
+ ret = devm_clk_hw_register(dev, &priv->sysclk_div.hw);
+ if (ret)
+ return ret;
+
+ priv->sysclk_gate.hw.init = CLK_HW_INIT_HW("sys_clk",
+ &priv->sysclk_div.hw, &clk_gate_ops,
+ CLK_SET_RATE_PARENT);
+ priv->sysclk_gate.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sysclk_gate.bit_idx = SSPA_AUD_CTRL_SYSCLK_SHIFT;
+ ret = devm_clk_hw_register(dev, &priv->sysclk_gate.hw);
+ if (ret)
+ return ret;
+
+ priv->sspa0_div.hw.init = CLK_HW_INIT_HW("sspa0_div",
+ &priv->sspa_mux.hw, &clk_divider_ops, 0);
+ priv->sspa0_div.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sspa0_div.shift = SSPA_AUD_CTRL_SSPA0_DIV_SHIFT;
+ priv->sspa0_div.width = 6;
+ priv->sspa0_div.flags = CLK_DIVIDER_ONE_BASED;
+ priv->sspa0_div.flags |= CLK_DIVIDER_ROUND_CLOSEST;
+ priv->sspa0_div.flags |= CLK_DIVIDER_ALLOW_ZERO;
+ ret = devm_clk_hw_register(dev, &priv->sspa0_div.hw);
+ if (ret)
+ return ret;
+
+ priv->sspa0_gate.hw.init = CLK_HW_INIT_HW("sspa0_clk",
+ &priv->sspa0_div.hw, &clk_gate_ops,
+ CLK_SET_RATE_PARENT);
+ priv->sspa0_gate.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sspa0_gate.bit_idx = SSPA_AUD_CTRL_SSPA0_SHIFT;
+ ret = devm_clk_hw_register(dev, &priv->sspa0_gate.hw);
+ if (ret)
+ return ret;
+
+ priv->sspa1_mux.hw.init = CLK_HW_INIT_PARENTS_DATA("sspa1_mux",
+ sspa1_mux_parents, &clk_mux_ops,
+ CLK_SET_RATE_PARENT);
+ priv->sspa1_mux.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sspa1_mux.mask = 1;
+ priv->sspa1_mux.shift = SSPA_AUD_CTRL_SSPA1_MUX_SHIFT;
+ ret = devm_clk_hw_register(dev, &priv->sspa1_mux.hw);
+ if (ret)
+ return ret;
+
+ priv->sspa1_div.hw.init = CLK_HW_INIT_HW("sspa1_div",
+ &priv->sspa1_mux.hw, &clk_divider_ops, 0);
+ priv->sspa1_div.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sspa1_div.shift = SSPA_AUD_CTRL_SSPA1_DIV_SHIFT;
+ priv->sspa1_div.width = 6;
+ priv->sspa1_div.flags = CLK_DIVIDER_ONE_BASED;
+ priv->sspa1_div.flags |= CLK_DIVIDER_ROUND_CLOSEST;
+ priv->sspa1_div.flags |= CLK_DIVIDER_ALLOW_ZERO;
+ ret = devm_clk_hw_register(dev, &priv->sspa1_div.hw);
+ if (ret)
+ return ret;
+
+ priv->sspa1_gate.hw.init = CLK_HW_INIT_HW("sspa1_clk",
+ &priv->sspa1_div.hw, &clk_gate_ops,
+ CLK_SET_RATE_PARENT);
+ priv->sspa1_gate.reg = priv->mmio_base + SSPA_AUD_CTRL;
+ priv->sspa1_gate.bit_idx = SSPA_AUD_CTRL_SSPA1_SHIFT;
+ ret = devm_clk_hw_register(dev, &priv->sspa1_gate.hw);
+ if (ret)
+ return ret;
+
+ priv->clk_data.hws[MMP2_CLK_AUDIO_SYSCLK] = &priv->sysclk_gate.hw;
+ priv->clk_data.hws[MMP2_CLK_AUDIO_SSPA0] = &priv->sspa0_gate.hw;
+ priv->clk_data.hws[MMP2_CLK_AUDIO_SSPA1] = &priv->sspa1_gate.hw;
+ priv->clk_data.num = MMP2_CLK_AUDIO_NR_CLKS;
+
+ return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
+ &priv->clk_data);
+}
+
+static int mmp2_audio_clk_probe(struct platform_device *pdev)
+{
+ struct mmp2_audio_clk *priv;
+ int ret;
+
+ priv = devm_kzalloc(&pdev->dev,
+ struct_size(priv, clk_data.hws,
+ MMP2_CLK_AUDIO_NR_CLKS),
+ GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ spin_lock_init(&priv->lock);
+ platform_set_drvdata(pdev, priv);
+
+ priv->mmio_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(priv->mmio_base))
+ return PTR_ERR(priv->mmio_base);
+
+ pm_runtime_enable(&pdev->dev);
+ ret = pm_clk_create(&pdev->dev);
+ if (ret)
+ goto disable_pm_runtime;
+
+ ret = pm_clk_add(&pdev->dev, "audio");
+ if (ret)
+ goto destroy_pm_clk;
+
+ ret = register_clocks(priv, &pdev->dev);
+ if (ret)
+ goto destroy_pm_clk;
+
+ return 0;
+
+destroy_pm_clk:
+ pm_clk_destroy(&pdev->dev);
+disable_pm_runtime:
+ pm_runtime_disable(&pdev->dev);
+
+ return ret;
+}
+
+static int mmp2_audio_clk_remove(struct platform_device *pdev)
+{
+ pm_clk_destroy(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int mmp2_audio_clk_suspend(struct device *dev)
+{
+ struct mmp2_audio_clk *priv = dev_get_drvdata(dev);
+
+ priv->aud_ctrl = readl(priv->mmio_base + SSPA_AUD_CTRL);
+ priv->aud_pll_ctrl0 = readl(priv->mmio_base + SSPA_AUD_PLL_CTRL0);
+ priv->aud_pll_ctrl1 = readl(priv->mmio_base + SSPA_AUD_PLL_CTRL1);
+ pm_clk_suspend(dev);
+
+ return 0;
+}
+
+static int mmp2_audio_clk_resume(struct device *dev)
+{
+ struct mmp2_audio_clk *priv = dev_get_drvdata(dev);
+
+ pm_clk_resume(dev);
+ writel(priv->aud_ctrl, priv->mmio_base + SSPA_AUD_CTRL);
+ writel(priv->aud_pll_ctrl0, priv->mmio_base + SSPA_AUD_PLL_CTRL0);
+ writel(priv->aud_pll_ctrl1, priv->mmio_base + SSPA_AUD_PLL_CTRL1);
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops mmp2_audio_clk_pm_ops = {
+ SET_RUNTIME_PM_OPS(mmp2_audio_clk_suspend, mmp2_audio_clk_resume, NULL)
+};
+
+static const struct of_device_id mmp2_audio_clk_of_match[] = {
+ { .compatible = "marvell,mmp2-audio-clock" },
+ {}
+};
+
+MODULE_DEVICE_TABLE(of, mmp2_audio_clk_of_match);
+
+static struct platform_driver mmp2_audio_clk_driver = {
+ .driver = {
+ .name = "mmp2-audio-clock",
+ .of_match_table = of_match_ptr(mmp2_audio_clk_of_match),
+ .pm = &mmp2_audio_clk_pm_ops,
+ },
+ .probe = mmp2_audio_clk_probe,
+ .remove = mmp2_audio_clk_remove,
+};
+module_platform_driver(mmp2_audio_clk_driver);
+
+MODULE_AUTHOR("Lubomir Rintel <lkundrak@v3.sk>");
+MODULE_DESCRIPTION("Clock driver for MMP2 Audio subsystem");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c
new file mode 100644
index 000000000..48f592bd6
--- /dev/null
+++ b/drivers/clk/mmp/clk-frac.c
@@ -0,0 +1,209 @@
+/*
+ * mmp factor clock operation source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+
+#include "clk.h"
+/*
+ * It is M/N clock
+ *
+ * Fout from synthesizer can be given from two equations:
+ * numerator/denominator = Fin / (Fout * factor)
+ */
+
+#define to_clk_factor(hw) container_of(hw, struct mmp_clk_factor, hw)
+
+static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
+ u64 rate = 0, prev_rate;
+ int i;
+
+ for (i = 0; i < factor->ftbl_cnt; i++) {
+ prev_rate = rate;
+ rate = *prate;
+ rate *= factor->ftbl[i].den;
+ do_div(rate, factor->ftbl[i].num * factor->masks->factor);
+
+ if (rate > drate)
+ break;
+ }
+ if ((i == 0) || (i == factor->ftbl_cnt)) {
+ return rate;
+ } else {
+ if ((drate - prev_rate) > (rate - drate))
+ return rate;
+ else
+ return prev_rate;
+ }
+}
+
+static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
+ struct mmp_clk_factor_masks *masks = factor->masks;
+ unsigned int val, num, den;
+ u64 rate;
+
+ val = readl_relaxed(factor->base);
+
+ /* calculate numerator */
+ num = (val >> masks->num_shift) & masks->num_mask;
+
+ /* calculate denominator */
+ den = (val >> masks->den_shift) & masks->den_mask;
+
+ if (!den)
+ return 0;
+
+ rate = parent_rate;
+ rate *= den;
+ do_div(rate, num * factor->masks->factor);
+
+ return rate;
+}
+
+/* Configures new clock rate*/
+static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
+ struct mmp_clk_factor_masks *masks = factor->masks;
+ int i;
+ unsigned long val;
+ unsigned long flags = 0;
+ u64 rate = 0;
+
+ for (i = 0; i < factor->ftbl_cnt; i++) {
+ rate = prate;
+ rate *= factor->ftbl[i].den;
+ do_div(rate, factor->ftbl[i].num * factor->masks->factor);
+
+ if (rate > drate)
+ break;
+ }
+ if (i > 0)
+ i--;
+
+ if (factor->lock)
+ spin_lock_irqsave(factor->lock, flags);
+
+ val = readl_relaxed(factor->base);
+
+ val &= ~(masks->num_mask << masks->num_shift);
+ val |= (factor->ftbl[i].num & masks->num_mask) << masks->num_shift;
+
+ val &= ~(masks->den_mask << masks->den_shift);
+ val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift;
+
+ writel_relaxed(val, factor->base);
+
+ if (factor->lock)
+ spin_unlock_irqrestore(factor->lock, flags);
+
+ return 0;
+}
+
+static int clk_factor_init(struct clk_hw *hw)
+{
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
+ struct mmp_clk_factor_masks *masks = factor->masks;
+ u32 val, num, den;
+ int i;
+ unsigned long flags = 0;
+
+ if (factor->lock)
+ spin_lock_irqsave(factor->lock, flags);
+
+ val = readl(factor->base);
+
+ /* calculate numerator */
+ num = (val >> masks->num_shift) & masks->num_mask;
+
+ /* calculate denominator */
+ den = (val >> masks->den_shift) & masks->den_mask;
+
+ for (i = 0; i < factor->ftbl_cnt; i++)
+ if (den == factor->ftbl[i].den && num == factor->ftbl[i].num)
+ break;
+
+ if (i >= factor->ftbl_cnt) {
+ val &= ~(masks->num_mask << masks->num_shift);
+ val |= (factor->ftbl[0].num & masks->num_mask) <<
+ masks->num_shift;
+
+ val &= ~(masks->den_mask << masks->den_shift);
+ val |= (factor->ftbl[0].den & masks->den_mask) <<
+ masks->den_shift;
+ }
+
+ if (!(val & masks->enable_mask) || i >= factor->ftbl_cnt) {
+ val |= masks->enable_mask;
+ writel(val, factor->base);
+ }
+
+ if (factor->lock)
+ spin_unlock_irqrestore(factor->lock, flags);
+
+ return 0;
+}
+
+static const struct clk_ops clk_factor_ops = {
+ .recalc_rate = clk_factor_recalc_rate,
+ .round_rate = clk_factor_round_rate,
+ .set_rate = clk_factor_set_rate,
+ .init = clk_factor_init,
+};
+
+struct clk *mmp_clk_register_factor(const char *name, const char *parent_name,
+ unsigned long flags, void __iomem *base,
+ struct mmp_clk_factor_masks *masks,
+ struct mmp_clk_factor_tbl *ftbl,
+ unsigned int ftbl_cnt, spinlock_t *lock)
+{
+ struct mmp_clk_factor *factor;
+ struct clk_init_data init;
+ struct clk *clk;
+
+ if (!masks) {
+ pr_err("%s: must pass a clk_factor_mask\n", __func__);
+ return ERR_PTR(-EINVAL);
+ }
+
+ factor = kzalloc(sizeof(*factor), GFP_KERNEL);
+ if (!factor)
+ return ERR_PTR(-ENOMEM);
+
+ /* struct clk_aux assignments */
+ factor->base = base;
+ factor->masks = masks;
+ factor->ftbl = ftbl;
+ factor->ftbl_cnt = ftbl_cnt;
+ factor->hw.init = &init;
+ factor->lock = lock;
+
+ init.name = name;
+ init.ops = &clk_factor_ops;
+ init.flags = flags;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ clk = clk_register(NULL, &factor->hw);
+ if (IS_ERR_OR_NULL(clk))
+ kfree(factor);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-gate.c b/drivers/clk/mmp/clk-gate.c
new file mode 100644
index 000000000..1755916dd
--- /dev/null
+++ b/drivers/clk/mmp/clk-gate.c
@@ -0,0 +1,130 @@
+/*
+ * mmp gate clock operation source file
+ *
+ * Copyright (C) 2014 Marvell
+ * Chao Xie <chao.xie@marvell.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+
+#include "clk.h"
+
+/*
+ * Some clocks will have mutiple bits to enable the clocks, and
+ * the bits to disable the clock is not same as enabling bits.
+ */
+
+#define to_clk_mmp_gate(hw) container_of(hw, struct mmp_clk_gate, hw)
+
+static int mmp_clk_gate_enable(struct clk_hw *hw)
+{
+ struct mmp_clk_gate *gate = to_clk_mmp_gate(hw);
+ unsigned long flags = 0;
+ unsigned long rate;
+ u32 tmp;
+
+ if (gate->lock)
+ spin_lock_irqsave(gate->lock, flags);
+
+ tmp = readl(gate->reg);
+ tmp &= ~gate->mask;
+ tmp |= gate->val_enable;
+ writel(tmp, gate->reg);
+
+ if (gate->lock)
+ spin_unlock_irqrestore(gate->lock, flags);
+
+ if (gate->flags & MMP_CLK_GATE_NEED_DELAY) {
+ rate = clk_hw_get_rate(hw);
+ /* Need delay 2 cycles. */
+ udelay(2000000/rate);
+ }
+
+ return 0;
+}
+
+static void mmp_clk_gate_disable(struct clk_hw *hw)
+{
+ struct mmp_clk_gate *gate = to_clk_mmp_gate(hw);
+ unsigned long flags = 0;
+ u32 tmp;
+
+ if (gate->lock)
+ spin_lock_irqsave(gate->lock, flags);
+
+ tmp = readl(gate->reg);
+ tmp &= ~gate->mask;
+ tmp |= gate->val_disable;
+ writel(tmp, gate->reg);
+
+ if (gate->lock)
+ spin_unlock_irqrestore(gate->lock, flags);
+}
+
+static int mmp_clk_gate_is_enabled(struct clk_hw *hw)
+{
+ struct mmp_clk_gate *gate = to_clk_mmp_gate(hw);
+ unsigned long flags = 0;
+ u32 tmp;
+
+ if (gate->lock)
+ spin_lock_irqsave(gate->lock, flags);
+
+ tmp = readl(gate->reg);
+
+ if (gate->lock)
+ spin_unlock_irqrestore(gate->lock, flags);
+
+ return (tmp & gate->mask) == gate->val_enable;
+}
+
+const struct clk_ops mmp_clk_gate_ops = {
+ .enable = mmp_clk_gate_enable,
+ .disable = mmp_clk_gate_disable,
+ .is_enabled = mmp_clk_gate_is_enabled,
+};
+
+struct clk *mmp_clk_register_gate(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u32 mask, u32 val_enable, u32 val_disable,
+ unsigned int gate_flags, spinlock_t *lock)
+{
+ struct mmp_clk_gate *gate;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ /* allocate the gate */
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &mmp_clk_gate_ops;
+ init.flags = flags;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ /* struct clk_gate assignments */
+ gate->reg = reg;
+ gate->mask = mask;
+ gate->val_enable = val_enable;
+ gate->val_disable = val_disable;
+ gate->flags = gate_flags;
+ gate->lock = lock;
+ gate->hw.init = &init;
+
+ clk = clk_register(dev, &gate->hw);
+
+ if (IS_ERR(clk))
+ kfree(gate);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c
new file mode 100644
index 000000000..7a351ec65
--- /dev/null
+++ b/drivers/clk/mmp/clk-mix.c
@@ -0,0 +1,509 @@
+/*
+ * mmp mix(div and mux) clock operation source file
+ *
+ * Copyright (C) 2014 Marvell
+ * Chao Xie <chao.xie@marvell.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+
+#include "clk.h"
+
+/*
+ * The mix clock is a clock combined mux and div type clock.
+ * Because the div field and mux field need to be set at same
+ * time, we can not divide it into 2 types of clock
+ */
+
+#define to_clk_mix(hw) container_of(hw, struct mmp_clk_mix, hw)
+
+static unsigned int _get_maxdiv(struct mmp_clk_mix *mix)
+{
+ unsigned int div_mask = (1 << mix->reg_info.width_div) - 1;
+ unsigned int maxdiv = 0;
+ struct clk_div_table *clkt;
+
+ if (mix->div_flags & CLK_DIVIDER_ONE_BASED)
+ return div_mask;
+ if (mix->div_flags & CLK_DIVIDER_POWER_OF_TWO)
+ return 1 << div_mask;
+ if (mix->div_table) {
+ for (clkt = mix->div_table; clkt->div; clkt++)
+ if (clkt->div > maxdiv)
+ maxdiv = clkt->div;
+ return maxdiv;
+ }
+ return div_mask + 1;
+}
+
+static unsigned int _get_div(struct mmp_clk_mix *mix, unsigned int val)
+{
+ struct clk_div_table *clkt;
+
+ if (mix->div_flags & CLK_DIVIDER_ONE_BASED)
+ return val;
+ if (mix->div_flags & CLK_DIVIDER_POWER_OF_TWO)
+ return 1 << val;
+ if (mix->div_table) {
+ for (clkt = mix->div_table; clkt->div; clkt++)
+ if (clkt->val == val)
+ return clkt->div;
+ if (clkt->div == 0)
+ return 0;
+ }
+ return val + 1;
+}
+
+static unsigned int _get_mux(struct mmp_clk_mix *mix, unsigned int val)
+{
+ int num_parents = clk_hw_get_num_parents(&mix->hw);
+ int i;
+
+ if (mix->mux_flags & CLK_MUX_INDEX_BIT)
+ return ffs(val) - 1;
+ if (mix->mux_flags & CLK_MUX_INDEX_ONE)
+ return val - 1;
+ if (mix->mux_table) {
+ for (i = 0; i < num_parents; i++)
+ if (mix->mux_table[i] == val)
+ return i;
+ if (i == num_parents)
+ return 0;
+ }
+
+ return val;
+}
+static unsigned int _get_div_val(struct mmp_clk_mix *mix, unsigned int div)
+{
+ struct clk_div_table *clkt;
+
+ if (mix->div_flags & CLK_DIVIDER_ONE_BASED)
+ return div;
+ if (mix->div_flags & CLK_DIVIDER_POWER_OF_TWO)
+ return __ffs(div);
+ if (mix->div_table) {
+ for (clkt = mix->div_table; clkt->div; clkt++)
+ if (clkt->div == div)
+ return clkt->val;
+ if (clkt->div == 0)
+ return 0;
+ }
+
+ return div - 1;
+}
+
+static unsigned int _get_mux_val(struct mmp_clk_mix *mix, unsigned int mux)
+{
+ if (mix->mux_table)
+ return mix->mux_table[mux];
+
+ return mux;
+}
+
+static void _filter_clk_table(struct mmp_clk_mix *mix,
+ struct mmp_clk_mix_clk_table *table,
+ unsigned int table_size)
+{
+ int i;
+ struct mmp_clk_mix_clk_table *item;
+ struct clk_hw *parent, *hw;
+ unsigned long parent_rate;
+
+ hw = &mix->hw;
+
+ for (i = 0; i < table_size; i++) {
+ item = &table[i];
+ parent = clk_hw_get_parent_by_index(hw, item->parent_index);
+ parent_rate = clk_hw_get_rate(parent);
+ if (parent_rate % item->rate) {
+ item->valid = 0;
+ } else {
+ item->divisor = parent_rate / item->rate;
+ item->valid = 1;
+ }
+ }
+}
+
+static int _set_rate(struct mmp_clk_mix *mix, u32 mux_val, u32 div_val,
+ unsigned int change_mux, unsigned int change_div)
+{
+ struct mmp_clk_mix_reg_info *ri = &mix->reg_info;
+ u8 width, shift;
+ u32 mux_div, fc_req;
+ int ret, timeout = 50;
+ unsigned long flags = 0;
+
+ if (!change_mux && !change_div)
+ return -EINVAL;
+
+ if (mix->lock)
+ spin_lock_irqsave(mix->lock, flags);
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1
+ || mix->type == MMP_CLK_MIX_TYPE_V2)
+ mux_div = readl(ri->reg_clk_ctrl);
+ else
+ mux_div = readl(ri->reg_clk_sel);
+
+ if (change_div) {
+ width = ri->width_div;
+ shift = ri->shift_div;
+ mux_div &= ~MMP_CLK_BITS_MASK(width, shift);
+ mux_div |= MMP_CLK_BITS_SET_VAL(div_val, width, shift);
+ }
+
+ if (change_mux) {
+ width = ri->width_mux;
+ shift = ri->shift_mux;
+ mux_div &= ~MMP_CLK_BITS_MASK(width, shift);
+ mux_div |= MMP_CLK_BITS_SET_VAL(mux_val, width, shift);
+ }
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1) {
+ writel(mux_div, ri->reg_clk_ctrl);
+ } else if (mix->type == MMP_CLK_MIX_TYPE_V2) {
+ mux_div |= (1 << ri->bit_fc);
+ writel(mux_div, ri->reg_clk_ctrl);
+
+ do {
+ fc_req = readl(ri->reg_clk_ctrl);
+ timeout--;
+ if (!(fc_req & (1 << ri->bit_fc)))
+ break;
+ } while (timeout);
+
+ if (timeout == 0) {
+ pr_err("%s:%s cannot do frequency change\n",
+ __func__, clk_hw_get_name(&mix->hw));
+ ret = -EBUSY;
+ goto error;
+ }
+ } else {
+ fc_req = readl(ri->reg_clk_ctrl);
+ fc_req |= 1 << ri->bit_fc;
+ writel(fc_req, ri->reg_clk_ctrl);
+ writel(mux_div, ri->reg_clk_sel);
+ fc_req &= ~(1 << ri->bit_fc);
+ }
+
+ ret = 0;
+error:
+ if (mix->lock)
+ spin_unlock_irqrestore(mix->lock, flags);
+
+ return ret;
+}
+
+static int mmp_clk_mix_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_clk_table *item;
+ struct clk_hw *parent, *parent_best;
+ unsigned long parent_rate, mix_rate, mix_rate_best, parent_rate_best;
+ unsigned long gap, gap_best;
+ u32 div_val_max;
+ unsigned int div;
+ int i, j;
+
+
+ mix_rate_best = 0;
+ parent_rate_best = 0;
+ gap_best = ULONG_MAX;
+ parent_best = NULL;
+
+ if (mix->table) {
+ for (i = 0; i < mix->table_size; i++) {
+ item = &mix->table[i];
+ if (item->valid == 0)
+ continue;
+ parent = clk_hw_get_parent_by_index(hw,
+ item->parent_index);
+ parent_rate = clk_hw_get_rate(parent);
+ mix_rate = parent_rate / item->divisor;
+ gap = abs(mix_rate - req->rate);
+ if (!parent_best || gap < gap_best) {
+ parent_best = parent;
+ parent_rate_best = parent_rate;
+ mix_rate_best = mix_rate;
+ gap_best = gap;
+ if (gap_best == 0)
+ goto found;
+ }
+ }
+ } else {
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
+ parent = clk_hw_get_parent_by_index(hw, i);
+ parent_rate = clk_hw_get_rate(parent);
+ div_val_max = _get_maxdiv(mix);
+ for (j = 0; j < div_val_max; j++) {
+ div = _get_div(mix, j);
+ mix_rate = parent_rate / div;
+ gap = abs(mix_rate - req->rate);
+ if (!parent_best || gap < gap_best) {
+ parent_best = parent;
+ parent_rate_best = parent_rate;
+ mix_rate_best = mix_rate;
+ gap_best = gap;
+ if (gap_best == 0)
+ goto found;
+ }
+ }
+ }
+ }
+
+found:
+ if (!parent_best)
+ return -EINVAL;
+
+ req->best_parent_rate = parent_rate_best;
+ req->best_parent_hw = parent_best;
+ req->rate = mix_rate_best;
+
+ return 0;
+}
+
+static int mmp_clk_mix_set_rate_and_parent(struct clk_hw *hw,
+ unsigned long rate,
+ unsigned long parent_rate,
+ u8 index)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ unsigned int div;
+ u32 div_val, mux_val;
+
+ div = parent_rate / rate;
+ div_val = _get_div_val(mix, div);
+ mux_val = _get_mux_val(mix, index);
+
+ return _set_rate(mix, mux_val, div_val, 1, 1);
+}
+
+static u8 mmp_clk_mix_get_parent(struct clk_hw *hw)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_reg_info *ri = &mix->reg_info;
+ unsigned long flags = 0;
+ u32 mux_div = 0;
+ u8 width, shift;
+ u32 mux_val;
+
+ if (mix->lock)
+ spin_lock_irqsave(mix->lock, flags);
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1
+ || mix->type == MMP_CLK_MIX_TYPE_V2)
+ mux_div = readl(ri->reg_clk_ctrl);
+ else
+ mux_div = readl(ri->reg_clk_sel);
+
+ if (mix->lock)
+ spin_unlock_irqrestore(mix->lock, flags);
+
+ width = mix->reg_info.width_mux;
+ shift = mix->reg_info.shift_mux;
+
+ mux_val = MMP_CLK_BITS_GET_VAL(mux_div, width, shift);
+
+ return _get_mux(mix, mux_val);
+}
+
+static unsigned long mmp_clk_mix_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_reg_info *ri = &mix->reg_info;
+ unsigned long flags = 0;
+ u32 mux_div = 0;
+ u8 width, shift;
+ unsigned int div;
+
+ if (mix->lock)
+ spin_lock_irqsave(mix->lock, flags);
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1
+ || mix->type == MMP_CLK_MIX_TYPE_V2)
+ mux_div = readl(ri->reg_clk_ctrl);
+ else
+ mux_div = readl(ri->reg_clk_sel);
+
+ if (mix->lock)
+ spin_unlock_irqrestore(mix->lock, flags);
+
+ width = mix->reg_info.width_div;
+ shift = mix->reg_info.shift_div;
+
+ div = _get_div(mix, MMP_CLK_BITS_GET_VAL(mux_div, width, shift));
+
+ return parent_rate / div;
+}
+
+static int mmp_clk_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_clk_table *item;
+ int i;
+ u32 div_val, mux_val;
+
+ if (mix->table) {
+ for (i = 0; i < mix->table_size; i++) {
+ item = &mix->table[i];
+ if (item->valid == 0)
+ continue;
+ if (item->parent_index == index)
+ break;
+ }
+ if (i < mix->table_size) {
+ div_val = _get_div_val(mix, item->divisor);
+ mux_val = _get_mux_val(mix, item->parent_index);
+ } else
+ return -EINVAL;
+ } else {
+ mux_val = _get_mux_val(mix, index);
+ div_val = 0;
+ }
+
+ return _set_rate(mix, mux_val, div_val, 1, div_val ? 1 : 0);
+}
+
+static int mmp_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long best_parent_rate)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_clk_table *item;
+ unsigned long parent_rate;
+ unsigned int best_divisor;
+ struct clk_hw *parent;
+ int i;
+
+ best_divisor = best_parent_rate / rate;
+
+ if (mix->table) {
+ for (i = 0; i < mix->table_size; i++) {
+ item = &mix->table[i];
+ if (item->valid == 0)
+ continue;
+ parent = clk_hw_get_parent_by_index(hw,
+ item->parent_index);
+ parent_rate = clk_hw_get_rate(parent);
+ if (parent_rate == best_parent_rate
+ && item->divisor == best_divisor)
+ break;
+ }
+ if (i < mix->table_size)
+ return _set_rate(mix,
+ _get_mux_val(mix, item->parent_index),
+ _get_div_val(mix, item->divisor),
+ 1, 1);
+ else
+ return -EINVAL;
+ } else {
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
+ parent = clk_hw_get_parent_by_index(hw, i);
+ parent_rate = clk_hw_get_rate(parent);
+ if (parent_rate == best_parent_rate)
+ break;
+ }
+ if (i < clk_hw_get_num_parents(hw))
+ return _set_rate(mix, _get_mux_val(mix, i),
+ _get_div_val(mix, best_divisor), 1, 1);
+ else
+ return -EINVAL;
+ }
+}
+
+static int mmp_clk_mix_init(struct clk_hw *hw)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+
+ if (mix->table)
+ _filter_clk_table(mix, mix->table, mix->table_size);
+
+ return 0;
+}
+
+const struct clk_ops mmp_clk_mix_ops = {
+ .determine_rate = mmp_clk_mix_determine_rate,
+ .set_rate_and_parent = mmp_clk_mix_set_rate_and_parent,
+ .set_rate = mmp_clk_set_rate,
+ .set_parent = mmp_clk_set_parent,
+ .get_parent = mmp_clk_mix_get_parent,
+ .recalc_rate = mmp_clk_mix_recalc_rate,
+ .init = mmp_clk_mix_init,
+};
+
+struct clk *mmp_clk_register_mix(struct device *dev,
+ const char *name,
+ const char * const *parent_names,
+ u8 num_parents,
+ unsigned long flags,
+ struct mmp_clk_mix_config *config,
+ spinlock_t *lock)
+{
+ struct mmp_clk_mix *mix;
+ struct clk *clk;
+ struct clk_init_data init;
+ size_t table_bytes;
+
+ mix = kzalloc(sizeof(*mix), GFP_KERNEL);
+ if (!mix)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.flags = flags | CLK_GET_RATE_NOCACHE;
+ init.parent_names = parent_names;
+ init.num_parents = num_parents;
+ init.ops = &mmp_clk_mix_ops;
+
+ memcpy(&mix->reg_info, &config->reg_info, sizeof(config->reg_info));
+ if (config->table) {
+ table_bytes = sizeof(*config->table) * config->table_size;
+ mix->table = kmemdup(config->table, table_bytes, GFP_KERNEL);
+ if (!mix->table)
+ goto free_mix;
+
+ mix->table_size = config->table_size;
+ }
+
+ if (config->mux_table) {
+ table_bytes = sizeof(u32) * num_parents;
+ mix->mux_table = kmemdup(config->mux_table, table_bytes,
+ GFP_KERNEL);
+ if (!mix->mux_table) {
+ kfree(mix->table);
+ goto free_mix;
+ }
+ }
+
+ mix->div_flags = config->div_flags;
+ mix->mux_flags = config->mux_flags;
+ mix->lock = lock;
+ mix->hw.init = &init;
+
+ if (config->reg_info.bit_fc >= 32)
+ mix->type = MMP_CLK_MIX_TYPE_V1;
+ else if (config->reg_info.reg_clk_sel)
+ mix->type = MMP_CLK_MIX_TYPE_V3;
+ else
+ mix->type = MMP_CLK_MIX_TYPE_V2;
+ clk = clk_register(dev, &mix->hw);
+
+ if (IS_ERR(clk)) {
+ kfree(mix->mux_table);
+ kfree(mix->table);
+ kfree(mix);
+ }
+
+ return clk;
+
+free_mix:
+ kfree(mix);
+ return ERR_PTR(-ENOMEM);
+}
diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c
new file mode 100644
index 000000000..746003171
--- /dev/null
+++ b/drivers/clk/mmp/clk-mmp2.c
@@ -0,0 +1,457 @@
+/*
+ * mmp2 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk/mmp.h>
+
+#include "clk.h"
+
+#define APBC_RTC 0x0
+#define APBC_TWSI0 0x4
+#define APBC_TWSI1 0x8
+#define APBC_TWSI2 0xc
+#define APBC_TWSI3 0x10
+#define APBC_TWSI4 0x7c
+#define APBC_TWSI5 0x80
+#define APBC_KPC 0x18
+#define APBC_UART0 0x2c
+#define APBC_UART1 0x30
+#define APBC_UART2 0x34
+#define APBC_UART3 0x88
+#define APBC_GPIO 0x38
+#define APBC_PWM0 0x3c
+#define APBC_PWM1 0x40
+#define APBC_PWM2 0x44
+#define APBC_PWM3 0x48
+#define APBC_SSP0 0x50
+#define APBC_SSP1 0x54
+#define APBC_SSP2 0x58
+#define APBC_SSP3 0x5c
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_SDH2 0xe8
+#define APMU_SDH3 0xec
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_DISP1 0x110
+#define APMU_CCIC0 0x50
+#define APMU_CCIC1 0xf4
+#define MPMU_UART_PLL 0x14
+
+static DEFINE_SPINLOCK(clk_lock);
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+ {.num = 3521, .den = 689}, /*19.23MHZ */
+};
+
+static const char *uart_parent[] = {"uart_pll", "vctcxo"};
+static const char *ssp_parent[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};
+static const char *sdh_parent[] = {"pll1_4", "pll2", "usb_pll", "pll1"};
+static const char *disp_parent[] = {"pll1", "pll1_16", "pll2", "vctcxo"};
+static const char *ccic_parent[] = {"pll1_2", "pll1_16", "vctcxo"};
+
+void __init mmp2_clk_init(phys_addr_t mpmu_phys, phys_addr_t apmu_phys,
+ phys_addr_t apbc_phys)
+{
+ struct clk *clk;
+ struct clk *vctcxo;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+
+ mpmu_base = ioremap(mpmu_phys, SZ_4K);
+ if (!mpmu_base) {
+ pr_err("error to ioremap MPMU base\n");
+ return;
+ }
+
+ apmu_base = ioremap(apmu_phys, SZ_4K);
+ if (!apmu_base) {
+ pr_err("error to ioremap APMU base\n");
+ return;
+ }
+
+ apbc_base = ioremap(apbc_phys, SZ_4K);
+ if (!apbc_base) {
+ pr_err("error to ioremap APBC base\n");
+ return;
+ }
+
+ clk = clk_register_fixed_rate(NULL, "clk32", NULL, 0, 3200);
+ clk_register_clkdev(clk, "clk32", NULL);
+
+ vctcxo = clk_register_fixed_rate(NULL, "vctcxo", NULL, 0, 26000000);
+ clk_register_clkdev(vctcxo, "vctcxo", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll1", NULL, 0, 800000000);
+ clk_register_clkdev(clk, "pll1", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "usb_pll", NULL, 0, 480000000);
+ clk_register_clkdev(clk, "usb_pll", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll2", NULL, 0, 960000000);
+ clk_register_clkdev(clk, "pll2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_20", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 5);
+ clk_register_clkdev(clk, "pll1_20", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_3", "pll1",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll1_3", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_3",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_2", "pll2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_4", "pll2_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_8", "pll2_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_16", "pll2_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_3", "pll2",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll2_3", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_6", "pll2_3",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_12", "pll2_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vctcxo_2", "vctcxo",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "vctcxo_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vctcxo_4", "vctcxo_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "vctcxo_4", NULL);
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
+ mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), &clk_lock);
+ clk_set_rate(clk, 14745600);
+ clk_register_clkdev(clk, "uart_pll", NULL);
+
+ clk = mmp_clk_register_apbc("twsi0", "vctcxo",
+ apbc_base + APBC_TWSI0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0");
+
+ clk = mmp_clk_register_apbc("twsi1", "vctcxo",
+ apbc_base + APBC_TWSI1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1");
+
+ clk = mmp_clk_register_apbc("twsi2", "vctcxo",
+ apbc_base + APBC_TWSI2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.2");
+
+ clk = mmp_clk_register_apbc("twsi3", "vctcxo",
+ apbc_base + APBC_TWSI3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.3");
+
+ clk = mmp_clk_register_apbc("twsi4", "vctcxo",
+ apbc_base + APBC_TWSI4, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.4");
+
+ clk = mmp_clk_register_apbc("twsi5", "vctcxo",
+ apbc_base + APBC_TWSI5, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.5");
+
+ clk = mmp_clk_register_apbc("gpio", "vctcxo",
+ apbc_base + APBC_GPIO, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-gpio");
+
+ clk = mmp_clk_register_apbc("kpc", "clk32",
+ apbc_base + APBC_KPC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa27x-keypad");
+
+ clk = mmp_clk_register_apbc("rtc", "clk32",
+ apbc_base + APBC_RTC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-rtc");
+
+ clk = mmp_clk_register_apbc("pwm0", "vctcxo",
+ apbc_base + APBC_PWM0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.0");
+
+ clk = mmp_clk_register_apbc("pwm1", "vctcxo",
+ apbc_base + APBC_PWM1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.1");
+
+ clk = mmp_clk_register_apbc("pwm2", "vctcxo",
+ apbc_base + APBC_PWM2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.2");
+
+ clk = mmp_clk_register_apbc("pwm3", "vctcxo",
+ apbc_base + APBC_PWM3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.3");
+
+ clk = clk_register_mux(NULL, "uart0_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART0, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("uart0", "uart0_mux",
+ apbc_base + APBC_UART0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.0");
+
+ clk = clk_register_mux(NULL, "uart1_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART1, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("uart1", "uart1_mux",
+ apbc_base + APBC_UART1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.1");
+
+ clk = clk_register_mux(NULL, "uart2_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART2, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("uart2", "uart2_mux",
+ apbc_base + APBC_UART2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.2");
+
+ clk = clk_register_mux(NULL, "uart3_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART3, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.3", NULL);
+
+ clk = mmp_clk_register_apbc("uart3", "uart3_mux",
+ apbc_base + APBC_UART3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.3");
+
+ clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("ssp0", "ssp0_mux",
+ apbc_base + APBC_SSP0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.0");
+
+ clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("ssp1", "ssp1_mux",
+ apbc_base + APBC_SSP1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.1");
+
+ clk = clk_register_mux(NULL, "ssp2_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP2, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("ssp2", "ssp2_mux",
+ apbc_base + APBC_SSP2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.2");
+
+ clk = clk_register_mux(NULL, "ssp3_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP3, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.3", NULL);
+
+ clk = mmp_clk_register_apbc("ssp3", "ssp3_mux",
+ apbc_base + APBC_SSP3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.3");
+
+ clk = clk_register_mux(NULL, "sdh_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_SDH0, 8, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh_mux", NULL);
+
+ clk = clk_register_divider(NULL, "sdh_div", "sdh_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_SDH0,
+ 10, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "sdh_div", NULL);
+
+ clk = mmp_clk_register_apmu("sdh0", "sdh_div", apmu_base + APMU_SDH0,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.0");
+
+ clk = mmp_clk_register_apmu("sdh1", "sdh_div", apmu_base + APMU_SDH1,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.1");
+
+ clk = mmp_clk_register_apmu("sdh2", "sdh_div", apmu_base + APMU_SDH2,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.2");
+
+ clk = mmp_clk_register_apmu("sdh3", "sdh_div", apmu_base + APMU_SDH3,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.3");
+
+ clk = mmp_clk_register_apmu("usb", "usb_pll", apmu_base + APMU_USB,
+ 0x9, &clk_lock);
+ clk_register_clkdev(clk, "usb_clk", NULL);
+
+ clk = clk_register_mux(NULL, "disp0_mux", disp_parent,
+ ARRAY_SIZE(disp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_DISP0, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.0", NULL);
+
+ clk = clk_register_divider(NULL, "disp0_div", "disp0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_DISP0,
+ 8, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "disp_div.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0", "disp0_div",
+ apmu_base + APMU_DISP0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-disp.0");
+
+ clk = clk_register_divider(NULL, "disp0_sphy_div", "disp0_mux", 0,
+ apmu_base + APMU_DISP0, 15, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_sphy_div.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0_sphy", "disp0_sphy_div",
+ apmu_base + APMU_DISP0, 0x1024, &clk_lock);
+ clk_register_clkdev(clk, "disp_sphy.0", NULL);
+
+ clk = clk_register_mux(NULL, "disp1_mux", disp_parent,
+ ARRAY_SIZE(disp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_DISP1, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.1", NULL);
+
+ clk = clk_register_divider(NULL, "disp1_div", "disp1_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_DISP1,
+ 8, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "disp_div.1", NULL);
+
+ clk = mmp_clk_register_apmu("disp1", "disp1_div",
+ apmu_base + APMU_DISP1, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-disp.1");
+
+ clk = mmp_clk_register_apmu("ccic_arbiter", "vctcxo",
+ apmu_base + APMU_CCIC0, 0x1800, &clk_lock);
+ clk_register_clkdev(clk, "ccic_arbiter", NULL);
+
+ clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_CCIC0, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.0", NULL);
+
+ clk = clk_register_divider(NULL, "ccic0_div", "ccic0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 17, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "ccic_div.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0", "ccic0_div",
+ apmu_base + APMU_CCIC0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.0");
+
+ clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_div",
+ apmu_base + APMU_CCIC0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.0");
+
+ clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_div",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", "mmp-ccic.0");
+
+ clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div",
+ apmu_base + APMU_CCIC0, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0");
+
+ clk = clk_register_mux(NULL, "ccic1_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_CCIC1, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.1", NULL);
+
+ clk = clk_register_divider(NULL, "ccic1_div", "ccic1_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC1,
+ 16, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "ccic_div.1", NULL);
+
+ clk = mmp_clk_register_apmu("ccic1", "ccic1_div",
+ apmu_base + APMU_CCIC1, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.1");
+
+ clk = mmp_clk_register_apmu("ccic1_phy", "ccic1_div",
+ apmu_base + APMU_CCIC1, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.1");
+
+ clk = clk_register_divider(NULL, "ccic1_sphy_div", "ccic1_div",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC1,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", "mmp-ccic.1");
+
+ clk = mmp_clk_register_apmu("ccic1_sphy", "ccic1_sphy_div",
+ apmu_base + APMU_CCIC1, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.1");
+}
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
new file mode 100644
index 000000000..0839fb204
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -0,0 +1,570 @@
+/*
+ * mmp2 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of_address.h>
+#include <linux/clk.h>
+
+#include <dt-bindings/clock/marvell,mmp2.h>
+#include <dt-bindings/power/marvell,mmp2.h>
+
+#include "clk.h"
+#include "reset.h"
+
+#define APBC_RTC 0x0
+#define APBC_TWSI0 0x4
+#define APBC_TWSI1 0x8
+#define APBC_TWSI2 0xc
+#define APBC_TWSI3 0x10
+#define APBC_TWSI4 0x7c
+#define APBC_TWSI5 0x80
+#define APBC_KPC 0x18
+#define APBC_TIMER 0x24
+#define APBC_UART0 0x2c
+#define APBC_UART1 0x30
+#define APBC_UART2 0x34
+#define APBC_UART3 0x88
+#define APBC_GPIO 0x38
+#define APBC_PWM0 0x3c
+#define APBC_PWM1 0x40
+#define APBC_PWM2 0x44
+#define APBC_PWM3 0x48
+#define APBC_SSP0 0x50
+#define APBC_SSP1 0x54
+#define APBC_SSP2 0x58
+#define APBC_SSP3 0x5c
+#define APBC_THERMAL0 0x90
+#define APBC_THERMAL1 0x98
+#define APBC_THERMAL2 0x9c
+#define APBC_THERMAL3 0xa0
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_SDH2 0xe8
+#define APMU_SDH3 0xec
+#define APMU_SDH4 0x15c
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_DISP1 0x110
+#define APMU_CCIC0 0x50
+#define APMU_CCIC1 0xf4
+#define APMU_USBHSIC0 0xf8
+#define APMU_USBHSIC1 0xfc
+#define APMU_GPU 0xcc
+#define APMU_AUDIO 0x10c
+#define APMU_CAMERA 0x1fc
+
+#define MPMU_FCCR 0x8
+#define MPMU_POSR 0x10
+#define MPMU_UART_PLL 0x14
+#define MPMU_PLL2_CR 0x34
+#define MPMU_I2S0_PLL 0x40
+#define MPMU_I2S1_PLL 0x44
+#define MPMU_ACGR 0x1024
+/* MMP3 specific below */
+#define MPMU_PLL3_CR 0x50
+#define MPMU_PLL3_CTRL1 0x58
+#define MPMU_PLL1_CTRL 0x5c
+#define MPMU_PLL_DIFF_CTRL 0x68
+#define MPMU_PLL2_CTRL1 0x414
+
+enum mmp2_clk_model {
+ CLK_MODEL_MMP2,
+ CLK_MODEL_MMP3,
+};
+
+struct mmp2_clk_unit {
+ struct mmp_clk_unit unit;
+ enum mmp2_clk_model model;
+ struct genpd_onecell_data pd_data;
+ struct generic_pm_domain *pm_domains[MMP2_NR_POWER_DOMAINS];
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {MMP2_CLK_CLK32, "clk32", NULL, 0, 32768},
+ {MMP2_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000},
+ {MMP2_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000},
+ {0, "i2s_pll", NULL, 0, 99666667},
+};
+
+static struct mmp_param_pll_clk pll_clks[] = {
+ {MMP2_CLK_PLL1, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0},
+ {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10},
+};
+
+static struct mmp_param_pll_clk mmp3_pll_clks[] = {
+ {MMP2_CLK_PLL2, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0, 26000000, MPMU_PLL1_CTRL, 25},
+ {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL2_CTRL1, 25},
+ {MMP3_CLK_PLL1_P, "pll1_p", 0, MPMU_PLL_DIFF_CTRL, 0x0010, 0, 0, 797330000, MPMU_PLL_DIFF_CTRL, 0},
+ {MMP3_CLK_PLL2_P, "pll2_p", 0, MPMU_PLL_DIFF_CTRL, 0x0100, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL_DIFF_CTRL, 5},
+ {MMP3_CLK_PLL3, "pll3", 0, MPMU_PLL3_CR, 0x0300, MPMU_PLL3_CR, 10, 26000000, MPMU_PLL3_CTRL1, 25},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
+ {MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
+ {MMP2_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
+ {MMP2_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
+ {MMP2_CLK_PLL1_20, "pll1_20", "pll1_4", 1, 5, 0},
+ {MMP2_CLK_PLL1_3, "pll1_3", "pll1", 1, 3, 0},
+ {MMP2_CLK_PLL1_6, "pll1_6", "pll1_3", 1, 2, 0},
+ {MMP2_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
+ {MMP2_CLK_PLL2_2, "pll2_2", "pll2", 1, 2, 0},
+ {MMP2_CLK_PLL2_4, "pll2_4", "pll2_2", 1, 2, 0},
+ {MMP2_CLK_PLL2_8, "pll2_8", "pll2_4", 1, 2, 0},
+ {MMP2_CLK_PLL2_16, "pll2_16", "pll2_8", 1, 2, 0},
+ {MMP2_CLK_PLL2_3, "pll2_3", "pll2", 1, 3, 0},
+ {MMP2_CLK_PLL2_6, "pll2_6", "pll2_3", 1, 2, 0},
+ {MMP2_CLK_PLL2_12, "pll2_12", "pll2_6", 1, 2, 0},
+ {MMP2_CLK_VCTCXO_2, "vctcxo_2", "vctcxo", 1, 2, 0},
+ {MMP2_CLK_VCTCXO_4, "vctcxo_4", "vctcxo_2", 1, 2, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+ {.num = 3521, .den = 689}, /*19.23MHZ */
+};
+
+static struct mmp_clk_factor_masks i2s_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x7fff,
+ .den_mask = 0x1fff,
+ .num_shift = 0,
+ .den_shift = 15,
+ .enable_mask = 0xd0000000,
+};
+
+static struct mmp_clk_factor_tbl i2s_factor_tbl[] = {
+ {.num = 24868, .den = 511}, /* 2.0480 MHz */
+ {.num = 28003, .den = 793}, /* 2.8224 MHz */
+ {.num = 24941, .den = 1025}, /* 4.0960 MHz */
+ {.num = 28003, .den = 1586}, /* 5.6448 MHz */
+ {.num = 31158, .den = 2561}, /* 8.1920 MHz */
+ {.num = 16288, .den = 1845}, /* 11.2896 MHz */
+ {.num = 20772, .den = 2561}, /* 12.2880 MHz */
+ {.num = 8144, .den = 1845}, /* 22.5792 MHz */
+ {.num = 10386, .den = 2561}, /* 24.5760 MHz */
+};
+
+static DEFINE_SPINLOCK(acgr_lock);
+
+static struct mmp_param_gate_clk mpmu_gate_clks[] = {
+ {MMP2_CLK_I2S0, "i2s0_clk", "i2s0_pll", CLK_SET_RATE_PARENT, MPMU_ACGR, 0x200000, 0x200000, 0x0, 0, &acgr_lock},
+ {MMP2_CLK_I2S1, "i2s1_clk", "i2s1_pll", CLK_SET_RATE_PARENT, MPMU_ACGR, 0x100000, 0x100000, 0x0, 0, &acgr_lock},
+};
+
+static void mmp2_main_clk_init(struct mmp2_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ mmp_register_pll_clks(unit, mmp3_pll_clks,
+ pxa_unit->mpmu_base,
+ ARRAY_SIZE(mmp3_pll_clks));
+ } else {
+ mmp_register_pll_clks(unit, pll_clks,
+ pxa_unit->mpmu_base,
+ ARRAY_SIZE(pll_clks));
+ }
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+ mmp_clk_add(unit, MMP2_CLK_UART_PLL, clk);
+
+ mmp_clk_register_factor("i2s0_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_I2S0_PLL,
+ &i2s_factor_masks, i2s_factor_tbl,
+ ARRAY_SIZE(i2s_factor_tbl), NULL);
+ mmp_clk_register_factor("i2s1_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_I2S1_PLL,
+ &i2s_factor_masks, i2s_factor_tbl,
+ ARRAY_SIZE(i2s_factor_tbl), NULL);
+
+ mmp_register_gate_clks(unit, mpmu_gate_clks, pxa_unit->mpmu_base,
+ ARRAY_SIZE(mpmu_gate_clks));
+}
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+static const char * const uart_parent_names[] = {"uart_pll", "vctcxo"};
+
+static DEFINE_SPINLOCK(ssp0_lock);
+static DEFINE_SPINLOCK(ssp1_lock);
+static DEFINE_SPINLOCK(ssp2_lock);
+static DEFINE_SPINLOCK(ssp3_lock);
+static const char * const ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};
+
+static DEFINE_SPINLOCK(timer_lock);
+static const char * const timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"};
+
+static DEFINE_SPINLOCK(reset_lock);
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART2, 4, 3, 0, &uart2_lock},
+ {0, "uart3_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART3, 4, 3, 0, &uart2_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
+ {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
+ {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP2, 4, 3, 0, &ssp2_lock},
+ {0, "ssp3_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP3, 4, 3, 0, &ssp3_lock},
+ {0, "timer_mux", timer_parent_names, ARRAY_SIZE(timer_parent_names), CLK_SET_RATE_PARENT, APBC_TIMER, 4, 3, 0, &timer_lock},
+};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {MMP2_CLK_TWSI0, "twsi0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI1, "twsi1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI1, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI2, "twsi2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI2, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI3, "twsi3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI3, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI4, "twsi4_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI4, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI5, "twsi5_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI5, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP2_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x87, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP2_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x7, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {MMP2_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x7, 0x3, 0x0, 0, &uart0_lock},
+ {MMP2_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x7, 0x3, 0x0, 0, &uart1_lock},
+ {MMP2_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBC_UART2, 0x7, 0x3, 0x0, 0, &uart2_lock},
+ {MMP2_CLK_UART3, "uart3_clk", "uart3_mux", CLK_SET_RATE_PARENT, APBC_UART3, 0x7, 0x3, 0x0, 0, &uart2_lock},
+ {MMP2_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x7, 0x3, 0x0, 0, &ssp0_lock},
+ {MMP2_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x7, 0x3, 0x0, 0, &ssp1_lock},
+ {MMP2_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x7, 0x3, 0x0, 0, &ssp2_lock},
+ {MMP2_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x7, 0x3, 0x0, 0, &ssp3_lock},
+ {MMP2_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x7, 0x3, 0x0, 0, &timer_lock},
+ {MMP2_CLK_THERMAL0, "thermal0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL0, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+};
+
+static struct mmp_param_gate_clk mmp3_apbc_gate_clks[] = {
+ {MMP3_CLK_THERMAL1, "thermal1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL1, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP3_CLK_THERMAL2, "thermal2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL2, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP3_CLK_THERMAL3, "thermal3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL3, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+};
+
+static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ mmp_register_gate_clks(unit, mmp3_apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(mmp3_apbc_gate_clks));
+ }
+}
+
+static DEFINE_SPINLOCK(sdh_lock);
+static const char * const sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"};
+static struct mmp_clk_mix_config sdh_mix_config = {
+ .reg_info = DEFINE_MIX_REG_INFO(4, 10, 2, 8, 32),
+};
+
+static DEFINE_SPINLOCK(usb_lock);
+static DEFINE_SPINLOCK(usbhsic0_lock);
+static DEFINE_SPINLOCK(usbhsic1_lock);
+
+static DEFINE_SPINLOCK(disp0_lock);
+static DEFINE_SPINLOCK(disp1_lock);
+static const char * const disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"};
+
+static DEFINE_SPINLOCK(ccic0_lock);
+static DEFINE_SPINLOCK(ccic1_lock);
+static const char * const ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"};
+
+static DEFINE_SPINLOCK(gpu_lock);
+static const char * const mmp2_gpu_gc_parent_names[] = {"pll1_2", "pll1_3", "pll2_2", "pll2_3", "pll2", "usb_pll"};
+static u32 mmp2_gpu_gc_parent_table[] = { 0x0000, 0x0040, 0x0080, 0x00c0, 0x1000, 0x1040 };
+static const char * const mmp2_gpu_bus_parent_names[] = {"pll1_4", "pll2", "pll2_2", "usb_pll"};
+static u32 mmp2_gpu_bus_parent_table[] = { 0x0000, 0x0020, 0x0030, 0x4020 };
+static const char * const mmp3_gpu_bus_parent_names[] = {"pll1_4", "pll1_6", "pll1_2", "pll2_2"};
+static const char * const mmp3_gpu_gc_parent_names[] = {"pll1", "pll2", "pll1_p", "pll2_p"};
+
+static DEFINE_SPINLOCK(audio_lock);
+
+static struct mmp_clk_mix_config ccic0_mix_config = {
+ .reg_info = DEFINE_MIX_REG_INFO(4, 17, 2, 6, 32),
+};
+static struct mmp_clk_mix_config ccic1_mix_config = {
+ .reg_info = DEFINE_MIX_REG_INFO(4, 16, 2, 6, 32),
+};
+
+static struct mmp_param_mux_clk apmu_mux_clks[] = {
+ {MMP2_CLK_DISP0_MUX, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 2, 0, &disp0_lock},
+ {MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock},
+};
+
+static struct mmp_param_mux_clk mmp3_apmu_mux_clks[] = {
+ {0, "gpu_bus_mux", mmp3_gpu_bus_parent_names, ARRAY_SIZE(mmp3_gpu_bus_parent_names),
+ CLK_SET_RATE_PARENT, APMU_GPU, 4, 2, 0, &gpu_lock},
+ {0, "gpu_3d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names),
+ CLK_SET_RATE_PARENT, APMU_GPU, 6, 2, 0, &gpu_lock},
+ {0, "gpu_2d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names),
+ CLK_SET_RATE_PARENT, APMU_GPU, 12, 2, 0, &gpu_lock},
+};
+
+static struct mmp_param_div_clk apmu_div_clks[] = {
+ {0, "disp0_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 8, 4, CLK_DIVIDER_ONE_BASED, &disp0_lock},
+ {0, "disp0_sphy_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 15, 5, 0, &disp0_lock},
+ {0, "disp1_div", "disp1_mux", CLK_SET_RATE_PARENT, APMU_DISP1, 8, 4, CLK_DIVIDER_ONE_BASED, &disp1_lock},
+ {0, "ccic0_sphy_div", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
+ {0, "ccic1_sphy_div", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 10, 5, 0, &ccic1_lock},
+};
+
+static struct mmp_param_div_clk mmp3_apmu_div_clks[] = {
+ {0, "gpu_3d_div", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 24, 4, 0, &gpu_lock},
+ {0, "gpu_2d_div", "gpu_2d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 28, 4, 0, &gpu_lock},
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {MMP2_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
+ {MMP2_CLK_USBHSIC0, "usbhsic0_clk", "usb_pll", 0, APMU_USBHSIC0, 0x1b, 0x1b, 0x0, 0, &usbhsic0_lock},
+ {MMP2_CLK_USBHSIC1, "usbhsic1_clk", "usb_pll", 0, APMU_USBHSIC1, 0x1b, 0x1b, 0x0, 0, &usbhsic1_lock},
+ /* The gate clocks has mux parent. */
+ {MMP2_CLK_SDH0, "sdh0_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_SDH1, "sdh1_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_SDH2, "sdh2_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH2, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_SDH3, "sdh3_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH3, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock},
+ {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock},
+ {MMP2_CLK_DISP0_SPHY, "disp0_sphy_clk", "disp0_sphy_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1024, 0x1024, 0x0, 0, &disp0_lock},
+ {MMP2_CLK_DISP1, "disp1_clk", "disp1_div", CLK_SET_RATE_PARENT, APMU_DISP1, 0x09, 0x09, 0x0, 0, &disp1_lock},
+ {MMP2_CLK_CCIC_ARBITER, "ccic_arbiter", "vctcxo", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1800, 0x1800, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC0, "ccic0_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock},
+ {MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock},
+ {MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock},
+ {MMP2_CLK_GPU_BUS, "gpu_bus_clk", "gpu_bus_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0xa, 0xa, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
+ {MMP2_CLK_AUDIO, "audio_clk", "audio_mix_clk", CLK_SET_RATE_PARENT, APMU_AUDIO, 0x12, 0x12, 0x0, 0, &audio_lock},
+};
+
+static struct mmp_param_gate_clk mmp2_apmu_gate_clks[] = {
+ {MMP2_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
+};
+
+static struct mmp_param_gate_clk mmp3_apmu_gate_clks[] = {
+ {MMP3_CLK_SDH4, "sdh4_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH4, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP3_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
+ {MMP3_CLK_GPU_2D, "gpu_2d_clk", "gpu_2d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x1c0000, 0x1c0000, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
+};
+
+static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ sdh_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_SDH0;
+ clk = mmp_clk_register_mix(NULL, "sdh_mix_clk", sdh_parent_names,
+ ARRAY_SIZE(sdh_parent_names),
+ CLK_SET_RATE_PARENT,
+ &sdh_mix_config, &sdh_lock);
+
+ ccic0_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC0;
+ clk = mmp_clk_register_mix(NULL, "ccic0_mix_clk", ccic_parent_names,
+ ARRAY_SIZE(ccic_parent_names),
+ CLK_SET_RATE_PARENT,
+ &ccic0_mix_config, &ccic0_lock);
+ mmp_clk_add(unit, MMP2_CLK_CCIC0_MIX, clk);
+
+ ccic1_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC1;
+ clk = mmp_clk_register_mix(NULL, "ccic1_mix_clk", ccic_parent_names,
+ ARRAY_SIZE(ccic_parent_names),
+ CLK_SET_RATE_PARENT,
+ &ccic1_mix_config, &ccic1_lock);
+ mmp_clk_add(unit, MMP2_CLK_CCIC1_MIX, clk);
+
+ mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_mux_clks));
+
+ mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_div_clks));
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ mmp_register_mux_clks(unit, mmp3_apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp3_apmu_mux_clks));
+
+ mmp_register_div_clks(unit, mmp3_apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp3_apmu_div_clks));
+
+ mmp_register_gate_clks(unit, mmp3_apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp3_apmu_gate_clks));
+ } else {
+ clk_register_mux_table(NULL, "gpu_3d_mux", mmp2_gpu_gc_parent_names,
+ ARRAY_SIZE(mmp2_gpu_gc_parent_names),
+ CLK_SET_RATE_PARENT,
+ pxa_unit->apmu_base + APMU_GPU,
+ 0, 0x10c0, 0,
+ mmp2_gpu_gc_parent_table, &gpu_lock);
+
+ clk_register_mux_table(NULL, "gpu_bus_mux", mmp2_gpu_bus_parent_names,
+ ARRAY_SIZE(mmp2_gpu_bus_parent_names),
+ CLK_SET_RATE_PARENT,
+ pxa_unit->apmu_base + APMU_GPU,
+ 0, 0x4030, 0,
+ mmp2_gpu_bus_parent_table, &gpu_lock);
+
+ mmp_register_gate_clks(unit, mmp2_apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp2_apmu_gate_clks));
+ }
+}
+
+static void mmp2_clk_reset_init(struct device_node *np,
+ struct mmp2_clk_unit *pxa_unit)
+{
+ struct mmp_clk_reset_cell *cells;
+ int i, nr_resets;
+
+ nr_resets = ARRAY_SIZE(apbc_gate_clks);
+ cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
+ if (!cells)
+ return;
+
+ for (i = 0; i < nr_resets; i++) {
+ cells[i].clk_id = apbc_gate_clks[i].id;
+ cells[i].reg = pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[i].flags = 0;
+ cells[i].lock = apbc_gate_clks[i].lock;
+ cells[i].bits = 0x4;
+ }
+
+ mmp_clk_reset_register(np, cells, nr_resets);
+}
+
+static void mmp2_pm_domain_init(struct device_node *np,
+ struct mmp2_clk_unit *pxa_unit)
+{
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU]
+ = mmp_pm_domain_register("gpu",
+ pxa_unit->apmu_base + APMU_GPU,
+ 0x0600, 0x40003, 0x18000c, 0, &gpu_lock);
+ } else {
+ pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU]
+ = mmp_pm_domain_register("gpu",
+ pxa_unit->apmu_base + APMU_GPU,
+ 0x8600, 0x00003, 0x00000c,
+ MMP_PM_DOMAIN_NO_DISABLE, &gpu_lock);
+ }
+ pxa_unit->pd_data.num_domains++;
+
+ pxa_unit->pm_domains[MMP2_POWER_DOMAIN_AUDIO]
+ = mmp_pm_domain_register("audio",
+ pxa_unit->apmu_base + APMU_AUDIO,
+ 0x600, 0x2, 0, 0, &audio_lock);
+ pxa_unit->pd_data.num_domains++;
+
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ pxa_unit->pm_domains[MMP3_POWER_DOMAIN_CAMERA]
+ = mmp_pm_domain_register("camera",
+ pxa_unit->apmu_base + APMU_CAMERA,
+ 0x600, 0, 0, 0, NULL);
+ pxa_unit->pd_data.num_domains++;
+ }
+
+ pxa_unit->pd_data.domains = pxa_unit->pm_domains;
+ of_genpd_add_provider_onecell(np, &pxa_unit->pd_data);
+}
+
+static void __init mmp2_clk_init(struct device_node *np)
+{
+ struct mmp2_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ if (of_device_is_compatible(np, "marvell,mmp3-clock"))
+ pxa_unit->model = CLK_MODEL_MMP3;
+ else
+ pxa_unit->model = CLK_MODEL_MMP2;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ goto free_memory;
+ }
+
+ pxa_unit->apmu_base = of_iomap(np, 1);
+ if (!pxa_unit->apmu_base) {
+ pr_err("failed to map apmu registers\n");
+ goto unmap_mpmu_region;
+ }
+
+ pxa_unit->apbc_base = of_iomap(np, 2);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ goto unmap_apmu_region;
+ }
+
+ mmp2_pm_domain_init(np, pxa_unit);
+
+ mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS);
+
+ mmp2_main_clk_init(pxa_unit);
+
+ mmp2_apb_periph_clk_init(pxa_unit);
+
+ mmp2_axi_periph_clk_init(pxa_unit);
+
+ mmp2_clk_reset_init(np, pxa_unit);
+
+ return;
+
+unmap_apmu_region:
+ iounmap(pxa_unit->apmu_base);
+unmap_mpmu_region:
+ iounmap(pxa_unit->mpmu_base);
+free_memory:
+ kfree(pxa_unit);
+}
+
+CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);
+CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init);
diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c
new file mode 100644
index 000000000..f110c02e8
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-pxa168.c
@@ -0,0 +1,287 @@
+/*
+ * pxa168 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of_address.h>
+
+#include <dt-bindings/clock/marvell,pxa168.h>
+
+#include "clk.h"
+#include "reset.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x30
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_TIMER 0x34
+#define APBC_SSP0 0x81c
+#define APBC_SSP1 0x820
+#define APBC_SSP2 0x84c
+#define APBC_SSP3 0x858
+#define APBC_SSP4 0x85c
+#define APBC_TWSI1 0x6c
+#define APBC_UART2 0x70
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+struct pxa168_clk_unit {
+ struct mmp_clk_unit unit;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {PXA168_CLK_CLK32, "clk32", NULL, 0, 32768},
+ {PXA168_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000},
+ {PXA168_CLK_PLL1, "pll1", NULL, 0, 624000000},
+ {PXA168_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {PXA168_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
+ {PXA168_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
+ {PXA168_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
+ {PXA168_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
+ {PXA168_CLK_PLL1_6, "pll1_6", "pll1_2", 1, 3, 0},
+ {PXA168_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
+ {PXA168_CLK_PLL1_24, "pll1_24", "pll1_12", 1, 2, 0},
+ {PXA168_CLK_PLL1_48, "pll1_48", "pll1_24", 1, 2, 0},
+ {PXA168_CLK_PLL1_96, "pll1_96", "pll1_48", 1, 2, 0},
+ {PXA168_CLK_PLL1_192, "pll1_192", "pll1_96", 1, 2, 0},
+ {PXA168_CLK_PLL1_13, "pll1_13", "pll1", 1, 13, 0},
+ {PXA168_CLK_PLL1_13_1_5, "pll1_13_1_5", "pll1_13", 2, 3, 0},
+ {PXA168_CLK_PLL1_2_1_5, "pll1_2_1_5", "pll1_2", 2, 3, 0},
+ {PXA168_CLK_PLL1_3_16, "pll1_3_16", "pll1", 3, 16, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static void pxa168_pll_init(struct pxa168_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+ mmp_clk_add(unit, PXA168_CLK_UART_PLL, clk);
+}
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+static const char *uart_parent_names[] = {"pll1_3_16", "uart_pll"};
+
+static DEFINE_SPINLOCK(ssp0_lock);
+static DEFINE_SPINLOCK(ssp1_lock);
+static DEFINE_SPINLOCK(ssp2_lock);
+static DEFINE_SPINLOCK(ssp3_lock);
+static DEFINE_SPINLOCK(ssp4_lock);
+static const char *ssp_parent_names[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+
+static DEFINE_SPINLOCK(timer_lock);
+static const char *timer_parent_names[] = {"pll1_48", "clk32", "pll1_96", "pll1_192"};
+
+static DEFINE_SPINLOCK(reset_lock);
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART2, 4, 3, 0, &uart2_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
+ {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
+ {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP2, 4, 3, 0, &ssp2_lock},
+ {0, "ssp3_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP3, 4, 3, 0, &ssp3_lock},
+ {0, "ssp4_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP4, 4, 3, 0, &ssp4_lock},
+ {0, "timer_mux", timer_parent_names, ARRAY_SIZE(timer_parent_names), CLK_SET_RATE_PARENT, APBC_TIMER, 4, 3, 0, &timer_lock},
+};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {PXA168_CLK_TWSI0, "twsi0_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_TWSI1, "twsi1_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBC_TWSI1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x3, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA168_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x83, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA168_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x3, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {PXA168_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x3, 0x3, 0x0, 0, &uart0_lock},
+ {PXA168_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x3, 0x3, 0x0, 0, &uart1_lock},
+ {PXA168_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBC_UART2, 0x3, 0x3, 0x0, 0, &uart2_lock},
+ {PXA168_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x3, 0x3, 0x0, 0, &ssp0_lock},
+ {PXA168_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x3, 0x3, 0x0, 0, &ssp1_lock},
+ {PXA168_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x3, 0x3, 0x0, 0, &ssp2_lock},
+ {PXA168_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x3, 0x3, 0x0, 0, &ssp3_lock},
+ {PXA168_CLK_SSP4, "ssp4_clk", "ssp4_mux", CLK_SET_RATE_PARENT, APBC_SSP4, 0x3, 0x3, 0x0, 0, &ssp4_lock},
+ {PXA168_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x3, 0x3, 0x0, 0, &timer_lock},
+};
+
+static void pxa168_apb_periph_clk_init(struct pxa168_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+
+}
+
+static DEFINE_SPINLOCK(sdh0_lock);
+static DEFINE_SPINLOCK(sdh1_lock);
+static const char *sdh_parent_names[] = {"pll1_12", "pll1_13"};
+
+static DEFINE_SPINLOCK(usb_lock);
+
+static DEFINE_SPINLOCK(disp0_lock);
+static const char *disp_parent_names[] = {"pll1_2", "pll1_12"};
+
+static DEFINE_SPINLOCK(ccic0_lock);
+static const char *ccic_parent_names[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent_names[] = {"pll1_6", "pll1_12"};
+
+static struct mmp_param_mux_clk apmu_mux_clks[] = {
+ {0, "sdh0_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH0, 6, 1, 0, &sdh0_lock},
+ {0, "sdh1_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH1, 6, 1, 0, &sdh1_lock},
+ {0, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 1, 0, &disp0_lock},
+ {0, "ccic0_mux", ccic_parent_names, ARRAY_SIZE(ccic_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 6, 1, 0, &ccic0_lock},
+ {0, "ccic0_phy_mux", ccic_phy_parent_names, ARRAY_SIZE(ccic_phy_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 7, 1, 0, &ccic0_lock},
+};
+
+static struct mmp_param_div_clk apmu_div_clks[] = {
+ {0, "ccic0_sphy_div", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {PXA168_CLK_DFC, "dfc_clk", "pll1_4", CLK_SET_RATE_PARENT, APMU_DFC, 0x19b, 0x19b, 0x0, 0, NULL},
+ {PXA168_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
+ {PXA168_CLK_SPH, "sph_clk", "usb_pll", 0, APMU_USB, 0x12, 0x12, 0x0, 0, &usb_lock},
+ /* The gate clocks has mux parent. */
+ {PXA168_CLK_SDH0, "sdh0_clk", "sdh0_mux", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh0_lock},
+ {PXA168_CLK_SDH1, "sdh1_clk", "sdh1_mux", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh1_lock},
+ {PXA168_CLK_DISP0, "disp0_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1b, 0x1b, 0x0, 0, &disp0_lock},
+ {PXA168_CLK_CCIC0, "ccic0_clk", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
+ {PXA168_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_phy_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
+ {PXA168_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
+};
+
+static void pxa168_axi_periph_clk_init(struct pxa168_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_mux_clks));
+
+ mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_div_clks));
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+}
+
+static void pxa168_clk_reset_init(struct device_node *np,
+ struct pxa168_clk_unit *pxa_unit)
+{
+ struct mmp_clk_reset_cell *cells;
+ int i, nr_resets;
+
+ nr_resets = ARRAY_SIZE(apbc_gate_clks);
+ cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
+ if (!cells)
+ return;
+
+ for (i = 0; i < nr_resets; i++) {
+ cells[i].clk_id = apbc_gate_clks[i].id;
+ cells[i].reg = pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[i].flags = 0;
+ cells[i].lock = apbc_gate_clks[i].lock;
+ cells[i].bits = 0x4;
+ }
+
+ mmp_clk_reset_register(np, cells, nr_resets);
+}
+
+static void __init pxa168_clk_init(struct device_node *np)
+{
+ struct pxa168_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ return;
+ }
+
+ pxa_unit->apmu_base = of_iomap(np, 1);
+ if (!pxa_unit->apmu_base) {
+ pr_err("failed to map apmu registers\n");
+ return;
+ }
+
+ pxa_unit->apbc_base = of_iomap(np, 2);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA168_NR_CLKS);
+
+ pxa168_pll_init(pxa_unit);
+
+ pxa168_apb_periph_clk_init(pxa_unit);
+
+ pxa168_axi_periph_clk_init(pxa_unit);
+
+ pxa168_clk_reset_init(np, pxa_unit);
+}
+
+CLK_OF_DECLARE(pxa168_clk, "marvell,pxa168-clock", pxa168_clk_init);
diff --git a/drivers/clk/mmp/clk-of-pxa1928.c b/drivers/clk/mmp/clk-of-pxa1928.c
new file mode 100644
index 000000000..998fc4207
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-pxa1928.c
@@ -0,0 +1,267 @@
+/*
+ * pxa1928 clock framework source file
+ *
+ * Copyright (C) 2015 Linaro, Ltd.
+ * Rob Herring <robh@kernel.org>
+ *
+ * Based on drivers/clk/mmp/clk-of-mmp2.c:
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <dt-bindings/clock/marvell,pxa1928.h>
+
+#include "clk.h"
+#include "reset.h"
+
+#define MPMU_UART_PLL 0x14
+
+struct pxa1928_clk_unit {
+ struct mmp_clk_unit unit;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+ void __iomem *apbcp_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {0, "clk32", NULL, 0, 32768},
+ {0, "vctcxo", NULL, 0, 26000000},
+ {0, "pll1_624", NULL, 0, 624000000},
+ {0, "pll5p", NULL, 0, 832000000},
+ {0, "pll5", NULL, 0, 1248000000},
+ {0, "usb_pll", NULL, 0, 480000000},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {0, "pll1_d2", "pll1_624", 1, 2, 0},
+ {0, "pll1_d9", "pll1_624", 1, 9, 0},
+ {0, "pll1_d12", "pll1_624", 1, 12, 0},
+ {0, "pll1_d16", "pll1_624", 1, 16, 0},
+ {0, "pll1_d20", "pll1_624", 1, 20, 0},
+ {0, "pll1_416", "pll1_624", 2, 3, 0},
+ {0, "vctcxo_d2", "vctcxo", 1, 2, 0},
+ {0, "vctcxo_d4", "vctcxo", 1, 4, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 832, .den = 234}, /*58.5MHZ */
+ {.num = 1, .den = 1}, /*26MHZ */
+};
+
+static void pxa1928_pll_init(struct pxa1928_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ mmp_clk_register_factor("uart_pll", "pll1_416",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+}
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+static DEFINE_SPINLOCK(uart3_lock);
+static const char *uart_parent_names[] = {"uart_pll", "vctcxo"};
+
+static DEFINE_SPINLOCK(ssp0_lock);
+static DEFINE_SPINLOCK(ssp1_lock);
+static const char *ssp_parent_names[] = {"vctcxo_d4", "vctcxo_d2", "vctcxo", "pll1_d12"};
+
+static DEFINE_SPINLOCK(reset_lock);
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, PXA1928_CLK_UART0 * 4, 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, PXA1928_CLK_UART1 * 4, 4, 3, 0, &uart1_lock},
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, PXA1928_CLK_UART2 * 4, 4, 3, 0, &uart2_lock},
+ {0, "uart3_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, PXA1928_CLK_UART3 * 4, 4, 3, 0, &uart3_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, PXA1928_CLK_SSP0 * 4, 4, 3, 0, &ssp0_lock},
+ {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, PXA1928_CLK_SSP1 * 4, 4, 3, 0, &ssp1_lock},
+};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {PXA1928_CLK_TWSI0, "twsi0_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_TWSI0 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_TWSI1, "twsi1_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_TWSI1 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_TWSI2, "twsi2_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_TWSI2 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_TWSI3, "twsi3_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_TWSI3 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_TWSI4, "twsi4_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_TWSI4 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_TWSI5, "twsi5_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_TWSI5 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_GPIO * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, PXA1928_CLK_KPC * 4, 0x3, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA1928_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, PXA1928_CLK_RTC * 4, 0x83, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA1928_CLK_PWM0, "pwm0_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_PWM0 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_PWM1, "pwm1_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_PWM1 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_PWM2, "pwm2_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_PWM2 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA1928_CLK_PWM3, "pwm3_clk", "vctcxo", CLK_SET_RATE_PARENT, PXA1928_CLK_PWM3 * 4, 0x3, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {PXA1928_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, PXA1928_CLK_UART0 * 4, 0x3, 0x3, 0x0, 0, &uart0_lock},
+ {PXA1928_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, PXA1928_CLK_UART1 * 4, 0x3, 0x3, 0x0, 0, &uart1_lock},
+ {PXA1928_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, PXA1928_CLK_UART2 * 4, 0x3, 0x3, 0x0, 0, &uart2_lock},
+ {PXA1928_CLK_UART3, "uart3_clk", "uart3_mux", CLK_SET_RATE_PARENT, PXA1928_CLK_UART3 * 4, 0x3, 0x3, 0x0, 0, &uart3_lock},
+ {PXA1928_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, PXA1928_CLK_SSP0 * 4, 0x3, 0x3, 0x0, 0, &ssp0_lock},
+ {PXA1928_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, PXA1928_CLK_SSP1 * 4, 0x3, 0x3, 0x0, 0, &ssp1_lock},
+};
+
+static void pxa1928_apb_periph_clk_init(struct pxa1928_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+}
+
+static DEFINE_SPINLOCK(sdh0_lock);
+static DEFINE_SPINLOCK(sdh1_lock);
+static DEFINE_SPINLOCK(sdh2_lock);
+static DEFINE_SPINLOCK(sdh3_lock);
+static DEFINE_SPINLOCK(sdh4_lock);
+static const char *sdh_parent_names[] = {"pll1_624", "pll5p", "pll5", "pll1_416"};
+
+static DEFINE_SPINLOCK(usb_lock);
+
+static struct mmp_param_mux_clk apmu_mux_clks[] = {
+ {0, "sdh_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, PXA1928_CLK_SDH0 * 4, 8, 2, 0, &sdh0_lock},
+};
+
+static struct mmp_param_div_clk apmu_div_clks[] = {
+ {0, "sdh_div", "sdh_mux", 0, PXA1928_CLK_SDH0 * 4, 10, 4, CLK_DIVIDER_ONE_BASED, &sdh0_lock},
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {PXA1928_CLK_USB, "usb_clk", "usb_pll", 0, PXA1928_CLK_USB * 4, 0x9, 0x9, 0x0, 0, &usb_lock},
+ {PXA1928_CLK_HSIC, "hsic_clk", "usb_pll", 0, PXA1928_CLK_HSIC * 4, 0x9, 0x9, 0x0, 0, &usb_lock},
+ /* The gate clocks has mux parent. */
+ {PXA1928_CLK_SDH0, "sdh0_clk", "sdh_div", CLK_SET_RATE_PARENT, PXA1928_CLK_SDH0 * 4, 0x1b, 0x1b, 0x0, 0, &sdh0_lock},
+ {PXA1928_CLK_SDH1, "sdh1_clk", "sdh_div", CLK_SET_RATE_PARENT, PXA1928_CLK_SDH1 * 4, 0x1b, 0x1b, 0x0, 0, &sdh1_lock},
+ {PXA1928_CLK_SDH2, "sdh2_clk", "sdh_div", CLK_SET_RATE_PARENT, PXA1928_CLK_SDH2 * 4, 0x1b, 0x1b, 0x0, 0, &sdh2_lock},
+ {PXA1928_CLK_SDH3, "sdh3_clk", "sdh_div", CLK_SET_RATE_PARENT, PXA1928_CLK_SDH3 * 4, 0x1b, 0x1b, 0x0, 0, &sdh3_lock},
+ {PXA1928_CLK_SDH4, "sdh4_clk", "sdh_div", CLK_SET_RATE_PARENT, PXA1928_CLK_SDH4 * 4, 0x1b, 0x1b, 0x0, 0, &sdh4_lock},
+};
+
+static void pxa1928_axi_periph_clk_init(struct pxa1928_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_mux_clks));
+
+ mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_div_clks));
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+}
+
+static void pxa1928_clk_reset_init(struct device_node *np,
+ struct pxa1928_clk_unit *pxa_unit)
+{
+ struct mmp_clk_reset_cell *cells;
+ int i, base, nr_resets;
+
+ nr_resets = ARRAY_SIZE(apbc_gate_clks);
+ cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
+ if (!cells)
+ return;
+
+ base = 0;
+ for (i = 0; i < nr_resets; i++) {
+ cells[base + i].clk_id = apbc_gate_clks[i].id;
+ cells[base + i].reg =
+ pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[base + i].flags = 0;
+ cells[base + i].lock = apbc_gate_clks[i].lock;
+ cells[base + i].bits = 0x4;
+ }
+
+ mmp_clk_reset_register(np, cells, nr_resets);
+}
+
+static void __init pxa1928_mpmu_clk_init(struct device_node *np)
+{
+ struct pxa1928_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ kfree(pxa_unit);
+ return;
+ }
+
+ pxa1928_pll_init(pxa_unit);
+}
+CLK_OF_DECLARE(pxa1928_mpmu_clk, "marvell,pxa1928-mpmu", pxa1928_mpmu_clk_init);
+
+static void __init pxa1928_apmu_clk_init(struct device_node *np)
+{
+ struct pxa1928_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->apmu_base = of_iomap(np, 0);
+ if (!pxa_unit->apmu_base) {
+ pr_err("failed to map apmu registers\n");
+ kfree(pxa_unit);
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA1928_APMU_NR_CLKS);
+
+ pxa1928_axi_periph_clk_init(pxa_unit);
+}
+CLK_OF_DECLARE(pxa1928_apmu_clk, "marvell,pxa1928-apmu", pxa1928_apmu_clk_init);
+
+static void __init pxa1928_apbc_clk_init(struct device_node *np)
+{
+ struct pxa1928_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->apbc_base = of_iomap(np, 0);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ kfree(pxa_unit);
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA1928_APBC_NR_CLKS);
+
+ pxa1928_apb_periph_clk_init(pxa_unit);
+ pxa1928_clk_reset_init(np, pxa_unit);
+}
+CLK_OF_DECLARE(pxa1928_apbc_clk, "marvell,pxa1928-apbc", pxa1928_apbc_clk_init);
diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c
new file mode 100644
index 000000000..1dcabe95c
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-pxa910.c
@@ -0,0 +1,324 @@
+/*
+ * pxa910 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of_address.h>
+
+#include <dt-bindings/clock/marvell,pxa910.h>
+
+#include "clk.h"
+#include "reset.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x18
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_SSP0 0x1c
+#define APBC_SSP1 0x20
+#define APBC_SSP2 0x4c
+#define APBC_TIMER0 0x30
+#define APBC_TIMER1 0x44
+#define APBCP_TWSI1 0x28
+#define APBCP_UART2 0x1c
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+struct pxa910_clk_unit {
+ struct mmp_clk_unit unit;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+ void __iomem *apbcp_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {PXA910_CLK_CLK32, "clk32", NULL, 0, 32768},
+ {PXA910_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000},
+ {PXA910_CLK_PLL1, "pll1", NULL, 0, 624000000},
+ {PXA910_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {PXA910_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
+ {PXA910_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
+ {PXA910_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
+ {PXA910_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
+ {PXA910_CLK_PLL1_6, "pll1_6", "pll1_2", 1, 3, 0},
+ {PXA910_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
+ {PXA910_CLK_PLL1_24, "pll1_24", "pll1_12", 1, 2, 0},
+ {PXA910_CLK_PLL1_48, "pll1_48", "pll1_24", 1, 2, 0},
+ {PXA910_CLK_PLL1_96, "pll1_96", "pll1_48", 1, 2, 0},
+ {PXA910_CLK_PLL1_192, "pll1_192", "pll1_96", 1, 2, 0},
+ {PXA910_CLK_PLL1_13, "pll1_13", "pll1", 1, 13, 0},
+ {PXA910_CLK_PLL1_13_1_5, "pll1_13_1_5", "pll1_13", 2, 3, 0},
+ {PXA910_CLK_PLL1_2_1_5, "pll1_2_1_5", "pll1_2", 2, 3, 0},
+ {PXA910_CLK_PLL1_3_16, "pll1_3_16", "pll1", 3, 16, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static void pxa910_pll_init(struct pxa910_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+ mmp_clk_add(unit, PXA910_CLK_UART_PLL, clk);
+}
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+static const char *uart_parent_names[] = {"pll1_3_16", "uart_pll"};
+
+static DEFINE_SPINLOCK(ssp0_lock);
+static DEFINE_SPINLOCK(ssp1_lock);
+static const char *ssp_parent_names[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+
+static DEFINE_SPINLOCK(timer0_lock);
+static DEFINE_SPINLOCK(timer1_lock);
+static const char *timer_parent_names[] = {"pll1_48", "clk32", "pll1_96"};
+
+static DEFINE_SPINLOCK(reset_lock);
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
+ {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
+ {0, "timer0_mux", timer_parent_names, ARRAY_SIZE(timer_parent_names), CLK_SET_RATE_PARENT, APBC_TIMER0, 4, 3, 0, &timer0_lock},
+ {0, "timer1_mux", timer_parent_names, ARRAY_SIZE(timer_parent_names), CLK_SET_RATE_PARENT, APBC_TIMER1, 4, 3, 0, &timer1_lock},
+};
+
+static struct mmp_param_mux_clk apbcp_mux_clks[] = {
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBCP_UART2, 4, 3, 0, &uart2_lock},
+};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {PXA910_CLK_TWSI0, "twsi0_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x3, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA910_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x83, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA910_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x3, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {PXA910_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x3, 0x3, 0x0, 0, &uart0_lock},
+ {PXA910_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x3, 0x3, 0x0, 0, &uart1_lock},
+ {PXA910_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x3, 0x3, 0x0, 0, &ssp0_lock},
+ {PXA910_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x3, 0x3, 0x0, 0, &ssp1_lock},
+ {PXA910_CLK_TIMER0, "timer0_clk", "timer0_mux", CLK_SET_RATE_PARENT, APBC_TIMER0, 0x3, 0x3, 0x0, 0, &timer0_lock},
+ {PXA910_CLK_TIMER1, "timer1_clk", "timer1_mux", CLK_SET_RATE_PARENT, APBC_TIMER1, 0x3, 0x3, 0x0, 0, &timer1_lock},
+};
+
+static struct mmp_param_gate_clk apbcp_gate_clks[] = {
+ {PXA910_CLK_TWSI1, "twsi1_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBCP_TWSI1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {PXA910_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBCP_UART2, 0x3, 0x3, 0x0, 0, &uart2_lock},
+};
+
+static void pxa910_apb_periph_clk_init(struct pxa910_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+
+ mmp_register_mux_clks(unit, apbcp_mux_clks, pxa_unit->apbcp_base,
+ ARRAY_SIZE(apbcp_mux_clks));
+
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+
+ mmp_register_gate_clks(unit, apbcp_gate_clks, pxa_unit->apbcp_base,
+ ARRAY_SIZE(apbcp_gate_clks));
+}
+
+static DEFINE_SPINLOCK(sdh0_lock);
+static DEFINE_SPINLOCK(sdh1_lock);
+static const char *sdh_parent_names[] = {"pll1_12", "pll1_13"};
+
+static DEFINE_SPINLOCK(usb_lock);
+
+static DEFINE_SPINLOCK(disp0_lock);
+static const char *disp_parent_names[] = {"pll1_2", "pll1_12"};
+
+static DEFINE_SPINLOCK(ccic0_lock);
+static const char *ccic_parent_names[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent_names[] = {"pll1_6", "pll1_12"};
+
+static struct mmp_param_mux_clk apmu_mux_clks[] = {
+ {0, "sdh0_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH0, 6, 1, 0, &sdh0_lock},
+ {0, "sdh1_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH1, 6, 1, 0, &sdh1_lock},
+ {0, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 1, 0, &disp0_lock},
+ {0, "ccic0_mux", ccic_parent_names, ARRAY_SIZE(ccic_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 6, 1, 0, &ccic0_lock},
+ {0, "ccic0_phy_mux", ccic_phy_parent_names, ARRAY_SIZE(ccic_phy_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 7, 1, 0, &ccic0_lock},
+};
+
+static struct mmp_param_div_clk apmu_div_clks[] = {
+ {0, "ccic0_sphy_div", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {PXA910_CLK_DFC, "dfc_clk", "pll1_4", CLK_SET_RATE_PARENT, APMU_DFC, 0x19b, 0x19b, 0x0, 0, NULL},
+ {PXA910_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
+ {PXA910_CLK_SPH, "sph_clk", "usb_pll", 0, APMU_USB, 0x12, 0x12, 0x0, 0, &usb_lock},
+ /* The gate clocks has mux parent. */
+ {PXA910_CLK_SDH0, "sdh0_clk", "sdh0_mux", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh0_lock},
+ {PXA910_CLK_SDH1, "sdh1_clk", "sdh1_mux", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh1_lock},
+ {PXA910_CLK_DISP0, "disp0_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1b, 0x1b, 0x0, 0, &disp0_lock},
+ {PXA910_CLK_CCIC0, "ccic0_clk", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
+ {PXA910_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_phy_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
+ {PXA910_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
+};
+
+static void pxa910_axi_periph_clk_init(struct pxa910_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_mux_clks));
+
+ mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_div_clks));
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+}
+
+static void pxa910_clk_reset_init(struct device_node *np,
+ struct pxa910_clk_unit *pxa_unit)
+{
+ struct mmp_clk_reset_cell *cells;
+ int i, base, nr_resets_apbc, nr_resets_apbcp, nr_resets;
+
+ nr_resets_apbc = ARRAY_SIZE(apbc_gate_clks);
+ nr_resets_apbcp = ARRAY_SIZE(apbcp_gate_clks);
+ nr_resets = nr_resets_apbc + nr_resets_apbcp;
+ cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
+ if (!cells)
+ return;
+
+ base = 0;
+ for (i = 0; i < nr_resets_apbc; i++) {
+ cells[base + i].clk_id = apbc_gate_clks[i].id;
+ cells[base + i].reg =
+ pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[base + i].flags = 0;
+ cells[base + i].lock = apbc_gate_clks[i].lock;
+ cells[base + i].bits = 0x4;
+ }
+
+ base = nr_resets_apbc;
+ for (i = 0; i < nr_resets_apbcp; i++) {
+ cells[base + i].clk_id = apbcp_gate_clks[i].id;
+ cells[base + i].reg =
+ pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[base + i].flags = 0;
+ cells[base + i].lock = apbc_gate_clks[i].lock;
+ cells[base + i].bits = 0x4;
+ }
+
+ mmp_clk_reset_register(np, cells, nr_resets);
+}
+
+static void __init pxa910_clk_init(struct device_node *np)
+{
+ struct pxa910_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ goto free_memory;
+ }
+
+ pxa_unit->apmu_base = of_iomap(np, 1);
+ if (!pxa_unit->apmu_base) {
+ pr_err("failed to map apmu registers\n");
+ goto unmap_mpmu_region;
+ }
+
+ pxa_unit->apbc_base = of_iomap(np, 2);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ goto unmap_apmu_region;
+ }
+
+ pxa_unit->apbcp_base = of_iomap(np, 3);
+ if (!pxa_unit->apbcp_base) {
+ pr_err("failed to map apbcp registers\n");
+ goto unmap_apbc_region;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA910_NR_CLKS);
+
+ pxa910_pll_init(pxa_unit);
+
+ pxa910_apb_periph_clk_init(pxa_unit);
+
+ pxa910_axi_periph_clk_init(pxa_unit);
+
+ pxa910_clk_reset_init(np, pxa_unit);
+
+ return;
+
+unmap_apbc_region:
+ iounmap(pxa_unit->apbc_base);
+unmap_apmu_region:
+ iounmap(pxa_unit->apmu_base);
+unmap_mpmu_region:
+ iounmap(pxa_unit->mpmu_base);
+free_memory:
+ kfree(pxa_unit);
+}
+
+CLK_OF_DECLARE(pxa910_clk, "marvell,pxa910-clock", pxa910_clk_init);
diff --git a/drivers/clk/mmp/clk-pll.c b/drivers/clk/mmp/clk-pll.c
new file mode 100644
index 000000000..962014cfd
--- /dev/null
+++ b/drivers/clk/mmp/clk-pll.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MMP PLL clock rate calculation
+ *
+ * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+
+#include "clk.h"
+
+#define to_clk_mmp_pll(hw) container_of(hw, struct mmp_clk_pll, hw)
+
+struct mmp_clk_pll {
+ struct clk_hw hw;
+ unsigned long default_rate;
+ void __iomem *enable_reg;
+ u32 enable;
+ void __iomem *reg;
+ u8 shift;
+
+ unsigned long input_rate;
+ void __iomem *postdiv_reg;
+ u8 postdiv_shift;
+};
+
+static int mmp_clk_pll_is_enabled(struct clk_hw *hw)
+{
+ struct mmp_clk_pll *pll = to_clk_mmp_pll(hw);
+ u32 val;
+
+ val = readl_relaxed(pll->enable_reg);
+ if ((val & pll->enable) == pll->enable)
+ return 1;
+
+ /* Some PLLs, if not software controlled, output default clock. */
+ if (pll->default_rate > 0)
+ return 1;
+
+ return 0;
+}
+
+static unsigned long mmp_clk_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mmp_clk_pll *pll = to_clk_mmp_pll(hw);
+ u32 fbdiv, refdiv, postdiv;
+ u64 rate;
+ u32 val;
+
+ val = readl_relaxed(pll->enable_reg);
+ if ((val & pll->enable) != pll->enable)
+ return pll->default_rate;
+
+ if (pll->reg) {
+ val = readl_relaxed(pll->reg);
+ fbdiv = (val >> pll->shift) & 0x1ff;
+ refdiv = (val >> (pll->shift + 9)) & 0x1f;
+ } else {
+ fbdiv = 2;
+ refdiv = 1;
+ }
+
+ if (pll->postdiv_reg) {
+ /* MMP3 clock rate calculation */
+ static const u8 postdivs[] = {2, 3, 4, 5, 6, 8, 10, 12, 16};
+
+ val = readl_relaxed(pll->postdiv_reg);
+ postdiv = (val >> pll->postdiv_shift) & 0x7;
+
+ rate = pll->input_rate;
+ rate *= 2 * fbdiv;
+ do_div(rate, refdiv);
+ do_div(rate, postdivs[postdiv]);
+ } else {
+ /* MMP2 clock rate calculation */
+ if (refdiv == 3) {
+ rate = 19200000;
+ } else if (refdiv == 4) {
+ rate = 26000000;
+ } else {
+ pr_err("bad refdiv: %d (0x%08x)\n", refdiv, val);
+ return 0;
+ }
+
+ rate *= fbdiv + 2;
+ do_div(rate, refdiv + 2);
+ }
+
+ return (unsigned long)rate;
+}
+
+static const struct clk_ops mmp_clk_pll_ops = {
+ .is_enabled = mmp_clk_pll_is_enabled,
+ .recalc_rate = mmp_clk_pll_recalc_rate,
+};
+
+static struct clk *mmp_clk_register_pll(char *name,
+ unsigned long default_rate,
+ void __iomem *enable_reg, u32 enable,
+ void __iomem *reg, u8 shift,
+ unsigned long input_rate,
+ void __iomem *postdiv_reg, u8 postdiv_shift)
+{
+ struct mmp_clk_pll *pll;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+ if (!pll)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &mmp_clk_pll_ops;
+ init.flags = 0;
+ init.parent_names = NULL;
+ init.num_parents = 0;
+
+ pll->default_rate = default_rate;
+ pll->enable_reg = enable_reg;
+ pll->enable = enable;
+ pll->reg = reg;
+ pll->shift = shift;
+
+ pll->input_rate = input_rate;
+ pll->postdiv_reg = postdiv_reg;
+ pll->postdiv_shift = postdiv_shift;
+
+ pll->hw.init = &init;
+
+ clk = clk_register(NULL, &pll->hw);
+
+ if (IS_ERR(clk))
+ kfree(pll);
+
+ return clk;
+}
+
+void mmp_register_pll_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_pll_clk *clks,
+ void __iomem *base, int size)
+{
+ struct clk *clk;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ void __iomem *reg = NULL;
+
+ if (clks[i].offset)
+ reg = base + clks[i].offset;
+
+ clk = mmp_clk_register_pll(clks[i].name,
+ clks[i].default_rate,
+ base + clks[i].enable_offset,
+ clks[i].enable,
+ reg, clks[i].shift,
+ clks[i].input_rate,
+ base + clks[i].postdiv_offset,
+ clks[i].postdiv_shift);
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
diff --git a/drivers/clk/mmp/clk-pxa168.c b/drivers/clk/mmp/clk-pxa168.c
new file mode 100644
index 000000000..b351039ca
--- /dev/null
+++ b/drivers/clk/mmp/clk-pxa168.c
@@ -0,0 +1,357 @@
+/*
+ * pxa168 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk/mmp.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+
+#include "clk.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x30
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_SSP0 0x81c
+#define APBC_SSP1 0x820
+#define APBC_SSP2 0x84c
+#define APBC_SSP3 0x858
+#define APBC_SSP4 0x85c
+#define APBC_TWSI1 0x6c
+#define APBC_UART2 0x70
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+static DEFINE_SPINLOCK(clk_lock);
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static const char *uart_parent[] = {"pll1_3_16", "uart_pll"};
+static const char *ssp_parent[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+static const char *sdh_parent[] = {"pll1_12", "pll1_13"};
+static const char *disp_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent[] = {"pll1_6", "pll1_12"};
+
+void __init pxa168_clk_init(phys_addr_t mpmu_phys, phys_addr_t apmu_phys,
+ phys_addr_t apbc_phys)
+{
+ struct clk *clk;
+ struct clk *uart_pll;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+
+ mpmu_base = ioremap(mpmu_phys, SZ_4K);
+ if (!mpmu_base) {
+ pr_err("error to ioremap MPMU base\n");
+ return;
+ }
+
+ apmu_base = ioremap(apmu_phys, SZ_4K);
+ if (!apmu_base) {
+ pr_err("error to ioremap APMU base\n");
+ return;
+ }
+
+ apbc_base = ioremap(apbc_phys, SZ_4K);
+ if (!apbc_base) {
+ pr_err("error to ioremap APBC base\n");
+ return;
+ }
+
+ clk = clk_register_fixed_rate(NULL, "clk32", NULL, 0, 3200);
+ clk_register_clkdev(clk, "clk32", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, 0, 26000000);
+ clk_register_clkdev(clk, "vctcxo", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll1", NULL, 0, 624000000);
+ clk_register_clkdev(clk, "pll1", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll1_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_24", "pll1_12",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_24", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_48", "pll1_24",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_48", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_96", "pll1_48",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_96", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13", "pll1",
+ CLK_SET_RATE_PARENT, 1, 13);
+ clk_register_clkdev(clk, "pll1_13", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_13_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_2_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_3_16", "pll1",
+ CLK_SET_RATE_PARENT, 3, 16);
+ clk_register_clkdev(clk, "pll1_3_16", NULL);
+
+ uart_pll = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
+ mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), &clk_lock);
+ clk_set_rate(uart_pll, 14745600);
+ clk_register_clkdev(uart_pll, "uart_pll", NULL);
+
+ clk = mmp_clk_register_apbc("twsi0", "pll1_13_1_5",
+ apbc_base + APBC_TWSI0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0");
+
+ clk = mmp_clk_register_apbc("twsi1", "pll1_13_1_5",
+ apbc_base + APBC_TWSI1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1");
+
+ clk = mmp_clk_register_apbc("gpio", "vctcxo",
+ apbc_base + APBC_GPIO, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-gpio");
+
+ clk = mmp_clk_register_apbc("kpc", "clk32",
+ apbc_base + APBC_KPC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa27x-keypad");
+
+ clk = mmp_clk_register_apbc("rtc", "clk32",
+ apbc_base + APBC_RTC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sa1100-rtc");
+
+ clk = mmp_clk_register_apbc("pwm0", "pll1_48",
+ apbc_base + APBC_PWM0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.0");
+
+ clk = mmp_clk_register_apbc("pwm1", "pll1_48",
+ apbc_base + APBC_PWM1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.1");
+
+ clk = mmp_clk_register_apbc("pwm2", "pll1_48",
+ apbc_base + APBC_PWM2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.2");
+
+ clk = mmp_clk_register_apbc("pwm3", "pll1_48",
+ apbc_base + APBC_PWM3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.3");
+
+ clk = clk_register_mux(NULL, "uart0_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART0, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("uart0", "uart0_mux",
+ apbc_base + APBC_UART0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.0");
+
+ clk = clk_register_mux(NULL, "uart1_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART1, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("uart1", "uart1_mux",
+ apbc_base + APBC_UART1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.1");
+
+ clk = clk_register_mux(NULL, "uart2_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART2, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("uart2", "uart2_mux",
+ apbc_base + APBC_UART2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.2");
+
+ clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("ssp0", "ssp0_mux", apbc_base + APBC_SSP0,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.0");
+
+ clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("ssp1", "ssp1_mux", apbc_base + APBC_SSP1,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.1");
+
+ clk = clk_register_mux(NULL, "ssp2_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP2, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("ssp2", "ssp1_mux", apbc_base + APBC_SSP2,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.2");
+
+ clk = clk_register_mux(NULL, "ssp3_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP3, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.3", NULL);
+
+ clk = mmp_clk_register_apbc("ssp3", "ssp1_mux", apbc_base + APBC_SSP3,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.3");
+
+ clk = clk_register_mux(NULL, "ssp4_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP4, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.4", NULL);
+
+ clk = mmp_clk_register_apbc("ssp4", "ssp1_mux", apbc_base + APBC_SSP4,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.4");
+
+ clk = mmp_clk_register_apmu("dfc", "pll1_4", apmu_base + APMU_DFC,
+ 0x19b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa3xx-nand.0");
+
+ clk = clk_register_mux(NULL, "sdh0_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_SDH0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh0_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh0", "sdh_mux", apmu_base + APMU_SDH0,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.0");
+
+ clk = clk_register_mux(NULL, "sdh1_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_SDH1, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh1_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh1", "sdh1_mux", apmu_base + APMU_SDH1,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.1");
+
+ clk = mmp_clk_register_apmu("usb", "usb_pll", apmu_base + APMU_USB,
+ 0x9, &clk_lock);
+ clk_register_clkdev(clk, "usb_clk", NULL);
+
+ clk = mmp_clk_register_apmu("sph", "usb_pll", apmu_base + APMU_USB,
+ 0x12, &clk_lock);
+ clk_register_clkdev(clk, "sph_clk", NULL);
+
+ clk = clk_register_mux(NULL, "disp0_mux", disp_parent,
+ ARRAY_SIZE(disp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_DISP0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0", "disp0_mux",
+ apmu_base + APMU_DISP0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-disp.0");
+
+ clk = mmp_clk_register_apmu("disp0_hclk", "disp0_mux",
+ apmu_base + APMU_DISP0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "hclk", "mmp-disp.0");
+
+ clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_CCIC0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0", "ccic0_mux",
+ apmu_base + APMU_CCIC0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.0");
+
+ clk = clk_register_mux(NULL, "ccic0_phy_mux", ccic_phy_parent,
+ ARRAY_SIZE(ccic_phy_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_CCIC0, 7, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_phy_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_phy_mux",
+ apmu_base + APMU_CCIC0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.0");
+
+ clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div",
+ apmu_base + APMU_CCIC0, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0");
+}
diff --git a/drivers/clk/mmp/clk-pxa910.c b/drivers/clk/mmp/clk-pxa910.c
new file mode 100644
index 000000000..f254ceff3
--- /dev/null
+++ b/drivers/clk/mmp/clk-pxa910.c
@@ -0,0 +1,328 @@
+/*
+ * pxa910 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk/mmp.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+
+#include "clk.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x18
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_SSP0 0x1c
+#define APBC_SSP1 0x20
+#define APBC_SSP2 0x4c
+#define APBCP_TWSI1 0x28
+#define APBCP_UART2 0x1c
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+static DEFINE_SPINLOCK(clk_lock);
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static const char *uart_parent[] = {"pll1_3_16", "uart_pll"};
+static const char *ssp_parent[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+static const char *sdh_parent[] = {"pll1_12", "pll1_13"};
+static const char *disp_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent[] = {"pll1_6", "pll1_12"};
+
+void __init pxa910_clk_init(phys_addr_t mpmu_phys, phys_addr_t apmu_phys,
+ phys_addr_t apbc_phys, phys_addr_t apbcp_phys)
+{
+ struct clk *clk;
+ struct clk *uart_pll;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbcp_base;
+ void __iomem *apbc_base;
+
+ mpmu_base = ioremap(mpmu_phys, SZ_4K);
+ if (!mpmu_base) {
+ pr_err("error to ioremap MPMU base\n");
+ return;
+ }
+
+ apmu_base = ioremap(apmu_phys, SZ_4K);
+ if (!apmu_base) {
+ pr_err("error to ioremap APMU base\n");
+ return;
+ }
+
+ apbcp_base = ioremap(apbcp_phys, SZ_4K);
+ if (!apbcp_base) {
+ pr_err("error to ioremap APBC extension base\n");
+ return;
+ }
+
+ apbc_base = ioremap(apbc_phys, SZ_4K);
+ if (!apbc_base) {
+ pr_err("error to ioremap APBC base\n");
+ return;
+ }
+
+ clk = clk_register_fixed_rate(NULL, "clk32", NULL, 0, 3200);
+ clk_register_clkdev(clk, "clk32", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, 0, 26000000);
+ clk_register_clkdev(clk, "vctcxo", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll1", NULL, 0, 624000000);
+ clk_register_clkdev(clk, "pll1", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll1_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_24", "pll1_12",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_24", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_48", "pll1_24",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_48", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_96", "pll1_48",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_96", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13", "pll1",
+ CLK_SET_RATE_PARENT, 1, 13);
+ clk_register_clkdev(clk, "pll1_13", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_13_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_2_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_3_16", "pll1",
+ CLK_SET_RATE_PARENT, 3, 16);
+ clk_register_clkdev(clk, "pll1_3_16", NULL);
+
+ uart_pll = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
+ mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), &clk_lock);
+ clk_set_rate(uart_pll, 14745600);
+ clk_register_clkdev(uart_pll, "uart_pll", NULL);
+
+ clk = mmp_clk_register_apbc("twsi0", "pll1_13_1_5",
+ apbc_base + APBC_TWSI0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0");
+
+ clk = mmp_clk_register_apbc("twsi1", "pll1_13_1_5",
+ apbcp_base + APBCP_TWSI1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1");
+
+ clk = mmp_clk_register_apbc("gpio", "vctcxo",
+ apbc_base + APBC_GPIO, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-gpio");
+
+ clk = mmp_clk_register_apbc("kpc", "clk32",
+ apbc_base + APBC_KPC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa27x-keypad");
+
+ clk = mmp_clk_register_apbc("rtc", "clk32",
+ apbc_base + APBC_RTC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sa1100-rtc");
+
+ clk = mmp_clk_register_apbc("pwm0", "pll1_48",
+ apbc_base + APBC_PWM0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.0");
+
+ clk = mmp_clk_register_apbc("pwm1", "pll1_48",
+ apbc_base + APBC_PWM1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.1");
+
+ clk = mmp_clk_register_apbc("pwm2", "pll1_48",
+ apbc_base + APBC_PWM2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.2");
+
+ clk = mmp_clk_register_apbc("pwm3", "pll1_48",
+ apbc_base + APBC_PWM3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.3");
+
+ clk = clk_register_mux(NULL, "uart0_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART0, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("uart0", "uart0_mux",
+ apbc_base + APBC_UART0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.0");
+
+ clk = clk_register_mux(NULL, "uart1_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_UART1, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("uart1", "uart1_mux",
+ apbc_base + APBC_UART1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.1");
+
+ clk = clk_register_mux(NULL, "uart2_mux", uart_parent,
+ ARRAY_SIZE(uart_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbcp_base + APBCP_UART2, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("uart2", "uart2_mux",
+ apbcp_base + APBCP_UART2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.2");
+
+ clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("ssp0", "ssp0_mux",
+ apbc_base + APBC_SSP0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.0");
+
+ clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("ssp1", "ssp1_mux",
+ apbc_base + APBC_SSP1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.1");
+
+ clk = mmp_clk_register_apmu("dfc", "pll1_4",
+ apmu_base + APMU_DFC, 0x19b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa3xx-nand.0");
+
+ clk = clk_register_mux(NULL, "sdh0_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_SDH0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh0_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh0", "sdh_mux",
+ apmu_base + APMU_SDH0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.0");
+
+ clk = clk_register_mux(NULL, "sdh1_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_SDH1, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh1_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh1", "sdh1_mux",
+ apmu_base + APMU_SDH1, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.1");
+
+ clk = mmp_clk_register_apmu("usb", "usb_pll",
+ apmu_base + APMU_USB, 0x9, &clk_lock);
+ clk_register_clkdev(clk, "usb_clk", NULL);
+
+ clk = mmp_clk_register_apmu("sph", "usb_pll",
+ apmu_base + APMU_USB, 0x12, &clk_lock);
+ clk_register_clkdev(clk, "sph_clk", NULL);
+
+ clk = clk_register_mux(NULL, "disp0_mux", disp_parent,
+ ARRAY_SIZE(disp_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_DISP0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0", "disp0_mux",
+ apmu_base + APMU_DISP0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-disp.0");
+
+ clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_CCIC0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0", "ccic0_mux",
+ apmu_base + APMU_CCIC0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.0");
+
+ clk = clk_register_mux(NULL, "ccic0_phy_mux", ccic_phy_parent,
+ ARRAY_SIZE(ccic_phy_parent),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ apmu_base + APMU_CCIC0, 7, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_phy_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_phy_mux",
+ apmu_base + APMU_CCIC0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.0");
+
+ clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div",
+ apmu_base + APMU_CCIC0, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0");
+}
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c
new file mode 100644
index 000000000..ca7d37e2c
--- /dev/null
+++ b/drivers/clk/mmp/clk.c
@@ -0,0 +1,192 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/io.h>
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "clk.h"
+
+void mmp_clk_init(struct device_node *np, struct mmp_clk_unit *unit,
+ int nr_clks)
+{
+ struct clk **clk_table;
+
+ clk_table = kcalloc(nr_clks, sizeof(struct clk *), GFP_KERNEL);
+ if (!clk_table)
+ return;
+
+ unit->clk_table = clk_table;
+ unit->nr_clks = nr_clks;
+ unit->clk_data.clks = clk_table;
+ unit->clk_data.clk_num = nr_clks;
+ of_clk_add_provider(np, of_clk_src_onecell_get, &unit->clk_data);
+}
+
+void mmp_register_fixed_rate_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_fixed_rate_clk *clks,
+ int size)
+{
+ int i;
+ struct clk *clk;
+
+ for (i = 0; i < size; i++) {
+ clk = clk_register_fixed_rate(NULL, clks[i].name,
+ clks[i].parent_name,
+ clks[i].flags,
+ clks[i].fixed_rate);
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
+void mmp_register_fixed_factor_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_fixed_factor_clk *clks,
+ int size)
+{
+ struct clk *clk;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ clk = clk_register_fixed_factor(NULL, clks[i].name,
+ clks[i].parent_name,
+ clks[i].flags, clks[i].mult,
+ clks[i].div);
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
+void mmp_register_general_gate_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_general_gate_clk *clks,
+ void __iomem *base, int size)
+{
+ struct clk *clk;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ clk = clk_register_gate(NULL, clks[i].name,
+ clks[i].parent_name,
+ clks[i].flags,
+ base + clks[i].offset,
+ clks[i].bit_idx,
+ clks[i].gate_flags,
+ clks[i].lock);
+
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
+void mmp_register_gate_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_gate_clk *clks,
+ void __iomem *base, int size)
+{
+ struct clk *clk;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ clk = mmp_clk_register_gate(NULL, clks[i].name,
+ clks[i].parent_name,
+ clks[i].flags,
+ base + clks[i].offset,
+ clks[i].mask,
+ clks[i].val_enable,
+ clks[i].val_disable,
+ clks[i].gate_flags,
+ clks[i].lock);
+
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
+void mmp_register_mux_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_mux_clk *clks,
+ void __iomem *base, int size)
+{
+ struct clk *clk;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ clk = clk_register_mux(NULL, clks[i].name,
+ clks[i].parent_name,
+ clks[i].num_parents,
+ clks[i].flags,
+ base + clks[i].offset,
+ clks[i].shift,
+ clks[i].width,
+ clks[i].mux_flags,
+ clks[i].lock);
+
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
+void mmp_register_div_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_div_clk *clks,
+ void __iomem *base, int size)
+{
+ struct clk *clk;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ clk = clk_register_divider(NULL, clks[i].name,
+ clks[i].parent_name,
+ clks[i].flags,
+ base + clks[i].offset,
+ clks[i].shift,
+ clks[i].width,
+ clks[i].div_flags,
+ clks[i].lock);
+
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
+void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id,
+ struct clk *clk)
+{
+ if (IS_ERR_OR_NULL(clk)) {
+ pr_err("CLK %d has invalid pointer %p\n", id, clk);
+ return;
+ }
+ if (id >= unit->nr_clks) {
+ pr_err("CLK %d is invalid\n", id);
+ return;
+ }
+
+ unit->clk_table[id] = clk;
+}
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
new file mode 100644
index 000000000..55ac05379
--- /dev/null
+++ b/drivers/clk/mmp/clk.h
@@ -0,0 +1,265 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __MACH_MMP_CLK_H
+#define __MACH_MMP_CLK_H
+
+#include <linux/clk-provider.h>
+#include <linux/pm_domain.h>
+#include <linux/clkdev.h>
+
+#define APBC_NO_BUS_CTRL BIT(0)
+#define APBC_POWER_CTRL BIT(1)
+
+
+/* Clock type "factor" */
+struct mmp_clk_factor_masks {
+ unsigned int factor;
+ unsigned int num_mask;
+ unsigned int den_mask;
+ unsigned int num_shift;
+ unsigned int den_shift;
+ unsigned int enable_mask;
+};
+
+struct mmp_clk_factor_tbl {
+ unsigned int num;
+ unsigned int den;
+};
+
+struct mmp_clk_factor {
+ struct clk_hw hw;
+ void __iomem *base;
+ struct mmp_clk_factor_masks *masks;
+ struct mmp_clk_factor_tbl *ftbl;
+ unsigned int ftbl_cnt;
+ spinlock_t *lock;
+};
+
+extern struct clk *mmp_clk_register_factor(const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *base, struct mmp_clk_factor_masks *masks,
+ struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt,
+ spinlock_t *lock);
+
+/* Clock type "mix" */
+#define MMP_CLK_BITS_MASK(width, shift) \
+ (((1 << (width)) - 1) << (shift))
+#define MMP_CLK_BITS_GET_VAL(data, width, shift) \
+ ((data & MMP_CLK_BITS_MASK(width, shift)) >> (shift))
+#define MMP_CLK_BITS_SET_VAL(val, width, shift) \
+ (((val) << (shift)) & MMP_CLK_BITS_MASK(width, shift))
+
+enum {
+ MMP_CLK_MIX_TYPE_V1,
+ MMP_CLK_MIX_TYPE_V2,
+ MMP_CLK_MIX_TYPE_V3,
+};
+
+/* The register layout */
+struct mmp_clk_mix_reg_info {
+ void __iomem *reg_clk_ctrl;
+ void __iomem *reg_clk_sel;
+ u8 width_div;
+ u8 shift_div;
+ u8 width_mux;
+ u8 shift_mux;
+ u8 bit_fc;
+};
+
+/* The suggested clock table from user. */
+struct mmp_clk_mix_clk_table {
+ unsigned long rate;
+ u8 parent_index;
+ unsigned int divisor;
+ unsigned int valid;
+};
+
+struct mmp_clk_mix_config {
+ struct mmp_clk_mix_reg_info reg_info;
+ struct mmp_clk_mix_clk_table *table;
+ unsigned int table_size;
+ u32 *mux_table;
+ struct clk_div_table *div_table;
+ u8 div_flags;
+ u8 mux_flags;
+};
+
+struct mmp_clk_mix {
+ struct clk_hw hw;
+ struct mmp_clk_mix_reg_info reg_info;
+ struct mmp_clk_mix_clk_table *table;
+ u32 *mux_table;
+ struct clk_div_table *div_table;
+ unsigned int table_size;
+ u8 div_flags;
+ u8 mux_flags;
+ unsigned int type;
+ spinlock_t *lock;
+};
+
+extern const struct clk_ops mmp_clk_mix_ops;
+extern struct clk *mmp_clk_register_mix(struct device *dev,
+ const char *name,
+ const char * const *parent_names,
+ u8 num_parents,
+ unsigned long flags,
+ struct mmp_clk_mix_config *config,
+ spinlock_t *lock);
+
+
+/* Clock type "gate". MMP private gate */
+#define MMP_CLK_GATE_NEED_DELAY BIT(0)
+
+struct mmp_clk_gate {
+ struct clk_hw hw;
+ void __iomem *reg;
+ u32 mask;
+ u32 val_enable;
+ u32 val_disable;
+ unsigned int flags;
+ spinlock_t *lock;
+};
+
+extern const struct clk_ops mmp_clk_gate_ops;
+extern struct clk *mmp_clk_register_gate(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u32 mask, u32 val_enable,
+ u32 val_disable, unsigned int gate_flags,
+ spinlock_t *lock);
+
+extern struct clk *mmp_clk_register_apbc(const char *name,
+ const char *parent_name, void __iomem *base,
+ unsigned int delay, unsigned int apbc_flags, spinlock_t *lock);
+extern struct clk *mmp_clk_register_apmu(const char *name,
+ const char *parent_name, void __iomem *base, u32 enable_mask,
+ spinlock_t *lock);
+
+struct mmp_clk_unit {
+ unsigned int nr_clks;
+ struct clk **clk_table;
+ struct clk_onecell_data clk_data;
+};
+
+struct mmp_param_fixed_rate_clk {
+ unsigned int id;
+ char *name;
+ const char *parent_name;
+ unsigned long flags;
+ unsigned long fixed_rate;
+};
+void mmp_register_fixed_rate_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_fixed_rate_clk *clks,
+ int size);
+
+struct mmp_param_fixed_factor_clk {
+ unsigned int id;
+ char *name;
+ const char *parent_name;
+ unsigned long mult;
+ unsigned long div;
+ unsigned long flags;
+};
+void mmp_register_fixed_factor_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_fixed_factor_clk *clks,
+ int size);
+
+struct mmp_param_general_gate_clk {
+ unsigned int id;
+ const char *name;
+ const char *parent_name;
+ unsigned long flags;
+ unsigned long offset;
+ u8 bit_idx;
+ u8 gate_flags;
+ spinlock_t *lock;
+};
+void mmp_register_general_gate_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_general_gate_clk *clks,
+ void __iomem *base, int size);
+
+struct mmp_param_gate_clk {
+ unsigned int id;
+ char *name;
+ const char *parent_name;
+ unsigned long flags;
+ unsigned long offset;
+ u32 mask;
+ u32 val_enable;
+ u32 val_disable;
+ unsigned int gate_flags;
+ spinlock_t *lock;
+};
+void mmp_register_gate_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_gate_clk *clks,
+ void __iomem *base, int size);
+
+struct mmp_param_mux_clk {
+ unsigned int id;
+ char *name;
+ const char * const *parent_name;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long offset;
+ u8 shift;
+ u8 width;
+ u8 mux_flags;
+ spinlock_t *lock;
+};
+void mmp_register_mux_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_mux_clk *clks,
+ void __iomem *base, int size);
+
+struct mmp_param_div_clk {
+ unsigned int id;
+ char *name;
+ const char *parent_name;
+ unsigned long flags;
+ unsigned long offset;
+ u8 shift;
+ u8 width;
+ u8 div_flags;
+ spinlock_t *lock;
+};
+void mmp_register_div_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_div_clk *clks,
+ void __iomem *base, int size);
+
+struct mmp_param_pll_clk {
+ unsigned int id;
+ char *name;
+ unsigned long default_rate;
+ unsigned long enable_offset;
+ u32 enable;
+ unsigned long offset;
+ u8 shift;
+ /* MMP3 specific: */
+ unsigned long input_rate;
+ unsigned long postdiv_offset;
+ unsigned long postdiv_shift;
+};
+void mmp_register_pll_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_pll_clk *clks,
+ void __iomem *base, int size);
+
+#define DEFINE_MIX_REG_INFO(w_d, s_d, w_m, s_m, fc) \
+{ \
+ .width_div = (w_d), \
+ .shift_div = (s_d), \
+ .width_mux = (w_m), \
+ .shift_mux = (s_m), \
+ .bit_fc = (fc), \
+}
+
+void mmp_clk_init(struct device_node *np, struct mmp_clk_unit *unit,
+ int nr_clks);
+void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id,
+ struct clk *clk);
+
+/* Power islands */
+#define MMP_PM_DOMAIN_NO_DISABLE BIT(0)
+
+struct generic_pm_domain *mmp_pm_domain_register(const char *name,
+ void __iomem *reg,
+ u32 power_on, u32 reset, u32 clock_enable,
+ unsigned int flags, spinlock_t *lock);
+
+#endif
diff --git a/drivers/clk/mmp/pwr-island.c b/drivers/clk/mmp/pwr-island.c
new file mode 100644
index 000000000..ab57c0e99
--- /dev/null
+++ b/drivers/clk/mmp/pwr-island.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MMP PMU power island support
+ *
+ * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk>
+ */
+
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+
+#include "clk.h"
+
+#define to_mmp_pm_domain(genpd) container_of(genpd, struct mmp_pm_domain, genpd)
+
+struct mmp_pm_domain {
+ struct generic_pm_domain genpd;
+ void __iomem *reg;
+ spinlock_t *lock;
+ u32 power_on;
+ u32 reset;
+ u32 clock_enable;
+ unsigned int flags;
+};
+
+static int mmp_pm_domain_power_on(struct generic_pm_domain *genpd)
+{
+ struct mmp_pm_domain *pm_domain = to_mmp_pm_domain(genpd);
+ unsigned long flags = 0;
+ u32 val;
+
+ if (pm_domain->lock)
+ spin_lock_irqsave(pm_domain->lock, flags);
+
+ val = readl(pm_domain->reg);
+
+ /* Turn on the power island */
+ val |= pm_domain->power_on;
+ writel(val, pm_domain->reg);
+
+ /* Disable isolation */
+ val |= 0x100;
+ writel(val, pm_domain->reg);
+
+ /* Some blocks need to be reset after a power up */
+ if (pm_domain->reset || pm_domain->clock_enable) {
+ u32 after_power_on = val;
+
+ val &= ~pm_domain->reset;
+ writel(val, pm_domain->reg);
+
+ val |= pm_domain->clock_enable;
+ writel(val, pm_domain->reg);
+
+ val |= pm_domain->reset;
+ writel(val, pm_domain->reg);
+
+ writel(after_power_on, pm_domain->reg);
+ }
+
+ if (pm_domain->lock)
+ spin_unlock_irqrestore(pm_domain->lock, flags);
+
+ return 0;
+}
+
+static int mmp_pm_domain_power_off(struct generic_pm_domain *genpd)
+{
+ struct mmp_pm_domain *pm_domain = to_mmp_pm_domain(genpd);
+ unsigned long flags = 0;
+ u32 val;
+
+ if (pm_domain->flags & MMP_PM_DOMAIN_NO_DISABLE)
+ return 0;
+
+ if (pm_domain->lock)
+ spin_lock_irqsave(pm_domain->lock, flags);
+
+ /* Turn off and isolate the the power island. */
+ val = readl(pm_domain->reg);
+ val &= ~pm_domain->power_on;
+ val &= ~0x100;
+ writel(val, pm_domain->reg);
+
+ if (pm_domain->lock)
+ spin_unlock_irqrestore(pm_domain->lock, flags);
+
+ return 0;
+}
+
+struct generic_pm_domain *mmp_pm_domain_register(const char *name,
+ void __iomem *reg,
+ u32 power_on, u32 reset, u32 clock_enable,
+ unsigned int flags, spinlock_t *lock)
+{
+ struct mmp_pm_domain *pm_domain;
+
+ pm_domain = kzalloc(sizeof(*pm_domain), GFP_KERNEL);
+ if (!pm_domain)
+ return ERR_PTR(-ENOMEM);
+
+ pm_domain->reg = reg;
+ pm_domain->power_on = power_on;
+ pm_domain->reset = reset;
+ pm_domain->clock_enable = clock_enable;
+ pm_domain->flags = flags;
+ pm_domain->lock = lock;
+
+ pm_genpd_init(&pm_domain->genpd, NULL, true);
+ pm_domain->genpd.name = name;
+ pm_domain->genpd.power_on = mmp_pm_domain_power_on;
+ pm_domain->genpd.power_off = mmp_pm_domain_power_off;
+
+ return &pm_domain->genpd;
+}
diff --git a/drivers/clk/mmp/reset.c b/drivers/clk/mmp/reset.c
new file mode 100644
index 000000000..ded7e391c
--- /dev/null
+++ b/drivers/clk/mmp/reset.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/reset-controller.h>
+
+#include "reset.h"
+
+#define rcdev_to_unit(rcdev) container_of(rcdev, struct mmp_clk_reset_unit, rcdev)
+
+static int mmp_of_reset_xlate(struct reset_controller_dev *rcdev,
+ const struct of_phandle_args *reset_spec)
+{
+ struct mmp_clk_reset_unit *unit = rcdev_to_unit(rcdev);
+ struct mmp_clk_reset_cell *cell;
+ int i;
+
+ if (WARN_ON(reset_spec->args_count != rcdev->of_reset_n_cells))
+ return -EINVAL;
+
+ for (i = 0; i < rcdev->nr_resets; i++) {
+ cell = &unit->cells[i];
+ if (cell->clk_id == reset_spec->args[0])
+ break;
+ }
+
+ if (i == rcdev->nr_resets)
+ return -EINVAL;
+
+ return i;
+}
+
+static int mmp_clk_reset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct mmp_clk_reset_unit *unit = rcdev_to_unit(rcdev);
+ struct mmp_clk_reset_cell *cell;
+ unsigned long flags = 0;
+ u32 val;
+
+ cell = &unit->cells[id];
+ if (cell->lock)
+ spin_lock_irqsave(cell->lock, flags);
+
+ val = readl(cell->reg);
+ val |= cell->bits;
+ writel(val, cell->reg);
+
+ if (cell->lock)
+ spin_unlock_irqrestore(cell->lock, flags);
+
+ return 0;
+}
+
+static int mmp_clk_reset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct mmp_clk_reset_unit *unit = rcdev_to_unit(rcdev);
+ struct mmp_clk_reset_cell *cell;
+ unsigned long flags = 0;
+ u32 val;
+
+ cell = &unit->cells[id];
+ if (cell->lock)
+ spin_lock_irqsave(cell->lock, flags);
+
+ val = readl(cell->reg);
+ val &= ~cell->bits;
+ writel(val, cell->reg);
+
+ if (cell->lock)
+ spin_unlock_irqrestore(cell->lock, flags);
+
+ return 0;
+}
+
+static const struct reset_control_ops mmp_clk_reset_ops = {
+ .assert = mmp_clk_reset_assert,
+ .deassert = mmp_clk_reset_deassert,
+};
+
+void mmp_clk_reset_register(struct device_node *np,
+ struct mmp_clk_reset_cell *cells, int nr_resets)
+{
+ struct mmp_clk_reset_unit *unit;
+
+ unit = kzalloc(sizeof(*unit), GFP_KERNEL);
+ if (!unit)
+ return;
+
+ unit->cells = cells;
+ unit->rcdev.of_reset_n_cells = 1;
+ unit->rcdev.nr_resets = nr_resets;
+ unit->rcdev.ops = &mmp_clk_reset_ops;
+ unit->rcdev.of_node = np;
+ unit->rcdev.of_xlate = mmp_of_reset_xlate;
+
+ reset_controller_register(&unit->rcdev);
+}
diff --git a/drivers/clk/mmp/reset.h b/drivers/clk/mmp/reset.h
new file mode 100644
index 000000000..3d0470ca3
--- /dev/null
+++ b/drivers/clk/mmp/reset.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __MACH_MMP_CLK_RESET_H
+#define __MACH_MMP_CLK_RESET_H
+
+#include <linux/reset-controller.h>
+
+#define MMP_RESET_INVERT 1
+
+struct mmp_clk_reset_cell {
+ unsigned int clk_id;
+ void __iomem *reg;
+ u32 bits;
+ unsigned int flags;
+ spinlock_t *lock;
+};
+
+struct mmp_clk_reset_unit {
+ struct reset_controller_dev rcdev;
+ struct mmp_clk_reset_cell *cells;
+};
+
+#ifdef CONFIG_RESET_CONTROLLER
+void mmp_clk_reset_register(struct device_node *np,
+ struct mmp_clk_reset_cell *cells, int nr_resets);
+#else
+static inline void mmp_clk_reset_register(struct device_node *np,
+ struct mmp_clk_reset_cell *cells, int nr_resets)
+{
+}
+#endif
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 17:21:09 +0000