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-rw-r--r--drivers/clk/spear/Makefile11
-rw-r--r--drivers/clk/spear/clk-aux-synth.c197
-rw-r--r--drivers/clk/spear/clk-frac-synth.c163
-rw-r--r--drivers/clk/spear/clk-gpt-synth.c152
-rw-r--r--drivers/clk/spear/clk-vco-pll.c359
-rw-r--r--drivers/clk/spear/clk.c39
-rw-r--r--drivers/clk/spear/clk.h134
-rw-r--r--drivers/clk/spear/spear1310_clock.c1122
-rw-r--r--drivers/clk/spear/spear1340_clock.c1015
-rw-r--r--drivers/clk/spear/spear3xx_clock.c667
-rw-r--r--drivers/clk/spear/spear6xx_clock.c340
11 files changed, 4199 insertions, 0 deletions
diff --git a/drivers/clk/spear/Makefile b/drivers/clk/spear/Makefile
new file mode 100644
index 000000000..d7e75d2d4
--- /dev/null
+++ b/drivers/clk/spear/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# SPEAr Clock specific Makefile
+#
+
+obj-y += clk.o clk-aux-synth.o clk-frac-synth.o clk-gpt-synth.o clk-vco-pll.o
+
+obj-$(CONFIG_ARCH_SPEAR3XX) += spear3xx_clock.o
+obj-$(CONFIG_ARCH_SPEAR6XX) += spear6xx_clock.o
+obj-$(CONFIG_MACH_SPEAR1310) += spear1310_clock.o
+obj-$(CONFIG_MACH_SPEAR1340) += spear1340_clock.o
diff --git a/drivers/clk/spear/clk-aux-synth.c b/drivers/clk/spear/clk-aux-synth.c
new file mode 100644
index 000000000..906410413
--- /dev/null
+++ b/drivers/clk/spear/clk-aux-synth.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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.
+ *
+ * Auxiliary Synthesizer clock implementation
+ */
+
+#define pr_fmt(fmt) "clk-aux-synth: " fmt
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include "clk.h"
+
+/*
+ * DOC: Auxiliary Synthesizer clock
+ *
+ * Aux synth gives rate for different values of eq, x and y
+ *
+ * Fout from synthesizer can be given from two equations:
+ * Fout1 = (Fin * X/Y)/2 EQ1
+ * Fout2 = Fin * X/Y EQ2
+ */
+
+#define to_clk_aux(_hw) container_of(_hw, struct clk_aux, hw)
+
+static const struct aux_clk_masks default_aux_masks = {
+ .eq_sel_mask = AUX_EQ_SEL_MASK,
+ .eq_sel_shift = AUX_EQ_SEL_SHIFT,
+ .eq1_mask = AUX_EQ1_SEL,
+ .eq2_mask = AUX_EQ2_SEL,
+ .xscale_sel_mask = AUX_XSCALE_MASK,
+ .xscale_sel_shift = AUX_XSCALE_SHIFT,
+ .yscale_sel_mask = AUX_YSCALE_MASK,
+ .yscale_sel_shift = AUX_YSCALE_SHIFT,
+ .enable_bit = AUX_SYNT_ENB,
+};
+
+static unsigned long aux_calc_rate(struct clk_hw *hw, unsigned long prate,
+ int index)
+{
+ struct clk_aux *aux = to_clk_aux(hw);
+ struct aux_rate_tbl *rtbl = aux->rtbl;
+ u8 eq = rtbl[index].eq ? 1 : 2;
+
+ return (((prate / 10000) * rtbl[index].xscale) /
+ (rtbl[index].yscale * eq)) * 10000;
+}
+
+static long clk_aux_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ struct clk_aux *aux = to_clk_aux(hw);
+ int unused;
+
+ return clk_round_rate_index(hw, drate, *prate, aux_calc_rate,
+ aux->rtbl_cnt, &unused);
+}
+
+static unsigned long clk_aux_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_aux *aux = to_clk_aux(hw);
+ unsigned int num = 1, den = 1, val, eqn;
+ unsigned long flags = 0;
+
+ if (aux->lock)
+ spin_lock_irqsave(aux->lock, flags);
+
+ val = readl_relaxed(aux->reg);
+
+ if (aux->lock)
+ spin_unlock_irqrestore(aux->lock, flags);
+
+ eqn = (val >> aux->masks->eq_sel_shift) & aux->masks->eq_sel_mask;
+ if (eqn == aux->masks->eq1_mask)
+ den = 2;
+
+ /* calculate numerator */
+ num = (val >> aux->masks->xscale_sel_shift) &
+ aux->masks->xscale_sel_mask;
+
+ /* calculate denominator */
+ den *= (val >> aux->masks->yscale_sel_shift) &
+ aux->masks->yscale_sel_mask;
+
+ if (!den)
+ return 0;
+
+ return (((parent_rate / 10000) * num) / den) * 10000;
+}
+
+/* Configures new clock rate of aux */
+static int clk_aux_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_aux *aux = to_clk_aux(hw);
+ struct aux_rate_tbl *rtbl = aux->rtbl;
+ unsigned long val, flags = 0;
+ int i;
+
+ clk_round_rate_index(hw, drate, prate, aux_calc_rate, aux->rtbl_cnt,
+ &i);
+
+ if (aux->lock)
+ spin_lock_irqsave(aux->lock, flags);
+
+ val = readl_relaxed(aux->reg) &
+ ~(aux->masks->eq_sel_mask << aux->masks->eq_sel_shift);
+ val |= (rtbl[i].eq & aux->masks->eq_sel_mask) <<
+ aux->masks->eq_sel_shift;
+ val &= ~(aux->masks->xscale_sel_mask << aux->masks->xscale_sel_shift);
+ val |= (rtbl[i].xscale & aux->masks->xscale_sel_mask) <<
+ aux->masks->xscale_sel_shift;
+ val &= ~(aux->masks->yscale_sel_mask << aux->masks->yscale_sel_shift);
+ val |= (rtbl[i].yscale & aux->masks->yscale_sel_mask) <<
+ aux->masks->yscale_sel_shift;
+ writel_relaxed(val, aux->reg);
+
+ if (aux->lock)
+ spin_unlock_irqrestore(aux->lock, flags);
+
+ return 0;
+}
+
+static const struct clk_ops clk_aux_ops = {
+ .recalc_rate = clk_aux_recalc_rate,
+ .round_rate = clk_aux_round_rate,
+ .set_rate = clk_aux_set_rate,
+};
+
+struct clk *clk_register_aux(const char *aux_name, const char *gate_name,
+ const char *parent_name, unsigned long flags, void __iomem *reg,
+ const struct aux_clk_masks *masks, struct aux_rate_tbl *rtbl,
+ u8 rtbl_cnt, spinlock_t *lock, struct clk **gate_clk)
+{
+ struct clk_aux *aux;
+ struct clk_init_data init;
+ struct clk *clk;
+
+ if (!aux_name || !parent_name || !reg || !rtbl || !rtbl_cnt) {
+ pr_err("Invalid arguments passed");
+ return ERR_PTR(-EINVAL);
+ }
+
+ aux = kzalloc(sizeof(*aux), GFP_KERNEL);
+ if (!aux)
+ return ERR_PTR(-ENOMEM);
+
+ /* struct clk_aux assignments */
+ if (!masks)
+ aux->masks = &default_aux_masks;
+ else
+ aux->masks = masks;
+
+ aux->reg = reg;
+ aux->rtbl = rtbl;
+ aux->rtbl_cnt = rtbl_cnt;
+ aux->lock = lock;
+ aux->hw.init = &init;
+
+ init.name = aux_name;
+ init.ops = &clk_aux_ops;
+ init.flags = flags;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ clk = clk_register(NULL, &aux->hw);
+ if (IS_ERR_OR_NULL(clk))
+ goto free_aux;
+
+ if (gate_name) {
+ struct clk *tgate_clk;
+
+ tgate_clk = clk_register_gate(NULL, gate_name, aux_name,
+ CLK_SET_RATE_PARENT, reg,
+ aux->masks->enable_bit, 0, lock);
+ if (IS_ERR_OR_NULL(tgate_clk))
+ goto free_aux;
+
+ if (gate_clk)
+ *gate_clk = tgate_clk;
+ }
+
+ return clk;
+
+free_aux:
+ kfree(aux);
+ pr_err("clk register failed\n");
+
+ return NULL;
+}
diff --git a/drivers/clk/spear/clk-frac-synth.c b/drivers/clk/spear/clk-frac-synth.c
new file mode 100644
index 000000000..f5be02205
--- /dev/null
+++ b/drivers/clk/spear/clk-frac-synth.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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.
+ *
+ * Fractional Synthesizer clock implementation
+ */
+
+#define pr_fmt(fmt) "clk-frac-synth: " fmt
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include "clk.h"
+
+#define DIV_FACTOR_MASK 0x1FFFF
+
+/*
+ * DOC: Fractional Synthesizer clock
+ *
+ * Fout from synthesizer can be given from below equation:
+ *
+ * Fout= Fin/2*div (division factor)
+ * div is 17 bits:-
+ * 0-13 (fractional part)
+ * 14-16 (integer part)
+ * div is (16-14 bits).(13-0 bits) (in binary)
+ *
+ * Fout = Fin/(2 * div)
+ * Fout = ((Fin / 10000)/(2 * div)) * 10000
+ * Fout = (2^14 * (Fin / 10000)/(2^14 * (2 * div))) * 10000
+ * Fout = (((Fin / 10000) << 14)/(2 * (div << 14))) * 10000
+ *
+ * div << 14 simply 17 bit value written at register.
+ * Max error due to scaling down by 10000 is 10 KHz
+ */
+
+#define to_clk_frac(_hw) container_of(_hw, struct clk_frac, hw)
+
+static unsigned long frac_calc_rate(struct clk_hw *hw, unsigned long prate,
+ int index)
+{
+ struct clk_frac *frac = to_clk_frac(hw);
+ struct frac_rate_tbl *rtbl = frac->rtbl;
+
+ prate /= 10000;
+ prate <<= 14;
+ prate /= (2 * rtbl[index].div);
+ prate *= 10000;
+
+ return prate;
+}
+
+static long clk_frac_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ struct clk_frac *frac = to_clk_frac(hw);
+ int unused;
+
+ return clk_round_rate_index(hw, drate, *prate, frac_calc_rate,
+ frac->rtbl_cnt, &unused);
+}
+
+static unsigned long clk_frac_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_frac *frac = to_clk_frac(hw);
+ unsigned long flags = 0;
+ unsigned int div = 1, val;
+
+ if (frac->lock)
+ spin_lock_irqsave(frac->lock, flags);
+
+ val = readl_relaxed(frac->reg);
+
+ if (frac->lock)
+ spin_unlock_irqrestore(frac->lock, flags);
+
+ div = val & DIV_FACTOR_MASK;
+
+ if (!div)
+ return 0;
+
+ parent_rate = parent_rate / 10000;
+
+ parent_rate = (parent_rate << 14) / (2 * div);
+ return parent_rate * 10000;
+}
+
+/* Configures new clock rate of frac */
+static int clk_frac_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_frac *frac = to_clk_frac(hw);
+ struct frac_rate_tbl *rtbl = frac->rtbl;
+ unsigned long flags = 0, val;
+ int i;
+
+ clk_round_rate_index(hw, drate, prate, frac_calc_rate, frac->rtbl_cnt,
+ &i);
+
+ if (frac->lock)
+ spin_lock_irqsave(frac->lock, flags);
+
+ val = readl_relaxed(frac->reg) & ~DIV_FACTOR_MASK;
+ val |= rtbl[i].div & DIV_FACTOR_MASK;
+ writel_relaxed(val, frac->reg);
+
+ if (frac->lock)
+ spin_unlock_irqrestore(frac->lock, flags);
+
+ return 0;
+}
+
+static const struct clk_ops clk_frac_ops = {
+ .recalc_rate = clk_frac_recalc_rate,
+ .round_rate = clk_frac_round_rate,
+ .set_rate = clk_frac_set_rate,
+};
+
+struct clk *clk_register_frac(const char *name, const char *parent_name,
+ unsigned long flags, void __iomem *reg,
+ struct frac_rate_tbl *rtbl, u8 rtbl_cnt, spinlock_t *lock)
+{
+ struct clk_init_data init;
+ struct clk_frac *frac;
+ struct clk *clk;
+
+ if (!name || !parent_name || !reg || !rtbl || !rtbl_cnt) {
+ pr_err("Invalid arguments passed\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ frac = kzalloc(sizeof(*frac), GFP_KERNEL);
+ if (!frac)
+ return ERR_PTR(-ENOMEM);
+
+ /* struct clk_frac assignments */
+ frac->reg = reg;
+ frac->rtbl = rtbl;
+ frac->rtbl_cnt = rtbl_cnt;
+ frac->lock = lock;
+ frac->hw.init = &init;
+
+ init.name = name;
+ init.ops = &clk_frac_ops;
+ init.flags = flags;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ clk = clk_register(NULL, &frac->hw);
+ if (!IS_ERR_OR_NULL(clk))
+ return clk;
+
+ pr_err("clk register failed\n");
+ kfree(frac);
+
+ return NULL;
+}
diff --git a/drivers/clk/spear/clk-gpt-synth.c b/drivers/clk/spear/clk-gpt-synth.c
new file mode 100644
index 000000000..6ed406d94
--- /dev/null
+++ b/drivers/clk/spear/clk-gpt-synth.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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.
+ *
+ * General Purpose Timer Synthesizer clock implementation
+ */
+
+#define pr_fmt(fmt) "clk-gpt-synth: " fmt
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include "clk.h"
+
+#define GPT_MSCALE_MASK 0xFFF
+#define GPT_NSCALE_SHIFT 12
+#define GPT_NSCALE_MASK 0xF
+
+/*
+ * DOC: General Purpose Timer Synthesizer clock
+ *
+ * Calculates gpt synth clk rate for different values of mscale and nscale
+ *
+ * Fout= Fin/((2 ^ (N+1)) * (M+1))
+ */
+
+#define to_clk_gpt(_hw) container_of(_hw, struct clk_gpt, hw)
+
+static unsigned long gpt_calc_rate(struct clk_hw *hw, unsigned long prate,
+ int index)
+{
+ struct clk_gpt *gpt = to_clk_gpt(hw);
+ struct gpt_rate_tbl *rtbl = gpt->rtbl;
+
+ prate /= ((1 << (rtbl[index].nscale + 1)) * (rtbl[index].mscale + 1));
+
+ return prate;
+}
+
+static long clk_gpt_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ struct clk_gpt *gpt = to_clk_gpt(hw);
+ int unused;
+
+ return clk_round_rate_index(hw, drate, *prate, gpt_calc_rate,
+ gpt->rtbl_cnt, &unused);
+}
+
+static unsigned long clk_gpt_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_gpt *gpt = to_clk_gpt(hw);
+ unsigned long flags = 0;
+ unsigned int div = 1, val;
+
+ if (gpt->lock)
+ spin_lock_irqsave(gpt->lock, flags);
+
+ val = readl_relaxed(gpt->reg);
+
+ if (gpt->lock)
+ spin_unlock_irqrestore(gpt->lock, flags);
+
+ div += val & GPT_MSCALE_MASK;
+ div *= 1 << (((val >> GPT_NSCALE_SHIFT) & GPT_NSCALE_MASK) + 1);
+
+ if (!div)
+ return 0;
+
+ return parent_rate / div;
+}
+
+/* Configures new clock rate of gpt */
+static int clk_gpt_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_gpt *gpt = to_clk_gpt(hw);
+ struct gpt_rate_tbl *rtbl = gpt->rtbl;
+ unsigned long flags = 0, val;
+ int i;
+
+ clk_round_rate_index(hw, drate, prate, gpt_calc_rate, gpt->rtbl_cnt,
+ &i);
+
+ if (gpt->lock)
+ spin_lock_irqsave(gpt->lock, flags);
+
+ val = readl(gpt->reg) & ~GPT_MSCALE_MASK;
+ val &= ~(GPT_NSCALE_MASK << GPT_NSCALE_SHIFT);
+
+ val |= rtbl[i].mscale & GPT_MSCALE_MASK;
+ val |= (rtbl[i].nscale & GPT_NSCALE_MASK) << GPT_NSCALE_SHIFT;
+
+ writel_relaxed(val, gpt->reg);
+
+ if (gpt->lock)
+ spin_unlock_irqrestore(gpt->lock, flags);
+
+ return 0;
+}
+
+static const struct clk_ops clk_gpt_ops = {
+ .recalc_rate = clk_gpt_recalc_rate,
+ .round_rate = clk_gpt_round_rate,
+ .set_rate = clk_gpt_set_rate,
+};
+
+struct clk *clk_register_gpt(const char *name, const char *parent_name, unsigned
+ long flags, void __iomem *reg, struct gpt_rate_tbl *rtbl, u8
+ rtbl_cnt, spinlock_t *lock)
+{
+ struct clk_init_data init;
+ struct clk_gpt *gpt;
+ struct clk *clk;
+
+ if (!name || !parent_name || !reg || !rtbl || !rtbl_cnt) {
+ pr_err("Invalid arguments passed\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ gpt = kzalloc(sizeof(*gpt), GFP_KERNEL);
+ if (!gpt)
+ return ERR_PTR(-ENOMEM);
+
+ /* struct clk_gpt assignments */
+ gpt->reg = reg;
+ gpt->rtbl = rtbl;
+ gpt->rtbl_cnt = rtbl_cnt;
+ gpt->lock = lock;
+ gpt->hw.init = &init;
+
+ init.name = name;
+ init.ops = &clk_gpt_ops;
+ init.flags = flags;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ clk = clk_register(NULL, &gpt->hw);
+ if (!IS_ERR_OR_NULL(clk))
+ return clk;
+
+ pr_err("clk register failed\n");
+ kfree(gpt);
+
+ return NULL;
+}
diff --git a/drivers/clk/spear/clk-vco-pll.c b/drivers/clk/spear/clk-vco-pll.c
new file mode 100644
index 000000000..c08dec30b
--- /dev/null
+++ b/drivers/clk/spear/clk-vco-pll.c
@@ -0,0 +1,359 @@
+/*
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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.
+ *
+ * VCO-PLL clock implementation
+ */
+
+#define pr_fmt(fmt) "clk-vco-pll: " fmt
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include "clk.h"
+
+/*
+ * DOC: VCO-PLL clock
+ *
+ * VCO and PLL rate are derived from following equations:
+ *
+ * In normal mode
+ * vco = (2 * M[15:8] * Fin)/N
+ *
+ * In Dithered mode
+ * vco = (2 * M[15:0] * Fin)/(256 * N)
+ *
+ * pll_rate = pll/2^p
+ *
+ * vco and pll are very closely bound to each other, "vco needs to program:
+ * mode, m & n" and "pll needs to program p", both share common enable/disable
+ * logic.
+ *
+ * clk_register_vco_pll() registers instances of both vco & pll.
+ * CLK_SET_RATE_PARENT flag is forced for pll, as it will always pass its
+ * set_rate to vco. A single rate table exists for both the clocks, which
+ * configures m, n and p.
+ */
+
+/* PLL_CTR register masks */
+#define PLL_MODE_NORMAL 0
+#define PLL_MODE_FRACTION 1
+#define PLL_MODE_DITH_DSM 2
+#define PLL_MODE_DITH_SSM 3
+#define PLL_MODE_MASK 3
+#define PLL_MODE_SHIFT 3
+#define PLL_ENABLE 2
+
+#define PLL_LOCK_SHIFT 0
+#define PLL_LOCK_MASK 1
+
+/* PLL FRQ register masks */
+#define PLL_NORM_FDBK_M_MASK 0xFF
+#define PLL_NORM_FDBK_M_SHIFT 24
+#define PLL_DITH_FDBK_M_MASK 0xFFFF
+#define PLL_DITH_FDBK_M_SHIFT 16
+#define PLL_DIV_P_MASK 0x7
+#define PLL_DIV_P_SHIFT 8
+#define PLL_DIV_N_MASK 0xFF
+#define PLL_DIV_N_SHIFT 0
+
+#define to_clk_vco(_hw) container_of(_hw, struct clk_vco, hw)
+#define to_clk_pll(_hw) container_of(_hw, struct clk_pll, hw)
+
+/* Calculates pll clk rate for specific value of mode, m, n and p */
+static unsigned long pll_calc_rate(struct pll_rate_tbl *rtbl,
+ unsigned long prate, int index, unsigned long *pll_rate)
+{
+ unsigned long rate = prate;
+ unsigned int mode;
+
+ mode = rtbl[index].mode ? 256 : 1;
+ rate = (((2 * rate / 10000) * rtbl[index].m) / (mode * rtbl[index].n));
+
+ if (pll_rate)
+ *pll_rate = (rate / (1 << rtbl[index].p)) * 10000;
+
+ return rate * 10000;
+}
+
+static long clk_pll_round_rate_index(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate, int *index)
+{
+ struct clk_pll *pll = to_clk_pll(hw);
+ unsigned long prev_rate, vco_prev_rate, rate = 0;
+ unsigned long vco_parent_rate =
+ clk_hw_get_rate(clk_hw_get_parent(clk_hw_get_parent(hw)));
+
+ if (!prate) {
+ pr_err("%s: prate is must for pll clk\n", __func__);
+ return -EINVAL;
+ }
+
+ for (*index = 0; *index < pll->vco->rtbl_cnt; (*index)++) {
+ prev_rate = rate;
+ vco_prev_rate = *prate;
+ *prate = pll_calc_rate(pll->vco->rtbl, vco_parent_rate, *index,
+ &rate);
+ if (drate < rate) {
+ /* previous clock was best */
+ if (*index) {
+ rate = prev_rate;
+ *prate = vco_prev_rate;
+ (*index)--;
+ }
+ break;
+ }
+ }
+
+ return rate;
+}
+
+static long clk_pll_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ int unused;
+
+ return clk_pll_round_rate_index(hw, drate, prate, &unused);
+}
+
+static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, unsigned long
+ parent_rate)
+{
+ struct clk_pll *pll = to_clk_pll(hw);
+ unsigned long flags = 0;
+ unsigned int p;
+
+ if (pll->vco->lock)
+ spin_lock_irqsave(pll->vco->lock, flags);
+
+ p = readl_relaxed(pll->vco->cfg_reg);
+
+ if (pll->vco->lock)
+ spin_unlock_irqrestore(pll->vco->lock, flags);
+
+ p = (p >> PLL_DIV_P_SHIFT) & PLL_DIV_P_MASK;
+
+ return parent_rate / (1 << p);
+}
+
+static int clk_pll_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_pll *pll = to_clk_pll(hw);
+ struct pll_rate_tbl *rtbl = pll->vco->rtbl;
+ unsigned long flags = 0, val;
+ int uninitialized_var(i);
+
+ clk_pll_round_rate_index(hw, drate, NULL, &i);
+
+ if (pll->vco->lock)
+ spin_lock_irqsave(pll->vco->lock, flags);
+
+ val = readl_relaxed(pll->vco->cfg_reg);
+ val &= ~(PLL_DIV_P_MASK << PLL_DIV_P_SHIFT);
+ val |= (rtbl[i].p & PLL_DIV_P_MASK) << PLL_DIV_P_SHIFT;
+ writel_relaxed(val, pll->vco->cfg_reg);
+
+ if (pll->vco->lock)
+ spin_unlock_irqrestore(pll->vco->lock, flags);
+
+ return 0;
+}
+
+static const struct clk_ops clk_pll_ops = {
+ .recalc_rate = clk_pll_recalc_rate,
+ .round_rate = clk_pll_round_rate,
+ .set_rate = clk_pll_set_rate,
+};
+
+static inline unsigned long vco_calc_rate(struct clk_hw *hw,
+ unsigned long prate, int index)
+{
+ struct clk_vco *vco = to_clk_vco(hw);
+
+ return pll_calc_rate(vco->rtbl, prate, index, NULL);
+}
+
+static long clk_vco_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ struct clk_vco *vco = to_clk_vco(hw);
+ int unused;
+
+ return clk_round_rate_index(hw, drate, *prate, vco_calc_rate,
+ vco->rtbl_cnt, &unused);
+}
+
+static unsigned long clk_vco_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_vco *vco = to_clk_vco(hw);
+ unsigned long flags = 0;
+ unsigned int num = 2, den = 0, val, mode = 0;
+
+ if (vco->lock)
+ spin_lock_irqsave(vco->lock, flags);
+
+ mode = (readl_relaxed(vco->mode_reg) >> PLL_MODE_SHIFT) & PLL_MODE_MASK;
+
+ val = readl_relaxed(vco->cfg_reg);
+
+ if (vco->lock)
+ spin_unlock_irqrestore(vco->lock, flags);
+
+ den = (val >> PLL_DIV_N_SHIFT) & PLL_DIV_N_MASK;
+
+ /* calculate numerator & denominator */
+ if (!mode) {
+ /* Normal mode */
+ num *= (val >> PLL_NORM_FDBK_M_SHIFT) & PLL_NORM_FDBK_M_MASK;
+ } else {
+ /* Dithered mode */
+ num *= (val >> PLL_DITH_FDBK_M_SHIFT) & PLL_DITH_FDBK_M_MASK;
+ den *= 256;
+ }
+
+ if (!den) {
+ WARN(1, "%s: denominator can't be zero\n", __func__);
+ return 0;
+ }
+
+ return (((parent_rate / 10000) * num) / den) * 10000;
+}
+
+/* Configures new clock rate of vco */
+static int clk_vco_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_vco *vco = to_clk_vco(hw);
+ struct pll_rate_tbl *rtbl = vco->rtbl;
+ unsigned long flags = 0, val;
+ int i;
+
+ clk_round_rate_index(hw, drate, prate, vco_calc_rate, vco->rtbl_cnt,
+ &i);
+
+ if (vco->lock)
+ spin_lock_irqsave(vco->lock, flags);
+
+ val = readl_relaxed(vco->mode_reg);
+ val &= ~(PLL_MODE_MASK << PLL_MODE_SHIFT);
+ val |= (rtbl[i].mode & PLL_MODE_MASK) << PLL_MODE_SHIFT;
+ writel_relaxed(val, vco->mode_reg);
+
+ val = readl_relaxed(vco->cfg_reg);
+ val &= ~(PLL_DIV_N_MASK << PLL_DIV_N_SHIFT);
+ val |= (rtbl[i].n & PLL_DIV_N_MASK) << PLL_DIV_N_SHIFT;
+
+ val &= ~(PLL_DITH_FDBK_M_MASK << PLL_DITH_FDBK_M_SHIFT);
+ if (rtbl[i].mode)
+ val |= (rtbl[i].m & PLL_DITH_FDBK_M_MASK) <<
+ PLL_DITH_FDBK_M_SHIFT;
+ else
+ val |= (rtbl[i].m & PLL_NORM_FDBK_M_MASK) <<
+ PLL_NORM_FDBK_M_SHIFT;
+
+ writel_relaxed(val, vco->cfg_reg);
+
+ if (vco->lock)
+ spin_unlock_irqrestore(vco->lock, flags);
+
+ return 0;
+}
+
+static const struct clk_ops clk_vco_ops = {
+ .recalc_rate = clk_vco_recalc_rate,
+ .round_rate = clk_vco_round_rate,
+ .set_rate = clk_vco_set_rate,
+};
+
+struct clk *clk_register_vco_pll(const char *vco_name, const char *pll_name,
+ const char *vco_gate_name, const char *parent_name,
+ unsigned long flags, void __iomem *mode_reg, void __iomem
+ *cfg_reg, struct pll_rate_tbl *rtbl, u8 rtbl_cnt,
+ spinlock_t *lock, struct clk **pll_clk,
+ struct clk **vco_gate_clk)
+{
+ struct clk_vco *vco;
+ struct clk_pll *pll;
+ struct clk *vco_clk, *tpll_clk, *tvco_gate_clk;
+ struct clk_init_data vco_init, pll_init;
+ const char **vco_parent_name;
+
+ if (!vco_name || !pll_name || !parent_name || !mode_reg || !cfg_reg ||
+ !rtbl || !rtbl_cnt) {
+ pr_err("Invalid arguments passed");
+ return ERR_PTR(-EINVAL);
+ }
+
+ vco = kzalloc(sizeof(*vco), GFP_KERNEL);
+ if (!vco)
+ return ERR_PTR(-ENOMEM);
+
+ pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+ if (!pll)
+ goto free_vco;
+
+ /* struct clk_vco assignments */
+ vco->mode_reg = mode_reg;
+ vco->cfg_reg = cfg_reg;
+ vco->rtbl = rtbl;
+ vco->rtbl_cnt = rtbl_cnt;
+ vco->lock = lock;
+ vco->hw.init = &vco_init;
+
+ pll->vco = vco;
+ pll->hw.init = &pll_init;
+
+ if (vco_gate_name) {
+ tvco_gate_clk = clk_register_gate(NULL, vco_gate_name,
+ parent_name, 0, mode_reg, PLL_ENABLE, 0, lock);
+ if (IS_ERR_OR_NULL(tvco_gate_clk))
+ goto free_pll;
+
+ if (vco_gate_clk)
+ *vco_gate_clk = tvco_gate_clk;
+ vco_parent_name = &vco_gate_name;
+ } else {
+ vco_parent_name = &parent_name;
+ }
+
+ vco_init.name = vco_name;
+ vco_init.ops = &clk_vco_ops;
+ vco_init.flags = flags;
+ vco_init.parent_names = vco_parent_name;
+ vco_init.num_parents = 1;
+
+ pll_init.name = pll_name;
+ pll_init.ops = &clk_pll_ops;
+ pll_init.flags = CLK_SET_RATE_PARENT;
+ pll_init.parent_names = &vco_name;
+ pll_init.num_parents = 1;
+
+ vco_clk = clk_register(NULL, &vco->hw);
+ if (IS_ERR_OR_NULL(vco_clk))
+ goto free_pll;
+
+ tpll_clk = clk_register(NULL, &pll->hw);
+ if (IS_ERR_OR_NULL(tpll_clk))
+ goto free_pll;
+
+ if (pll_clk)
+ *pll_clk = tpll_clk;
+
+ return vco_clk;
+
+free_pll:
+ kfree(pll);
+free_vco:
+ kfree(vco);
+
+ pr_err("Failed to register vco pll clock\n");
+
+ return ERR_PTR(-ENOMEM);
+}
diff --git a/drivers/clk/spear/clk.c b/drivers/clk/spear/clk.c
new file mode 100644
index 000000000..157fe099e
--- /dev/null
+++ b/drivers/clk/spear/clk.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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.
+ *
+ * SPEAr clk - Common routines
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/types.h>
+#include "clk.h"
+
+long clk_round_rate_index(struct clk_hw *hw, unsigned long drate,
+ unsigned long parent_rate, clk_calc_rate calc_rate, u8 rtbl_cnt,
+ int *index)
+{
+ unsigned long prev_rate, rate = 0;
+
+ for (*index = 0; *index < rtbl_cnt; (*index)++) {
+ prev_rate = rate;
+ rate = calc_rate(hw, parent_rate, *index);
+ if (drate < rate) {
+ /* previous clock was best */
+ if (*index) {
+ rate = prev_rate;
+ (*index)--;
+ }
+ break;
+ }
+ }
+
+ if ((*index) == rtbl_cnt)
+ (*index)--;
+
+ return rate;
+}
diff --git a/drivers/clk/spear/clk.h b/drivers/clk/spear/clk.h
new file mode 100644
index 000000000..af0e25f49
--- /dev/null
+++ b/drivers/clk/spear/clk.h
@@ -0,0 +1,134 @@
+/*
+ * Clock framework definitions for SPEAr platform
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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.
+ */
+
+#ifndef __SPEAR_CLK_H
+#define __SPEAR_CLK_H
+
+#include <linux/clk-provider.h>
+#include <linux/spinlock_types.h>
+#include <linux/types.h>
+
+/* Auxiliary Synth clk */
+/* Default masks */
+#define AUX_EQ_SEL_SHIFT 30
+#define AUX_EQ_SEL_MASK 1
+#define AUX_EQ1_SEL 0
+#define AUX_EQ2_SEL 1
+#define AUX_XSCALE_SHIFT 16
+#define AUX_XSCALE_MASK 0xFFF
+#define AUX_YSCALE_SHIFT 0
+#define AUX_YSCALE_MASK 0xFFF
+#define AUX_SYNT_ENB 31
+
+struct aux_clk_masks {
+ u32 eq_sel_mask;
+ u32 eq_sel_shift;
+ u32 eq1_mask;
+ u32 eq2_mask;
+ u32 xscale_sel_mask;
+ u32 xscale_sel_shift;
+ u32 yscale_sel_mask;
+ u32 yscale_sel_shift;
+ u32 enable_bit;
+};
+
+struct aux_rate_tbl {
+ u16 xscale;
+ u16 yscale;
+ u8 eq;
+};
+
+struct clk_aux {
+ struct clk_hw hw;
+ void __iomem *reg;
+ const struct aux_clk_masks *masks;
+ struct aux_rate_tbl *rtbl;
+ u8 rtbl_cnt;
+ spinlock_t *lock;
+};
+
+/* Fractional Synth clk */
+struct frac_rate_tbl {
+ u32 div;
+};
+
+struct clk_frac {
+ struct clk_hw hw;
+ void __iomem *reg;
+ struct frac_rate_tbl *rtbl;
+ u8 rtbl_cnt;
+ spinlock_t *lock;
+};
+
+/* GPT clk */
+struct gpt_rate_tbl {
+ u16 mscale;
+ u16 nscale;
+};
+
+struct clk_gpt {
+ struct clk_hw hw;
+ void __iomem *reg;
+ struct gpt_rate_tbl *rtbl;
+ u8 rtbl_cnt;
+ spinlock_t *lock;
+};
+
+/* VCO-PLL clk */
+struct pll_rate_tbl {
+ u8 mode;
+ u16 m;
+ u8 n;
+ u8 p;
+};
+
+struct clk_vco {
+ struct clk_hw hw;
+ void __iomem *mode_reg;
+ void __iomem *cfg_reg;
+ struct pll_rate_tbl *rtbl;
+ u8 rtbl_cnt;
+ spinlock_t *lock;
+};
+
+struct clk_pll {
+ struct clk_hw hw;
+ struct clk_vco *vco;
+ const char *parent[1];
+ spinlock_t *lock;
+};
+
+typedef unsigned long (*clk_calc_rate)(struct clk_hw *hw, unsigned long prate,
+ int index);
+
+/* clk register routines */
+struct clk *clk_register_aux(const char *aux_name, const char *gate_name,
+ const char *parent_name, unsigned long flags, void __iomem *reg,
+ const struct aux_clk_masks *masks, struct aux_rate_tbl *rtbl,
+ u8 rtbl_cnt, spinlock_t *lock, struct clk **gate_clk);
+struct clk *clk_register_frac(const char *name, const char *parent_name,
+ unsigned long flags, void __iomem *reg,
+ struct frac_rate_tbl *rtbl, u8 rtbl_cnt, spinlock_t *lock);
+struct clk *clk_register_gpt(const char *name, const char *parent_name, unsigned
+ long flags, void __iomem *reg, struct gpt_rate_tbl *rtbl, u8
+ rtbl_cnt, spinlock_t *lock);
+struct clk *clk_register_vco_pll(const char *vco_name, const char *pll_name,
+ const char *vco_gate_name, const char *parent_name,
+ unsigned long flags, void __iomem *mode_reg, void __iomem
+ *cfg_reg, struct pll_rate_tbl *rtbl, u8 rtbl_cnt,
+ spinlock_t *lock, struct clk **pll_clk,
+ struct clk **vco_gate_clk);
+
+long clk_round_rate_index(struct clk_hw *hw, unsigned long drate,
+ unsigned long parent_rate, clk_calc_rate calc_rate, u8 rtbl_cnt,
+ int *index);
+
+#endif /* __SPEAR_CLK_H */
diff --git a/drivers/clk/spear/spear1310_clock.c b/drivers/clk/spear/spear1310_clock.c
new file mode 100644
index 000000000..591248c9a
--- /dev/null
+++ b/drivers/clk/spear/spear1310_clock.c
@@ -0,0 +1,1122 @@
+/*
+ * arch/arm/mach-spear13xx/spear1310_clock.c
+ *
+ * SPEAr1310 machine clock framework source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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/clkdev.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/of_platform.h>
+#include <linux/spinlock_types.h>
+#include "clk.h"
+
+/* PLL related registers and bit values */
+#define SPEAR1310_PLL_CFG (misc_base + 0x210)
+ /* PLL_CFG bit values */
+ #define SPEAR1310_CLCD_SYNT_CLK_MASK 1
+ #define SPEAR1310_CLCD_SYNT_CLK_SHIFT 31
+ #define SPEAR1310_RAS_SYNT2_3_CLK_MASK 2
+ #define SPEAR1310_RAS_SYNT2_3_CLK_SHIFT 29
+ #define SPEAR1310_RAS_SYNT_CLK_MASK 2
+ #define SPEAR1310_RAS_SYNT0_1_CLK_SHIFT 27
+ #define SPEAR1310_PLL_CLK_MASK 2
+ #define SPEAR1310_PLL3_CLK_SHIFT 24
+ #define SPEAR1310_PLL2_CLK_SHIFT 22
+ #define SPEAR1310_PLL1_CLK_SHIFT 20
+
+#define SPEAR1310_PLL1_CTR (misc_base + 0x214)
+#define SPEAR1310_PLL1_FRQ (misc_base + 0x218)
+#define SPEAR1310_PLL2_CTR (misc_base + 0x220)
+#define SPEAR1310_PLL2_FRQ (misc_base + 0x224)
+#define SPEAR1310_PLL3_CTR (misc_base + 0x22C)
+#define SPEAR1310_PLL3_FRQ (misc_base + 0x230)
+#define SPEAR1310_PLL4_CTR (misc_base + 0x238)
+#define SPEAR1310_PLL4_FRQ (misc_base + 0x23C)
+#define SPEAR1310_PERIP_CLK_CFG (misc_base + 0x244)
+ /* PERIP_CLK_CFG bit values */
+ #define SPEAR1310_GPT_OSC24_VAL 0
+ #define SPEAR1310_GPT_APB_VAL 1
+ #define SPEAR1310_GPT_CLK_MASK 1
+ #define SPEAR1310_GPT3_CLK_SHIFT 11
+ #define SPEAR1310_GPT2_CLK_SHIFT 10
+ #define SPEAR1310_GPT1_CLK_SHIFT 9
+ #define SPEAR1310_GPT0_CLK_SHIFT 8
+ #define SPEAR1310_UART_CLK_PLL5_VAL 0
+ #define SPEAR1310_UART_CLK_OSC24_VAL 1
+ #define SPEAR1310_UART_CLK_SYNT_VAL 2
+ #define SPEAR1310_UART_CLK_MASK 2
+ #define SPEAR1310_UART_CLK_SHIFT 4
+
+ #define SPEAR1310_AUX_CLK_PLL5_VAL 0
+ #define SPEAR1310_AUX_CLK_SYNT_VAL 1
+ #define SPEAR1310_CLCD_CLK_MASK 2
+ #define SPEAR1310_CLCD_CLK_SHIFT 2
+ #define SPEAR1310_C3_CLK_MASK 1
+ #define SPEAR1310_C3_CLK_SHIFT 1
+
+#define SPEAR1310_GMAC_CLK_CFG (misc_base + 0x248)
+ #define SPEAR1310_GMAC_PHY_IF_SEL_MASK 3
+ #define SPEAR1310_GMAC_PHY_IF_SEL_SHIFT 4
+ #define SPEAR1310_GMAC_PHY_CLK_MASK 1
+ #define SPEAR1310_GMAC_PHY_CLK_SHIFT 3
+ #define SPEAR1310_GMAC_PHY_INPUT_CLK_MASK 2
+ #define SPEAR1310_GMAC_PHY_INPUT_CLK_SHIFT 1
+
+#define SPEAR1310_I2S_CLK_CFG (misc_base + 0x24C)
+ /* I2S_CLK_CFG register mask */
+ #define SPEAR1310_I2S_SCLK_X_MASK 0x1F
+ #define SPEAR1310_I2S_SCLK_X_SHIFT 27
+ #define SPEAR1310_I2S_SCLK_Y_MASK 0x1F
+ #define SPEAR1310_I2S_SCLK_Y_SHIFT 22
+ #define SPEAR1310_I2S_SCLK_EQ_SEL_SHIFT 21
+ #define SPEAR1310_I2S_SCLK_SYNTH_ENB 20
+ #define SPEAR1310_I2S_PRS1_CLK_X_MASK 0xFF
+ #define SPEAR1310_I2S_PRS1_CLK_X_SHIFT 12
+ #define SPEAR1310_I2S_PRS1_CLK_Y_MASK 0xFF
+ #define SPEAR1310_I2S_PRS1_CLK_Y_SHIFT 4
+ #define SPEAR1310_I2S_PRS1_EQ_SEL_SHIFT 3
+ #define SPEAR1310_I2S_REF_SEL_MASK 1
+ #define SPEAR1310_I2S_REF_SHIFT 2
+ #define SPEAR1310_I2S_SRC_CLK_MASK 2
+ #define SPEAR1310_I2S_SRC_CLK_SHIFT 0
+
+#define SPEAR1310_C3_CLK_SYNT (misc_base + 0x250)
+#define SPEAR1310_UART_CLK_SYNT (misc_base + 0x254)
+#define SPEAR1310_GMAC_CLK_SYNT (misc_base + 0x258)
+#define SPEAR1310_SDHCI_CLK_SYNT (misc_base + 0x25C)
+#define SPEAR1310_CFXD_CLK_SYNT (misc_base + 0x260)
+#define SPEAR1310_ADC_CLK_SYNT (misc_base + 0x264)
+#define SPEAR1310_AMBA_CLK_SYNT (misc_base + 0x268)
+#define SPEAR1310_CLCD_CLK_SYNT (misc_base + 0x270)
+#define SPEAR1310_RAS_CLK_SYNT0 (misc_base + 0x280)
+#define SPEAR1310_RAS_CLK_SYNT1 (misc_base + 0x288)
+#define SPEAR1310_RAS_CLK_SYNT2 (misc_base + 0x290)
+#define SPEAR1310_RAS_CLK_SYNT3 (misc_base + 0x298)
+ /* Check Fractional synthesizer reg masks */
+
+#define SPEAR1310_PERIP1_CLK_ENB (misc_base + 0x300)
+ /* PERIP1_CLK_ENB register masks */
+ #define SPEAR1310_RTC_CLK_ENB 31
+ #define SPEAR1310_ADC_CLK_ENB 30
+ #define SPEAR1310_C3_CLK_ENB 29
+ #define SPEAR1310_JPEG_CLK_ENB 28
+ #define SPEAR1310_CLCD_CLK_ENB 27
+ #define SPEAR1310_DMA_CLK_ENB 25
+ #define SPEAR1310_GPIO1_CLK_ENB 24
+ #define SPEAR1310_GPIO0_CLK_ENB 23
+ #define SPEAR1310_GPT1_CLK_ENB 22
+ #define SPEAR1310_GPT0_CLK_ENB 21
+ #define SPEAR1310_I2S0_CLK_ENB 20
+ #define SPEAR1310_I2S1_CLK_ENB 19
+ #define SPEAR1310_I2C0_CLK_ENB 18
+ #define SPEAR1310_SSP_CLK_ENB 17
+ #define SPEAR1310_UART_CLK_ENB 15
+ #define SPEAR1310_PCIE_SATA_2_CLK_ENB 14
+ #define SPEAR1310_PCIE_SATA_1_CLK_ENB 13
+ #define SPEAR1310_PCIE_SATA_0_CLK_ENB 12
+ #define SPEAR1310_UOC_CLK_ENB 11
+ #define SPEAR1310_UHC1_CLK_ENB 10
+ #define SPEAR1310_UHC0_CLK_ENB 9
+ #define SPEAR1310_GMAC_CLK_ENB 8
+ #define SPEAR1310_CFXD_CLK_ENB 7
+ #define SPEAR1310_SDHCI_CLK_ENB 6
+ #define SPEAR1310_SMI_CLK_ENB 5
+ #define SPEAR1310_FSMC_CLK_ENB 4
+ #define SPEAR1310_SYSRAM0_CLK_ENB 3
+ #define SPEAR1310_SYSRAM1_CLK_ENB 2
+ #define SPEAR1310_SYSROM_CLK_ENB 1
+ #define SPEAR1310_BUS_CLK_ENB 0
+
+#define SPEAR1310_PERIP2_CLK_ENB (misc_base + 0x304)
+ /* PERIP2_CLK_ENB register masks */
+ #define SPEAR1310_THSENS_CLK_ENB 8
+ #define SPEAR1310_I2S_REF_PAD_CLK_ENB 7
+ #define SPEAR1310_ACP_CLK_ENB 6
+ #define SPEAR1310_GPT3_CLK_ENB 5
+ #define SPEAR1310_GPT2_CLK_ENB 4
+ #define SPEAR1310_KBD_CLK_ENB 3
+ #define SPEAR1310_CPU_DBG_CLK_ENB 2
+ #define SPEAR1310_DDR_CORE_CLK_ENB 1
+ #define SPEAR1310_DDR_CTRL_CLK_ENB 0
+
+#define SPEAR1310_RAS_CLK_ENB (misc_base + 0x310)
+ /* RAS_CLK_ENB register masks */
+ #define SPEAR1310_SYNT3_CLK_ENB 17
+ #define SPEAR1310_SYNT2_CLK_ENB 16
+ #define SPEAR1310_SYNT1_CLK_ENB 15
+ #define SPEAR1310_SYNT0_CLK_ENB 14
+ #define SPEAR1310_PCLK3_CLK_ENB 13
+ #define SPEAR1310_PCLK2_CLK_ENB 12
+ #define SPEAR1310_PCLK1_CLK_ENB 11
+ #define SPEAR1310_PCLK0_CLK_ENB 10
+ #define SPEAR1310_PLL3_CLK_ENB 9
+ #define SPEAR1310_PLL2_CLK_ENB 8
+ #define SPEAR1310_C125M_PAD_CLK_ENB 7
+ #define SPEAR1310_C30M_CLK_ENB 6
+ #define SPEAR1310_C48M_CLK_ENB 5
+ #define SPEAR1310_OSC_25M_CLK_ENB 4
+ #define SPEAR1310_OSC_32K_CLK_ENB 3
+ #define SPEAR1310_OSC_24M_CLK_ENB 2
+ #define SPEAR1310_PCLK_CLK_ENB 1
+ #define SPEAR1310_ACLK_CLK_ENB 0
+
+/* RAS Area Control Register */
+#define SPEAR1310_RAS_CTRL_REG0 (ras_base + 0x000)
+ #define SPEAR1310_SSP1_CLK_MASK 3
+ #define SPEAR1310_SSP1_CLK_SHIFT 26
+ #define SPEAR1310_TDM_CLK_MASK 1
+ #define SPEAR1310_TDM2_CLK_SHIFT 24
+ #define SPEAR1310_TDM1_CLK_SHIFT 23
+ #define SPEAR1310_I2C_CLK_MASK 1
+ #define SPEAR1310_I2C7_CLK_SHIFT 22
+ #define SPEAR1310_I2C6_CLK_SHIFT 21
+ #define SPEAR1310_I2C5_CLK_SHIFT 20
+ #define SPEAR1310_I2C4_CLK_SHIFT 19
+ #define SPEAR1310_I2C3_CLK_SHIFT 18
+ #define SPEAR1310_I2C2_CLK_SHIFT 17
+ #define SPEAR1310_I2C1_CLK_SHIFT 16
+ #define SPEAR1310_GPT64_CLK_MASK 1
+ #define SPEAR1310_GPT64_CLK_SHIFT 15
+ #define SPEAR1310_RAS_UART_CLK_MASK 1
+ #define SPEAR1310_UART5_CLK_SHIFT 14
+ #define SPEAR1310_UART4_CLK_SHIFT 13
+ #define SPEAR1310_UART3_CLK_SHIFT 12
+ #define SPEAR1310_UART2_CLK_SHIFT 11
+ #define SPEAR1310_UART1_CLK_SHIFT 10
+ #define SPEAR1310_PCI_CLK_MASK 1
+ #define SPEAR1310_PCI_CLK_SHIFT 0
+
+#define SPEAR1310_RAS_CTRL_REG1 (ras_base + 0x004)
+ #define SPEAR1310_PHY_CLK_MASK 0x3
+ #define SPEAR1310_RMII_PHY_CLK_SHIFT 0
+ #define SPEAR1310_SMII_RGMII_PHY_CLK_SHIFT 2
+
+#define SPEAR1310_RAS_SW_CLK_CTRL (ras_base + 0x0148)
+ #define SPEAR1310_CAN1_CLK_ENB 25
+ #define SPEAR1310_CAN0_CLK_ENB 24
+ #define SPEAR1310_GPT64_CLK_ENB 23
+ #define SPEAR1310_SSP1_CLK_ENB 22
+ #define SPEAR1310_I2C7_CLK_ENB 21
+ #define SPEAR1310_I2C6_CLK_ENB 20
+ #define SPEAR1310_I2C5_CLK_ENB 19
+ #define SPEAR1310_I2C4_CLK_ENB 18
+ #define SPEAR1310_I2C3_CLK_ENB 17
+ #define SPEAR1310_I2C2_CLK_ENB 16
+ #define SPEAR1310_I2C1_CLK_ENB 15
+ #define SPEAR1310_UART5_CLK_ENB 14
+ #define SPEAR1310_UART4_CLK_ENB 13
+ #define SPEAR1310_UART3_CLK_ENB 12
+ #define SPEAR1310_UART2_CLK_ENB 11
+ #define SPEAR1310_UART1_CLK_ENB 10
+ #define SPEAR1310_RS485_1_CLK_ENB 9
+ #define SPEAR1310_RS485_0_CLK_ENB 8
+ #define SPEAR1310_TDM2_CLK_ENB 7
+ #define SPEAR1310_TDM1_CLK_ENB 6
+ #define SPEAR1310_PCI_CLK_ENB 5
+ #define SPEAR1310_GMII_CLK_ENB 4
+ #define SPEAR1310_MII2_CLK_ENB 3
+ #define SPEAR1310_MII1_CLK_ENB 2
+ #define SPEAR1310_MII0_CLK_ENB 1
+ #define SPEAR1310_ESRAM_CLK_ENB 0
+
+static DEFINE_SPINLOCK(_lock);
+
+/* pll rate configuration table, in ascending order of rates */
+static struct pll_rate_tbl pll_rtbl[] = {
+ /* PCLK 24MHz */
+ {.mode = 0, .m = 0x83, .n = 0x04, .p = 0x5}, /* vco 1572, pll 49.125 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x3}, /* vco 1000, pll 125 MHz */
+ {.mode = 0, .m = 0x64, .n = 0x06, .p = 0x1}, /* vco 800, pll 400 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x1}, /* vco 1000, pll 500 MHz */
+ {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x1}, /* vco 1328, pll 664 MHz */
+ {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x1}, /* vco 1600, pll 800 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
+};
+
+/* vco-pll4 rate configuration table, in ascending order of rates */
+static struct pll_rate_tbl pll4_rtbl[] = {
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x2}, /* vco 1000, pll 250 MHz */
+ {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x2}, /* vco 1328, pll 332 MHz */
+ {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x2}, /* vco 1600, pll 400 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
+};
+
+/* aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl aux_rtbl[] = {
+ /* For VCO1div2 = 500 MHz */
+ {.xscale = 10, .yscale = 204, .eq = 0}, /* 12.29 MHz */
+ {.xscale = 4, .yscale = 21, .eq = 0}, /* 48 MHz */
+ {.xscale = 2, .yscale = 6, .eq = 0}, /* 83 MHz */
+ {.xscale = 2, .yscale = 4, .eq = 0}, /* 125 MHz */
+ {.xscale = 1, .yscale = 3, .eq = 1}, /* 166 MHz */
+ {.xscale = 1, .yscale = 2, .eq = 1}, /* 250 MHz */
+};
+
+/* gmac rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl gmac_rtbl[] = {
+ /* For gmac phy input clk */
+ {.xscale = 2, .yscale = 6, .eq = 0}, /* divided by 6 */
+ {.xscale = 2, .yscale = 4, .eq = 0}, /* divided by 4 */
+ {.xscale = 1, .yscale = 3, .eq = 1}, /* divided by 3 */
+ {.xscale = 1, .yscale = 2, .eq = 1}, /* divided by 2 */
+};
+
+/* clcd rate configuration table, in ascending order of rates */
+static struct frac_rate_tbl clcd_rtbl[] = {
+ {.div = 0x14000}, /* 25 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x1284B}, /* 27 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x0D8D3}, /* 58 Mhz , for vco1div4 = 393 MHz */
+ {.div = 0x0B72C}, /* 58 Mhz , for vco1div4 = 332 MHz */
+ {.div = 0x089EE}, /* 58 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x06f1C}, /* 72 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x06E58}, /* 58 Mhz , for vco1div4 = 200 MHz */
+ {.div = 0x06c1B}, /* 74 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x04A12}, /* 108 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x0378E}, /* 144 Mhz , for vc01div4 = 250 MHz*/
+};
+
+/* i2s prescaler1 masks */
+static const struct aux_clk_masks i2s_prs1_masks = {
+ .eq_sel_mask = AUX_EQ_SEL_MASK,
+ .eq_sel_shift = SPEAR1310_I2S_PRS1_EQ_SEL_SHIFT,
+ .eq1_mask = AUX_EQ1_SEL,
+ .eq2_mask = AUX_EQ2_SEL,
+ .xscale_sel_mask = SPEAR1310_I2S_PRS1_CLK_X_MASK,
+ .xscale_sel_shift = SPEAR1310_I2S_PRS1_CLK_X_SHIFT,
+ .yscale_sel_mask = SPEAR1310_I2S_PRS1_CLK_Y_MASK,
+ .yscale_sel_shift = SPEAR1310_I2S_PRS1_CLK_Y_SHIFT,
+};
+
+/* i2s sclk (bit clock) syynthesizers masks */
+static struct aux_clk_masks i2s_sclk_masks = {
+ .eq_sel_mask = AUX_EQ_SEL_MASK,
+ .eq_sel_shift = SPEAR1310_I2S_SCLK_EQ_SEL_SHIFT,
+ .eq1_mask = AUX_EQ1_SEL,
+ .eq2_mask = AUX_EQ2_SEL,
+ .xscale_sel_mask = SPEAR1310_I2S_SCLK_X_MASK,
+ .xscale_sel_shift = SPEAR1310_I2S_SCLK_X_SHIFT,
+ .yscale_sel_mask = SPEAR1310_I2S_SCLK_Y_MASK,
+ .yscale_sel_shift = SPEAR1310_I2S_SCLK_Y_SHIFT,
+ .enable_bit = SPEAR1310_I2S_SCLK_SYNTH_ENB,
+};
+
+/* i2s prs1 aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl i2s_prs1_rtbl[] = {
+ /* For parent clk = 49.152 MHz */
+ {.xscale = 1, .yscale = 12, .eq = 0}, /* 2.048 MHz, smp freq = 8Khz */
+ {.xscale = 11, .yscale = 96, .eq = 0}, /* 2.816 MHz, smp freq = 11Khz */
+ {.xscale = 1, .yscale = 6, .eq = 0}, /* 4.096 MHz, smp freq = 16Khz */
+ {.xscale = 11, .yscale = 48, .eq = 0}, /* 5.632 MHz, smp freq = 22Khz */
+
+ /*
+ * with parent clk = 49.152, freq gen is 8.192 MHz, smp freq = 32Khz
+ * with parent clk = 12.288, freq gen is 2.048 MHz, smp freq = 8Khz
+ */
+ {.xscale = 1, .yscale = 3, .eq = 0},
+
+ /* For parent clk = 49.152 MHz */
+ {.xscale = 17, .yscale = 37, .eq = 0}, /* 11.289 MHz, smp freq = 44Khz*/
+
+ {.xscale = 1, .yscale = 2, .eq = 0}, /* 12.288 MHz */
+};
+
+/* i2s sclk aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl i2s_sclk_rtbl[] = {
+ /* For i2s_ref_clk = 12.288MHz */
+ {.xscale = 1, .yscale = 4, .eq = 0}, /* 1.53 MHz */
+ {.xscale = 1, .yscale = 2, .eq = 0}, /* 3.07 Mhz */
+};
+
+/* adc rate configuration table, in ascending order of rates */
+/* possible adc range is 2.5 MHz to 20 MHz. */
+static struct aux_rate_tbl adc_rtbl[] = {
+ /* For ahb = 166.67 MHz */
+ {.xscale = 1, .yscale = 31, .eq = 0}, /* 2.68 MHz */
+ {.xscale = 2, .yscale = 21, .eq = 0}, /* 7.94 MHz */
+ {.xscale = 4, .yscale = 21, .eq = 0}, /* 15.87 MHz */
+ {.xscale = 10, .yscale = 42, .eq = 0}, /* 19.84 MHz */
+};
+
+/* General synth rate configuration table, in ascending order of rates */
+static struct frac_rate_tbl gen_rtbl[] = {
+ /* For vco1div4 = 250 MHz */
+ {.div = 0x14000}, /* 25 MHz */
+ {.div = 0x0A000}, /* 50 MHz */
+ {.div = 0x05000}, /* 100 MHz */
+ {.div = 0x02000}, /* 250 MHz */
+};
+
+/* clock parents */
+static const char *vco_parents[] = { "osc_24m_clk", "osc_25m_clk", };
+static const char *gpt_parents[] = { "osc_24m_clk", "apb_clk", };
+static const char *uart0_parents[] = { "pll5_clk", "uart_syn_gclk", };
+static const char *c3_parents[] = { "pll5_clk", "c3_syn_gclk", };
+static const char *gmac_phy_input_parents[] = { "gmii_pad_clk", "pll2_clk",
+ "osc_25m_clk", };
+static const char *gmac_phy_parents[] = { "phy_input_mclk", "phy_syn_gclk", };
+static const char *clcd_synth_parents[] = { "vco1div4_clk", "pll2_clk", };
+static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_syn_clk", };
+static const char *i2s_src_parents[] = { "vco1div2_clk", "none", "pll3_clk",
+ "i2s_src_pad_clk", };
+static const char *i2s_ref_parents[] = { "i2s_src_mclk", "i2s_prs1_clk", };
+static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk",
+ "pll3_clk", };
+static const char *gen_synth2_3_parents[] = { "vco1div4_clk", "vco3div2_clk",
+ "pll2_clk", };
+static const char *rmii_phy_parents[] = { "ras_tx50_clk", "none",
+ "ras_pll2_clk", "ras_syn0_clk", };
+static const char *smii_rgmii_phy_parents[] = { "none", "ras_tx125_clk",
+ "ras_pll2_clk", "ras_syn0_clk", };
+static const char *uart_parents[] = { "ras_apb_clk", "gen_syn3_clk", };
+static const char *i2c_parents[] = { "ras_apb_clk", "gen_syn1_clk", };
+static const char *ssp1_parents[] = { "ras_apb_clk", "gen_syn1_clk",
+ "ras_plclk0_clk", };
+static const char *pci_parents[] = { "ras_pll3_clk", "gen_syn2_clk", };
+static const char *tdm_parents[] = { "ras_pll3_clk", "gen_syn1_clk", };
+
+void __init spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base)
+{
+ struct clk *clk, *clk1;
+
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
+ clk_register_clkdev(clk, "osc_32k_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000);
+ clk_register_clkdev(clk, "osc_24m_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, 0, 25000000);
+ clk_register_clkdev(clk, "osc_25m_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, 0, 125000000);
+ clk_register_clkdev(clk, "gmii_pad_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, 0,
+ 12288000);
+ clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);
+
+ /* clock derived from 32 KHz osc clk */
+ clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_RTC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0580000.rtc");
+
+ /* clock derived from 24 or 25 MHz osc clk */
+ /* vco-pll */
+ clk = clk_register_mux(NULL, "vco1_mclk", vco_parents,
+ ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PLL_CFG, SPEAR1310_PLL1_CLK_SHIFT,
+ SPEAR1310_PLL_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "vco1_mclk", NULL);
+ clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk",
+ 0, SPEAR1310_PLL1_CTR, SPEAR1310_PLL1_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco1_clk", NULL);
+ clk_register_clkdev(clk1, "pll1_clk", NULL);
+
+ clk = clk_register_mux(NULL, "vco2_mclk", vco_parents,
+ ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PLL_CFG, SPEAR1310_PLL2_CLK_SHIFT,
+ SPEAR1310_PLL_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "vco2_mclk", NULL);
+ clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk",
+ 0, SPEAR1310_PLL2_CTR, SPEAR1310_PLL2_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco2_clk", NULL);
+ clk_register_clkdev(clk1, "pll2_clk", NULL);
+
+ clk = clk_register_mux(NULL, "vco3_mclk", vco_parents,
+ ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PLL_CFG, SPEAR1310_PLL3_CLK_SHIFT,
+ SPEAR1310_PLL_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "vco3_mclk", NULL);
+ clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk",
+ 0, SPEAR1310_PLL3_CTR, SPEAR1310_PLL3_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco3_clk", NULL);
+ clk_register_clkdev(clk1, "pll3_clk", NULL);
+
+ clk = clk_register_vco_pll("vco4_clk", "pll4_clk", NULL, "osc_24m_clk",
+ 0, SPEAR1310_PLL4_CTR, SPEAR1310_PLL4_FRQ, pll4_rtbl,
+ ARRAY_SIZE(pll4_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco4_clk", NULL);
+ clk_register_clkdev(clk1, "pll4_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll5_clk", "osc_24m_clk", 0,
+ 48000000);
+ clk_register_clkdev(clk, "pll5_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll6_clk", "osc_25m_clk", 0,
+ 25000000);
+ clk_register_clkdev(clk, "pll6_clk", NULL);
+
+ /* vco div n clocks */
+ clk = clk_register_fixed_factor(NULL, "vco1div2_clk", "vco1_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "vco1div2_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vco1div4_clk", "vco1_clk", 0, 1,
+ 4);
+ clk_register_clkdev(clk, "vco1div4_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vco2div2_clk", "vco2_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "vco2div2_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vco3div2_clk", "vco3_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "vco3div2_clk", NULL);
+
+ /* peripherals */
+ clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1,
+ 128);
+ clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0,
+ SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_THSENS_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "spear_thermal");
+
+ /* clock derived from pll4 clk */
+ clk = clk_register_fixed_factor(NULL, "ddr_clk", "pll4_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "ddr_clk", NULL);
+
+ /* clock derived from pll1 clk */
+ clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "cpu_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "wdt_clk", "cpu_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, NULL, "ec800620.wdt");
+
+ clk = clk_register_fixed_factor(NULL, "smp_twd_clk", "cpu_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, NULL, "smp_twd");
+
+ clk = clk_register_fixed_factor(NULL, "ahb_clk", "pll1_clk", 0, 1,
+ 6);
+ clk_register_clkdev(clk, "ahb_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "apb_clk", "pll1_clk", 0, 1,
+ 12);
+ clk_register_clkdev(clk, "apb_clk", NULL);
+
+ /* gpt clocks */
+ clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT0_CLK_SHIFT,
+ SPEAR1310_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt0_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPT0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt0");
+
+ clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT1_CLK_SHIFT,
+ SPEAR1310_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt1_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPT1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt1");
+
+ clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT2_CLK_SHIFT,
+ SPEAR1310_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt2_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
+ SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_GPT2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt2");
+
+ clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT3_CLK_SHIFT,
+ SPEAR1310_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt3_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
+ SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_GPT3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt3");
+
+ /* others */
+ clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "vco1div2_clk",
+ 0, SPEAR1310_UART_CLK_SYNT, NULL, aux_rtbl,
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "uart_syn_clk", NULL);
+ clk_register_clkdev(clk1, "uart_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
+ ARRAY_SIZE(uart0_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_UART_CLK_SHIFT,
+ SPEAR1310_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart0_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk",
+ CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
+ SPEAR1310_UART_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e0000000.serial");
+
+ clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk",
+ "vco1div2_clk", 0, SPEAR1310_SDHCI_CLK_SYNT, NULL,
+ aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "sdhci_syn_clk", NULL);
+ clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk",
+ CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
+ SPEAR1310_SDHCI_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b3000000.sdhci");
+
+ clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk",
+ 0, SPEAR1310_CFXD_CLK_SYNT, NULL, aux_rtbl,
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "cfxd_syn_clk", NULL);
+ clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk",
+ CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
+ SPEAR1310_CFXD_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b2800000.cf");
+ clk_register_clkdev(clk, NULL, "arasan_xd");
+
+ clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk",
+ 0, SPEAR1310_C3_CLK_SYNT, NULL, aux_rtbl,
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "c3_syn_clk", NULL);
+ clk_register_clkdev(clk1, "c3_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "c3_mclk", c3_parents,
+ ARRAY_SIZE(c3_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_C3_CLK_SHIFT,
+ SPEAR1310_C3_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "c3_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_C3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "c3");
+
+ /* gmac */
+ clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents,
+ ARRAY_SIZE(gmac_phy_input_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1310_GMAC_CLK_CFG,
+ SPEAR1310_GMAC_PHY_INPUT_CLK_SHIFT,
+ SPEAR1310_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "phy_input_mclk", NULL);
+
+ clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk",
+ 0, SPEAR1310_GMAC_CLK_SYNT, NULL, gmac_rtbl,
+ ARRAY_SIZE(gmac_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "phy_syn_clk", NULL);
+ clk_register_clkdev(clk1, "phy_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents,
+ ARRAY_SIZE(gmac_phy_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GMAC_PHY_CLK_SHIFT,
+ SPEAR1310_GMAC_PHY_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "stmmacphy.0", NULL);
+
+ /* clcd */
+ clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents,
+ ARRAY_SIZE(clcd_synth_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1310_CLCD_CLK_SYNT,
+ SPEAR1310_CLCD_SYNT_CLK_SHIFT,
+ SPEAR1310_CLCD_SYNT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "clcd_syn_mclk", NULL);
+
+ clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0,
+ SPEAR1310_CLCD_CLK_SYNT, clcd_rtbl,
+ ARRAY_SIZE(clcd_rtbl), &_lock);
+ clk_register_clkdev(clk, "clcd_syn_clk", NULL);
+
+ clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents,
+ ARRAY_SIZE(clcd_pixel_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_PERIP_CLK_CFG, SPEAR1310_CLCD_CLK_SHIFT,
+ SPEAR1310_CLCD_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "clcd_pixel_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_CLCD_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e1000000.clcd");
+
+ /* i2s */
+ clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents,
+ ARRAY_SIZE(i2s_src_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_I2S_CLK_CFG, SPEAR1310_I2S_SRC_CLK_SHIFT,
+ SPEAR1310_I2S_SRC_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2s_src_mclk", NULL);
+
+ clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk", 0,
+ SPEAR1310_I2S_CLK_CFG, &i2s_prs1_masks, i2s_prs1_rtbl,
+ ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL);
+ clk_register_clkdev(clk, "i2s_prs1_clk", NULL);
+
+ clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents,
+ ARRAY_SIZE(i2s_ref_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_I2S_CLK_CFG, SPEAR1310_I2S_REF_SHIFT,
+ SPEAR1310_I2S_REF_SEL_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2s_ref_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0,
+ SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_I2S_REF_PAD_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL);
+
+ clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk",
+ "i2s_ref_mclk", 0, SPEAR1310_I2S_CLK_CFG,
+ &i2s_sclk_masks, i2s_sclk_rtbl,
+ ARRAY_SIZE(i2s_sclk_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "i2s_sclk_clk", NULL);
+ clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL);
+
+ /* clock derived from ahb clk */
+ clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_I2C0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0280000.i2c");
+
+ clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_DMA_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "ea800000.dma");
+ clk_register_clkdev(clk, NULL, "eb000000.dma");
+
+ clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_JPEG_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "b2000000.jpeg");
+
+ clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GMAC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e2000000.eth");
+
+ clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_FSMC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "b0000000.flash");
+
+ clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SMI_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "ea000000.flash");
+
+ clk = clk_register_gate(NULL, "usbh0_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_UHC0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e4000000.ohci");
+ clk_register_clkdev(clk, NULL, "e4800000.ehci");
+
+ clk = clk_register_gate(NULL, "usbh1_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_UHC1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e5000000.ohci");
+ clk_register_clkdev(clk, NULL, "e5800000.ehci");
+
+ clk = clk_register_gate(NULL, "uoc_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_UOC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e3800000.otg");
+
+ clk = clk_register_gate(NULL, "pcie_sata_0_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_PCIE_SATA_0_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b1000000.pcie");
+ clk_register_clkdev(clk, NULL, "b1000000.ahci");
+
+ clk = clk_register_gate(NULL, "pcie_sata_1_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_PCIE_SATA_1_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b1800000.pcie");
+ clk_register_clkdev(clk, NULL, "b1800000.ahci");
+
+ clk = clk_register_gate(NULL, "pcie_sata_2_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_PCIE_SATA_2_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b4000000.pcie");
+ clk_register_clkdev(clk, NULL, "b4000000.ahci");
+
+ clk = clk_register_gate(NULL, "sysram0_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SYSRAM0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "sysram0_clk", NULL);
+
+ clk = clk_register_gate(NULL, "sysram1_clk", "ahb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SYSRAM1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "sysram1_clk", NULL);
+
+ clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk",
+ 0, SPEAR1310_ADC_CLK_SYNT, NULL, adc_rtbl,
+ ARRAY_SIZE(adc_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "adc_syn_clk", NULL);
+ clk_register_clkdev(clk1, "adc_syn_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk",
+ CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
+ SPEAR1310_ADC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e0080000.adc");
+
+ /* clock derived from apb clk */
+ clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SSP_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0100000.spi");
+
+ clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPIO0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0600000.gpio");
+
+ clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPIO1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0680000.gpio");
+
+ clk = clk_register_gate(NULL, "i2s0_clk", "apb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_I2S0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0180000.i2s");
+
+ clk = clk_register_gate(NULL, "i2s1_clk", "apb_clk", 0,
+ SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_I2S1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0200000.i2s");
+
+ clk = clk_register_gate(NULL, "kbd_clk", "apb_clk", 0,
+ SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_KBD_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0300000.kbd");
+
+ /* RAS clks */
+ clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents,
+ ARRAY_SIZE(gen_synth0_1_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1310_PLL_CFG,
+ SPEAR1310_RAS_SYNT0_1_CLK_SHIFT,
+ SPEAR1310_RAS_SYNT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gen_syn0_1_clk", NULL);
+
+ clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents,
+ ARRAY_SIZE(gen_synth2_3_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1310_PLL_CFG,
+ SPEAR1310_RAS_SYNT2_3_CLK_SHIFT,
+ SPEAR1310_RAS_SYNT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gen_syn2_3_clk", NULL);
+
+ clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_clk", 0,
+ SPEAR1310_RAS_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn0_clk", NULL);
+
+ clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_clk", 0,
+ SPEAR1310_RAS_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn1_clk", NULL);
+
+ clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_clk", 0,
+ SPEAR1310_RAS_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn2_clk", NULL);
+
+ clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_clk", 0,
+ SPEAR1310_RAS_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn3_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_osc_24m_clk", "osc_24m_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_OSC_24M_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_osc_24m_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_osc_25m_clk", "osc_25m_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_OSC_25M_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_osc_25m_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_osc_32k_clk", "osc_32k_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_OSC_32K_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_osc_32k_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_PLL2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_pll2_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_PLL3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_pll3_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_tx125_clk", "gmii_pad_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_C125M_PAD_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_tx125_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "ras_30m_fixed_clk", "pll5_clk", 0,
+ 30000000);
+ clk = clk_register_gate(NULL, "ras_30m_clk", "ras_30m_fixed_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_C30M_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_30m_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "ras_48m_fixed_clk", "pll5_clk", 0,
+ 48000000);
+ clk = clk_register_gate(NULL, "ras_48m_clk", "ras_48m_fixed_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_C48M_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_48m_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_ACLK_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_ahb_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0,
+ SPEAR1310_RAS_CLK_ENB, SPEAR1310_PCLK_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_apb_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "ras_plclk0_clk", NULL, 0,
+ 50000000);
+
+ clk = clk_register_fixed_rate(NULL, "ras_tx50_clk", NULL, 0, 50000000);
+
+ clk = clk_register_gate(NULL, "can0_clk", "apb_clk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_CAN0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "c_can_platform.0");
+
+ clk = clk_register_gate(NULL, "can1_clk", "apb_clk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_CAN1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "c_can_platform.1");
+
+ clk = clk_register_gate(NULL, "ras_smii0_clk", "ras_ahb_clk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_MII0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5c400000.eth");
+
+ clk = clk_register_gate(NULL, "ras_smii1_clk", "ras_ahb_clk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_MII1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5c500000.eth");
+
+ clk = clk_register_gate(NULL, "ras_smii2_clk", "ras_ahb_clk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_MII2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5c600000.eth");
+
+ clk = clk_register_gate(NULL, "ras_rgmii_clk", "ras_ahb_clk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_GMII_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5c700000.eth");
+
+ clk = clk_register_mux(NULL, "smii_rgmii_phy_mclk",
+ smii_rgmii_phy_parents,
+ ARRAY_SIZE(smii_rgmii_phy_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1310_RAS_CTRL_REG1,
+ SPEAR1310_SMII_RGMII_PHY_CLK_SHIFT,
+ SPEAR1310_PHY_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "stmmacphy.1", NULL);
+ clk_register_clkdev(clk, "stmmacphy.2", NULL);
+ clk_register_clkdev(clk, "stmmacphy.4", NULL);
+
+ clk = clk_register_mux(NULL, "rmii_phy_mclk", rmii_phy_parents,
+ ARRAY_SIZE(rmii_phy_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG1, SPEAR1310_RMII_PHY_CLK_SHIFT,
+ SPEAR1310_PHY_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "stmmacphy.3", NULL);
+
+ clk = clk_register_mux(NULL, "uart1_mclk", uart_parents,
+ ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART1_CLK_SHIFT,
+ SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart1_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5c800000.serial");
+
+ clk = clk_register_mux(NULL, "uart2_mclk", uart_parents,
+ ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART2_CLK_SHIFT,
+ SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart2_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart2_clk", "uart2_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5c900000.serial");
+
+ clk = clk_register_mux(NULL, "uart3_mclk", uart_parents,
+ ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART3_CLK_SHIFT,
+ SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart3_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart3_clk", "uart3_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5ca00000.serial");
+
+ clk = clk_register_mux(NULL, "uart4_mclk", uart_parents,
+ ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART4_CLK_SHIFT,
+ SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart4_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart4_clk", "uart4_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART4_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5cb00000.serial");
+
+ clk = clk_register_mux(NULL, "uart5_mclk", uart_parents,
+ ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART5_CLK_SHIFT,
+ SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart5_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart5_clk", "uart5_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART5_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5cc00000.serial");
+
+ clk = clk_register_mux(NULL, "i2c1_mclk", i2c_parents,
+ ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C1_CLK_SHIFT,
+ SPEAR1310_I2C_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2c1_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2c1_clk", "i2c1_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5cd00000.i2c");
+
+ clk = clk_register_mux(NULL, "i2c2_mclk", i2c_parents,
+ ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C2_CLK_SHIFT,
+ SPEAR1310_I2C_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2c2_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2c2_clk", "i2c2_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5ce00000.i2c");
+
+ clk = clk_register_mux(NULL, "i2c3_mclk", i2c_parents,
+ ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C3_CLK_SHIFT,
+ SPEAR1310_I2C_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2c3_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2c3_clk", "i2c3_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5cf00000.i2c");
+
+ clk = clk_register_mux(NULL, "i2c4_mclk", i2c_parents,
+ ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C4_CLK_SHIFT,
+ SPEAR1310_I2C_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2c4_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2c4_clk", "i2c4_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C4_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5d000000.i2c");
+
+ clk = clk_register_mux(NULL, "i2c5_mclk", i2c_parents,
+ ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C5_CLK_SHIFT,
+ SPEAR1310_I2C_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2c5_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2c5_clk", "i2c5_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C5_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5d100000.i2c");
+
+ clk = clk_register_mux(NULL, "i2c6_mclk", i2c_parents,
+ ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C6_CLK_SHIFT,
+ SPEAR1310_I2C_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2c6_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2c6_clk", "i2c6_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C6_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5d200000.i2c");
+
+ clk = clk_register_mux(NULL, "i2c7_mclk", i2c_parents,
+ ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C7_CLK_SHIFT,
+ SPEAR1310_I2C_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2c7_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2c7_clk", "i2c7_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C7_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5d300000.i2c");
+
+ clk = clk_register_mux(NULL, "ssp1_mclk", ssp1_parents,
+ ARRAY_SIZE(ssp1_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_SSP1_CLK_SHIFT,
+ SPEAR1310_SSP1_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "ssp1_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "ssp1_clk", "ssp1_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_SSP1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "5d400000.spi");
+
+ clk = clk_register_mux(NULL, "pci_mclk", pci_parents,
+ ARRAY_SIZE(pci_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_PCI_CLK_SHIFT,
+ SPEAR1310_PCI_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "pci_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "pci_clk", "pci_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_PCI_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "pci");
+
+ clk = clk_register_mux(NULL, "tdm1_mclk", tdm_parents,
+ ARRAY_SIZE(tdm_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_TDM1_CLK_SHIFT,
+ SPEAR1310_TDM_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "tdm1_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "tdm1_clk", "tdm1_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_TDM1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "tdm_hdlc.0");
+
+ clk = clk_register_mux(NULL, "tdm2_mclk", tdm_parents,
+ ARRAY_SIZE(tdm_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1310_RAS_CTRL_REG0, SPEAR1310_TDM2_CLK_SHIFT,
+ SPEAR1310_TDM_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "tdm2_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "tdm2_clk", "tdm2_mclk", 0,
+ SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_TDM2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "tdm_hdlc.1");
+}
diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c
new file mode 100644
index 000000000..e5bc8c828
--- /dev/null
+++ b/drivers/clk/spear/spear1340_clock.c
@@ -0,0 +1,1015 @@
+/*
+ * arch/arm/mach-spear13xx/spear1340_clock.c
+ *
+ * SPEAr1340 machine clock framework source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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/clkdev.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/of_platform.h>
+#include <linux/spinlock_types.h>
+#include "clk.h"
+
+/* Clock Configuration Registers */
+#define SPEAR1340_SYS_CLK_CTRL (misc_base + 0x200)
+ #define SPEAR1340_HCLK_SRC_SEL_SHIFT 27
+ #define SPEAR1340_HCLK_SRC_SEL_MASK 1
+ #define SPEAR1340_SCLK_SRC_SEL_SHIFT 23
+ #define SPEAR1340_SCLK_SRC_SEL_MASK 3
+
+/* PLL related registers and bit values */
+#define SPEAR1340_PLL_CFG (misc_base + 0x210)
+ /* PLL_CFG bit values */
+ #define SPEAR1340_CLCD_SYNT_CLK_MASK 1
+ #define SPEAR1340_CLCD_SYNT_CLK_SHIFT 31
+ #define SPEAR1340_GEN_SYNT2_3_CLK_SHIFT 29
+ #define SPEAR1340_GEN_SYNT_CLK_MASK 2
+ #define SPEAR1340_GEN_SYNT0_1_CLK_SHIFT 27
+ #define SPEAR1340_PLL_CLK_MASK 2
+ #define SPEAR1340_PLL3_CLK_SHIFT 24
+ #define SPEAR1340_PLL2_CLK_SHIFT 22
+ #define SPEAR1340_PLL1_CLK_SHIFT 20
+
+#define SPEAR1340_PLL1_CTR (misc_base + 0x214)
+#define SPEAR1340_PLL1_FRQ (misc_base + 0x218)
+#define SPEAR1340_PLL2_CTR (misc_base + 0x220)
+#define SPEAR1340_PLL2_FRQ (misc_base + 0x224)
+#define SPEAR1340_PLL3_CTR (misc_base + 0x22C)
+#define SPEAR1340_PLL3_FRQ (misc_base + 0x230)
+#define SPEAR1340_PLL4_CTR (misc_base + 0x238)
+#define SPEAR1340_PLL4_FRQ (misc_base + 0x23C)
+#define SPEAR1340_PERIP_CLK_CFG (misc_base + 0x244)
+ /* PERIP_CLK_CFG bit values */
+ #define SPEAR1340_SPDIF_CLK_MASK 1
+ #define SPEAR1340_SPDIF_OUT_CLK_SHIFT 15
+ #define SPEAR1340_SPDIF_IN_CLK_SHIFT 14
+ #define SPEAR1340_GPT3_CLK_SHIFT 13
+ #define SPEAR1340_GPT2_CLK_SHIFT 12
+ #define SPEAR1340_GPT_CLK_MASK 1
+ #define SPEAR1340_GPT1_CLK_SHIFT 9
+ #define SPEAR1340_GPT0_CLK_SHIFT 8
+ #define SPEAR1340_UART_CLK_MASK 2
+ #define SPEAR1340_UART1_CLK_SHIFT 6
+ #define SPEAR1340_UART0_CLK_SHIFT 4
+ #define SPEAR1340_CLCD_CLK_MASK 2
+ #define SPEAR1340_CLCD_CLK_SHIFT 2
+ #define SPEAR1340_C3_CLK_MASK 1
+ #define SPEAR1340_C3_CLK_SHIFT 1
+
+#define SPEAR1340_GMAC_CLK_CFG (misc_base + 0x248)
+ #define SPEAR1340_GMAC_PHY_CLK_MASK 1
+ #define SPEAR1340_GMAC_PHY_CLK_SHIFT 2
+ #define SPEAR1340_GMAC_PHY_INPUT_CLK_MASK 2
+ #define SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT 0
+
+#define SPEAR1340_I2S_CLK_CFG (misc_base + 0x24C)
+ /* I2S_CLK_CFG register mask */
+ #define SPEAR1340_I2S_SCLK_X_MASK 0x1F
+ #define SPEAR1340_I2S_SCLK_X_SHIFT 27
+ #define SPEAR1340_I2S_SCLK_Y_MASK 0x1F
+ #define SPEAR1340_I2S_SCLK_Y_SHIFT 22
+ #define SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT 21
+ #define SPEAR1340_I2S_SCLK_SYNTH_ENB 20
+ #define SPEAR1340_I2S_PRS1_CLK_X_MASK 0xFF
+ #define SPEAR1340_I2S_PRS1_CLK_X_SHIFT 12
+ #define SPEAR1340_I2S_PRS1_CLK_Y_MASK 0xFF
+ #define SPEAR1340_I2S_PRS1_CLK_Y_SHIFT 4
+ #define SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT 3
+ #define SPEAR1340_I2S_REF_SEL_MASK 1
+ #define SPEAR1340_I2S_REF_SHIFT 2
+ #define SPEAR1340_I2S_SRC_CLK_MASK 2
+ #define SPEAR1340_I2S_SRC_CLK_SHIFT 0
+
+#define SPEAR1340_C3_CLK_SYNT (misc_base + 0x250)
+#define SPEAR1340_UART0_CLK_SYNT (misc_base + 0x254)
+#define SPEAR1340_UART1_CLK_SYNT (misc_base + 0x258)
+#define SPEAR1340_GMAC_CLK_SYNT (misc_base + 0x25C)
+#define SPEAR1340_SDHCI_CLK_SYNT (misc_base + 0x260)
+#define SPEAR1340_CFXD_CLK_SYNT (misc_base + 0x264)
+#define SPEAR1340_ADC_CLK_SYNT (misc_base + 0x270)
+#define SPEAR1340_AMBA_CLK_SYNT (misc_base + 0x274)
+#define SPEAR1340_CLCD_CLK_SYNT (misc_base + 0x27C)
+#define SPEAR1340_SYS_CLK_SYNT (misc_base + 0x284)
+#define SPEAR1340_GEN_CLK_SYNT0 (misc_base + 0x28C)
+#define SPEAR1340_GEN_CLK_SYNT1 (misc_base + 0x294)
+#define SPEAR1340_GEN_CLK_SYNT2 (misc_base + 0x29C)
+#define SPEAR1340_GEN_CLK_SYNT3 (misc_base + 0x304)
+#define SPEAR1340_PERIP1_CLK_ENB (misc_base + 0x30C)
+ #define SPEAR1340_RTC_CLK_ENB 31
+ #define SPEAR1340_ADC_CLK_ENB 30
+ #define SPEAR1340_C3_CLK_ENB 29
+ #define SPEAR1340_CLCD_CLK_ENB 27
+ #define SPEAR1340_DMA_CLK_ENB 25
+ #define SPEAR1340_GPIO1_CLK_ENB 24
+ #define SPEAR1340_GPIO0_CLK_ENB 23
+ #define SPEAR1340_GPT1_CLK_ENB 22
+ #define SPEAR1340_GPT0_CLK_ENB 21
+ #define SPEAR1340_I2S_PLAY_CLK_ENB 20
+ #define SPEAR1340_I2S_REC_CLK_ENB 19
+ #define SPEAR1340_I2C0_CLK_ENB 18
+ #define SPEAR1340_SSP_CLK_ENB 17
+ #define SPEAR1340_UART0_CLK_ENB 15
+ #define SPEAR1340_PCIE_SATA_CLK_ENB 12
+ #define SPEAR1340_UOC_CLK_ENB 11
+ #define SPEAR1340_UHC1_CLK_ENB 10
+ #define SPEAR1340_UHC0_CLK_ENB 9
+ #define SPEAR1340_GMAC_CLK_ENB 8
+ #define SPEAR1340_CFXD_CLK_ENB 7
+ #define SPEAR1340_SDHCI_CLK_ENB 6
+ #define SPEAR1340_SMI_CLK_ENB 5
+ #define SPEAR1340_FSMC_CLK_ENB 4
+ #define SPEAR1340_SYSRAM0_CLK_ENB 3
+ #define SPEAR1340_SYSRAM1_CLK_ENB 2
+ #define SPEAR1340_SYSROM_CLK_ENB 1
+ #define SPEAR1340_BUS_CLK_ENB 0
+
+#define SPEAR1340_PERIP2_CLK_ENB (misc_base + 0x310)
+ #define SPEAR1340_THSENS_CLK_ENB 8
+ #define SPEAR1340_I2S_REF_PAD_CLK_ENB 7
+ #define SPEAR1340_ACP_CLK_ENB 6
+ #define SPEAR1340_GPT3_CLK_ENB 5
+ #define SPEAR1340_GPT2_CLK_ENB 4
+ #define SPEAR1340_KBD_CLK_ENB 3
+ #define SPEAR1340_CPU_DBG_CLK_ENB 2
+ #define SPEAR1340_DDR_CORE_CLK_ENB 1
+ #define SPEAR1340_DDR_CTRL_CLK_ENB 0
+
+#define SPEAR1340_PERIP3_CLK_ENB (misc_base + 0x314)
+ #define SPEAR1340_PLGPIO_CLK_ENB 18
+ #define SPEAR1340_VIDEO_DEC_CLK_ENB 16
+ #define SPEAR1340_VIDEO_ENC_CLK_ENB 15
+ #define SPEAR1340_SPDIF_OUT_CLK_ENB 13
+ #define SPEAR1340_SPDIF_IN_CLK_ENB 12
+ #define SPEAR1340_VIDEO_IN_CLK_ENB 11
+ #define SPEAR1340_CAM0_CLK_ENB 10
+ #define SPEAR1340_CAM1_CLK_ENB 9
+ #define SPEAR1340_CAM2_CLK_ENB 8
+ #define SPEAR1340_CAM3_CLK_ENB 7
+ #define SPEAR1340_MALI_CLK_ENB 6
+ #define SPEAR1340_CEC0_CLK_ENB 5
+ #define SPEAR1340_CEC1_CLK_ENB 4
+ #define SPEAR1340_PWM_CLK_ENB 3
+ #define SPEAR1340_I2C1_CLK_ENB 2
+ #define SPEAR1340_UART1_CLK_ENB 1
+
+static DEFINE_SPINLOCK(_lock);
+
+/* pll rate configuration table, in ascending order of rates */
+static struct pll_rate_tbl pll_rtbl[] = {
+ /* PCLK 24MHz */
+ {.mode = 0, .m = 0x83, .n = 0x04, .p = 0x5}, /* vco 1572, pll 49.125 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x3}, /* vco 1000, pll 125 MHz */
+ {.mode = 0, .m = 0x64, .n = 0x06, .p = 0x1}, /* vco 800, pll 400 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x1}, /* vco 1000, pll 500 MHz */
+ {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x1}, /* vco 1328, pll 664 MHz */
+ {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x1}, /* vco 1600, pll 800 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
+ {.mode = 0, .m = 0x96, .n = 0x06, .p = 0x0}, /* vco 1200, pll 1200 MHz */
+};
+
+/* vco-pll4 rate configuration table, in ascending order of rates */
+static struct pll_rate_tbl pll4_rtbl[] = {
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x2}, /* vco 1000, pll 250 MHz */
+ {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x2}, /* vco 1328, pll 332 MHz */
+ {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x2}, /* vco 1600, pll 400 MHz */
+ {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
+};
+
+/*
+ * All below entries generate 166 MHz for
+ * different values of vco1div2
+ */
+static struct frac_rate_tbl amba_synth_rtbl[] = {
+ {.div = 0x073A8}, /* for vco1div2 = 600 MHz */
+ {.div = 0x06062}, /* for vco1div2 = 500 MHz */
+ {.div = 0x04D1B}, /* for vco1div2 = 400 MHz */
+ {.div = 0x04000}, /* for vco1div2 = 332 MHz */
+ {.div = 0x03031}, /* for vco1div2 = 250 MHz */
+ {.div = 0x0268D}, /* for vco1div2 = 200 MHz */
+};
+
+/*
+ * Synthesizer Clock derived from vcodiv2. This clock is one of the
+ * possible clocks to feed cpu directly.
+ * We can program this synthesizer to make cpu run on different clock
+ * frequencies.
+ * Following table provides configuration values to let cpu run on 200,
+ * 250, 332, 400 or 500 MHz considering different possibilites of input
+ * (vco1div2) clock.
+ *
+ * --------------------------------------------------------------------
+ * vco1div2(Mhz) fout(Mhz) cpuclk = fout/2 div
+ * --------------------------------------------------------------------
+ * 400 200 100 0x04000
+ * 400 250 125 0x03333
+ * 400 332 166 0x0268D
+ * 400 400 200 0x02000
+ * --------------------------------------------------------------------
+ * 500 200 100 0x05000
+ * 500 250 125 0x04000
+ * 500 332 166 0x03031
+ * 500 400 200 0x02800
+ * 500 500 250 0x02000
+ * --------------------------------------------------------------------
+ * 600 200 100 0x06000
+ * 600 250 125 0x04CCE
+ * 600 332 166 0x039D5
+ * 600 400 200 0x03000
+ * 600 500 250 0x02666
+ * --------------------------------------------------------------------
+ * 664 200 100 0x06a38
+ * 664 250 125 0x054FD
+ * 664 332 166 0x04000
+ * 664 400 200 0x0351E
+ * 664 500 250 0x02A7E
+ * --------------------------------------------------------------------
+ * 800 200 100 0x08000
+ * 800 250 125 0x06666
+ * 800 332 166 0x04D18
+ * 800 400 200 0x04000
+ * 800 500 250 0x03333
+ * --------------------------------------------------------------------
+ * sys rate configuration table is in descending order of divisor.
+ */
+static struct frac_rate_tbl sys_synth_rtbl[] = {
+ {.div = 0x08000},
+ {.div = 0x06a38},
+ {.div = 0x06666},
+ {.div = 0x06000},
+ {.div = 0x054FD},
+ {.div = 0x05000},
+ {.div = 0x04D18},
+ {.div = 0x04CCE},
+ {.div = 0x04000},
+ {.div = 0x039D5},
+ {.div = 0x0351E},
+ {.div = 0x03333},
+ {.div = 0x03031},
+ {.div = 0x03000},
+ {.div = 0x02A7E},
+ {.div = 0x02800},
+ {.div = 0x0268D},
+ {.div = 0x02666},
+ {.div = 0x02000},
+};
+
+/* aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl aux_rtbl[] = {
+ /* 12.29MHz for vic1div2=600MHz and 10.24MHz for VCO1div2=500MHz */
+ {.xscale = 5, .yscale = 122, .eq = 0},
+ /* 14.70MHz for vic1div2=600MHz and 12.29MHz for VCO1div2=500MHz */
+ {.xscale = 10, .yscale = 204, .eq = 0},
+ /* 48MHz for vic1div2=600MHz and 40 MHz for VCO1div2=500MHz */
+ {.xscale = 4, .yscale = 25, .eq = 0},
+ /* 57.14MHz for vic1div2=600MHz and 48 MHz for VCO1div2=500MHz */
+ {.xscale = 4, .yscale = 21, .eq = 0},
+ /* 83.33MHz for vic1div2=600MHz and 69.44MHz for VCO1div2=500MHz */
+ {.xscale = 5, .yscale = 18, .eq = 0},
+ /* 100MHz for vic1div2=600MHz and 83.33 MHz for VCO1div2=500MHz */
+ {.xscale = 2, .yscale = 6, .eq = 0},
+ /* 125MHz for vic1div2=600MHz and 104.1MHz for VCO1div2=500MHz */
+ {.xscale = 5, .yscale = 12, .eq = 0},
+ /* 150MHz for vic1div2=600MHz and 125MHz for VCO1div2=500MHz */
+ {.xscale = 2, .yscale = 4, .eq = 0},
+ /* 166MHz for vic1div2=600MHz and 138.88MHz for VCO1div2=500MHz */
+ {.xscale = 5, .yscale = 18, .eq = 1},
+ /* 200MHz for vic1div2=600MHz and 166MHz for VCO1div2=500MHz */
+ {.xscale = 1, .yscale = 3, .eq = 1},
+ /* 250MHz for vic1div2=600MHz and 208.33MHz for VCO1div2=500MHz */
+ {.xscale = 5, .yscale = 12, .eq = 1},
+ /* 300MHz for vic1div2=600MHz and 250MHz for VCO1div2=500MHz */
+ {.xscale = 1, .yscale = 2, .eq = 1},
+};
+
+/* gmac rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl gmac_rtbl[] = {
+ /* For gmac phy input clk */
+ {.xscale = 2, .yscale = 6, .eq = 0}, /* divided by 6 */
+ {.xscale = 2, .yscale = 4, .eq = 0}, /* divided by 4 */
+ {.xscale = 1, .yscale = 3, .eq = 1}, /* divided by 3 */
+ {.xscale = 1, .yscale = 2, .eq = 1}, /* divided by 2 */
+};
+
+/* clcd rate configuration table, in ascending order of rates */
+static struct frac_rate_tbl clcd_rtbl[] = {
+ {.div = 0x18000}, /* 25 Mhz , for vc01div4 = 300 MHz*/
+ {.div = 0x1638E}, /* 27 Mhz , for vc01div4 = 300 MHz*/
+ {.div = 0x14000}, /* 25 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x1284B}, /* 27 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x0D8D3}, /* 58 Mhz , for vco1div4 = 393 MHz */
+ {.div = 0x0B72C}, /* 58 Mhz , for vco1div4 = 332 MHz */
+ {.div = 0x0A584}, /* 58 Mhz , for vco1div4 = 300 MHz */
+ {.div = 0x093B1}, /* 65 Mhz , for vc01div4 = 300 MHz*/
+ {.div = 0x089EE}, /* 58 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x081BA}, /* 74 Mhz , for vc01div4 = 300 MHz*/
+ {.div = 0x07BA0}, /* 65 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x06f1C}, /* 72 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x06E58}, /* 58 Mhz , for vco1div4 = 200 MHz */
+ {.div = 0x06c1B}, /* 74 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x058E3}, /* 108 Mhz , for vc01div4 = 300 MHz*/
+ {.div = 0x04A12}, /* 108 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x040A5}, /* 148.5 Mhz , for vc01div4 = 300 MHz*/
+ {.div = 0x0378E}, /* 144 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x0360D}, /* 148 Mhz , for vc01div4 = 250 MHz*/
+ {.div = 0x035E0}, /* 148.5 MHz, for vc01div4 = 250 MHz*/
+};
+
+/* i2s prescaler1 masks */
+static const struct aux_clk_masks i2s_prs1_masks = {
+ .eq_sel_mask = AUX_EQ_SEL_MASK,
+ .eq_sel_shift = SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT,
+ .eq1_mask = AUX_EQ1_SEL,
+ .eq2_mask = AUX_EQ2_SEL,
+ .xscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_X_MASK,
+ .xscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_X_SHIFT,
+ .yscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_Y_MASK,
+ .yscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_Y_SHIFT,
+};
+
+/* i2s sclk (bit clock) syynthesizers masks */
+static struct aux_clk_masks i2s_sclk_masks = {
+ .eq_sel_mask = AUX_EQ_SEL_MASK,
+ .eq_sel_shift = SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT,
+ .eq1_mask = AUX_EQ1_SEL,
+ .eq2_mask = AUX_EQ2_SEL,
+ .xscale_sel_mask = SPEAR1340_I2S_SCLK_X_MASK,
+ .xscale_sel_shift = SPEAR1340_I2S_SCLK_X_SHIFT,
+ .yscale_sel_mask = SPEAR1340_I2S_SCLK_Y_MASK,
+ .yscale_sel_shift = SPEAR1340_I2S_SCLK_Y_SHIFT,
+ .enable_bit = SPEAR1340_I2S_SCLK_SYNTH_ENB,
+};
+
+/* i2s prs1 aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl i2s_prs1_rtbl[] = {
+ /* For parent clk = 49.152 MHz */
+ {.xscale = 1, .yscale = 12, .eq = 0}, /* 2.048 MHz, smp freq = 8Khz */
+ {.xscale = 11, .yscale = 96, .eq = 0}, /* 2.816 MHz, smp freq = 11Khz */
+ {.xscale = 1, .yscale = 6, .eq = 0}, /* 4.096 MHz, smp freq = 16Khz */
+ {.xscale = 11, .yscale = 48, .eq = 0}, /* 5.632 MHz, smp freq = 22Khz */
+
+ /*
+ * with parent clk = 49.152, freq gen is 8.192 MHz, smp freq = 32Khz
+ * with parent clk = 12.288, freq gen is 2.048 MHz, smp freq = 8Khz
+ */
+ {.xscale = 1, .yscale = 3, .eq = 0},
+
+ /* For parent clk = 49.152 MHz */
+ {.xscale = 17, .yscale = 37, .eq = 0}, /* 11.289 MHz, smp freq = 44Khz*/
+ {.xscale = 1, .yscale = 2, .eq = 0}, /* 12.288 MHz, smp freq = 48Khz*/
+};
+
+/* i2s sclk aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl i2s_sclk_rtbl[] = {
+ /* For sclk = ref_clk * x/2/y */
+ {.xscale = 1, .yscale = 4, .eq = 0},
+ {.xscale = 1, .yscale = 2, .eq = 0},
+};
+
+/* adc rate configuration table, in ascending order of rates */
+/* possible adc range is 2.5 MHz to 20 MHz. */
+static struct aux_rate_tbl adc_rtbl[] = {
+ /* For ahb = 166.67 MHz */
+ {.xscale = 1, .yscale = 31, .eq = 0}, /* 2.68 MHz */
+ {.xscale = 2, .yscale = 21, .eq = 0}, /* 7.94 MHz */
+ {.xscale = 4, .yscale = 21, .eq = 0}, /* 15.87 MHz */
+ {.xscale = 10, .yscale = 42, .eq = 0}, /* 19.84 MHz */
+};
+
+/* General synth rate configuration table, in ascending order of rates */
+static struct frac_rate_tbl gen_rtbl[] = {
+ {.div = 0x1A92B}, /* 22.5792 MHz for vco1div4=300 MHz*/
+ {.div = 0x186A0}, /* 24.576 MHz for vco1div4=300 MHz*/
+ {.div = 0x18000}, /* 25 MHz for vco1div4=300 MHz*/
+ {.div = 0x1624E}, /* 22.5792 MHz for vco1div4=250 MHz*/
+ {.div = 0x14585}, /* 24.576 MHz for vco1div4=250 MHz*/
+ {.div = 0x14000}, /* 25 MHz for vco1div4=250 MHz*/
+ {.div = 0x0D495}, /* 45.1584 MHz for vco1div4=300 MHz*/
+ {.div = 0x0C000}, /* 50 MHz for vco1div4=300 MHz*/
+ {.div = 0x0B127}, /* 45.1584 MHz for vco1div4=250 MHz*/
+ {.div = 0x0A000}, /* 50 MHz for vco1div4=250 MHz*/
+ {.div = 0x07530}, /* 81.92 MHz for vco1div4=300 MHz*/
+ {.div = 0x061A8}, /* 81.92 MHz for vco1div4=250 MHz*/
+ {.div = 0x06000}, /* 100 MHz for vco1div4=300 MHz*/
+ {.div = 0x05000}, /* 100 MHz for vco1div4=250 MHz*/
+ {.div = 0x03000}, /* 200 MHz for vco1div4=300 MHz*/
+ {.div = 0x02DB6}, /* 210 MHz for vco1div4=300 MHz*/
+ {.div = 0x02BA2}, /* 220 MHz for vco1div4=300 MHz*/
+ {.div = 0x029BD}, /* 230 MHz for vco1div4=300 MHz*/
+ {.div = 0x02800}, /* 200 MHz for vco1div4=250 MHz*/
+ {.div = 0x02666}, /* 250 MHz for vco1div4=300 MHz*/
+ {.div = 0x02620}, /* 210 MHz for vco1div4=250 MHz*/
+ {.div = 0x02460}, /* 220 MHz for vco1div4=250 MHz*/
+ {.div = 0x022C0}, /* 230 MHz for vco1div4=250 MHz*/
+ {.div = 0x02160}, /* 240 MHz for vco1div4=250 MHz*/
+ {.div = 0x02000}, /* 250 MHz for vco1div4=250 MHz*/
+};
+
+/* clock parents */
+static const char *vco_parents[] = { "osc_24m_clk", "osc_25m_clk", };
+static const char *sys_parents[] = { "pll1_clk", "pll1_clk", "pll1_clk",
+ "pll1_clk", "sys_syn_clk", "sys_syn_clk", "pll2_clk", "pll3_clk", };
+static const char *ahb_parents[] = { "cpu_div3_clk", "amba_syn_clk", };
+static const char *gpt_parents[] = { "osc_24m_clk", "apb_clk", };
+static const char *uart0_parents[] = { "pll5_clk", "osc_24m_clk",
+ "uart0_syn_gclk", };
+static const char *uart1_parents[] = { "pll5_clk", "osc_24m_clk",
+ "uart1_syn_gclk", };
+static const char *c3_parents[] = { "pll5_clk", "c3_syn_gclk", };
+static const char *gmac_phy_input_parents[] = { "gmii_pad_clk", "pll2_clk",
+ "osc_25m_clk", };
+static const char *gmac_phy_parents[] = { "phy_input_mclk", "phy_syn_gclk", };
+static const char *clcd_synth_parents[] = { "vco1div4_clk", "pll2_clk", };
+static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_syn_clk", };
+static const char *i2s_src_parents[] = { "vco1div2_clk", "pll2_clk", "pll3_clk",
+ "i2s_src_pad_clk", };
+static const char *i2s_ref_parents[] = { "i2s_src_mclk", "i2s_prs1_clk", };
+static const char *spdif_out_parents[] = { "i2s_src_pad_clk", "gen_syn2_clk", };
+static const char *spdif_in_parents[] = { "pll2_clk", "gen_syn3_clk", };
+
+static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk",
+ "pll3_clk", };
+static const char *gen_synth2_3_parents[] = { "vco1div4_clk", "vco2div2_clk",
+ "pll2_clk", };
+
+void __init spear1340_clk_init(void __iomem *misc_base)
+{
+ struct clk *clk, *clk1;
+
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
+ clk_register_clkdev(clk, "osc_32k_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000);
+ clk_register_clkdev(clk, "osc_24m_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, 0, 25000000);
+ clk_register_clkdev(clk, "osc_25m_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, 0, 125000000);
+ clk_register_clkdev(clk, "gmii_pad_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, 0,
+ 12288000);
+ clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);
+
+ /* clock derived from 32 KHz osc clk */
+ clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_RTC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0580000.rtc");
+
+ /* clock derived from 24 or 25 MHz osc clk */
+ /* vco-pll */
+ clk = clk_register_mux(NULL, "vco1_mclk", vco_parents,
+ ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PLL_CFG, SPEAR1340_PLL1_CLK_SHIFT,
+ SPEAR1340_PLL_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "vco1_mclk", NULL);
+ clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk", 0,
+ SPEAR1340_PLL1_CTR, SPEAR1340_PLL1_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco1_clk", NULL);
+ clk_register_clkdev(clk1, "pll1_clk", NULL);
+
+ clk = clk_register_mux(NULL, "vco2_mclk", vco_parents,
+ ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PLL_CFG, SPEAR1340_PLL2_CLK_SHIFT,
+ SPEAR1340_PLL_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "vco2_mclk", NULL);
+ clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk", 0,
+ SPEAR1340_PLL2_CTR, SPEAR1340_PLL2_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco2_clk", NULL);
+ clk_register_clkdev(clk1, "pll2_clk", NULL);
+
+ clk = clk_register_mux(NULL, "vco3_mclk", vco_parents,
+ ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PLL_CFG, SPEAR1340_PLL3_CLK_SHIFT,
+ SPEAR1340_PLL_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "vco3_mclk", NULL);
+ clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk", 0,
+ SPEAR1340_PLL3_CTR, SPEAR1340_PLL3_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco3_clk", NULL);
+ clk_register_clkdev(clk1, "pll3_clk", NULL);
+
+ clk = clk_register_vco_pll("vco4_clk", "pll4_clk", NULL, "osc_24m_clk",
+ 0, SPEAR1340_PLL4_CTR, SPEAR1340_PLL4_FRQ, pll4_rtbl,
+ ARRAY_SIZE(pll4_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco4_clk", NULL);
+ clk_register_clkdev(clk1, "pll4_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll5_clk", "osc_24m_clk", 0,
+ 48000000);
+ clk_register_clkdev(clk, "pll5_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll6_clk", "osc_25m_clk", 0,
+ 25000000);
+ clk_register_clkdev(clk, "pll6_clk", NULL);
+
+ /* vco div n clocks */
+ clk = clk_register_fixed_factor(NULL, "vco1div2_clk", "vco1_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "vco1div2_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vco1div4_clk", "vco1_clk", 0, 1,
+ 4);
+ clk_register_clkdev(clk, "vco1div4_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vco2div2_clk", "vco2_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "vco2div2_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vco3div2_clk", "vco3_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "vco3div2_clk", NULL);
+
+ /* peripherals */
+ clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1,
+ 128);
+ clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0,
+ SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_THSENS_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e07008c4.thermal");
+
+ /* clock derived from pll4 clk */
+ clk = clk_register_fixed_factor(NULL, "ddr_clk", "pll4_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "ddr_clk", NULL);
+
+ /* clock derived from pll1 clk */
+ clk = clk_register_frac("sys_syn_clk", "vco1div2_clk", 0,
+ SPEAR1340_SYS_CLK_SYNT, sys_synth_rtbl,
+ ARRAY_SIZE(sys_synth_rtbl), &_lock);
+ clk_register_clkdev(clk, "sys_syn_clk", NULL);
+
+ clk = clk_register_frac("amba_syn_clk", "vco1div2_clk", 0,
+ SPEAR1340_AMBA_CLK_SYNT, amba_synth_rtbl,
+ ARRAY_SIZE(amba_synth_rtbl), &_lock);
+ clk_register_clkdev(clk, "amba_syn_clk", NULL);
+
+ clk = clk_register_mux(NULL, "sys_mclk", sys_parents,
+ ARRAY_SIZE(sys_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_SYS_CLK_CTRL, SPEAR1340_SCLK_SRC_SEL_SHIFT,
+ SPEAR1340_SCLK_SRC_SEL_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "sys_mclk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "cpu_clk", "sys_mclk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "cpu_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "cpu_div3_clk", "cpu_clk", 0, 1,
+ 3);
+ clk_register_clkdev(clk, "cpu_div3_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "wdt_clk", "cpu_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, NULL, "ec800620.wdt");
+
+ clk = clk_register_fixed_factor(NULL, "smp_twd_clk", "cpu_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, NULL, "smp_twd");
+
+ clk = clk_register_mux(NULL, "ahb_clk", ahb_parents,
+ ARRAY_SIZE(ahb_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_SYS_CLK_CTRL, SPEAR1340_HCLK_SRC_SEL_SHIFT,
+ SPEAR1340_HCLK_SRC_SEL_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "ahb_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "apb_clk", "ahb_clk", 0, 1,
+ 2);
+ clk_register_clkdev(clk, "apb_clk", NULL);
+
+ /* gpt clocks */
+ clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT0_CLK_SHIFT,
+ SPEAR1340_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt0_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt0");
+
+ clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT1_CLK_SHIFT,
+ SPEAR1340_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt1_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt1");
+
+ clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT2_CLK_SHIFT,
+ SPEAR1340_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt2_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
+ SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt2");
+
+ clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents,
+ ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT3_CLK_SHIFT,
+ SPEAR1340_GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt3_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
+ SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt3");
+
+ /* others */
+ clk = clk_register_aux("uart0_syn_clk", "uart0_syn_gclk",
+ "vco1div2_clk", 0, SPEAR1340_UART0_CLK_SYNT, NULL,
+ aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "uart0_syn_clk", NULL);
+ clk_register_clkdev(clk1, "uart0_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
+ ARRAY_SIZE(uart0_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART0_CLK_SHIFT,
+ SPEAR1340_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart0_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk",
+ CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
+ SPEAR1340_UART0_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e0000000.serial");
+
+ clk = clk_register_aux("uart1_syn_clk", "uart1_syn_gclk",
+ "vco1div2_clk", 0, SPEAR1340_UART1_CLK_SYNT, NULL,
+ aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "uart1_syn_clk", NULL);
+ clk_register_clkdev(clk1, "uart1_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "uart1_mclk", uart1_parents,
+ ARRAY_SIZE(uart1_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART1_CLK_SHIFT,
+ SPEAR1340_UART_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "uart1_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_UART1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "b4100000.serial");
+
+ clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk",
+ "vco1div2_clk", 0, SPEAR1340_SDHCI_CLK_SYNT, NULL,
+ aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "sdhci_syn_clk", NULL);
+ clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk",
+ CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
+ SPEAR1340_SDHCI_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b3000000.sdhci");
+
+ clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk",
+ 0, SPEAR1340_CFXD_CLK_SYNT, NULL, aux_rtbl,
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "cfxd_syn_clk", NULL);
+ clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk",
+ CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
+ SPEAR1340_CFXD_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b2800000.cf");
+ clk_register_clkdev(clk, NULL, "arasan_xd");
+
+ clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk", 0,
+ SPEAR1340_C3_CLK_SYNT, NULL, aux_rtbl,
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "c3_syn_clk", NULL);
+ clk_register_clkdev(clk1, "c3_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "c3_mclk", c3_parents,
+ ARRAY_SIZE(c3_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_C3_CLK_SHIFT,
+ SPEAR1340_C3_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "c3_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", CLK_SET_RATE_PARENT,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_C3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e1800000.c3");
+
+ /* gmac */
+ clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents,
+ ARRAY_SIZE(gmac_phy_input_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1340_GMAC_CLK_CFG,
+ SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT,
+ SPEAR1340_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "phy_input_mclk", NULL);
+
+ clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk",
+ 0, SPEAR1340_GMAC_CLK_SYNT, NULL, gmac_rtbl,
+ ARRAY_SIZE(gmac_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "phy_syn_clk", NULL);
+ clk_register_clkdev(clk1, "phy_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents,
+ ARRAY_SIZE(gmac_phy_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GMAC_PHY_CLK_SHIFT,
+ SPEAR1340_GMAC_PHY_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "stmmacphy.0", NULL);
+
+ /* clcd */
+ clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents,
+ ARRAY_SIZE(clcd_synth_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1340_CLCD_CLK_SYNT,
+ SPEAR1340_CLCD_SYNT_CLK_SHIFT,
+ SPEAR1340_CLCD_SYNT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "clcd_syn_mclk", NULL);
+
+ clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0,
+ SPEAR1340_CLCD_CLK_SYNT, clcd_rtbl,
+ ARRAY_SIZE(clcd_rtbl), &_lock);
+ clk_register_clkdev(clk, "clcd_syn_clk", NULL);
+
+ clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents,
+ ARRAY_SIZE(clcd_pixel_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_CLCD_CLK_SHIFT,
+ SPEAR1340_CLCD_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "clcd_pixel_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CLCD_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e1000000.clcd");
+
+ /* i2s */
+ clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents,
+ ARRAY_SIZE(i2s_src_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_SRC_CLK_SHIFT,
+ SPEAR1340_I2S_SRC_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2s_src_mclk", NULL);
+
+ clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk",
+ CLK_SET_RATE_PARENT, SPEAR1340_I2S_CLK_CFG,
+ &i2s_prs1_masks, i2s_prs1_rtbl,
+ ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL);
+ clk_register_clkdev(clk, "i2s_prs1_clk", NULL);
+
+ clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents,
+ ARRAY_SIZE(i2s_ref_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_REF_SHIFT,
+ SPEAR1340_I2S_REF_SEL_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2s_ref_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0,
+ SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_I2S_REF_PAD_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL);
+
+ clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk", "i2s_ref_mclk",
+ 0, SPEAR1340_I2S_CLK_CFG, &i2s_sclk_masks,
+ i2s_sclk_rtbl, ARRAY_SIZE(i2s_sclk_rtbl), &_lock,
+ &clk1);
+ clk_register_clkdev(clk, "i2s_sclk_clk", NULL);
+ clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL);
+
+ /* clock derived from ahb clk */
+ clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2C0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0280000.i2c");
+
+ clk = clk_register_gate(NULL, "i2c1_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_I2C1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "b4000000.i2c");
+
+ clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_DMA_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "ea800000.dma");
+ clk_register_clkdev(clk, NULL, "eb000000.dma");
+
+ clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GMAC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e2000000.eth");
+
+ clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_FSMC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "b0000000.flash");
+
+ clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SMI_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "ea000000.flash");
+
+ clk = clk_register_gate(NULL, "usbh0_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e4000000.ohci");
+ clk_register_clkdev(clk, NULL, "e4800000.ehci");
+
+ clk = clk_register_gate(NULL, "usbh1_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e5000000.ohci");
+ clk_register_clkdev(clk, NULL, "e5800000.ehci");
+
+ clk = clk_register_gate(NULL, "uoc_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UOC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e3800000.otg");
+
+ clk = clk_register_gate(NULL, "pcie_sata_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_PCIE_SATA_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "b1000000.pcie");
+ clk_register_clkdev(clk, NULL, "b1000000.ahci");
+
+ clk = clk_register_gate(NULL, "sysram0_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "sysram0_clk", NULL);
+
+ clk = clk_register_gate(NULL, "sysram1_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "sysram1_clk", NULL);
+
+ clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk",
+ 0, SPEAR1340_ADC_CLK_SYNT, NULL, adc_rtbl,
+ ARRAY_SIZE(adc_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "adc_syn_clk", NULL);
+ clk_register_clkdev(clk1, "adc_syn_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk",
+ CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
+ SPEAR1340_ADC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e0080000.adc");
+
+ /* clock derived from apb clk */
+ clk = clk_register_gate(NULL, "ssp_clk", "apb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SSP_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0100000.spi");
+
+ clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0600000.gpio");
+
+ clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0680000.gpio");
+
+ clk = clk_register_gate(NULL, "i2s_play_clk", "apb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_PLAY_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "b2400000.i2s-play");
+
+ clk = clk_register_gate(NULL, "i2s_rec_clk", "apb_clk", 0,
+ SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_REC_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "b2000000.i2s-rec");
+
+ clk = clk_register_gate(NULL, "kbd_clk", "apb_clk", 0,
+ SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_KBD_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0300000.kbd");
+
+ /* RAS clks */
+ clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents,
+ ARRAY_SIZE(gen_synth0_1_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1340_PLL_CFG,
+ SPEAR1340_GEN_SYNT0_1_CLK_SHIFT,
+ SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gen_syn0_1_mclk", NULL);
+
+ clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents,
+ ARRAY_SIZE(gen_synth2_3_parents),
+ CLK_SET_RATE_NO_REPARENT, SPEAR1340_PLL_CFG,
+ SPEAR1340_GEN_SYNT2_3_CLK_SHIFT,
+ SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gen_syn2_3_mclk", NULL);
+
+ clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_mclk", 0,
+ SPEAR1340_GEN_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn0_clk", NULL);
+
+ clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_mclk", 0,
+ SPEAR1340_GEN_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn1_clk", NULL);
+
+ clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_mclk", 0,
+ SPEAR1340_GEN_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn2_clk", NULL);
+
+ clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_mclk", 0,
+ SPEAR1340_GEN_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl),
+ &_lock);
+ clk_register_clkdev(clk, "gen_syn3_clk", NULL);
+
+ clk = clk_register_gate(NULL, "mali_clk", "gen_syn3_clk",
+ CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
+ SPEAR1340_MALI_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "mali");
+
+ clk = clk_register_gate(NULL, "cec0_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "spear_cec.0");
+
+ clk = clk_register_gate(NULL, "cec1_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "spear_cec.1");
+
+ clk = clk_register_mux(NULL, "spdif_out_mclk", spdif_out_parents,
+ ARRAY_SIZE(spdif_out_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_OUT_CLK_SHIFT,
+ SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "spdif_out_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "spdif_out_clk", "spdif_out_mclk",
+ CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
+ SPEAR1340_SPDIF_OUT_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0000000.spdif-out");
+
+ clk = clk_register_mux(NULL, "spdif_in_mclk", spdif_in_parents,
+ ARRAY_SIZE(spdif_in_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_IN_CLK_SHIFT,
+ SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "spdif_in_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "spdif_in_clk", "spdif_in_mclk",
+ CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
+ SPEAR1340_SPDIF_IN_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0100000.spdif-in");
+
+ clk = clk_register_gate(NULL, "acp_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_ACP_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "acp_clk");
+
+ clk = clk_register_gate(NULL, "plgpio_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PLGPIO_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e2800000.gpio");
+
+ clk = clk_register_gate(NULL, "video_dec_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_DEC_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "video_dec");
+
+ clk = clk_register_gate(NULL, "video_enc_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_ENC_CLK_ENB,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "video_enc");
+
+ clk = clk_register_gate(NULL, "video_in_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_IN_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "spear_vip");
+
+ clk = clk_register_gate(NULL, "cam0_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "d0200000.cam0");
+
+ clk = clk_register_gate(NULL, "cam1_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "d0300000.cam1");
+
+ clk = clk_register_gate(NULL, "cam2_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "d0400000.cam2");
+
+ clk = clk_register_gate(NULL, "cam3_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "d0500000.cam3");
+
+ clk = clk_register_gate(NULL, "pwm_clk", "ahb_clk", 0,
+ SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PWM_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "e0180000.pwm");
+}
diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c
new file mode 100644
index 000000000..c403c66b6
--- /dev/null
+++ b/drivers/clk/spear/spear3xx_clock.c
@@ -0,0 +1,667 @@
+/*
+ * SPEAr3xx machines clock framework source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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/clkdev.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/of_platform.h>
+#include <linux/spinlock_types.h>
+#include "clk.h"
+
+static DEFINE_SPINLOCK(_lock);
+
+#define PLL1_CTR (misc_base + 0x008)
+#define PLL1_FRQ (misc_base + 0x00C)
+#define PLL2_CTR (misc_base + 0x014)
+#define PLL2_FRQ (misc_base + 0x018)
+#define PLL_CLK_CFG (misc_base + 0x020)
+ /* PLL_CLK_CFG register masks */
+ #define MCTR_CLK_SHIFT 28
+ #define MCTR_CLK_MASK 3
+
+#define CORE_CLK_CFG (misc_base + 0x024)
+ /* CORE CLK CFG register masks */
+ #define GEN_SYNTH2_3_CLK_SHIFT 18
+ #define GEN_SYNTH2_3_CLK_MASK 1
+
+ #define HCLK_RATIO_SHIFT 10
+ #define HCLK_RATIO_MASK 2
+ #define PCLK_RATIO_SHIFT 8
+ #define PCLK_RATIO_MASK 2
+
+#define PERIP_CLK_CFG (misc_base + 0x028)
+ /* PERIP_CLK_CFG register masks */
+ #define UART_CLK_SHIFT 4
+ #define UART_CLK_MASK 1
+ #define FIRDA_CLK_SHIFT 5
+ #define FIRDA_CLK_MASK 2
+ #define GPT0_CLK_SHIFT 8
+ #define GPT1_CLK_SHIFT 11
+ #define GPT2_CLK_SHIFT 12
+ #define GPT_CLK_MASK 1
+
+#define PERIP1_CLK_ENB (misc_base + 0x02C)
+ /* PERIP1_CLK_ENB register masks */
+ #define UART_CLK_ENB 3
+ #define SSP_CLK_ENB 5
+ #define I2C_CLK_ENB 7
+ #define JPEG_CLK_ENB 8
+ #define FIRDA_CLK_ENB 10
+ #define GPT1_CLK_ENB 11
+ #define GPT2_CLK_ENB 12
+ #define ADC_CLK_ENB 15
+ #define RTC_CLK_ENB 17
+ #define GPIO_CLK_ENB 18
+ #define DMA_CLK_ENB 19
+ #define SMI_CLK_ENB 21
+ #define GMAC_CLK_ENB 23
+ #define USBD_CLK_ENB 24
+ #define USBH_CLK_ENB 25
+ #define C3_CLK_ENB 31
+
+#define RAS_CLK_ENB (misc_base + 0x034)
+ #define RAS_AHB_CLK_ENB 0
+ #define RAS_PLL1_CLK_ENB 1
+ #define RAS_APB_CLK_ENB 2
+ #define RAS_32K_CLK_ENB 3
+ #define RAS_24M_CLK_ENB 4
+ #define RAS_48M_CLK_ENB 5
+ #define RAS_PLL2_CLK_ENB 7
+ #define RAS_SYNT0_CLK_ENB 8
+ #define RAS_SYNT1_CLK_ENB 9
+ #define RAS_SYNT2_CLK_ENB 10
+ #define RAS_SYNT3_CLK_ENB 11
+
+#define PRSC0_CLK_CFG (misc_base + 0x044)
+#define PRSC1_CLK_CFG (misc_base + 0x048)
+#define PRSC2_CLK_CFG (misc_base + 0x04C)
+#define AMEM_CLK_CFG (misc_base + 0x050)
+ #define AMEM_CLK_ENB 0
+
+#define CLCD_CLK_SYNT (misc_base + 0x05C)
+#define FIRDA_CLK_SYNT (misc_base + 0x060)
+#define UART_CLK_SYNT (misc_base + 0x064)
+#define GMAC_CLK_SYNT (misc_base + 0x068)
+#define GEN0_CLK_SYNT (misc_base + 0x06C)
+#define GEN1_CLK_SYNT (misc_base + 0x070)
+#define GEN2_CLK_SYNT (misc_base + 0x074)
+#define GEN3_CLK_SYNT (misc_base + 0x078)
+
+/* pll rate configuration table, in ascending order of rates */
+static struct pll_rate_tbl pll_rtbl[] = {
+ {.mode = 0, .m = 0x53, .n = 0x0C, .p = 0x1}, /* vco 332 & pll 166 MHz */
+ {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* vco 532 & pll 266 MHz */
+ {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* vco 664 & pll 332 MHz */
+};
+
+/* aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl aux_rtbl[] = {
+ /* For PLL1 = 332 MHz */
+ {.xscale = 1, .yscale = 81, .eq = 0}, /* 2.049 MHz */
+ {.xscale = 1, .yscale = 59, .eq = 0}, /* 2.822 MHz */
+ {.xscale = 2, .yscale = 81, .eq = 0}, /* 4.098 MHz */
+ {.xscale = 3, .yscale = 89, .eq = 0}, /* 5.644 MHz */
+ {.xscale = 4, .yscale = 81, .eq = 0}, /* 8.197 MHz */
+ {.xscale = 4, .yscale = 59, .eq = 0}, /* 11.254 MHz */
+ {.xscale = 2, .yscale = 27, .eq = 0}, /* 12.296 MHz */
+ {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */
+ {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */
+ {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */
+};
+
+/* gpt rate configuration table, in ascending order of rates */
+static struct gpt_rate_tbl gpt_rtbl[] = {
+ /* For pll1 = 332 MHz */
+ {.mscale = 4, .nscale = 0}, /* 41.5 MHz */
+ {.mscale = 2, .nscale = 0}, /* 55.3 MHz */
+ {.mscale = 1, .nscale = 0}, /* 83 MHz */
+};
+
+/* clock parents */
+static const char *uart0_parents[] = { "pll3_clk", "uart_syn_gclk", };
+static const char *firda_parents[] = { "pll3_clk", "firda_syn_gclk",
+};
+static const char *gpt0_parents[] = { "pll3_clk", "gpt0_syn_clk", };
+static const char *gpt1_parents[] = { "pll3_clk", "gpt1_syn_clk", };
+static const char *gpt2_parents[] = { "pll3_clk", "gpt2_syn_clk", };
+static const char *gen2_3_parents[] = { "pll1_clk", "pll2_clk", };
+static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none",
+ "pll2_clk", };
+
+#ifdef CONFIG_MACH_SPEAR300
+static void __init spear300_clk_init(void)
+{
+ struct clk *clk;
+
+ clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0,
+ 1, 1);
+ clk_register_clkdev(clk, NULL, "60000000.clcd");
+
+ clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "94000000.flash");
+
+ clk = clk_register_fixed_factor(NULL, "sdhci_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "70000000.sdhci");
+
+ clk = clk_register_fixed_factor(NULL, "gpio1_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "a9000000.gpio");
+
+ clk = clk_register_fixed_factor(NULL, "kbd_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "a0000000.kbd");
+}
+#else
+static inline void spear300_clk_init(void) { }
+#endif
+
+/* array of all spear 310 clock lookups */
+#ifdef CONFIG_MACH_SPEAR310
+static void __init spear310_clk_init(void)
+{
+ struct clk *clk;
+
+ clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "emi", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "44000000.flash");
+
+ clk = clk_register_fixed_factor(NULL, "tdm_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "tdm");
+
+ clk = clk_register_fixed_factor(NULL, "uart1_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "b2000000.serial");
+
+ clk = clk_register_fixed_factor(NULL, "uart2_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "b2080000.serial");
+
+ clk = clk_register_fixed_factor(NULL, "uart3_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "b2100000.serial");
+
+ clk = clk_register_fixed_factor(NULL, "uart4_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "b2180000.serial");
+
+ clk = clk_register_fixed_factor(NULL, "uart5_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "b2200000.serial");
+}
+#else
+static inline void spear310_clk_init(void) { }
+#endif
+
+/* array of all spear 320 clock lookups */
+#ifdef CONFIG_MACH_SPEAR320
+
+#define SPEAR320_CONTROL_REG (soc_config_base + 0x0010)
+#define SPEAR320_EXT_CTRL_REG (soc_config_base + 0x0018)
+
+ #define SPEAR320_UARTX_PCLK_MASK 0x1
+ #define SPEAR320_UART2_PCLK_SHIFT 8
+ #define SPEAR320_UART3_PCLK_SHIFT 9
+ #define SPEAR320_UART4_PCLK_SHIFT 10
+ #define SPEAR320_UART5_PCLK_SHIFT 11
+ #define SPEAR320_UART6_PCLK_SHIFT 12
+ #define SPEAR320_RS485_PCLK_SHIFT 13
+ #define SMII_PCLK_SHIFT 18
+ #define SMII_PCLK_MASK 2
+ #define SMII_PCLK_VAL_PAD 0x0
+ #define SMII_PCLK_VAL_PLL2 0x1
+ #define SMII_PCLK_VAL_SYNTH0 0x2
+ #define SDHCI_PCLK_SHIFT 15
+ #define SDHCI_PCLK_MASK 1
+ #define SDHCI_PCLK_VAL_48M 0x0
+ #define SDHCI_PCLK_VAL_SYNTH3 0x1
+ #define I2S_REF_PCLK_SHIFT 8
+ #define I2S_REF_PCLK_MASK 1
+ #define I2S_REF_PCLK_SYNTH_VAL 0x1
+ #define I2S_REF_PCLK_PLL2_VAL 0x0
+ #define UART1_PCLK_SHIFT 6
+ #define UART1_PCLK_MASK 1
+ #define SPEAR320_UARTX_PCLK_VAL_SYNTH1 0x0
+ #define SPEAR320_UARTX_PCLK_VAL_APB 0x1
+
+static const char *i2s_ref_parents[] = { "ras_pll2_clk", "ras_syn2_gclk", };
+static const char *sdhci_parents[] = { "ras_pll3_clk", "ras_syn3_gclk", };
+static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk",
+ "ras_syn0_gclk", };
+static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", };
+
+static void __init spear320_clk_init(void __iomem *soc_config_base,
+ struct clk *ras_apb_clk)
+{
+ struct clk *clk;
+
+ clk = clk_register_fixed_rate(NULL, "smii_125m_pad_clk", NULL,
+ 0, 125000000);
+ clk_register_clkdev(clk, "smii_125m_pad", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0,
+ 1, 1);
+ clk_register_clkdev(clk, NULL, "90000000.clcd");
+
+ clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "emi", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "4c000000.flash");
+
+ clk = clk_register_fixed_factor(NULL, "i2c1_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "a7000000.i2c");
+
+ clk = clk_register_fixed_factor(NULL, "pwm_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "a8000000.pwm");
+
+ clk = clk_register_fixed_factor(NULL, "ssp1_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "a5000000.spi");
+
+ clk = clk_register_fixed_factor(NULL, "ssp2_clk", "ras_ahb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "a6000000.spi");
+
+ clk = clk_register_fixed_factor(NULL, "can0_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "c_can_platform.0");
+
+ clk = clk_register_fixed_factor(NULL, "can1_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "c_can_platform.1");
+
+ clk = clk_register_fixed_factor(NULL, "i2s_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "a9400000.i2s");
+
+ clk = clk_register_mux(NULL, "i2s_ref_clk", i2s_ref_parents,
+ ARRAY_SIZE(i2s_ref_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_CONTROL_REG, I2S_REF_PCLK_SHIFT,
+ I2S_REF_PCLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "i2s_ref_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "i2s_sclk", "i2s_ref_clk",
+ CLK_SET_RATE_PARENT, 1,
+ 4);
+ clk_register_clkdev(clk, "i2s_sclk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "macb1_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "hclk", "aa000000.eth");
+
+ clk = clk_register_fixed_factor(NULL, "macb2_clk", "ras_apb_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "hclk", "ab000000.eth");
+
+ clk = clk_register_mux(NULL, "rs485_clk", uartx_parents,
+ ARRAY_SIZE(uartx_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_EXT_CTRL_REG, SPEAR320_RS485_PCLK_SHIFT,
+ SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "a9300000.serial");
+
+ clk = clk_register_mux(NULL, "sdhci_clk", sdhci_parents,
+ ARRAY_SIZE(sdhci_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_CONTROL_REG, SDHCI_PCLK_SHIFT, SDHCI_PCLK_MASK,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "70000000.sdhci");
+
+ clk = clk_register_mux(NULL, "smii_pclk", smii0_parents,
+ ARRAY_SIZE(smii0_parents), CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_CONTROL_REG, SMII_PCLK_SHIFT, SMII_PCLK_MASK,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "smii_pclk");
+
+ clk = clk_register_fixed_factor(NULL, "smii_clk", "smii_pclk", 0, 1, 1);
+ clk_register_clkdev(clk, NULL, "smii");
+
+ clk = clk_register_mux(NULL, "uart1_clk", uartx_parents,
+ ARRAY_SIZE(uartx_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_CONTROL_REG, UART1_PCLK_SHIFT, UART1_PCLK_MASK,
+ 0, &_lock);
+ clk_register_clkdev(clk, NULL, "a3000000.serial");
+ /* Enforce ras_apb_clk */
+ clk_set_parent(clk, ras_apb_clk);
+
+ clk = clk_register_mux(NULL, "uart2_clk", uartx_parents,
+ ARRAY_SIZE(uartx_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_EXT_CTRL_REG, SPEAR320_UART2_PCLK_SHIFT,
+ SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "a4000000.serial");
+ /* Enforce ras_apb_clk */
+ clk_set_parent(clk, ras_apb_clk);
+
+ clk = clk_register_mux(NULL, "uart3_clk", uartx_parents,
+ ARRAY_SIZE(uartx_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_EXT_CTRL_REG, SPEAR320_UART3_PCLK_SHIFT,
+ SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "a9100000.serial");
+
+ clk = clk_register_mux(NULL, "uart4_clk", uartx_parents,
+ ARRAY_SIZE(uartx_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_EXT_CTRL_REG, SPEAR320_UART4_PCLK_SHIFT,
+ SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "a9200000.serial");
+
+ clk = clk_register_mux(NULL, "uart5_clk", uartx_parents,
+ ARRAY_SIZE(uartx_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_EXT_CTRL_REG, SPEAR320_UART5_PCLK_SHIFT,
+ SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "60000000.serial");
+
+ clk = clk_register_mux(NULL, "uart6_clk", uartx_parents,
+ ARRAY_SIZE(uartx_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ SPEAR320_EXT_CTRL_REG, SPEAR320_UART6_PCLK_SHIFT,
+ SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "60100000.serial");
+}
+#else
+static inline void spear320_clk_init(void __iomem *sb, struct clk *rc) { }
+#endif
+
+void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base)
+{
+ struct clk *clk, *clk1, *ras_apb_clk;
+
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
+ clk_register_clkdev(clk, "osc_32k_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000);
+ clk_register_clkdev(clk, "osc_24m_clk", NULL);
+
+ /* clock derived from 32 KHz osc clk */
+ clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
+ PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "fc900000.rtc");
+
+ /* clock derived from 24 MHz osc clk */
+ clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0,
+ 48000000);
+ clk_register_clkdev(clk, "pll3_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "fc880000.wdt");
+
+ clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL,
+ "osc_24m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco1_clk", NULL);
+ clk_register_clkdev(clk1, "pll1_clk", NULL);
+
+ clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL,
+ "osc_24m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl,
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco2_clk", NULL);
+ clk_register_clkdev(clk1, "pll2_clk", NULL);
+
+ /* clock derived from pll1 clk */
+ clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk",
+ CLK_SET_RATE_PARENT, 1, 1);
+ clk_register_clkdev(clk, "cpu_clk", NULL);
+
+ clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk",
+ CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT,
+ HCLK_RATIO_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "ahb_clk", NULL);
+
+ clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0,
+ UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
+ &_lock, &clk1);
+ clk_register_clkdev(clk, "uart_syn_clk", NULL);
+ clk_register_clkdev(clk1, "uart_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
+ ARRAY_SIZE(uart0_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0,
+ &_lock);
+ clk_register_clkdev(clk, "uart0_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart0", "uart0_mclk",
+ CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, UART_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "d0000000.serial");
+
+ clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk", 0,
+ FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
+ &_lock, &clk1);
+ clk_register_clkdev(clk, "firda_syn_clk", NULL);
+ clk_register_clkdev(clk1, "firda_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "firda_mclk", firda_parents,
+ ARRAY_SIZE(firda_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0,
+ &_lock);
+ clk_register_clkdev(clk, "firda_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "firda_clk", "firda_mclk",
+ CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "firda");
+
+ /* gpt clocks */
+ clk_register_gpt("gpt0_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG, gpt_rtbl,
+ ARRAY_SIZE(gpt_rtbl), &_lock);
+ clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents,
+ ARRAY_SIZE(gpt0_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "gpt0");
+
+ clk_register_gpt("gpt1_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG, gpt_rtbl,
+ ARRAY_SIZE(gpt_rtbl), &_lock);
+ clk = clk_register_mux(NULL, "gpt1_mclk", gpt1_parents,
+ ARRAY_SIZE(gpt1_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt1_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk",
+ CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt1");
+
+ clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl,
+ ARRAY_SIZE(gpt_rtbl), &_lock);
+ clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents,
+ ARRAY_SIZE(gpt2_parents),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt2_mclk", NULL);
+ clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk",
+ CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, NULL, "gpt2");
+
+ /* general synths clocks */
+ clk = clk_register_aux("gen0_syn_clk", "gen0_syn_gclk", "pll1_clk",
+ 0, GEN0_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
+ &_lock, &clk1);
+ clk_register_clkdev(clk, "gen0_syn_clk", NULL);
+ clk_register_clkdev(clk1, "gen0_syn_gclk", NULL);
+
+ clk = clk_register_aux("gen1_syn_clk", "gen1_syn_gclk", "pll1_clk",
+ 0, GEN1_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
+ &_lock, &clk1);
+ clk_register_clkdev(clk, "gen1_syn_clk", NULL);
+ clk_register_clkdev(clk1, "gen1_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "gen2_3_par_clk", gen2_3_parents,
+ ARRAY_SIZE(gen2_3_parents), CLK_SET_RATE_NO_REPARENT,
+ CORE_CLK_CFG, GEN_SYNTH2_3_CLK_SHIFT,
+ GEN_SYNTH2_3_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gen2_3_par_clk", NULL);
+
+ clk = clk_register_aux("gen2_syn_clk", "gen2_syn_gclk",
+ "gen2_3_par_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl,
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "gen2_syn_clk", NULL);
+ clk_register_clkdev(clk1, "gen2_syn_gclk", NULL);
+
+ clk = clk_register_aux("gen3_syn_clk", "gen3_syn_gclk",
+ "gen2_3_par_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl,
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
+ clk_register_clkdev(clk, "gen3_syn_clk", NULL);
+ clk_register_clkdev(clk1, "gen3_syn_gclk", NULL);
+
+ /* clock derived from pll3 clk */
+ clk = clk_register_gate(NULL, "usbh_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
+ USBH_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e1800000.ehci");
+ clk_register_clkdev(clk, NULL, "e1900000.ohci");
+ clk_register_clkdev(clk, NULL, "e2100000.ohci");
+
+ clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "usbh.0_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "usbh.1_clk", "usbh_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, "usbh.1_clk", NULL);
+
+ clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
+ USBD_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e1100000.usbd");
+
+ /* clock derived from ahb clk */
+ clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2,
+ 1);
+ clk_register_clkdev(clk, "ahbmult2_clk", NULL);
+
+ clk = clk_register_mux(NULL, "ddr_clk", ddr_parents,
+ ARRAY_SIZE(ddr_parents), CLK_SET_RATE_NO_REPARENT,
+ PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "ddr_clk", NULL);
+
+ clk = clk_register_divider(NULL, "apb_clk", "ahb_clk",
+ CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT,
+ PCLK_RATIO_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "apb_clk", NULL);
+
+ clk = clk_register_gate(NULL, "amem_clk", "ahb_clk", 0, AMEM_CLK_CFG,
+ AMEM_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "amem_clk", NULL);
+
+ clk = clk_register_gate(NULL, "c3_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ C3_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "c3_clk");
+
+ clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ DMA_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "fc400000.dma");
+
+ clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ GMAC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e0800000.eth");
+
+ clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ I2C_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0180000.i2c");
+
+ clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ JPEG_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "jpeg");
+
+ clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ SMI_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "fc000000.flash");
+
+ /* clock derived from apb clk */
+ clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ ADC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0080000.adc");
+
+ clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ GPIO_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "fc980000.gpio");
+
+ clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ SSP_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0100000.spi");
+
+ /* RAS clk enable */
+ clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0, RAS_CLK_ENB,
+ RAS_AHB_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "ras_ahb_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB,
+ RAS_APB_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "ras_apb_clk", NULL);
+ ras_apb_clk = clk;
+
+ clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0,
+ RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "ras_32k_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_24m_clk", "osc_24m_clk", 0,
+ RAS_CLK_ENB, RAS_24M_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "ras_24m_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_pll1_clk", "pll1_clk", 0,
+ RAS_CLK_ENB, RAS_PLL1_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "ras_pll1_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0,
+ RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "ras_pll2_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0,
+ RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, "ras_pll3_clk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_syn0_gclk", "gen0_syn_gclk",
+ CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT0_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_syn0_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_syn1_gclk", "gen1_syn_gclk",
+ CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT1_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_syn1_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_syn2_gclk", "gen2_syn_gclk",
+ CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT2_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_syn2_gclk", NULL);
+
+ clk = clk_register_gate(NULL, "ras_syn3_gclk", "gen3_syn_gclk",
+ CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT3_CLK_ENB, 0,
+ &_lock);
+ clk_register_clkdev(clk, "ras_syn3_gclk", NULL);
+
+ if (of_machine_is_compatible("st,spear300"))
+ spear300_clk_init();
+ else if (of_machine_is_compatible("st,spear310"))
+ spear310_clk_init();
+ else if (of_machine_is_compatible("st,spear320"))
+ spear320_clk_init(soc_config_base, ras_apb_clk);
+}
diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c
new file mode 100644
index 000000000..47810be7f
--- /dev/null
+++ b/drivers/clk/spear/spear6xx_clock.c
@@ -0,0 +1,340 @@
+/*
+ * SPEAr6xx machines clock framework source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ *
+ * 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/clkdev.h>
+#include <linux/io.h>
+#include <linux/spinlock_types.h>
+#include "clk.h"
+
+static DEFINE_SPINLOCK(_lock);
+
+#define PLL1_CTR (misc_base + 0x008)
+#define PLL1_FRQ (misc_base + 0x00C)
+#define PLL2_CTR (misc_base + 0x014)
+#define PLL2_FRQ (misc_base + 0x018)
+#define PLL_CLK_CFG (misc_base + 0x020)
+ /* PLL_CLK_CFG register masks */
+ #define MCTR_CLK_SHIFT 28
+ #define MCTR_CLK_MASK 3
+
+#define CORE_CLK_CFG (misc_base + 0x024)
+ /* CORE CLK CFG register masks */
+ #define HCLK_RATIO_SHIFT 10
+ #define HCLK_RATIO_MASK 2
+ #define PCLK_RATIO_SHIFT 8
+ #define PCLK_RATIO_MASK 2
+
+#define PERIP_CLK_CFG (misc_base + 0x028)
+ /* PERIP_CLK_CFG register masks */
+ #define CLCD_CLK_SHIFT 2
+ #define CLCD_CLK_MASK 2
+ #define UART_CLK_SHIFT 4
+ #define UART_CLK_MASK 1
+ #define FIRDA_CLK_SHIFT 5
+ #define FIRDA_CLK_MASK 2
+ #define GPT0_CLK_SHIFT 8
+ #define GPT1_CLK_SHIFT 10
+ #define GPT2_CLK_SHIFT 11
+ #define GPT3_CLK_SHIFT 12
+ #define GPT_CLK_MASK 1
+
+#define PERIP1_CLK_ENB (misc_base + 0x02C)
+ /* PERIP1_CLK_ENB register masks */
+ #define UART0_CLK_ENB 3
+ #define UART1_CLK_ENB 4
+ #define SSP0_CLK_ENB 5
+ #define SSP1_CLK_ENB 6
+ #define I2C_CLK_ENB 7
+ #define JPEG_CLK_ENB 8
+ #define FSMC_CLK_ENB 9
+ #define FIRDA_CLK_ENB 10
+ #define GPT2_CLK_ENB 11
+ #define GPT3_CLK_ENB 12
+ #define GPIO2_CLK_ENB 13
+ #define SSP2_CLK_ENB 14
+ #define ADC_CLK_ENB 15
+ #define GPT1_CLK_ENB 11
+ #define RTC_CLK_ENB 17
+ #define GPIO1_CLK_ENB 18
+ #define DMA_CLK_ENB 19
+ #define SMI_CLK_ENB 21
+ #define CLCD_CLK_ENB 22
+ #define GMAC_CLK_ENB 23
+ #define USBD_CLK_ENB 24
+ #define USBH0_CLK_ENB 25
+ #define USBH1_CLK_ENB 26
+
+#define PRSC0_CLK_CFG (misc_base + 0x044)
+#define PRSC1_CLK_CFG (misc_base + 0x048)
+#define PRSC2_CLK_CFG (misc_base + 0x04C)
+
+#define CLCD_CLK_SYNT (misc_base + 0x05C)
+#define FIRDA_CLK_SYNT (misc_base + 0x060)
+#define UART_CLK_SYNT (misc_base + 0x064)
+
+/* vco rate configuration table, in ascending order of rates */
+static struct pll_rate_tbl pll_rtbl[] = {
+ {.mode = 0, .m = 0x53, .n = 0x0F, .p = 0x1}, /* vco 332 & pll 166 MHz */
+ {.mode = 0, .m = 0x85, .n = 0x0F, .p = 0x1}, /* vco 532 & pll 266 MHz */
+ {.mode = 0, .m = 0xA6, .n = 0x0F, .p = 0x1}, /* vco 664 & pll 332 MHz */
+};
+
+/* aux rate configuration table, in ascending order of rates */
+static struct aux_rate_tbl aux_rtbl[] = {
+ /* For PLL1 = 332 MHz */
+ {.xscale = 2, .yscale = 27, .eq = 0}, /* 12.296 MHz */
+ {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */
+ {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */
+ {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */
+};
+
+static const char *clcd_parents[] = { "pll3_clk", "clcd_syn_gclk", };
+static const char *firda_parents[] = { "pll3_clk", "firda_syn_gclk", };
+static const char *uart_parents[] = { "pll3_clk", "uart_syn_gclk", };
+static const char *gpt0_1_parents[] = { "pll3_clk", "gpt0_1_syn_clk", };
+static const char *gpt2_parents[] = { "pll3_clk", "gpt2_syn_clk", };
+static const char *gpt3_parents[] = { "pll3_clk", "gpt3_syn_clk", };
+static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none",
+ "pll2_clk", };
+
+/* gpt rate configuration table, in ascending order of rates */
+static struct gpt_rate_tbl gpt_rtbl[] = {
+ /* For pll1 = 332 MHz */
+ {.mscale = 4, .nscale = 0}, /* 41.5 MHz */
+ {.mscale = 2, .nscale = 0}, /* 55.3 MHz */
+ {.mscale = 1, .nscale = 0}, /* 83 MHz */
+};
+
+void __init spear6xx_clk_init(void __iomem *misc_base)
+{
+ struct clk *clk, *clk1;
+
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
+ clk_register_clkdev(clk, "osc_32k_clk", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "osc_30m_clk", NULL, 0, 30000000);
+ clk_register_clkdev(clk, "osc_30m_clk", NULL);
+
+ /* clock derived from 32 KHz osc clk */
+ clk = clk_register_gate(NULL, "rtc_spear", "osc_32k_clk", 0,
+ PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "rtc-spear");
+
+ /* clock derived from 30 MHz osc clk */
+ clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0,
+ 48000000);
+ clk_register_clkdev(clk, "pll3_clk", NULL);
+
+ clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "osc_30m_clk",
+ 0, PLL1_CTR, PLL1_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl),
+ &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco1_clk", NULL);
+ clk_register_clkdev(clk1, "pll1_clk", NULL);
+
+ clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "osc_30m_clk",
+ 0, PLL2_CTR, PLL2_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl),
+ &_lock, &clk1, NULL);
+ clk_register_clkdev(clk, "vco2_clk", NULL);
+ clk_register_clkdev(clk1, "pll2_clk", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_30m_clk", 0, 1,
+ 1);
+ clk_register_clkdev(clk, NULL, "fc880000.wdt");
+
+ /* clock derived from pll1 clk */
+ clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk",
+ CLK_SET_RATE_PARENT, 1, 1);
+ clk_register_clkdev(clk, "cpu_clk", NULL);
+
+ clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk",
+ CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT,
+ HCLK_RATIO_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "ahb_clk", NULL);
+
+ clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0,
+ UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
+ &_lock, &clk1);
+ clk_register_clkdev(clk, "uart_syn_clk", NULL);
+ clk_register_clkdev(clk1, "uart_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "uart_mclk", uart_parents,
+ ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0,
+ &_lock);
+ clk_register_clkdev(clk, "uart_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "uart0", "uart_mclk", 0, PERIP1_CLK_ENB,
+ UART0_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0000000.serial");
+
+ clk = clk_register_gate(NULL, "uart1", "uart_mclk", 0, PERIP1_CLK_ENB,
+ UART1_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0080000.serial");
+
+ clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk",
+ 0, FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
+ &_lock, &clk1);
+ clk_register_clkdev(clk, "firda_syn_clk", NULL);
+ clk_register_clkdev(clk1, "firda_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "firda_mclk", firda_parents,
+ ARRAY_SIZE(firda_parents), CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0,
+ &_lock);
+ clk_register_clkdev(clk, "firda_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "firda_clk", "firda_mclk", 0,
+ PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "firda");
+
+ clk = clk_register_aux("clcd_syn_clk", "clcd_syn_gclk", "pll1_clk",
+ 0, CLCD_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
+ &_lock, &clk1);
+ clk_register_clkdev(clk, "clcd_syn_clk", NULL);
+ clk_register_clkdev(clk1, "clcd_syn_gclk", NULL);
+
+ clk = clk_register_mux(NULL, "clcd_mclk", clcd_parents,
+ ARRAY_SIZE(clcd_parents), CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, CLCD_CLK_SHIFT, CLCD_CLK_MASK, 0,
+ &_lock);
+ clk_register_clkdev(clk, "clcd_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "clcd_clk", "clcd_mclk", 0,
+ PERIP1_CLK_ENB, CLCD_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "clcd");
+
+ /* gpt clocks */
+ clk = clk_register_gpt("gpt0_1_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG,
+ gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
+ clk_register_clkdev(clk, "gpt0_1_syn_clk", NULL);
+
+ clk = clk_register_mux(NULL, "gpt0_mclk", gpt0_1_parents,
+ ARRAY_SIZE(gpt0_1_parents), CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "gpt0");
+
+ clk = clk_register_mux(NULL, "gpt1_mclk", gpt0_1_parents,
+ ARRAY_SIZE(gpt0_1_parents), CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt1_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
+ PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "gpt1");
+
+ clk = clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG,
+ gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
+ clk_register_clkdev(clk, "gpt2_syn_clk", NULL);
+
+ clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents,
+ ARRAY_SIZE(gpt2_parents), CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt2_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
+ PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "gpt2");
+
+ clk = clk_register_gpt("gpt3_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG,
+ gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
+ clk_register_clkdev(clk, "gpt3_syn_clk", NULL);
+
+ clk = clk_register_mux(NULL, "gpt3_mclk", gpt3_parents,
+ ARRAY_SIZE(gpt3_parents), CLK_SET_RATE_NO_REPARENT,
+ PERIP_CLK_CFG, GPT3_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "gpt3_mclk", NULL);
+
+ clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
+ PERIP1_CLK_ENB, GPT3_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "gpt3");
+
+ /* clock derived from pll3 clk */
+ clk = clk_register_gate(NULL, "usbh0_clk", "pll3_clk", 0,
+ PERIP1_CLK_ENB, USBH0_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e1800000.ehci");
+ clk_register_clkdev(clk, NULL, "e1900000.ohci");
+
+ clk = clk_register_gate(NULL, "usbh1_clk", "pll3_clk", 0,
+ PERIP1_CLK_ENB, USBH1_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e2000000.ehci");
+ clk_register_clkdev(clk, NULL, "e2100000.ohci");
+
+ clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
+ USBD_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "designware_udc");
+
+ /* clock derived from ahb clk */
+ clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2,
+ 1);
+ clk_register_clkdev(clk, "ahbmult2_clk", NULL);
+
+ clk = clk_register_mux(NULL, "ddr_clk", ddr_parents,
+ ARRAY_SIZE(ddr_parents), CLK_SET_RATE_NO_REPARENT,
+ PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "ddr_clk", NULL);
+
+ clk = clk_register_divider(NULL, "apb_clk", "ahb_clk",
+ CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT,
+ PCLK_RATIO_MASK, 0, &_lock);
+ clk_register_clkdev(clk, "apb_clk", NULL);
+
+ clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ DMA_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "fc400000.dma");
+
+ clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ FSMC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d1800000.flash");
+
+ clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ GMAC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "e0800000.ethernet");
+
+ clk = clk_register_gate(NULL, "i2c_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ I2C_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d0200000.i2c");
+
+ clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ JPEG_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "jpeg");
+
+ clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
+ SMI_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "fc000000.flash");
+
+ /* clock derived from apb clk */
+ clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ ADC_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d820b000.adc");
+
+ clk = clk_register_fixed_factor(NULL, "gpio0_clk", "apb_clk", 0, 1, 1);
+ clk_register_clkdev(clk, NULL, "f0100000.gpio");
+
+ clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ GPIO1_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "fc980000.gpio");
+
+ clk = clk_register_gate(NULL, "gpio2_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ GPIO2_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "d8100000.gpio");
+
+ clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ SSP0_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "ssp-pl022.0");
+
+ clk = clk_register_gate(NULL, "ssp1_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ SSP1_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "ssp-pl022.1");
+
+ clk = clk_register_gate(NULL, "ssp2_clk", "apb_clk", 0, PERIP1_CLK_ENB,
+ SSP2_CLK_ENB, 0, &_lock);
+ clk_register_clkdev(clk, NULL, "ssp-pl022.2");
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 02:40:50 +0000