Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 793 insertions, 0 deletions

diff --git a/drivers/clk/ingenic/jz4780-cgu.c b/drivers/clk/ingenic/jz4780-cgu.c
new file mode 100644
index 000000000..0268d23eb
--- /dev/null
+++ b/drivers/clk/ingenic/jz4780-cgu.c
@@ -0,0 +1,793 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Ingenic JZ4780 SoC CGU driver
+ *
+ * Copyright (c) 2013-2015 Imagination Technologies
+ * Author: Paul Burton <paul.burton@mips.com>
+ * Copyright (c) 2020 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/of.h>
+
+#include <dt-bindings/clock/jz4780-cgu.h>
+
+#include "cgu.h"
+#include "pm.h"
+
+/* CGU register offsets */
+#define CGU_REG_CLOCKCONTROL	0x00
+#define CGU_REG_LCR				0x04
+#define CGU_REG_APLL			0x10
+#define CGU_REG_MPLL			0x14
+#define CGU_REG_EPLL			0x18
+#define CGU_REG_VPLL			0x1c
+#define CGU_REG_CLKGR0			0x20
+#define CGU_REG_OPCR			0x24
+#define CGU_REG_CLKGR1			0x28
+#define CGU_REG_DDRCDR			0x2c
+#define CGU_REG_VPUCDR			0x30
+#define CGU_REG_USBPCR			0x3c
+#define CGU_REG_USBRDT			0x40
+#define CGU_REG_USBVBFIL		0x44
+#define CGU_REG_USBPCR1			0x48
+#define CGU_REG_LP0CDR			0x54
+#define CGU_REG_I2SCDR			0x60
+#define CGU_REG_LP1CDR			0x64
+#define CGU_REG_MSC0CDR			0x68
+#define CGU_REG_UHCCDR			0x6c
+#define CGU_REG_SSICDR			0x74
+#define CGU_REG_CIMCDR			0x7c
+#define CGU_REG_PCMCDR			0x84
+#define CGU_REG_GPUCDR			0x88
+#define CGU_REG_HDMICDR			0x8c
+#define CGU_REG_MSC1CDR			0xa4
+#define CGU_REG_MSC2CDR			0xa8
+#define CGU_REG_BCHCDR			0xac
+#define CGU_REG_CLOCKSTATUS		0xd4
+
+/* bits within the OPCR register */
+#define OPCR_SPENDN0			BIT(7)
+#define OPCR_SPENDN1			BIT(6)
+
+/* bits within the USBPCR register */
+#define USBPCR_USB_MODE			BIT(31)
+#define USBPCR_IDPULLUP_MASK	(0x3 << 28)
+#define USBPCR_COMMONONN		BIT(25)
+#define USBPCR_VBUSVLDEXT		BIT(24)
+#define USBPCR_VBUSVLDEXTSEL	BIT(23)
+#define USBPCR_POR				BIT(22)
+#define USBPCR_SIDDQ			BIT(21)
+#define USBPCR_OTG_DISABLE		BIT(20)
+#define USBPCR_COMPDISTUNE_MASK	(0x7 << 17)
+#define USBPCR_OTGTUNE_MASK		(0x7 << 14)
+#define USBPCR_SQRXTUNE_MASK	(0x7 << 11)
+#define USBPCR_TXFSLSTUNE_MASK	(0xf << 7)
+#define USBPCR_TXPREEMPHTUNE	BIT(6)
+#define USBPCR_TXHSXVTUNE_MASK	(0x3 << 4)
+#define USBPCR_TXVREFTUNE_MASK	0xf
+
+/* bits within the USBPCR1 register */
+#define USBPCR1_REFCLKSEL_SHIFT	26
+#define USBPCR1_REFCLKSEL_MASK	(0x3 << USBPCR1_REFCLKSEL_SHIFT)
+#define USBPCR1_REFCLKSEL_CORE	(0x2 << USBPCR1_REFCLKSEL_SHIFT)
+#define USBPCR1_REFCLKDIV_SHIFT	24
+#define USBPCR1_REFCLKDIV_MASK	(0x3 << USBPCR1_REFCLKDIV_SHIFT)
+#define USBPCR1_REFCLKDIV_19_2	(0x3 << USBPCR1_REFCLKDIV_SHIFT)
+#define USBPCR1_REFCLKDIV_48	(0x2 << USBPCR1_REFCLKDIV_SHIFT)
+#define USBPCR1_REFCLKDIV_24	(0x1 << USBPCR1_REFCLKDIV_SHIFT)
+#define USBPCR1_REFCLKDIV_12	(0x0 << USBPCR1_REFCLKDIV_SHIFT)
+#define USBPCR1_USB_SEL			BIT(28)
+#define USBPCR1_WORD_IF0		BIT(19)
+#define USBPCR1_WORD_IF1		BIT(18)
+
+/* bits within the USBRDT register */
+#define USBRDT_VBFIL_LD_EN		BIT(25)
+#define USBRDT_USBRDT_MASK		0x7fffff
+
+/* bits within the USBVBFIL register */
+#define USBVBFIL_IDDIGFIL_SHIFT	16
+#define USBVBFIL_IDDIGFIL_MASK	(0xffff << USBVBFIL_IDDIGFIL_SHIFT)
+#define USBVBFIL_USBVBFIL_MASK	(0xffff)
+
+/* bits within the LCR register */
+#define LCR_PD_SCPU				BIT(31)
+#define LCR_SCPUS				BIT(27)
+
+/* bits within the CLKGR1 register */
+#define CLKGR1_CORE1			BIT(15)
+
+static struct ingenic_cgu *cgu;
+
+static unsigned long jz4780_otg_phy_recalc_rate(struct clk_hw *hw,
+						unsigned long parent_rate)
+{
+	u32 usbpcr1;
+	unsigned refclk_div;
+
+	usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1);
+	refclk_div = usbpcr1 & USBPCR1_REFCLKDIV_MASK;
+
+	switch (refclk_div) {
+	case USBPCR1_REFCLKDIV_12:
+		return 12000000;
+
+	case USBPCR1_REFCLKDIV_24:
+		return 24000000;
+
+	case USBPCR1_REFCLKDIV_48:
+		return 48000000;
+
+	case USBPCR1_REFCLKDIV_19_2:
+		return 19200000;
+	}
+
+	return parent_rate;
+}
+
+static long jz4780_otg_phy_round_rate(struct clk_hw *hw, unsigned long req_rate,
+				      unsigned long *parent_rate)
+{
+	if (req_rate < 15600000)
+		return 12000000;
+
+	if (req_rate < 21600000)
+		return 19200000;
+
+	if (req_rate < 36000000)
+		return 24000000;
+
+	return 48000000;
+}
+
+static int jz4780_otg_phy_set_rate(struct clk_hw *hw, unsigned long req_rate,
+				   unsigned long parent_rate)
+{
+	unsigned long flags;
+	u32 usbpcr1, div_bits;
+
+	switch (req_rate) {
+	case 12000000:
+		div_bits = USBPCR1_REFCLKDIV_12;
+		break;
+
+	case 19200000:
+		div_bits = USBPCR1_REFCLKDIV_19_2;
+		break;
+
+	case 24000000:
+		div_bits = USBPCR1_REFCLKDIV_24;
+		break;
+
+	case 48000000:
+		div_bits = USBPCR1_REFCLKDIV_48;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&cgu->lock, flags);
+
+	usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1);
+	usbpcr1 &= ~USBPCR1_REFCLKDIV_MASK;
+	usbpcr1 |= div_bits;
+	writel(usbpcr1, cgu->base + CGU_REG_USBPCR1);
+
+	spin_unlock_irqrestore(&cgu->lock, flags);
+	return 0;
+}
+
+static int jz4780_otg_phy_enable(struct clk_hw *hw)
+{
+	void __iomem *reg_opcr		= cgu->base + CGU_REG_OPCR;
+	void __iomem *reg_usbpcr	= cgu->base + CGU_REG_USBPCR;
+
+	writel(readl(reg_opcr) | OPCR_SPENDN0, reg_opcr);
+	writel(readl(reg_usbpcr) & ~USBPCR_OTG_DISABLE & ~USBPCR_SIDDQ, reg_usbpcr);
+	return 0;
+}
+
+static void jz4780_otg_phy_disable(struct clk_hw *hw)
+{
+	void __iomem *reg_opcr		= cgu->base + CGU_REG_OPCR;
+	void __iomem *reg_usbpcr	= cgu->base + CGU_REG_USBPCR;
+
+	writel(readl(reg_opcr) & ~OPCR_SPENDN0, reg_opcr);
+	writel(readl(reg_usbpcr) | USBPCR_OTG_DISABLE | USBPCR_SIDDQ, reg_usbpcr);
+}
+
+static int jz4780_otg_phy_is_enabled(struct clk_hw *hw)
+{
+	void __iomem *reg_opcr		= cgu->base + CGU_REG_OPCR;
+	void __iomem *reg_usbpcr	= cgu->base + CGU_REG_USBPCR;
+
+	return (readl(reg_opcr) & OPCR_SPENDN0) &&
+		!(readl(reg_usbpcr) & USBPCR_SIDDQ) &&
+		!(readl(reg_usbpcr) & USBPCR_OTG_DISABLE);
+}
+
+static const struct clk_ops jz4780_otg_phy_ops = {
+	.recalc_rate = jz4780_otg_phy_recalc_rate,
+	.round_rate = jz4780_otg_phy_round_rate,
+	.set_rate = jz4780_otg_phy_set_rate,
+
+	.enable		= jz4780_otg_phy_enable,
+	.disable	= jz4780_otg_phy_disable,
+	.is_enabled	= jz4780_otg_phy_is_enabled,
+};
+
+static int jz4780_core1_enable(struct clk_hw *hw)
+{
+	struct ingenic_clk *ingenic_clk = to_ingenic_clk(hw);
+	struct ingenic_cgu *cgu = ingenic_clk->cgu;
+	const unsigned int timeout = 5000;
+	unsigned long flags;
+	int retval;
+	u32 lcr, clkgr1;
+
+	spin_lock_irqsave(&cgu->lock, flags);
+
+	lcr = readl(cgu->base + CGU_REG_LCR);
+	lcr &= ~LCR_PD_SCPU;
+	writel(lcr, cgu->base + CGU_REG_LCR);
+
+	clkgr1 = readl(cgu->base + CGU_REG_CLKGR1);
+	clkgr1 &= ~CLKGR1_CORE1;
+	writel(clkgr1, cgu->base + CGU_REG_CLKGR1);
+
+	spin_unlock_irqrestore(&cgu->lock, flags);
+
+	/* wait for the CPU to be powered up */
+	retval = readl_poll_timeout(cgu->base + CGU_REG_LCR, lcr,
+				 !(lcr & LCR_SCPUS), 10, timeout);
+	if (retval == -ETIMEDOUT) {
+		pr_err("%s: Wait for power up core1 timeout\n", __func__);
+		return retval;
+	}
+
+	return 0;
+}
+
+static const struct clk_ops jz4780_core1_ops = {
+	.enable = jz4780_core1_enable,
+};
+
+static const s8 pll_od_encoding[16] = {
+	0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
+	0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf,
+};
+
+static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = {
+
+	/* External clocks */
+
+	[JZ4780_CLK_EXCLK] = { "ext", CGU_CLK_EXT },
+	[JZ4780_CLK_RTCLK] = { "rtc", CGU_CLK_EXT },
+
+	/* PLLs */
+
+#define DEF_PLL(name) { \
+	.reg = CGU_REG_ ## name, \
+	.rate_multiplier = 1, \
+	.m_shift = 19, \
+	.m_bits = 13, \
+	.m_offset = 1, \
+	.n_shift = 13, \
+	.n_bits = 6, \
+	.n_offset = 1, \
+	.od_shift = 9, \
+	.od_bits = 4, \
+	.od_max = 16, \
+	.od_encoding = pll_od_encoding, \
+	.stable_bit = 6, \
+	.bypass_reg = CGU_REG_ ## name, \
+	.bypass_bit = 1, \
+	.enable_bit = 0, \
+}
+
+	[JZ4780_CLK_APLL] = {
+		"apll", CGU_CLK_PLL,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.pll = DEF_PLL(APLL),
+	},
+
+	[JZ4780_CLK_MPLL] = {
+		"mpll", CGU_CLK_PLL,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.pll = DEF_PLL(MPLL),
+	},
+
+	[JZ4780_CLK_EPLL] = {
+		"epll", CGU_CLK_PLL,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.pll = DEF_PLL(EPLL),
+	},
+
+	[JZ4780_CLK_VPLL] = {
+		"vpll", CGU_CLK_PLL,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.pll = DEF_PLL(VPLL),
+	},
+
+#undef DEF_PLL
+
+	/* Custom (SoC-specific) OTG PHY */
+
+	[JZ4780_CLK_OTGPHY] = {
+		"otg_phy", CGU_CLK_CUSTOM,
+		.parents = { -1, -1, JZ4780_CLK_EXCLK, -1 },
+		.custom = { &jz4780_otg_phy_ops },
+	},
+
+	/* Muxes & dividers */
+
+	[JZ4780_CLK_SCLKA] = {
+		"sclk_a", CGU_CLK_MUX,
+		.parents = { -1, JZ4780_CLK_APLL, JZ4780_CLK_EXCLK,
+			     JZ4780_CLK_RTCLK },
+		.mux = { CGU_REG_CLOCKCONTROL, 30, 2 },
+	},
+
+	[JZ4780_CLK_CPUMUX] = {
+		"cpumux", CGU_CLK_MUX,
+		.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_EPLL },
+		.mux = { CGU_REG_CLOCKCONTROL, 28, 2 },
+	},
+
+	[JZ4780_CLK_CPU] = {
+		"cpu", CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 },
+		.div = { CGU_REG_CLOCKCONTROL, 0, 1, 4, 22, -1, -1 },
+	},
+
+	[JZ4780_CLK_L2CACHE] = {
+		"l2cache", CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 },
+		.div = { CGU_REG_CLOCKCONTROL, 4, 1, 4, -1, -1, -1 },
+	},
+
+	[JZ4780_CLK_AHB0] = {
+		"ahb0", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_EPLL },
+		.mux = { CGU_REG_CLOCKCONTROL, 26, 2 },
+		.div = { CGU_REG_CLOCKCONTROL, 8, 1, 4, 21, -1, -1 },
+	},
+
+	[JZ4780_CLK_AHB2PMUX] = {
+		"ahb2_apb_mux", CGU_CLK_MUX,
+		.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_RTCLK },
+		.mux = { CGU_REG_CLOCKCONTROL, 24, 2 },
+	},
+
+	[JZ4780_CLK_AHB2] = {
+		"ahb2", CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 },
+		.div = { CGU_REG_CLOCKCONTROL, 12, 1, 4, 20, -1, -1 },
+	},
+
+	[JZ4780_CLK_PCLK] = {
+		"pclk", CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 },
+		.div = { CGU_REG_CLOCKCONTROL, 16, 1, 4, 20, -1, -1 },
+	},
+
+	[JZ4780_CLK_DDR] = {
+		"ddr", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 },
+		.mux = { CGU_REG_DDRCDR, 30, 2 },
+		.div = { CGU_REG_DDRCDR, 0, 1, 4, 29, 28, 27 },
+	},
+
+	[JZ4780_CLK_VPU] = {
+		"vpu", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_EPLL, -1 },
+		.mux = { CGU_REG_VPUCDR, 30, 2 },
+		.div = { CGU_REG_VPUCDR, 0, 1, 4, 29, 28, 27 },
+		.gate = { CGU_REG_CLKGR1, 2 },
+	},
+
+	[JZ4780_CLK_I2SPLL] = {
+		"i2s_pll", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_EPLL, -1, -1 },
+		.mux = { CGU_REG_I2SCDR, 30, 1 },
+		.div = { CGU_REG_I2SCDR, 0, 1, 8, 29, 28, 27 },
+	},
+
+	[JZ4780_CLK_I2S] = {
+		"i2s", CGU_CLK_MUX,
+		.parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_I2SPLL, -1, -1 },
+		.mux = { CGU_REG_I2SCDR, 31, 1 },
+	},
+
+	[JZ4780_CLK_LCD0PIXCLK] = {
+		"lcd0pixclk", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_VPLL, -1 },
+		.mux = { CGU_REG_LP0CDR, 30, 2 },
+		.div = { CGU_REG_LP0CDR, 0, 1, 8, 28, 27, 26 },
+	},
+
+	[JZ4780_CLK_LCD1PIXCLK] = {
+		"lcd1pixclk", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_VPLL, -1 },
+		.mux = { CGU_REG_LP1CDR, 30, 2 },
+		.div = { CGU_REG_LP1CDR, 0, 1, 8, 28, 27, 26 },
+	},
+
+	[JZ4780_CLK_MSCMUX] = {
+		"msc_mux", CGU_CLK_MUX,
+		.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 },
+		.mux = { CGU_REG_MSC0CDR, 30, 2 },
+	},
+
+	[JZ4780_CLK_MSC0] = {
+		"msc0", CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 },
+		.div = { CGU_REG_MSC0CDR, 0, 2, 8, 29, 28, 27 },
+		.gate = { CGU_REG_CLKGR0, 3 },
+	},
+
+	[JZ4780_CLK_MSC1] = {
+		"msc1", CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 },
+		.div = { CGU_REG_MSC1CDR, 0, 2, 8, 29, 28, 27 },
+		.gate = { CGU_REG_CLKGR0, 11 },
+	},
+
+	[JZ4780_CLK_MSC2] = {
+		"msc2", CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 },
+		.div = { CGU_REG_MSC2CDR, 0, 2, 8, 29, 28, 27 },
+		.gate = { CGU_REG_CLKGR0, 12 },
+	},
+
+	[JZ4780_CLK_UHC] = {
+		"uhc", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_EPLL, JZ4780_CLK_OTGPHY },
+		.mux = { CGU_REG_UHCCDR, 30, 2 },
+		.div = { CGU_REG_UHCCDR, 0, 1, 8, 29, 28, 27 },
+		.gate = { CGU_REG_CLKGR0, 24 },
+	},
+
+	[JZ4780_CLK_SSIPLL] = {
+		"ssi_pll", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 },
+		.mux = { CGU_REG_SSICDR, 30, 1 },
+		.div = { CGU_REG_SSICDR, 0, 1, 8, 29, 28, 27 },
+	},
+
+	[JZ4780_CLK_SSI] = {
+		"ssi", CGU_CLK_MUX,
+		.parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_SSIPLL, -1, -1 },
+		.mux = { CGU_REG_SSICDR, 31, 1 },
+	},
+
+	[JZ4780_CLK_CIMMCLK] = {
+		"cim_mclk", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 },
+		.mux = { CGU_REG_CIMCDR, 31, 1 },
+		.div = { CGU_REG_CIMCDR, 0, 1, 8, 30, 29, 28 },
+	},
+
+	[JZ4780_CLK_PCMPLL] = {
+		"pcm_pll", CGU_CLK_MUX | CGU_CLK_DIV,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_EPLL, JZ4780_CLK_VPLL },
+		.mux = { CGU_REG_PCMCDR, 29, 2 },
+		.div = { CGU_REG_PCMCDR, 0, 1, 8, 28, 27, 26 },
+	},
+
+	[JZ4780_CLK_PCM] = {
+		"pcm", CGU_CLK_MUX | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_PCMPLL, -1, -1 },
+		.mux = { CGU_REG_PCMCDR, 31, 1 },
+		.gate = { CGU_REG_CLKGR1, 3 },
+	},
+
+	[JZ4780_CLK_GPU] = {
+		"gpu", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_EPLL },
+		.mux = { CGU_REG_GPUCDR, 30, 2 },
+		.div = { CGU_REG_GPUCDR, 0, 1, 4, 29, 28, 27 },
+		.gate = { CGU_REG_CLKGR1, 4 },
+	},
+
+	[JZ4780_CLK_HDMI] = {
+		"hdmi", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_VPLL, -1 },
+		.mux = { CGU_REG_HDMICDR, 30, 2 },
+		.div = { CGU_REG_HDMICDR, 0, 1, 8, 29, 28, 26 },
+		.gate = { CGU_REG_CLKGR1, 9 },
+	},
+
+	[JZ4780_CLK_BCH] = {
+		"bch", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+		.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
+			     JZ4780_CLK_EPLL },
+		.mux = { CGU_REG_BCHCDR, 30, 2 },
+		.div = { CGU_REG_BCHCDR, 0, 1, 4, 29, 28, 27 },
+		.gate = { CGU_REG_CLKGR0, 1 },
+	},
+
+	[JZ4780_CLK_EXCLK_DIV512] = {
+		"exclk_div512", CGU_CLK_FIXDIV,
+		.parents = { JZ4780_CLK_EXCLK },
+		.fixdiv = { 512 },
+	},
+
+	[JZ4780_CLK_RTC] = {
+		"rtc_ercs", CGU_CLK_MUX | CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK_DIV512, JZ4780_CLK_RTCLK },
+		.mux = { CGU_REG_OPCR, 2, 1},
+	},
+
+	/* Gate-only clocks */
+
+	[JZ4780_CLK_NEMC] = {
+		"nemc", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_AHB2, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 0 },
+	},
+
+	[JZ4780_CLK_OTG0] = {
+		"otg0", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 2 },
+	},
+
+	[JZ4780_CLK_SSI0] = {
+		"ssi0", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_SSI, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 4 },
+	},
+
+	[JZ4780_CLK_SMB0] = {
+		"smb0", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 5 },
+	},
+
+	[JZ4780_CLK_SMB1] = {
+		"smb1", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 6 },
+	},
+
+	[JZ4780_CLK_SCC] = {
+		"scc", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 7 },
+	},
+
+	[JZ4780_CLK_AIC] = {
+		"aic", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 8 },
+	},
+
+	[JZ4780_CLK_TSSI0] = {
+		"tssi0", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 9 },
+	},
+
+	[JZ4780_CLK_OWI] = {
+		"owi", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 10 },
+	},
+
+	[JZ4780_CLK_KBC] = {
+		"kbc", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 13 },
+	},
+
+	[JZ4780_CLK_SADC] = {
+		"sadc", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 14 },
+	},
+
+	[JZ4780_CLK_UART0] = {
+		"uart0", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 15 },
+	},
+
+	[JZ4780_CLK_UART1] = {
+		"uart1", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 16 },
+	},
+
+	[JZ4780_CLK_UART2] = {
+		"uart2", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 17 },
+	},
+
+	[JZ4780_CLK_UART3] = {
+		"uart3", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 18 },
+	},
+
+	[JZ4780_CLK_SSI1] = {
+		"ssi1", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_SSI, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 19 },
+	},
+
+	[JZ4780_CLK_SSI2] = {
+		"ssi2", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_SSI, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 20 },
+	},
+
+	[JZ4780_CLK_PDMA] = {
+		"pdma", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 21 },
+	},
+
+	[JZ4780_CLK_GPS] = {
+		"gps", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 22 },
+	},
+
+	[JZ4780_CLK_MAC] = {
+		"mac", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 23 },
+	},
+
+	[JZ4780_CLK_SMB2] = {
+		"smb2", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 24 },
+	},
+
+	[JZ4780_CLK_CIM] = {
+		"cim", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 26 },
+	},
+
+	[JZ4780_CLK_LCD] = {
+		"lcd", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 28 },
+	},
+
+	[JZ4780_CLK_TVE] = {
+		"tve", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_LCD, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 27 },
+	},
+
+	[JZ4780_CLK_IPU] = {
+		"ipu", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 29 },
+	},
+
+	[JZ4780_CLK_DDR0] = {
+		"ddr0", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_DDR, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 30 },
+	},
+
+	[JZ4780_CLK_DDR1] = {
+		"ddr1", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_DDR, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR0, 31 },
+	},
+
+	[JZ4780_CLK_SMB3] = {
+		"smb3", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 0 },
+	},
+
+	[JZ4780_CLK_TSSI1] = {
+		"tssi1", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 1 },
+	},
+
+	[JZ4780_CLK_COMPRESS] = {
+		"compress", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 5 },
+	},
+
+	[JZ4780_CLK_AIC1] = {
+		"aic1", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 6 },
+	},
+
+	[JZ4780_CLK_GPVLC] = {
+		"gpvlc", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 7 },
+	},
+
+	[JZ4780_CLK_OTG1] = {
+		"otg1", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 8 },
+	},
+
+	[JZ4780_CLK_UART4] = {
+		"uart4", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 10 },
+	},
+
+	[JZ4780_CLK_AHBMON] = {
+		"ahb_mon", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 11 },
+	},
+
+	[JZ4780_CLK_SMB4] = {
+		"smb4", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 12 },
+	},
+
+	[JZ4780_CLK_DES] = {
+		"des", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 13 },
+	},
+
+	[JZ4780_CLK_X2D] = {
+		"x2d", CGU_CLK_GATE,
+		.parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR1, 14 },
+	},
+
+	[JZ4780_CLK_CORE1] = {
+		"core1", CGU_CLK_CUSTOM,
+		.parents = { JZ4780_CLK_CPU, -1, -1, -1 },
+		.custom = { &jz4780_core1_ops },
+	},
+
+};
+
+static void __init jz4780_cgu_init(struct device_node *np)
+{
+	int retval;
+
+	cgu = ingenic_cgu_new(jz4780_cgu_clocks,
+			      ARRAY_SIZE(jz4780_cgu_clocks), np);
+	if (!cgu) {
+		pr_err("%s: failed to initialise CGU\n", __func__);
+		return;
+	}
+
+	retval = ingenic_cgu_register_clocks(cgu);
+	if (retval) {
+		pr_err("%s: failed to register CGU Clocks\n", __func__);
+		return;
+	}
+
+	ingenic_cgu_register_syscore_ops(cgu);
+}
+CLK_OF_DECLARE_DRIVER(jz4780_cgu, "ingenic,jz4780-cgu", jz4780_cgu_init);