Re: [PATCH 6/6] clk: ingenic: Add support for the JZ4760

From: Zhou Yanjie
Date: Wed Mar 17 2021 - 08:42:56 EST


Hi Paul,

On 2021/3/7 下午10:17, Paul Cercueil wrote:
Add the CGU code and the compatible string to the TCU driver to support
the JZ4760 SoC.

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
drivers/clk/ingenic/Kconfig | 10 +
drivers/clk/ingenic/Makefile | 1 +
drivers/clk/ingenic/jz4760-cgu.c | 433 +++++++++++++++++++++++++
drivers/clk/ingenic/tcu.c | 2 +
include/dt-bindings/clock/jz4760-cgu.h | 54 +++
5 files changed, 500 insertions(+)
create mode 100644 drivers/clk/ingenic/jz4760-cgu.c
create mode 100644 include/dt-bindings/clock/jz4760-cgu.h

diff --git a/drivers/clk/ingenic/Kconfig b/drivers/clk/ingenic/Kconfig
index 580b0cf69ed5..898f1bc478c9 100644
--- a/drivers/clk/ingenic/Kconfig
+++ b/drivers/clk/ingenic/Kconfig
@@ -25,6 +25,16 @@ config INGENIC_CGU_JZ4725B
If building for a JZ4725B SoC, you want to say Y here.
+config INGENIC_CGU_JZ4760
+ bool "Ingenic JZ4760 CGU driver"
+ default MACH_JZ4760
+ select INGENIC_CGU_COMMON
+ help
+ Support the clocks provided by the CGU hardware on Ingenic JZ4760
+ and compatible SoCs.
+
+ If building for a JZ4760 SoC, you want to say Y here.
+
config INGENIC_CGU_JZ4770
bool "Ingenic JZ4770 CGU driver"
default MACH_JZ4770
diff --git a/drivers/clk/ingenic/Makefile b/drivers/clk/ingenic/Makefile
index aaa4bffe03c6..9edfaf4610b9 100644
--- a/drivers/clk/ingenic/Makefile
+++ b/drivers/clk/ingenic/Makefile
@@ -2,6 +2,7 @@
obj-$(CONFIG_INGENIC_CGU_COMMON) += cgu.o pm.o
obj-$(CONFIG_INGENIC_CGU_JZ4740) += jz4740-cgu.o
obj-$(CONFIG_INGENIC_CGU_JZ4725B) += jz4725b-cgu.o
+obj-$(CONFIG_INGENIC_CGU_JZ4760) += jz4760-cgu.o
obj-$(CONFIG_INGENIC_CGU_JZ4770) += jz4770-cgu.o
obj-$(CONFIG_INGENIC_CGU_JZ4780) += jz4780-cgu.o
obj-$(CONFIG_INGENIC_CGU_X1000) += x1000-cgu.o
diff --git a/drivers/clk/ingenic/jz4760-cgu.c b/drivers/clk/ingenic/jz4760-cgu.c
new file mode 100644
index 000000000000..a45327cba7d1
--- /dev/null
+++ b/drivers/clk/ingenic/jz4760-cgu.c
@@ -0,0 +1,433 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * JZ4760 SoC CGU driver
+ * Copyright 2018, Paul Cercueil <paul@xxxxxxxxxxxxxxx>
+ */
+
+#include <linux/bitops.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/of.h>
+
+#include <linux/clk.h>
+
+#include <dt-bindings/clock/jz4760-cgu.h>
+
+#include "cgu.h"
+#include "pm.h"
+
+#define MHZ (1000 * 1000)
+
+/*
+ * CPM registers offset address definition
+ */
+#define CGU_REG_CPCCR 0x00
+#define CGU_REG_LCR 0x04
+#define CGU_REG_CPPCR0 0x10
+#define CGU_REG_CLKGR0 0x20
+#define CGU_REG_OPCR 0x24
+#define CGU_REG_CLKGR1 0x28
+#define CGU_REG_CPPCR1 0x30
+#define CGU_REG_USBPCR 0x3c
+#define CGU_REG_USBCDR 0x50
+#define CGU_REG_I2SCDR 0x60
+#define CGU_REG_LPCDR 0x64
+#define CGU_REG_MSCCDR 0x68
+#define CGU_REG_UHCCDR 0x6c
+#define CGU_REG_SSICDR 0x74
+#define CGU_REG_CIMCDR 0x7c
+#define CGU_REG_GPSCDR 0x80
+#define CGU_REG_PCMCDR 0x84
+#define CGU_REG_GPUCDR 0x88
+
+static const s8 pll_od_encoding[8] = {
+ 0x0, 0x1, -1, 0x2, -1, -1, -1, 0x3,
+};
+
+static const u8 jz4760_cgu_cpccr_div_table[] = {
+ 1, 2, 3, 4, 6, 8,
+};
+
+static const u8 jz4760_cgu_pll_half_div_table[] = {
+ 2, 1,
+};
+
+static void
+jz4760_cgu_calc_m_n_od(const struct ingenic_cgu_pll_info *pll_info,
+ unsigned long rate, unsigned long parent_rate,
+ unsigned int *pm, unsigned int *pn, unsigned int *pod)
+{
+ unsigned int m, n, od;
+
+ /* The output of the PLL must be between 500 and 1500 MHz. */
+ rate = clamp_val(rate, 500ul * MHZ, 1500ul * MHZ);
+
+ /* The frequency after the N divider must be between 1 and 50 MHz. */
+ n = parent_rate / (1 * MHZ);
+
+ /* The N divider must be >= 2. */
+ n = clamp_val(n, 2, 1 << pll_info->n_bits);
+
+ for (;;) {
+ od = 0;
+
+ do {
+ m = (rate / MHZ) * ++od * n / (parent_rate / MHZ);


Please correct me if I am wrong, according to the PM, when the register value of OD is 0, 1, 2, 3, the value corresponding participating PL frequency calculation is 1, 2, 4, 8. Therefore, change

m = (rate / MHZ) * ++od * n / (parent_rate / MHZ); to m = (rate / MHZ) * (2 ^ od++) * n / (parent_rate / MHZ); seems to be more appropriate, it can avoid 3, 5, 6, and 7 that should not exist.


+ } while (m < pll_info->m_offset || m & 1);
+
+ if (m <= (1 << pll_info->m_bits) - 2)
+ break;
+
+ n >>= 1;
+ }
+
+ *pm = m;
+ *pn = n;
+ *pod = od;


If we change the above formula, we also need to change this to *pod = 2 ^ od;


Thanks and best regards!


+}
+
+static const struct ingenic_cgu_clk_info jz4760_cgu_clocks[] = {
+
+ /* External clocks */
+
+ [JZ4760_CLK_EXT] = { "ext", CGU_CLK_EXT },
+ [JZ4760_CLK_OSC32K] = { "osc32k", CGU_CLK_EXT },
+
+ /* PLLs */
+
+ [JZ4760_CLK_PLL0] = {
+ "pll0", CGU_CLK_PLL,
+ .parents = { JZ4760_CLK_EXT },
+ .pll = {
+ .reg = CGU_REG_CPPCR0,
+ .rate_multiplier = 1,
+ .m_shift = 23,
+ .m_bits = 8,
+ .m_offset = 0,
+ .n_shift = 18,
+ .n_bits = 4,
+ .n_offset = 0,
+ .od_shift = 16,
+ .od_bits = 2,
+ .od_max = 8,
+ .od_encoding = pll_od_encoding,
+ .bypass_reg = CGU_REG_CPPCR0,
+ .bypass_bit = 9,
+ .enable_bit = 8,
+ .stable_bit = 10,
+ .calc_m_n_od = jz4760_cgu_calc_m_n_od,
+ },
+ },
+
+ [JZ4760_CLK_PLL1] = {
+ /* TODO: PLL1 can depend on PLL0 */
+ "pll1", CGU_CLK_PLL,
+ .parents = { JZ4760_CLK_EXT },
+ .pll = {
+ .reg = CGU_REG_CPPCR1,
+ .rate_multiplier = 1,
+ .m_shift = 23,
+ .m_bits = 8,
+ .m_offset = 0,
+ .n_shift = 18,
+ .n_bits = 4,
+ .n_offset = 0,
+ .od_shift = 16,
+ .od_bits = 2,
+ .od_max = 8,
+ .od_encoding = pll_od_encoding,
+ .bypass_bit = -1,
+ .enable_bit = 7,
+ .stable_bit = 6,
+ .calc_m_n_od = jz4760_cgu_calc_m_n_od,
+ },
+ },
+
+ /* Main clocks */
+
+ [JZ4760_CLK_CCLK] = {
+ "cclk", CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_PLL0, },
+ .div = {
+ CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1, 0,
+ jz4760_cgu_cpccr_div_table,
+ },
+ },
+ [JZ4760_CLK_HCLK] = {
+ "hclk", CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_PLL0, },
+ .div = {
+ CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1, 0,
+ jz4760_cgu_cpccr_div_table,
+ },
+ },
+ [JZ4760_CLK_SCLK] = {
+ "sclk", CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_PLL0, },
+ .div = {
+ CGU_REG_CPCCR, 24, 1, 4, 22, -1, -1, 0,
+ jz4760_cgu_cpccr_div_table,
+ },
+ },
+ [JZ4760_CLK_H2CLK] = {
+ "h2clk", CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_PLL0, },
+ .div = {
+ CGU_REG_CPCCR, 16, 1, 4, 22, -1, -1, 0,
+ jz4760_cgu_cpccr_div_table,
+ },
+ },
+ [JZ4760_CLK_MCLK] = {
+ "mclk", CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_PLL0, },
+ .div = {
+ CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1, 0,
+ jz4760_cgu_cpccr_div_table,
+ },
+ },
+ [JZ4760_CLK_PCLK] = {
+ "pclk", CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_PLL0, },
+ .div = {
+ CGU_REG_CPCCR, 8, 1, 4, 22, -1, -1, 0,
+ jz4760_cgu_cpccr_div_table,
+ },
+ },
+
+ /* Divided clocks */
+
+ [JZ4760_CLK_PLL0_HALF] = {
+ "pll0_half", CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_PLL0 },
+ .div = {
+ CGU_REG_CPCCR, 21, 1, 1, 22, -1, -1, 0,
+ jz4760_cgu_pll_half_div_table,
+ },
+ },
+
+ /* Those divided clocks can connect to PLL0 or PLL1 */
+
+ [JZ4760_CLK_UHC] = {
+ "uhc", CGU_CLK_DIV | CGU_CLK_GATE | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_PLL0_HALF, JZ4760_CLK_PLL1, },
+ .mux = { CGU_REG_UHCCDR, 31, 1 },
+ .div = { CGU_REG_UHCCDR, 0, 1, 4, -1, -1, -1 },
+ .gate = { CGU_REG_CLKGR0, 24 },
+ },
+ [JZ4760_CLK_GPU] = {
+ "gpu", CGU_CLK_DIV | CGU_CLK_GATE | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_PLL0_HALF, JZ4760_CLK_PLL1, },
+ .mux = { CGU_REG_GPUCDR, 31, 1 },
+ .div = { CGU_REG_GPUCDR, 0, 1, 3, -1, -1, -1 },
+ .gate = { CGU_REG_CLKGR1, 9 },
+ },
+ [JZ4760_CLK_LPCLK_DIV] = {
+ "lpclk_div", CGU_CLK_DIV | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_PLL0_HALF, JZ4760_CLK_PLL1, },
+ .mux = { CGU_REG_LPCDR, 29, 1 },
+ .div = { CGU_REG_LPCDR, 0, 1, 11, -1, -1, -1 },
+ },
+ [JZ4760_CLK_TVE] = {
+ "tve", CGU_CLK_GATE | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_LPCLK_DIV, JZ4760_CLK_EXT, },
+ .mux = { CGU_REG_LPCDR, 31, 1 },
+ .gate = { CGU_REG_CLKGR0, 27 },
+ },
+ [JZ4760_CLK_LPCLK] = {
+ "lpclk", CGU_CLK_GATE | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_LPCLK_DIV, JZ4760_CLK_TVE, },
+ .mux = { CGU_REG_LPCDR, 30, 1 },
+ .gate = { CGU_REG_CLKGR0, 28 },
+ },
+ [JZ4760_CLK_GPS] = {
+ "gps", CGU_CLK_DIV | CGU_CLK_GATE | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_PLL0_HALF, JZ4760_CLK_PLL1, },
+ .mux = { CGU_REG_GPSCDR, 31, 1 },
+ .div = { CGU_REG_GPSCDR, 0, 1, 4, -1, -1, -1 },
+ .gate = { CGU_REG_CLKGR0, 22 },
+ },
+
+ /* Those divided clocks can connect to EXT, PLL0 or PLL1 */
+
+ [JZ4760_CLK_PCM] = {
+ "pcm", CGU_CLK_DIV | CGU_CLK_GATE | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_EXT, -1,
+ JZ4760_CLK_PLL0_HALF, JZ4760_CLK_PLL1 },
+ .mux = { CGU_REG_PCMCDR, 30, 2 },
+ .div = { CGU_REG_PCMCDR, 0, 1, 9, -1, -1, -1, BIT(0) },
+ .gate = { CGU_REG_CLKGR1, 8 },
+ },
+ [JZ4760_CLK_I2S] = {
+ "i2s", CGU_CLK_DIV | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_EXT, -1,
+ JZ4760_CLK_PLL0_HALF, JZ4760_CLK_PLL1 },
+ .mux = { CGU_REG_I2SCDR, 30, 2 },
+ .div = { CGU_REG_I2SCDR, 0, 1, 9, -1, -1, -1, BIT(0) },
+ },
+ [JZ4760_CLK_OTG] = {
+ "usb", CGU_CLK_DIV | CGU_CLK_GATE | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_EXT, -1,
+ JZ4760_CLK_PLL0_HALF, JZ4760_CLK_PLL1 },
+ .mux = { CGU_REG_USBCDR, 30, 2 },
+ .div = { CGU_REG_USBCDR, 0, 1, 8, -1, -1, -1 },
+ .gate = { CGU_REG_CLKGR0, 2 },
+ },
+
+ /* Those divided clocks can connect to EXT or PLL0 */
+ [JZ4760_CLK_MMC_MUX] = {
+ "mmc_mux", CGU_CLK_MUX | CGU_CLK_DIV,
+ .parents = { JZ4760_CLK_EXT, JZ4760_CLK_PLL0_HALF, },
+ .mux = { CGU_REG_MSCCDR, 31, 1 },
+ .div = { CGU_REG_MSCCDR, 0, 1, 6, -1, -1, -1, BIT(0) },
+ },
+ [JZ4760_CLK_SSI_MUX] = {
+ "ssi_mux", CGU_CLK_DIV | CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_EXT, JZ4760_CLK_PLL0_HALF, },
+ .mux = { CGU_REG_SSICDR, 31, 1 },
+ .div = { CGU_REG_SSICDR, 0, 1, 6, -1, -1, -1, BIT(0) },
+ },
+
+ /* These divided clock can connect to PLL0 only */
+ [JZ4760_CLK_CIM] = {
+ "cim", CGU_CLK_DIV | CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_PLL0_HALF },
+ .div = { CGU_REG_CIMCDR, 0, 1, 8, -1, -1, -1 },
+ .gate = { CGU_REG_CLKGR0, 26 },
+ },
+
+ /* Gate-only clocks */
+
+ [JZ4760_CLK_SSI0] = {
+ "ssi0", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_SSI_MUX, },
+ .gate = { CGU_REG_CLKGR0, 4 },
+ },
+ [JZ4760_CLK_SSI1] = {
+ "ssi1", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_SSI_MUX, },
+ .gate = { CGU_REG_CLKGR0, 19 },
+ },
+ [JZ4760_CLK_SSI2] = {
+ "ssi2", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_SSI_MUX, },
+ .gate = { CGU_REG_CLKGR0, 20 },
+ },
+ [JZ4760_CLK_DMA] = {
+ "dma", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_H2CLK, },
+ .gate = { CGU_REG_CLKGR0, 21 },
+ },
+ [JZ4760_CLK_I2C0] = {
+ "i2c0", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 5 },
+ },
+ [JZ4760_CLK_I2C1] = {
+ "i2c1", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 6 },
+ },
+ [JZ4760_CLK_UART0] = {
+ "uart0", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 15 },
+ },
+ [JZ4760_CLK_UART1] = {
+ "uart1", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 16 },
+ },
+ [JZ4760_CLK_UART2] = {
+ "uart2", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 17 },
+ },
+ [JZ4760_CLK_UART3] = {
+ "uart3", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 18 },
+ },
+ [JZ4760_CLK_IPU] = {
+ "ipu", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_HCLK, },
+ .gate = { CGU_REG_CLKGR0, 29 },
+ },
+ [JZ4760_CLK_ADC] = {
+ "adc", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 14 },
+ },
+ [JZ4760_CLK_AIC] = {
+ "aic", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_EXT, },
+ .gate = { CGU_REG_CLKGR0, 8 },
+ },
+ [JZ4760_CLK_VPU] = {
+ "vpu", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_HCLK, },
+ .gate = { CGU_REG_LCR, 30, false, 150 },
+ },
+ [JZ4760_CLK_MMC0] = {
+ "mmc0", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_MMC_MUX, },
+ .gate = { CGU_REG_CLKGR0, 3 },
+ },
+ [JZ4760_CLK_MMC1] = {
+ "mmc1", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_MMC_MUX, },
+ .gate = { CGU_REG_CLKGR0, 11 },
+ },
+ [JZ4760_CLK_MMC2] = {
+ "mmc2", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_MMC_MUX, },
+ .gate = { CGU_REG_CLKGR0, 12 },
+ },
+ [JZ4760_CLK_UHC_PHY] = {
+ "uhc_phy", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_UHC, },
+ .gate = { CGU_REG_OPCR, 5 },
+ },
+ [JZ4760_CLK_OTG_PHY] = {
+ "usb_phy", CGU_CLK_GATE,
+ .parents = { JZ4760_CLK_OTG },
+ .gate = { CGU_REG_OPCR, 7, true, 50 },
+ },
+
+ /* Custom clocks */
+ [JZ4760_CLK_EXT512] = {
+ "ext/512", CGU_CLK_FIXDIV,
+ .parents = { JZ4760_CLK_EXT },
+ .fixdiv = { 512 },
+ },
+ [JZ4760_CLK_RTC] = {
+ "rtc", CGU_CLK_MUX,
+ .parents = { JZ4760_CLK_EXT512, JZ4760_CLK_OSC32K, },
+ .mux = { CGU_REG_OPCR, 2, 1},
+ },
+};
+
+static void __init jz4760_cgu_init(struct device_node *np)
+{
+ struct ingenic_cgu *cgu;
+ int retval;
+
+ cgu = ingenic_cgu_new(jz4760_cgu_clocks,
+ ARRAY_SIZE(jz4760_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__);
+
+ ingenic_cgu_register_syscore_ops(cgu);
+}
+
+/* We only probe via devicetree, no need for a platform driver */
+CLK_OF_DECLARE_DRIVER(jz4760_cgu, "ingenic,jz4760-cgu", jz4760_cgu_init);
+
+/* JZ4760B has some small differences, but we don't implement them. */
+CLK_OF_DECLARE_DRIVER(jz4760b_cgu, "ingenic,jz4760b-cgu", jz4760_cgu_init);
diff --git a/drivers/clk/ingenic/tcu.c b/drivers/clk/ingenic/tcu.c
index 9382dc3aa27e..77acfbeb4830 100644
--- a/drivers/clk/ingenic/tcu.c
+++ b/drivers/clk/ingenic/tcu.c
@@ -326,6 +326,7 @@ static const struct ingenic_soc_info x1000_soc_info = {
static const struct of_device_id __maybe_unused ingenic_tcu_of_match[] __initconst = {
{ .compatible = "ingenic,jz4740-tcu", .data = &jz4740_soc_info, },
{ .compatible = "ingenic,jz4725b-tcu", .data = &jz4725b_soc_info, },
+ { .compatible = "ingenic,jz4760-tcu", .data = &jz4770_soc_info, },
{ .compatible = "ingenic,jz4770-tcu", .data = &jz4770_soc_info, },
{ .compatible = "ingenic,x1000-tcu", .data = &x1000_soc_info, },
{ /* sentinel */ }
@@ -477,5 +478,6 @@ static void __init ingenic_tcu_init(struct device_node *np)
CLK_OF_DECLARE_DRIVER(jz4740_cgu, "ingenic,jz4740-tcu", ingenic_tcu_init);
CLK_OF_DECLARE_DRIVER(jz4725b_cgu, "ingenic,jz4725b-tcu", ingenic_tcu_init);
+CLK_OF_DECLARE_DRIVER(jz4760_cgu, "ingenic,jz4760-tcu", ingenic_tcu_init);
CLK_OF_DECLARE_DRIVER(jz4770_cgu, "ingenic,jz4770-tcu", ingenic_tcu_init);
CLK_OF_DECLARE_DRIVER(x1000_cgu, "ingenic,x1000-tcu", ingenic_tcu_init);
diff --git a/include/dt-bindings/clock/jz4760-cgu.h b/include/dt-bindings/clock/jz4760-cgu.h
new file mode 100644
index 000000000000..4bb2e19c4743
--- /dev/null
+++ b/include/dt-bindings/clock/jz4760-cgu.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides clock numbers for the ingenic,jz4760-cgu DT binding.
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_JZ4760_CGU_H__
+#define __DT_BINDINGS_CLOCK_JZ4760_CGU_H__
+
+#define JZ4760_CLK_EXT 0
+#define JZ4760_CLK_OSC32K 1
+#define JZ4760_CLK_PLL0 2
+#define JZ4760_CLK_PLL0_HALF 3
+#define JZ4760_CLK_PLL1 4
+#define JZ4760_CLK_CCLK 5
+#define JZ4760_CLK_HCLK 6
+#define JZ4760_CLK_SCLK 7
+#define JZ4760_CLK_H2CLK 8
+#define JZ4760_CLK_MCLK 9
+#define JZ4760_CLK_PCLK 10
+#define JZ4760_CLK_MMC_MUX 11
+#define JZ4760_CLK_MMC0 12
+#define JZ4760_CLK_MMC1 13
+#define JZ4760_CLK_MMC2 14
+#define JZ4760_CLK_CIM 15
+#define JZ4760_CLK_UHC 16
+#define JZ4760_CLK_GPU 17
+#define JZ4760_CLK_GPS 18
+#define JZ4760_CLK_SSI_MUX 19
+#define JZ4760_CLK_PCM 20
+#define JZ4760_CLK_I2S 21
+#define JZ4760_CLK_OTG 22
+#define JZ4760_CLK_SSI0 23
+#define JZ4760_CLK_SSI1 24
+#define JZ4760_CLK_SSI2 25
+#define JZ4760_CLK_DMA 26
+#define JZ4760_CLK_I2C0 27
+#define JZ4760_CLK_I2C1 28
+#define JZ4760_CLK_UART0 29
+#define JZ4760_CLK_UART1 30
+#define JZ4760_CLK_UART2 31
+#define JZ4760_CLK_UART3 32
+#define JZ4760_CLK_IPU 33
+#define JZ4760_CLK_ADC 34
+#define JZ4760_CLK_AIC 35
+#define JZ4760_CLK_VPU 36
+#define JZ4760_CLK_UHC_PHY 37
+#define JZ4760_CLK_OTG_PHY 38
+#define JZ4760_CLK_EXT512 39
+#define JZ4760_CLK_RTC 40
+#define JZ4760_CLK_LPCLK_DIV 41
+#define JZ4760_CLK_TVE 42
+#define JZ4760_CLK_LPCLK 43
+
+#endif /* __DT_BINDINGS_CLOCK_JZ4760_CGU_H__ */