[PATCH v2 4/7] clk: Add Microchip PolarFire SoC clock driver

[Padmarao Begari <padmarao.begari@microchip.com>]

Add clock driver code for the Microchip PolarFire SoC. This driver
handles reset and clock control of the Microchip PolarFire SoC device.

Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
---
 drivers/clk/Kconfig                           |   1 +
 drivers/clk/Makefile                          |   1 +
 drivers/clk/microchip/Kconfig                 |   5 +
 drivers/clk/microchip/Makefile                |   1 +
 drivers/clk/microchip/clk_pfsoc.c             | 127 +++++++++++++
 drivers/clk/microchip/clk_pfsoc.h             |  19 ++
 drivers/clk/microchip/clk_pfsoc_cfg.c         | 134 ++++++++++++++
 drivers/clk/microchip/clk_pfsoc_periph.c      | 173 ++++++++++++++++++
 .../dt-bindings/clock/microchip,pfsoc-clock.h |  45 +++++
 9 files changed, 506 insertions(+)
 create mode 100644 drivers/clk/microchip/Kconfig
 create mode 100644 drivers/clk/microchip/Makefile
 create mode 100644 drivers/clk/microchip/clk_pfsoc.c
 create mode 100644 drivers/clk/microchip/clk_pfsoc.h
 create mode 100644 drivers/clk/microchip/clk_pfsoc_cfg.c
 create mode 100644 drivers/clk/microchip/clk_pfsoc_periph.c
 create mode 100644 include/dt-bindings/clock/microchip,pfsoc-clock.h

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 4dfbad7986..1161fe7b5a 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -173,6 +173,7 @@ source "drivers/clk/exynos/Kconfig"
 source "drivers/clk/imx/Kconfig"
 source "drivers/clk/kendryte/Kconfig"
 source "drivers/clk/meson/Kconfig"
+source "drivers/clk/microchip/Kconfig"
 source "drivers/clk/mvebu/Kconfig"
 source "drivers/clk/owl/Kconfig"
 source "drivers/clk/renesas/Kconfig"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index d1e295ac7c..bd8a6eed88 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_CLK_EXYNOS) += exynos/
 obj-$(CONFIG_$(SPL_TPL_)CLK_INTEL) += intel/
 obj-$(CONFIG_CLK_HSDK) += clk-hsdk-cgu.o
 obj-$(CONFIG_CLK_K210) += kendryte/
+obj-$(CONFIG_CLK_MPFS) += microchip/
 obj-$(CONFIG_CLK_MPC83XX) += mpc83xx_clk.o
 obj-$(CONFIG_CLK_OCTEON) += clk_octeon.o
 obj-$(CONFIG_CLK_OWL) += owl/
diff --git a/drivers/clk/microchip/Kconfig b/drivers/clk/microchip/Kconfig
new file mode 100644
index 0000000000..b70241559d
--- /dev/null
+++ b/drivers/clk/microchip/Kconfig
@@ -0,0 +1,5 @@
+config CLK_MPFS
+	bool "Clock support for Microchip PolarFire SoC"
+	depends on CLK && CLK_CCF
+	help
+	  This enables support clock driver for Microchip PolarFire SoC platform.
diff --git a/drivers/clk/microchip/Makefile b/drivers/clk/microchip/Makefile
new file mode 100644
index 0000000000..c7f5ad21ae
--- /dev/null
+++ b/drivers/clk/microchip/Makefile
@@ -0,0 +1 @@
+obj-y += clk_pfsoc.o clk_pfsoc_cfg.o clk_pfsoc_periph.o
diff --git a/drivers/clk/microchip/clk_pfsoc.c b/drivers/clk/microchip/clk_pfsoc.c
new file mode 100644
index 0000000000..dd0e9cacb8
--- /dev/null
+++ b/drivers/clk/microchip/clk_pfsoc.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari@microchip.com>
+ */
+#include <common.h>
+#include <clk.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <log.h>
+#include <dm/device.h>
+#include <dm/devres.h>
+#include <dm/uclass.h>
+#include <malloc.h>
+#include <linux/err.h>
+
+#include "clk_pfsoc.h"
+
+/* All methods are delegated to CCF clocks */
+
+static ulong pfsoc_clk_get_rate(struct clk *clk)
+{
+	struct clk *c;
+	int err = clk_get_by_id(clk->id, &c);
+
+	if (err)
+		return err;
+	return clk_get_rate(c);
+}
+
+static ulong pfsoc_clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	struct clk *c;
+	int err = clk_get_by_id(clk->id, &c);
+
+	if (err)
+		return err;
+	return clk_set_rate(c, rate);
+}
+
+static int pfsoc_clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	struct clk *c, *p;
+	int err = clk_get_by_id(clk->id, &c);
+
+	if (err)
+		return err;
+
+	err = clk_get_by_id(parent->id, &p);
+	if (err)
+		return err;
+
+	return clk_set_parent(c, p);
+}
+
+static int pfsoc_clk_endisable(struct clk *clk, bool enable)
+{
+	struct clk *c;
+	int err = clk_get_by_id(clk->id, &c);
+
+	if (err)
+		return err;
+	return enable ? clk_enable(c) : clk_disable(c);
+}
+
+static int pfsoc_clk_enable(struct clk *clk)
+{
+	return pfsoc_clk_endisable(clk, true);
+}
+
+static int pfsoc_clk_disable(struct clk *clk)
+{
+	return pfsoc_clk_endisable(clk, false);
+}
+
+static int pfsoc_clk_probe(struct udevice *dev)
+{
+	int ret;
+	void __iomem *base;
+	u32 clk_rate;
+	struct clk *clk;
+	const char *parent_clk_name;
+
+	base = dev_read_addr_ptr(dev);
+	if (!base)
+		return -ENODEV;
+
+	clk = kzalloc(sizeof(*clk), GFP_KERNEL);
+	if (!clk)
+		return -ENOMEM;
+
+	ret = clk_get_by_index(dev, 0, clk);
+	if (ret)
+		return ret;
+
+	dev_read_u32(clk->dev, "clock-frequency", &clk_rate);
+	parent_clk_name = clk->dev->name;
+
+	ret = pfsoc_clk_register_cfgs(base, clk_rate, parent_clk_name);
+	if (ret)
+		return ret;
+
+	ret = pfsoc_clk_register_periphs(base, clk_rate, "clk_ahb");
+
+	return ret;
+}
+
+static const struct clk_ops pfsoc_clk_ops = {
+	.set_rate = pfsoc_clk_set_rate,
+	.get_rate = pfsoc_clk_get_rate,
+	.set_parent = pfsoc_clk_set_parent,
+	.enable = pfsoc_clk_enable,
+	.disable = pfsoc_clk_disable,
+};
+
+static const struct udevice_id pfsoc_of_match[] = {
+	{ .compatible = "microchip,pfsoc-clkcfg" },
+	{ }
+};
+
+U_BOOT_DRIVER(pfsoc_clk) = {
+	.name = "pfsoc_clk",
+	.id = UCLASS_CLK,
+	.of_match = pfsoc_of_match,
+	.ops = &pfsoc_clk_ops,
+	.probe = pfsoc_clk_probe,
+};
diff --git a/drivers/clk/microchip/clk_pfsoc.h b/drivers/clk/microchip/clk_pfsoc.h
new file mode 100644
index 0000000000..3058b83f0d
--- /dev/null
+++ b/drivers/clk/microchip/clk_pfsoc.h
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari@microchip.com>
+ */
+#ifndef __MICROCHIP_PFSOC_CLK_H
+#define __MICROCHIP_PFSOC_CLK_H
+
+#include <linux/clk-provider.h>
+
+int pfsoc_clk_register_cfgs(void __iomem *base, u32 clk_rate,
+					const char *parent_name);
+int pfsoc_clk_register_periphs(void __iomem *base, u32 clk_rate,
+					const char *parent_name);
+int divider_get_val(unsigned long rate, unsigned long parent_rate,
+					const struct clk_div_table *table,
+					u8 width, unsigned long flags);
+
+#endif	/* __MICROCHIP_PFSOC_CLK_H */
diff --git a/drivers/clk/microchip/clk_pfsoc_cfg.c b/drivers/clk/microchip/clk_pfsoc_cfg.c
new file mode 100644
index 0000000000..2174b5a03e
--- /dev/null
+++ b/drivers/clk/microchip/clk_pfsoc_cfg.c
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari@microchip.com>
+ */
+#include <common.h>
+#include <clk.h>
+#include <clk-uclass.h>
+#include <dm/device.h>
+#include <dm/devres.h>
+#include <dm/uclass.h>
+#include <asm/io.h>
+#include <linux/err.h>
+#include <dt-bindings/clock/microchip,pfsoc-clock.h>
+
+#include "clk_pfsoc.h"
+
+#define PFSOC_CFG_CLOCK "pfsoc_cfg_clock"
+
+#define REG_CLOCK_CONFIG_CR 0x08
+
+static const struct clk_div_table pfsoc_div_cpu_axi_table[] = {
+	{ 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 },
+	{ 0, 0 }
+};
+
+static const struct clk_div_table pfsoc_div_ahb_table[] = {
+	{ 1, 2 }, { 2, 4}, { 3, 8 },
+	{ 0, 0 }
+};
+
+struct pfsoc_cfg_clock {
+	unsigned int id;
+	const char *name;
+	u8 shift;
+	u8 width;
+	const struct clk_div_table *table;
+	unsigned long flags;
+};
+
+struct pfsoc_cfg_hw_clock {
+	struct pfsoc_cfg_clock cfg;
+	void __iomem *sys_base;
+	u32 prate;
+	struct clk hw;
+};
+
+#define to_pfsoc_cfg_clk(_hw) container_of(_hw, struct pfsoc_cfg_hw_clock, hw)
+
+static ulong pfsoc_cfg_clk_recalc_rate(struct clk *hw)
+{
+	struct pfsoc_cfg_hw_clock *cfg_hw = to_pfsoc_cfg_clk(hw);
+	struct pfsoc_cfg_clock *cfg = &cfg_hw->cfg;
+	void __iomem *base_addr = cfg_hw->sys_base;
+	unsigned long rate;
+	u32 val;
+
+	val = readl(base_addr + REG_CLOCK_CONFIG_CR) >> cfg->shift;
+	val &= clk_div_mask(cfg->width);
+	rate = cfg_hw->prate / (1u << val);
+	hw->rate = rate;
+
+	return rate;
+}
+
+static ulong pfsoc_cfg_clk_set_rate(struct clk *hw, ulong rate)
+{
+	struct pfsoc_cfg_hw_clock *cfg_hw = to_pfsoc_cfg_clk(hw);
+	struct pfsoc_cfg_clock *cfg = &cfg_hw->cfg;
+	void __iomem *base_addr = cfg_hw->sys_base;
+	u32  val;
+	int divider_setting;
+
+	divider_setting = divider_get_val(rate, cfg_hw->prate, cfg->table, cfg->width, cfg->flags);
+
+	if (divider_setting < 0)
+		return divider_setting;
+
+	val = readl(base_addr + REG_CLOCK_CONFIG_CR);
+	val &= ~(clk_div_mask(cfg->width) << cfg_hw->cfg.shift);
+	val |= divider_setting << cfg->shift;
+	writel(val, base_addr + REG_CLOCK_CONFIG_CR);
+
+	return clk_get_rate(hw);
+}
+
+#define CLK_CFG(_id, _name, _shift, _width, _table, _flags) {	\
+		.cfg.id = _id,					\
+		.cfg.name = _name,				\
+		.cfg.shift = _shift,				\
+		.cfg.width = _width,				\
+		.cfg.table = _table,				\
+		.cfg.flags = _flags,				\
+	}
+
+static struct pfsoc_cfg_hw_clock pfsoc_cfg_clks[] = {
+	CLK_CFG(CLK_CPU, "clk_cpu", 0, 2, pfsoc_div_cpu_axi_table, 0),
+	CLK_CFG(CLK_AXI, "clk_axi", 2, 2, pfsoc_div_cpu_axi_table, 0),
+	CLK_CFG(CLK_AHB, "clk_ahb", 4, 2, pfsoc_div_ahb_table, 0),
+};
+
+int pfsoc_clk_register_cfgs(void __iomem *base, u32 clk_rate,
+					const char *parent_name)
+{
+	int ret;
+	int i, id, num_clks;
+	const char *name;
+	struct clk *hw;
+
+	num_clks = ARRAY_SIZE(pfsoc_cfg_clks);
+	for (i = 0; i < num_clks; i++) {
+		hw = &pfsoc_cfg_clks[i].hw;
+		pfsoc_cfg_clks[i].sys_base = base;
+		pfsoc_cfg_clks[i].prate = clk_rate;
+		name = pfsoc_cfg_clks[i].cfg.name;
+		ret = clk_register(hw, PFSOC_CFG_CLOCK, name, parent_name);
+		if (ret)
+			ERR_PTR(ret);
+		id = pfsoc_cfg_clks[i].cfg.id;
+		clk_dm(id, hw);
+	}
+	return 0;
+}
+
+const struct clk_ops pfsoc_cfg_clk_ops = {
+	.set_rate = pfsoc_cfg_clk_set_rate,
+	.get_rate = pfsoc_cfg_clk_recalc_rate,
+};
+
+U_BOOT_DRIVER(pfsoc_cfg_clock) = {
+	.name	= PFSOC_CFG_CLOCK,
+	.id	= UCLASS_CLK,
+	.ops	= &pfsoc_cfg_clk_ops,
+};
diff --git a/drivers/clk/microchip/clk_pfsoc_periph.c b/drivers/clk/microchip/clk_pfsoc_periph.c
new file mode 100644
index 0000000000..c8b3b8f738
--- /dev/null
+++ b/drivers/clk/microchip/clk_pfsoc_periph.c
@@ -0,0 +1,173 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari@microchip.com>
+ */
+#include <common.h>
+#include <clk.h>
+#include <clk-uclass.h>
+#include <dm/device.h>
+#include <dm/devres.h>
+#include <dm/uclass.h>
+#include <asm/io.h>
+#include <linux/err.h>
+#include <dt-bindings/clock/microchip,pfsoc-clock.h>
+
+#include "clk_pfsoc.h"
+
+#define PFSOC_PERIPH_CLOCK "pfsoc_periph_clock"
+
+#define REG_CLOCK_CONFIG_CR 0x08
+#define REG_SUBBLK_CLOCK_CR 0x84
+#define REG_SUBBLK_RESET_CR 0x88
+
+#define CFG_CPU_SHIFT   0x0
+#define CFG_AXI_SHIFT   0x2
+#define CFG_AHB_SHIFT   0x4
+#define CFG_WIDTH       0x2
+
+struct pfsoc_periph_clock {
+	unsigned int id;
+	const char *name;
+	u8 shift;
+	unsigned long flags;
+};
+
+struct pfsoc_periph_hw_clock {
+	struct pfsoc_periph_clock periph;
+	void __iomem *sys_base;
+	u32 prate;
+	struct clk hw;
+};
+
+#define to_pfsoc_periph_clk(_hw) container_of(_hw, struct pfsoc_periph_hw_clock, hw)
+
+static int pfsoc_periph_clk_enable(struct clk *hw)
+{
+	struct pfsoc_periph_hw_clock *periph_hw = to_pfsoc_periph_clk(hw);
+	struct pfsoc_periph_clock *periph = &periph_hw->periph;
+	void __iomem *base_addr = periph_hw->sys_base;
+	u32 reg, val;
+
+	if (periph->flags != CLK_IS_CRITICAL) {
+		reg = readl(base_addr + REG_SUBBLK_RESET_CR);
+		val = reg & ~(1u << periph->shift);
+		writel(val, base_addr + REG_SUBBLK_RESET_CR);
+
+		reg = readl(base_addr + REG_SUBBLK_CLOCK_CR);
+		val = reg | (1u << periph->shift);
+		writel(val, base_addr + REG_SUBBLK_CLOCK_CR);
+	}
+
+	return 0;
+}
+
+static int pfsoc_periph_clk_disable(struct clk *hw)
+{
+	struct pfsoc_periph_hw_clock *periph_hw = to_pfsoc_periph_clk(hw);
+	struct pfsoc_periph_clock *periph = &periph_hw->periph;
+	void __iomem *base_addr = periph_hw->sys_base;
+	u32 reg, val;
+
+	if (periph->flags != CLK_IS_CRITICAL) {
+		reg = readl(base_addr + REG_SUBBLK_RESET_CR);
+		val = reg | (1u << periph->shift);
+		writel(val, base_addr + REG_SUBBLK_RESET_CR);
+
+		reg = readl(base_addr + REG_SUBBLK_CLOCK_CR);
+		val = reg & ~(1u << periph->shift);
+		writel(val, base_addr + REG_SUBBLK_CLOCK_CR);
+	}
+
+	return 0;
+}
+
+static ulong pfsoc_periph_clk_recalc_rate(struct clk *hw)
+{
+	struct pfsoc_periph_hw_clock *periph_hw = to_pfsoc_periph_clk(hw);
+	void __iomem *base_addr = periph_hw->sys_base;
+	unsigned long rate;
+	u32 val;
+
+	val = readl(base_addr + REG_CLOCK_CONFIG_CR) >> CFG_AHB_SHIFT;
+	val &= clk_div_mask(CFG_WIDTH);
+	rate = periph_hw->prate / (1u << val);
+	hw->rate = rate;
+
+	return rate;
+}
+
+#define CLK_PERIPH(_id, _name, _shift, _flags) {	\
+		.periph.id = _id,			\
+		.periph.name = _name,			\
+		.periph.shift = _shift,			\
+		.periph.flags = _flags,			\
+	}
+
+static struct pfsoc_periph_hw_clock pfsoc_periph_clks[] = {
+	CLK_PERIPH(CLK_ENVM, "clk_periph_envm", 0, CLK_IS_CRITICAL),
+	CLK_PERIPH(CLK_MAC0, "clk_periph_mac0", 1, 0),
+	CLK_PERIPH(CLK_MAC1, "clk_periph_mac1", 2, 0),
+	CLK_PERIPH(CLK_MMC, "clk_periph_mmc", 3, 0),
+	CLK_PERIPH(CLK_TIMER, "clk_periph_timer", 4, 0),
+	CLK_PERIPH(CLK_MMUART0, "clk_periph_mmuart0", 5, 0),
+	CLK_PERIPH(CLK_MMUART1, "clk_periph_mmuart1", 6, 0),
+	CLK_PERIPH(CLK_MMUART2, "clk_periph_mmuart2", 7, 0),
+	CLK_PERIPH(CLK_MMUART3, "clk_periph_mmuart3", 8, 0),
+	CLK_PERIPH(CLK_MMUART4, "clk_periph_mmuart4", 9, 0),
+	CLK_PERIPH(CLK_SPI0, "clk_periph_spi0", 10, 0),
+	CLK_PERIPH(CLK_SPI1, "clk_periph_spi1", 11, 0),
+	CLK_PERIPH(CLK_I2C0, "clk_periph_i2c0", 12, 0),
+	CLK_PERIPH(CLK_I2C1, "clk_periph_i2c1", 13, 0),
+	CLK_PERIPH(CLK_CAN0, "clk_periph_can0", 14, 0),
+	CLK_PERIPH(CLK_CAN1, "clk_periph_can1", 15, 0),
+	CLK_PERIPH(CLK_USB, "clk_periph_usb", 16, 0),
+	CLK_PERIPH(CLK_RTC, "clk_periph_rtc", 18, 0),
+	CLK_PERIPH(CLK_QSPI, "clk_periph_qspi", 19, 0),
+	CLK_PERIPH(CLK_GPIO0, "clk_periph_gpio0", 20, 0),
+	CLK_PERIPH(CLK_GPIO1, "clk_periph_gpio1", 21, 0),
+	CLK_PERIPH(CLK_GPIO2, "clk_periph_gpio2", 22, 0),
+	CLK_PERIPH(CLK_DDRC, "clk_periph_ddrc", 23, CLK_IS_CRITICAL),
+	CLK_PERIPH(CLK_FIC0, "clk_periph_fic0", 24, 0),
+	CLK_PERIPH(CLK_FIC1, "clk_periph_fic1", 25, 0),
+	CLK_PERIPH(CLK_FIC2, "clk_periph_fic2", 26, 0),
+	CLK_PERIPH(CLK_FIC3, "clk_periph_fic3", 27, 0),
+	CLK_PERIPH(CLK_ATHENA, "clk_periph_athena", 28, 0),
+	CLK_PERIPH(CLK_CFM, "clk_periph_cfm", 29, 0),
+};
+
+int pfsoc_clk_register_periphs(void __iomem *base, u32 clk_rate,
+					const char *parent_name)
+{
+	int ret;
+	int i, id, num_clks;
+	const char *name;
+	struct clk *hw;
+
+	num_clks = ARRAY_SIZE(pfsoc_periph_clks);
+	for (i = 0; i < num_clks; i++)  {
+		hw = &pfsoc_periph_clks[i].hw;
+		pfsoc_periph_clks[i].sys_base = base;
+		pfsoc_periph_clks[i].prate = clk_rate;
+		name = pfsoc_periph_clks[i].periph.name;
+		ret = clk_register(hw, PFSOC_PERIPH_CLOCK, name, parent_name);
+		if (ret)
+			ERR_PTR(ret);
+		id = pfsoc_periph_clks[i].periph.id;
+		clk_dm(id, hw);
+	}
+
+	return 0;
+}
+
+const struct clk_ops pfsoc_periph_clk_ops = {
+	.enable = pfsoc_periph_clk_enable,
+	.disable = pfsoc_periph_clk_disable,
+	.get_rate = pfsoc_periph_clk_recalc_rate,
+};
+
+U_BOOT_DRIVER(pfsoc_periph_clock) = {
+	.name	= PFSOC_PERIPH_CLOCK,
+	.id	= UCLASS_CLK,
+	.ops	= &pfsoc_periph_clk_ops,
+};
diff --git a/include/dt-bindings/clock/microchip,pfsoc-clock.h b/include/dt-bindings/clock/microchip,pfsoc-clock.h
new file mode 100644
index 0000000000..527cff1a28
--- /dev/null
+++ b/include/dt-bindings/clock/microchip,pfsoc-clock.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2020 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari@microchip.com>
+ */
+
+#ifndef _DT_BINDINGS_CLK_MICROCHIP_PFSOC_H_
+#define _DT_BINDINGS_CLK_MICROCHIP_PFSOC_H_
+
+#define CLK_CPU		0
+#define CLK_AXI		1
+#define CLK_AHB		2
+
+#define CLK_ENVM	3
+#define CLK_MAC0	4
+#define CLK_MAC1	5
+#define CLK_MMC		6
+#define CLK_TIMER	7
+#define CLK_MMUART0	8
+#define CLK_MMUART1	9
+#define CLK_MMUART2	10
+#define CLK_MMUART3	11
+#define CLK_MMUART4	12
+#define CLK_SPI0	13
+#define CLK_SPI1	14
+#define CLK_I2C0	15
+#define CLK_I2C1	16
+#define CLK_CAN0	17
+#define CLK_CAN1	18
+#define CLK_USB		19
+#define CLK_RESERVED	20
+#define CLK_RTC		21
+#define CLK_QSPI	22
+#define CLK_GPIO0	23
+#define CLK_GPIO1	24
+#define CLK_GPIO2	25
+#define CLK_DDRC	26
+#define CLK_FIC0	27
+#define CLK_FIC1	28
+#define CLK_FIC2	29
+#define CLK_FIC3	30
+#define CLK_ATHENA	31
+#define CLK_CFM		32
+
+#endif	/* _DT_BINDINGS_CLK_MICROCHIP_PFSOC_H_ */
-- 
2.17.1