Merge branch 'clk-actions' into clk-next

* clk-actions:
  clk: actions: Add S900 SoC clock support
  clk: actions: Add pll clock support
  clk: actions: Add composite clock support
  clk: actions: Add fixed factor clock support
  clk: actions: Add factor clock support
  clk: actions: Add divider clock support
  clk: actions: Add mux clock support
  clk: actions: Add gate clock support
  clk: actions: Add common clock driver support
  dt-bindings: clock: Add Actions S900 clock bindings

Documentation/devicetree/bindings/clock/actions,s900-cmu.txt

@@ -0,0 +1,47 @@
+* Actions S900 Clock Management Unit (CMU)
+
+The Actions S900 clock management unit generates and supplies clock to various
+controllers within the SoC. The clock binding described here is applicable to
+S900 SoC.
+
+Required Properties:
+
+- compatible: should be "actions,s900-cmu"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- clocks: Reference to the parent clocks ("hosc", "losc")
+- #clock-cells: should be 1.
+
+Each clock is assigned an identifier, and client nodes can use this identifier
+to specify the clock which they consume.
+
+All available clocks are defined as preprocessor macros in
+dt-bindings/clock/actions,s900-cmu.h header and can be used in device
+tree sources.
+
+External clocks:
+
+The hosc clock used as input for the plls is generated outside the SoC. It is
+expected that it is defined using standard clock bindings as "hosc".
+
+Actions S900 CMU also requires one more clock:
+ - "losc" - internal low frequency oscillator
+
+Example: Clock Management Unit node:
+
+        cmu: clock-controller@e0160000 {
+                compatible = "actions,s900-cmu";
+                reg = <0x0 0xe0160000 0x0 0x1000>;
+                clocks = <&hosc>, <&losc>;
+                #clock-cells = <1>;
+        };
+
+Example: UART controller node that consumes clock generated by the clock
+management unit:
+
+        uart: serial@e012a000 {
+                compatible = "actions,s900-uart", "actions,owl-uart";
+                reg = <0x0 0xe012a000 0x0 0x2000>;
+                interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+                clocks = <&cmu CLK_UART5>;
+        };

drivers/clk/Kconfig

@@ -279,6 +279,7 @@ config COMMON_CLK_STM32H7
 	---help---
 	  Support for stm32h7 SoC family clocks
 
+source "drivers/clk/actions/Kconfig"
 source "drivers/clk/bcm/Kconfig"
 source "drivers/clk/hisilicon/Kconfig"
 source "drivers/clk/imgtec/Kconfig"

drivers/clk/Makefile

@@ -59,6 +59,7 @@ obj-$(CONFIG_COMMON_CLK_WM831X)		+= clk-wm831x.o
 obj-$(CONFIG_COMMON_CLK_XGENE)		+= clk-xgene.o
 
 # please keep this section sorted lexicographically by directory path name
+obj-y					+= actions/
 obj-$(CONFIG_COMMON_CLK_AT91)		+= at91/
 obj-$(CONFIG_ARCH_ARTPEC)		+= axis/
 obj-$(CONFIG_ARC_PLAT_AXS10X)		+= axs10x/

drivers/clk/actions/Kconfig

@@ -0,0 +1,14 @@
+config CLK_ACTIONS
+	bool "Clock driver for Actions Semi SoCs"
+	depends on ARCH_ACTIONS || COMPILE_TEST
+	default ARCH_ACTIONS
+
+if CLK_ACTIONS
+
+# SoC Drivers
+
+config CLK_OWL_S900
+	bool "Support for the Actions Semi OWL S900 clocks"
+	depends on (ARM64 && ARCH_ACTIONS) || COMPILE_TEST
+	default ARM64 && ARCH_ACTIONS
+endif

drivers/clk/actions/Makefile

@@ -0,0 +1,12 @@
+obj-$(CONFIG_CLK_ACTIONS)	+= clk-owl.o
+
+clk-owl-y			+= owl-common.o
+clk-owl-y			+= owl-gate.o
+clk-owl-y			+= owl-mux.o
+clk-owl-y			+= owl-divider.o
+clk-owl-y			+= owl-factor.o
+clk-owl-y			+= owl-composite.o
+clk-owl-y			+= owl-pll.o
+
+# SoC support
+obj-$(CONFIG_CLK_OWL_S900)	+= owl-s900.o

drivers/clk/actions/owl-common.c

@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL common clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include "owl-common.h"
+
+static const struct regmap_config owl_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= 0x00cc,
+	.fast_io	= true,
+};
+
+static void owl_clk_set_regmap(const struct owl_clk_desc *desc,
+			 struct regmap *regmap)
+{
+	int i;
+	struct owl_clk_common *clks;
+
+	for (i = 0; i < desc->num_clks; i++) {
+		clks = desc->clks[i];
+		if (!clks)
+			continue;
+
+		clks->regmap = regmap;
+	}
+}
+
+int owl_clk_regmap_init(struct platform_device *pdev,
+			 const struct owl_clk_desc *desc)
+{
+	void __iomem *base;
+	struct regmap *regmap;
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	regmap = devm_regmap_init_mmio(&pdev->dev, base, &owl_regmap_config);
+	if (IS_ERR(regmap)) {
+		pr_err("failed to init regmap\n");
+		return PTR_ERR(regmap);
+	}
+
+	owl_clk_set_regmap(desc, regmap);
+
+	return 0;
+}
+
+int owl_clk_probe(struct device *dev, struct clk_hw_onecell_data *hw_clks)
+{
+	int i, ret;
+	struct clk_hw *hw;
+
+	for (i = 0; i < hw_clks->num; i++) {
+
+		hw = hw_clks->hws[i];
+
+		if (IS_ERR_OR_NULL(hw))
+			continue;
+
+		ret = devm_clk_hw_register(dev, hw);
+		if (ret) {
+			dev_err(dev, "Couldn't register clock %d - %s\n",
+				i, hw->init->name);
+			return ret;
+		}
+	}
+
+	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, hw_clks);
+	if (ret)
+		dev_err(dev, "Failed to add clock provider\n");
+
+	return ret;
+}

drivers/clk/actions/owl-common.h

@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL common clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_COMMON_H_
+#define _OWL_COMMON_H_
+
+#include <linux/clk-provider.h>
+#include <linux/of_platform.h>
+#include <linux/regmap.h>
+
+struct device_node;
+
+struct owl_clk_common {
+	struct regmap			*regmap;
+	struct clk_hw			hw;
+};
+
+struct owl_clk_desc {
+	struct owl_clk_common		**clks;
+	unsigned long			num_clks;
+	struct clk_hw_onecell_data	*hw_clks;
+};
+
+static inline struct owl_clk_common *
+	hw_to_owl_clk_common(const struct clk_hw *hw)
+{
+	return container_of(hw, struct owl_clk_common, hw);
+}
+
+int owl_clk_regmap_init(struct platform_device *pdev,
+			 const struct owl_clk_desc *desc);
+int owl_clk_probe(struct device *dev, struct clk_hw_onecell_data *hw_clks);
+
+#endif /* _OWL_COMMON_H_ */

drivers/clk/actions/owl-composite.c

@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL composite clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+
+#include "owl-composite.h"
+
+static u8 owl_comp_get_parent(struct clk_hw *hw)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_mux_helper_get_parent(&comp->common, &comp->mux_hw);
+}
+
+static int owl_comp_set_parent(struct clk_hw *hw, u8 index)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_mux_helper_set_parent(&comp->common, &comp->mux_hw, index);
+}
+
+static void owl_comp_disable(struct clk_hw *hw)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+	struct owl_clk_common *common = &comp->common;
+
+	owl_gate_set(common, &comp->gate_hw, false);
+}
+
+static int owl_comp_enable(struct clk_hw *hw)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+	struct owl_clk_common *common = &comp->common;
+
+	owl_gate_set(common, &comp->gate_hw, true);
+
+	return 0;
+}
+
+static int owl_comp_is_enabled(struct clk_hw *hw)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+	struct owl_clk_common *common = &comp->common;
+
+	return owl_gate_clk_is_enabled(common, &comp->gate_hw);
+}
+
+static long owl_comp_div_round_rate(struct clk_hw *hw, unsigned long rate,
+				unsigned long *parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_divider_helper_round_rate(&comp->common, &comp->rate.div_hw,
+					rate, parent_rate);
+}
+
+static unsigned long owl_comp_div_recalc_rate(struct clk_hw *hw,
+					  unsigned long parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_divider_helper_recalc_rate(&comp->common, &comp->rate.div_hw,
+					parent_rate);
+}
+
+static int owl_comp_div_set_rate(struct clk_hw *hw, unsigned long rate,
+				unsigned long parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_divider_helper_set_rate(&comp->common, &comp->rate.div_hw,
+					rate, parent_rate);
+}
+
+static long owl_comp_fact_round_rate(struct clk_hw *hw, unsigned long rate,
+			unsigned long *parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_factor_helper_round_rate(&comp->common,
+					&comp->rate.factor_hw,
+					rate, parent_rate);
+}
+
+static unsigned long owl_comp_fact_recalc_rate(struct clk_hw *hw,
+			unsigned long parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_factor_helper_recalc_rate(&comp->common,
+					&comp->rate.factor_hw,
+					parent_rate);
+}
+
+static int owl_comp_fact_set_rate(struct clk_hw *hw, unsigned long rate,
+			unsigned long parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+
+	return owl_factor_helper_set_rate(&comp->common,
+					&comp->rate.factor_hw,
+					rate, parent_rate);
+}
+
+static long owl_comp_fix_fact_round_rate(struct clk_hw *hw, unsigned long rate,
+			unsigned long *parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+	struct clk_fixed_factor *fix_fact_hw = &comp->rate.fix_fact_hw;
+
+	return comp->fix_fact_ops->round_rate(&fix_fact_hw->hw, rate, parent_rate);
+}
+
+static unsigned long owl_comp_fix_fact_recalc_rate(struct clk_hw *hw,
+			unsigned long parent_rate)
+{
+	struct owl_composite *comp = hw_to_owl_comp(hw);
+	struct clk_fixed_factor *fix_fact_hw = &comp->rate.fix_fact_hw;
+
+	return comp->fix_fact_ops->recalc_rate(&fix_fact_hw->hw, parent_rate);
+
+}
+
+static int owl_comp_fix_fact_set_rate(struct clk_hw *hw, unsigned long rate,
+			unsigned long parent_rate)
+{
+	/*
+	 * We must report success but we can do so unconditionally because
+	 * owl_comp_fix_fact_round_rate returns values that ensure this call is
+	 * a nop.
+	 */
+
+	return 0;
+}
+
+const struct clk_ops owl_comp_div_ops = {
+	/* mux_ops */
+	.get_parent	= owl_comp_get_parent,
+	.set_parent	= owl_comp_set_parent,
+
+	/* gate_ops */
+	.disable	= owl_comp_disable,
+	.enable		= owl_comp_enable,
+	.is_enabled	= owl_comp_is_enabled,
+
+	/* div_ops */
+	.round_rate	= owl_comp_div_round_rate,
+	.recalc_rate	= owl_comp_div_recalc_rate,
+	.set_rate	= owl_comp_div_set_rate,
+};
+
+
+const struct clk_ops owl_comp_fact_ops = {
+	/* mux_ops */
+	.get_parent	= owl_comp_get_parent,
+	.set_parent	= owl_comp_set_parent,
+
+	/* gate_ops */
+	.disable	= owl_comp_disable,
+	.enable		= owl_comp_enable,
+	.is_enabled	= owl_comp_is_enabled,
+
+	/* fact_ops */
+	.round_rate	= owl_comp_fact_round_rate,
+	.recalc_rate	= owl_comp_fact_recalc_rate,
+	.set_rate	= owl_comp_fact_set_rate,
+};
+
+const struct clk_ops owl_comp_fix_fact_ops = {
+	/* gate_ops */
+	.disable	= owl_comp_disable,
+	.enable		= owl_comp_enable,
+	.is_enabled	= owl_comp_is_enabled,
+
+	/* fix_fact_ops */
+	.round_rate	= owl_comp_fix_fact_round_rate,
+	.recalc_rate	= owl_comp_fix_fact_recalc_rate,
+	.set_rate	= owl_comp_fix_fact_set_rate,
+};
+
+
+const struct clk_ops owl_comp_pass_ops = {
+	/* mux_ops */
+	.get_parent	= owl_comp_get_parent,
+	.set_parent	= owl_comp_set_parent,
+
+	/* gate_ops */
+	.disable	= owl_comp_disable,
+	.enable		= owl_comp_enable,
+	.is_enabled	= owl_comp_is_enabled,
+};

drivers/clk/actions/owl-composite.h

@@ -0,0 +1,124 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL composite clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_COMPOSITE_H_
+#define _OWL_COMPOSITE_H_
+
+#include "owl-common.h"
+#include "owl-mux.h"
+#include "owl-gate.h"
+#include "owl-factor.h"
+#include "owl-fixed-factor.h"
+#include "owl-divider.h"
+
+union owl_rate {
+	struct owl_divider_hw	div_hw;
+	struct owl_factor_hw	factor_hw;
+	struct clk_fixed_factor	fix_fact_hw;
+};
+
+struct owl_composite {
+	struct owl_mux_hw	mux_hw;
+	struct owl_gate_hw	gate_hw;
+	union owl_rate		rate;
+
+	const struct clk_ops	*fix_fact_ops;
+
+	struct owl_clk_common	common;
+};
+
+#define OWL_COMP_DIV(_struct, _name, _parent,				\
+		     _mux, _gate, _div, _flags)				\
+	struct owl_composite _struct = {				\
+		.mux_hw		= _mux,					\
+		.gate_hw	= _gate,				\
+		.rate.div_hw	= _div,					\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT_PARENTS(_name,	\
+						     _parent,		\
+						      &owl_comp_div_ops,\
+						     _flags),		\
+		},							\
+	}
+
+#define OWL_COMP_DIV_FIXED(_struct, _name, _parent,			\
+		     _gate, _div, _flags)				\
+	struct owl_composite _struct = {				\
+		.gate_hw	= _gate,				\
+		.rate.div_hw	= _div,					\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT(_name,		\
+						     _parent,		\
+						      &owl_comp_div_ops,\
+						     _flags),		\
+		},							\
+	}
+
+#define OWL_COMP_FACTOR(_struct, _name, _parent,			\
+			_mux, _gate, _factor, _flags)			\
+	struct owl_composite _struct = {				\
+		.mux_hw		= _mux,					\
+		.gate_hw	= _gate,				\
+		.rate.factor_hw	= _factor,				\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT_PARENTS(_name,	\
+						     _parent,		\
+						     &owl_comp_fact_ops,\
+						     _flags),		\
+		},							\
+	}
+
+#define OWL_COMP_FIXED_FACTOR(_struct, _name, _parent,			\
+			_gate, _mul, _div, _flags)			\
+	struct owl_composite _struct = {				\
+		.gate_hw		= _gate,			\
+		.rate.fix_fact_hw.mult	= _mul,				\
+		.rate.fix_fact_hw.div	= _div,				\
+		.fix_fact_ops		= &clk_fixed_factor_ops,	\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT(_name,		\
+						 _parent,		\
+						 &owl_comp_fix_fact_ops,\
+						 _flags),		\
+		},							\
+	}
+
+#define OWL_COMP_PASS(_struct, _name, _parent,				\
+		      _mux, _gate, _flags)				\
+	struct owl_composite _struct = {				\
+		.mux_hw		= _mux,					\
+		.gate_hw	= _gate,				\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT_PARENTS(_name,	\
+						     _parent,		\
+						     &owl_comp_pass_ops,\
+						     _flags),		\
+		},							\
+	}
+
+static inline struct owl_composite *hw_to_owl_comp(const struct clk_hw *hw)
+{
+	struct owl_clk_common *common = hw_to_owl_clk_common(hw);
+
+	return container_of(common, struct owl_composite, common);
+}
+
+extern const struct clk_ops owl_comp_div_ops;
+extern const struct clk_ops owl_comp_fact_ops;
+extern const struct clk_ops owl_comp_fix_fact_ops;
+extern const struct clk_ops owl_comp_pass_ops;
+extern const struct clk_ops clk_fixed_factor_ops;
+
+#endif /* _OWL_COMPOSITE_H_ */

drivers/clk/actions/owl-divider.c

@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL divider clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+
+#include "owl-divider.h"
+
+long owl_divider_helper_round_rate(struct owl_clk_common *common,
+				const struct owl_divider_hw *div_hw,
+				unsigned long rate,
+				unsigned long *parent_rate)
+{
+	return divider_round_rate(&common->hw, rate, parent_rate,
+				  div_hw->table, div_hw->width,
+				  div_hw->div_flags);
+}
+
+static long owl_divider_round_rate(struct clk_hw *hw, unsigned long rate,
+				unsigned long *parent_rate)
+{
+	struct owl_divider *div = hw_to_owl_divider(hw);
+
+	return owl_divider_helper_round_rate(&div->common, &div->div_hw,
+					     rate, parent_rate);
+}
+
+unsigned long owl_divider_helper_recalc_rate(struct owl_clk_common *common,
+					 const struct owl_divider_hw *div_hw,
+					 unsigned long parent_rate)
+{
+	unsigned long val;
+	unsigned int reg;
+
+	regmap_read(common->regmap, div_hw->reg, &reg);
+	val = reg >> div_hw->shift;
+	val &= (1 << div_hw->width) - 1;
+
+	return divider_recalc_rate(&common->hw, parent_rate,
+				   val, div_hw->table,
+				   div_hw->div_flags,
+				   div_hw->width);
+}
+
+static unsigned long owl_divider_recalc_rate(struct clk_hw *hw,
+					  unsigned long parent_rate)
+{
+	struct owl_divider *div = hw_to_owl_divider(hw);
+
+	return owl_divider_helper_recalc_rate(&div->common,
+					      &div->div_hw, parent_rate);
+}
+
+int owl_divider_helper_set_rate(const struct owl_clk_common *common,
+				const struct owl_divider_hw *div_hw,
+				unsigned long rate,
+				unsigned long parent_rate)
+{
+	unsigned long val;
+	unsigned int reg;
+
+	val = divider_get_val(rate, parent_rate, div_hw->table,
+			      div_hw->width, 0);
+
+	regmap_read(common->regmap, div_hw->reg, &reg);
+	reg &= ~GENMASK(div_hw->width + div_hw->shift - 1, div_hw->shift);
+
+	regmap_write(common->regmap, div_hw->reg,
+			  reg | (val << div_hw->shift));
+
+	return 0;
+}
+
+static int owl_divider_set_rate(struct clk_hw *hw, unsigned long rate,
+				unsigned long parent_rate)
+{
+	struct owl_divider *div = hw_to_owl_divider(hw);
+
+	return owl_divider_helper_set_rate(&div->common, &div->div_hw,
+					rate, parent_rate);
+}
+
+const struct clk_ops owl_divider_ops = {
+	.recalc_rate = owl_divider_recalc_rate,
+	.round_rate = owl_divider_round_rate,
+	.set_rate = owl_divider_set_rate,
+};

drivers/clk/actions/owl-divider.h

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL divider clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_DIVIDER_H_
+#define _OWL_DIVIDER_H_
+
+#include "owl-common.h"
+
+struct owl_divider_hw {
+	u32			reg;
+	u8			shift;
+	u8			width;
+	u8			div_flags;
+	struct clk_div_table	*table;
+};
+
+struct owl_divider {
+	struct owl_divider_hw	div_hw;
+	struct owl_clk_common	common;
+};
+
+#define OWL_DIVIDER_HW(_reg, _shift, _width, _div_flags, _table)	\
+	{								\
+		.reg		= _reg,					\
+		.shift		= _shift,				\
+		.width		= _width,				\
+		.div_flags	= _div_flags,				\
+		.table		= _table,				\
+	}
+
+#define OWL_DIVIDER(_struct, _name, _parent, _reg,			\
+		    _shift, _width, _table, _div_flags, _flags)		\
+	struct owl_divider _struct = {					\
+		.div_hw	= OWL_DIVIDER_HW(_reg, _shift, _width,		\
+					 _div_flags, _table),		\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT(_name,		\
+						      _parent,		\
+						      &owl_divider_ops,	\
+						      _flags),		\
+		},							\
+	}
+
+static inline struct owl_divider *hw_to_owl_divider(const struct clk_hw *hw)
+{
+	struct owl_clk_common *common = hw_to_owl_clk_common(hw);
+
+	return container_of(common, struct owl_divider, common);
+}
+
+long owl_divider_helper_round_rate(struct owl_clk_common *common,
+				const struct owl_divider_hw *div_hw,
+				unsigned long rate,
+				unsigned long *parent_rate);
+
+unsigned long owl_divider_helper_recalc_rate(struct owl_clk_common *common,
+					 const struct owl_divider_hw *div_hw,
+					 unsigned long parent_rate);
+
+int owl_divider_helper_set_rate(const struct owl_clk_common *common,
+				const struct owl_divider_hw *div_hw,
+				unsigned long rate,
+				unsigned long parent_rate);
+
+extern const struct clk_ops owl_divider_ops;
+
+#endif /* _OWL_DIVIDER_H_ */

drivers/clk/actions/owl-factor.c

@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL factor clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include "owl-factor.h"
+
+static unsigned int _get_table_maxval(const struct clk_factor_table *table)
+{
+	unsigned int maxval = 0;
+	const struct clk_factor_table *clkt;
+
+	for (clkt = table; clkt->div; clkt++)
+		if (clkt->val > maxval)
+			maxval = clkt->val;
+	return maxval;
+}
+
+static int _get_table_div_mul(const struct clk_factor_table *table,
+			unsigned int val, unsigned int *mul, unsigned int *div)
+{
+	const struct clk_factor_table *clkt;
+
+	for (clkt = table; clkt->div; clkt++) {
+		if (clkt->val == val) {
+			*mul = clkt->mul;
+			*div = clkt->div;
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static unsigned int _get_table_val(const struct clk_factor_table *table,
+			unsigned long rate, unsigned long parent_rate)
+{
+	const struct clk_factor_table *clkt;
+	int val = -1;
+	u64 calc_rate;
+
+	for (clkt = table; clkt->div; clkt++) {
+		calc_rate = parent_rate * clkt->mul;
+		do_div(calc_rate, clkt->div);
+
+		if ((unsigned long)calc_rate <= rate) {
+			val = clkt->val;
+			break;
+		}
+	}
+
+	if (val == -1)
+		val = _get_table_maxval(table);
+
+	return val;
+}
+
+static int clk_val_best(struct clk_hw *hw, unsigned long rate,
+			unsigned long *best_parent_rate)
+{
+	struct owl_factor *factor = hw_to_owl_factor(hw);
+	struct owl_factor_hw *factor_hw = &factor->factor_hw;
+	const struct clk_factor_table *clkt = factor_hw->table;
+	unsigned long parent_rate, try_parent_rate, best = 0, cur_rate;
+	unsigned long parent_rate_saved = *best_parent_rate;
+	int bestval = 0;
+
+	if (!rate)
+		rate = 1;
+
+	if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) {
+		parent_rate = *best_parent_rate;
+		bestval = _get_table_val(clkt, rate, parent_rate);
+		return bestval;
+	}
+
+	for (clkt = factor_hw->table; clkt->div; clkt++) {
+		try_parent_rate = rate * clkt->div / clkt->mul;
+
+		if (try_parent_rate == parent_rate_saved) {
+			pr_debug("%s: [%d %d %d] found try_parent_rate %ld\n",
+				__func__, clkt->val, clkt->mul, clkt->div,
+				try_parent_rate);
+			/*
+			 * It's the most ideal case if the requested rate can be
+			 * divided from parent clock without any need to change
+			 * parent rate, so return the divider immediately.
+			 */
+			*best_parent_rate = parent_rate_saved;
+			return clkt->val;
+		}
+
+		parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw),
+				try_parent_rate);
+		cur_rate = DIV_ROUND_UP(parent_rate, clkt->div) * clkt->mul;
+		if (cur_rate <= rate && cur_rate > best) {
+			bestval = clkt->val;
+			best = cur_rate;
+			*best_parent_rate = parent_rate;
+		}
+	}
+
+	if (!bestval) {
+		bestval = _get_table_maxval(clkt);
+		*best_parent_rate = clk_hw_round_rate(
+				clk_hw_get_parent(hw), 1);
+	}
+
+	return bestval;
+}
+
+long owl_factor_helper_round_rate(struct owl_clk_common *common,
+				const struct owl_factor_hw *factor_hw,
+				unsigned long rate,
+				unsigned long *parent_rate)
+{
+	const struct clk_factor_table *clkt = factor_hw->table;
+	unsigned int val, mul = 0, div = 1;
+
+	val = clk_val_best(&common->hw, rate, parent_rate);
+	_get_table_div_mul(clkt, val, &mul, &div);
+
+	return *parent_rate * mul / div;
+}
+
+static long owl_factor_round_rate(struct clk_hw *hw, unsigned long rate,
+			unsigned long *parent_rate)
+{
+	struct owl_factor *factor = hw_to_owl_factor(hw);
+	struct owl_factor_hw *factor_hw = &factor->factor_hw;
+
+	return owl_factor_helper_round_rate(&factor->common, factor_hw,
+					rate, parent_rate);
+}
+
+unsigned long owl_factor_helper_recalc_rate(struct owl_clk_common *common,
+					 const struct owl_factor_hw *factor_hw,
+					 unsigned long parent_rate)
+{
+	const struct clk_factor_table *clkt = factor_hw->table;
+	unsigned long long int rate;
+	u32 reg, val, mul, div;
+
+	div = 0;
+	mul = 0;
+
+	regmap_read(common->regmap, factor_hw->reg, &reg);
+
+	val = reg >> factor_hw->shift;
+	val &= div_mask(factor_hw);
+
+	_get_table_div_mul(clkt, val, &mul, &div);
+	if (!div) {
+		WARN(!(factor_hw->fct_flags & CLK_DIVIDER_ALLOW_ZERO),
+			"%s: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set\n",
+			__clk_get_name(common->hw.clk));
+		return parent_rate;
+	}
+
+	rate = (unsigned long long int)parent_rate * mul;
+	do_div(rate, div);
+
+	return rate;
+}
+
+static unsigned long owl_factor_recalc_rate(struct clk_hw *hw,
+			unsigned long parent_rate)
+{
+	struct owl_factor *factor = hw_to_owl_factor(hw);
+	struct owl_factor_hw *factor_hw = &factor->factor_hw;
+	struct owl_clk_common *common = &factor->common;
+
+	return owl_factor_helper_recalc_rate(common, factor_hw, parent_rate);
+}
+
+int owl_factor_helper_set_rate(const struct owl_clk_common *common,
+				const struct owl_factor_hw *factor_hw,
+				unsigned long rate,
+				unsigned long parent_rate)
+{
+	u32 val, reg;
+
+	val = _get_table_val(factor_hw->table, rate, parent_rate);
+
+	if (val > div_mask(factor_hw))
+		val = div_mask(factor_hw);
+
+	regmap_read(common->regmap, factor_hw->reg, &reg);
+
+	reg &= ~(div_mask(factor_hw) << factor_hw->shift);
+	reg |= val << factor_hw->shift;
+
+	regmap_write(common->regmap, factor_hw->reg, reg);
+
+	return 0;
+}
+
+static int owl_factor_set_rate(struct clk_hw *hw, unsigned long rate,
+			       unsigned long parent_rate)
+{
+	struct owl_factor *factor = hw_to_owl_factor(hw);
+	struct owl_factor_hw *factor_hw = &factor->factor_hw;
+	struct owl_clk_common *common = &factor->common;
+
+	return owl_factor_helper_set_rate(common, factor_hw,
+					rate, parent_rate);
+}
+
+const struct clk_ops owl_factor_ops = {
+	.round_rate	= owl_factor_round_rate,
+	.recalc_rate	= owl_factor_recalc_rate,
+	.set_rate	= owl_factor_set_rate,
+};

drivers/clk/actions/owl-factor.h

@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL factor clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_FACTOR_H_
+#define _OWL_FACTOR_H_
+
+#include "owl-common.h"
+
+struct clk_factor_table {
+	unsigned int		val;
+	unsigned int		mul;
+	unsigned int		div;
+};
+
+struct owl_factor_hw {
+	u32			reg;
+	u8			shift;
+	u8			width;
+	u8			fct_flags;
+	struct clk_factor_table	*table;
+};
+
+struct owl_factor {
+	struct owl_factor_hw	factor_hw;
+	struct owl_clk_common	common;
+};
+
+#define OWL_FACTOR_HW(_reg, _shift, _width, _fct_flags, _table)		\
+	{								\
+		.reg		= _reg,					\
+		.shift		= _shift,				\
+		.width		= _width,				\
+		.fct_flags	= _fct_flags,				\
+		.table		= _table,				\
+	}
+
+#define OWL_FACTOR(_struct, _name, _parent, _reg,			\
+		   _shift, _width, _table, _fct_flags, _flags)		\
+	struct owl_factor _struct = {					\
+		.factor_hw = OWL_FACTOR_HW(_reg, _shift,		\
+					   _width, _fct_flags, _table),	\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT(_name,		\
+						      _parent,		\
+						      &owl_factor_ops,	\
+						      _flags),		\
+		},							\
+	}
+
+#define div_mask(d) ((1 << ((d)->width)) - 1)
+
+static inline struct owl_factor *hw_to_owl_factor(const struct clk_hw *hw)
+{
+	struct owl_clk_common *common = hw_to_owl_clk_common(hw);
+
+	return container_of(common, struct owl_factor, common);
+}
+
+long owl_factor_helper_round_rate(struct owl_clk_common *common,
+				const struct owl_factor_hw *factor_hw,
+				unsigned long rate,
+				unsigned long *parent_rate);
+
+unsigned long owl_factor_helper_recalc_rate(struct owl_clk_common *common,
+					 const struct owl_factor_hw *factor_hw,
+					 unsigned long parent_rate);
+
+int owl_factor_helper_set_rate(const struct owl_clk_common *common,
+				const struct owl_factor_hw *factor_hw,
+				unsigned long rate,
+				unsigned long parent_rate);
+
+extern const struct clk_ops owl_factor_ops;
+
+#endif /* _OWL_FACTOR_H_ */

drivers/clk/actions/owl-fixed-factor.h

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL fixed factor clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_FIXED_FACTOR_H_
+#define _OWL_FIXED_FACTOR_H_
+
+#include "owl-common.h"
+
+#define OWL_FIX_FACT(_struct, _name, _parent, _mul, _div, _flags)	\
+	struct clk_fixed_factor _struct = {				\
+		.mult		= _mul,					\
+		.div		= _div,					\
+		.hw.init	= CLK_HW_INIT(_name,			\
+					      _parent,			\
+					      &clk_fixed_factor_ops,	\
+					      _flags),			\
+	}
+
+extern const struct clk_ops clk_fixed_factor_ops;
+
+#endif /* _OWL_FIXED_FACTOR_H_ */

drivers/clk/actions/owl-gate.c

@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL gate clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+
+#include "owl-gate.h"
+
+void owl_gate_set(const struct owl_clk_common *common,
+		 const struct owl_gate_hw *gate_hw, bool enable)
+{
+	int set = gate_hw->gate_flags & CLK_GATE_SET_TO_DISABLE ? 1 : 0;
+	u32 reg;
+
+	set ^= enable;
+
+	regmap_read(common->regmap, gate_hw->reg, &reg);
+
+	if (set)
+		reg |= BIT(gate_hw->bit_idx);
+	else
+		reg &= ~BIT(gate_hw->bit_idx);
+
+	regmap_write(common->regmap, gate_hw->reg, reg);
+}
+
+static void owl_gate_disable(struct clk_hw *hw)
+{
+	struct owl_gate *gate = hw_to_owl_gate(hw);
+	struct owl_clk_common *common = &gate->common;
+
+	owl_gate_set(common, &gate->gate_hw, false);
+}
+
+static int owl_gate_enable(struct clk_hw *hw)
+{
+	struct owl_gate *gate = hw_to_owl_gate(hw);
+	struct owl_clk_common *common = &gate->common;
+
+	owl_gate_set(common, &gate->gate_hw, true);
+
+	return 0;
+}
+
+int owl_gate_clk_is_enabled(const struct owl_clk_common *common,
+		   const struct owl_gate_hw *gate_hw)
+{
+	u32 reg;
+
+	regmap_read(common->regmap, gate_hw->reg, &reg);
+
+	if (gate_hw->gate_flags & CLK_GATE_SET_TO_DISABLE)
+		reg ^= BIT(gate_hw->bit_idx);
+
+	return !!(reg & BIT(gate_hw->bit_idx));
+}
+
+static int owl_gate_is_enabled(struct clk_hw *hw)
+{
+	struct owl_gate *gate = hw_to_owl_gate(hw);
+	struct owl_clk_common *common = &gate->common;
+
+	return owl_gate_clk_is_enabled(common, &gate->gate_hw);
+}
+
+const struct clk_ops owl_gate_ops = {
+	.disable	= owl_gate_disable,
+	.enable		= owl_gate_enable,
+	.is_enabled	= owl_gate_is_enabled,
+};

drivers/clk/actions/owl-gate.h

@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL gate clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_GATE_H_
+#define _OWL_GATE_H_
+
+#include "owl-common.h"
+
+struct owl_gate_hw {
+	u32			reg;
+	u8			bit_idx;
+	u8			gate_flags;
+};
+
+struct owl_gate {
+	struct owl_gate_hw	gate_hw;
+	struct owl_clk_common	common;
+};
+
+#define OWL_GATE_HW(_reg, _bit_idx, _gate_flags)	\
+	{						\
+		.reg		= _reg,			\
+		.bit_idx	= _bit_idx,		\
+		.gate_flags	= _gate_flags,		\
+	}
+
+#define OWL_GATE(_struct, _name, _parent, _reg,				\
+		_bit_idx, _gate_flags, _flags)				\
+	struct owl_gate _struct = {					\
+		.gate_hw = OWL_GATE_HW(_reg, _bit_idx, _gate_flags),	\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT(_name,		\
+						      _parent,		\
+						      &owl_gate_ops,	\
+						      _flags),		\
+		}							\
+	}								\
+
+#define OWL_GATE_NO_PARENT(_struct, _name, _reg,			\
+		_bit_idx, _gate_flags, _flags)				\
+	struct owl_gate _struct = {					\
+		.gate_hw = OWL_GATE_HW(_reg, _bit_idx, _gate_flags),	\
+		.common = {						\
+			.regmap		= NULL,				\
+			.hw.init	= CLK_HW_INIT_NO_PARENT(_name,	\
+						      &owl_gate_ops,	\
+						      _flags),		\
+		},							\
+	}								\
+
+static inline struct owl_gate *hw_to_owl_gate(const struct clk_hw *hw)
+{
+	struct owl_clk_common *common = hw_to_owl_clk_common(hw);
+
+	return container_of(common, struct owl_gate, common);
+}
+
+void owl_gate_set(const struct owl_clk_common *common,
+		 const struct owl_gate_hw *gate_hw, bool enable);
+int owl_gate_clk_is_enabled(const struct owl_clk_common *common,
+		   const struct owl_gate_hw *gate_hw);
+
+extern const struct clk_ops owl_gate_ops;
+
+#endif /* _OWL_GATE_H_ */

drivers/clk/actions/owl-mux.c

@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL mux clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+
+#include "owl-mux.h"
+
+u8 owl_mux_helper_get_parent(const struct owl_clk_common *common,
+			     const struct owl_mux_hw *mux_hw)
+{
+	u32 reg;
+	u8 parent;
+
+	regmap_read(common->regmap, mux_hw->reg, &reg);
+	parent = reg >> mux_hw->shift;
+	parent &= BIT(mux_hw->width) - 1;
+
+	return parent;
+}
+
+static u8 owl_mux_get_parent(struct clk_hw *hw)
+{
+	struct owl_mux *mux = hw_to_owl_mux(hw);
+
+	return owl_mux_helper_get_parent(&mux->common, &mux->mux_hw);
+}
+
+int owl_mux_helper_set_parent(const struct owl_clk_common *common,
+			      struct owl_mux_hw *mux_hw, u8 index)
+{
+	u32 reg;
+
+	regmap_read(common->regmap, mux_hw->reg, &reg);
+	reg &= ~GENMASK(mux_hw->width + mux_hw->shift - 1, mux_hw->shift);
+	regmap_write(common->regmap, mux_hw->reg,
+			reg | (index << mux_hw->shift));
+
+	return 0;
+}
+
+static int owl_mux_set_parent(struct clk_hw *hw, u8 index)
+{
+	struct owl_mux *mux = hw_to_owl_mux(hw);
+
+	return owl_mux_helper_set_parent(&mux->common, &mux->mux_hw, index);
+}
+
+const struct clk_ops owl_mux_ops = {
+	.get_parent = owl_mux_get_parent,
+	.set_parent = owl_mux_set_parent,
+	.determine_rate = __clk_mux_determine_rate,
+};

drivers/clk/actions/owl-mux.h

@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL mux clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_MUX_H_
+#define _OWL_MUX_H_
+
+#include "owl-common.h"
+
+struct owl_mux_hw {
+	u32			reg;
+	u8			shift;
+	u8			width;
+};
+
+struct owl_mux {
+	struct owl_mux_hw	mux_hw;
+	struct owl_clk_common	common;
+};
+
+#define OWL_MUX_HW(_reg, _shift, _width)		\
+	{						\
+		.reg	= _reg,				\
+		.shift	= _shift,			\
+		.width	= _width,			\
+	}
+
+#define OWL_MUX(_struct, _name, _parents, _reg,				\
+		_shift, _width, _flags)					\
+	struct owl_mux _struct = {					\
+		.mux_hw	= OWL_MUX_HW(_reg, _shift, _width),		\
+		.common = {						\
+			.regmap = NULL,					\
+			.hw.init = CLK_HW_INIT_PARENTS(_name,		\
+						       _parents,	\
+						       &owl_mux_ops,	\
+						       _flags),		\
+		},							\
+	}
+
+static inline struct owl_mux *hw_to_owl_mux(const struct clk_hw *hw)
+{
+	struct owl_clk_common *common = hw_to_owl_clk_common(hw);
+
+	return container_of(common, struct owl_mux, common);
+}
+
+u8 owl_mux_helper_get_parent(const struct owl_clk_common *common,
+			     const struct owl_mux_hw *mux_hw);
+int owl_mux_helper_set_parent(const struct owl_clk_common *common,
+			      struct owl_mux_hw *mux_hw, u8 index);
+
+extern const struct clk_ops owl_mux_ops;
+
+#endif /* _OWL_MUX_H_ */

drivers/clk/actions/owl-pll.c

@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL pll clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include "owl-pll.h"
+
+static u32 owl_pll_calculate_mul(struct owl_pll_hw *pll_hw, unsigned long rate)
+{
+	u32 mul;
+
+	mul = DIV_ROUND_CLOSEST(rate, pll_hw->bfreq);
+	if (mul < pll_hw->min_mul)
+		mul = pll_hw->min_mul;
+	else if (mul > pll_hw->max_mul)
+		mul = pll_hw->max_mul;
+
+	return mul &= mul_mask(pll_hw);
+}
+
+static unsigned long _get_table_rate(const struct clk_pll_table *table,
+		unsigned int val)
+{
+	const struct clk_pll_table *clkt;
+
+	for (clkt = table; clkt->rate; clkt++)
+		if (clkt->val == val)
+			return clkt->rate;
+
+	return 0;
+}
+
+static const struct clk_pll_table *_get_pll_table(
+		const struct clk_pll_table *table, unsigned long rate)
+{
+	const struct clk_pll_table *clkt;
+
+	for (clkt = table; clkt->rate; clkt++) {
+		if (clkt->rate == rate) {
+			table = clkt;
+			break;
+		} else if (clkt->rate < rate)
+			table = clkt;
+	}
+
+	return table;
+}
+
+static long owl_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+		unsigned long *parent_rate)
+{
+	struct owl_pll *pll = hw_to_owl_pll(hw);
+	struct owl_pll_hw *pll_hw = &pll->pll_hw;
+	const struct clk_pll_table *clkt;
+	u32 mul;
+
+	if (pll_hw->table) {
+		clkt = _get_pll_table(pll_hw->table, rate);
+		return clkt->rate;
+	}
+
+	/* fixed frequency */
+	if (pll_hw->width == 0)
+		return pll_hw->bfreq;
+
+	mul = owl_pll_calculate_mul(pll_hw, rate);
+
+	return pll_hw->bfreq * mul;
+}
+
+static unsigned long owl_pll_recalc_rate(struct clk_hw *hw,
+		unsigned long parent_rate)
+{
+	struct owl_pll *pll = hw_to_owl_pll(hw);
+	struct owl_pll_hw *pll_hw = &pll->pll_hw;
+	const struct owl_clk_common *common = &pll->common;
+	u32 val;
+
+	if (pll_hw->table) {
+		regmap_read(common->regmap, pll_hw->reg, &val);
+
+		val = val >> pll_hw->shift;
+		val &= mul_mask(pll_hw);
+
+		return _get_table_rate(pll_hw->table, val);
+	}
+
+	/* fixed frequency */
+	if (pll_hw->width == 0)
+		return pll_hw->bfreq;
+
+	regmap_read(common->regmap, pll_hw->reg, &val);
+
+	val = val >> pll_hw->shift;
+	val &= mul_mask(pll_hw);
+
+	return pll_hw->bfreq * val;
+}
+
+static int owl_pll_is_enabled(struct clk_hw *hw)
+{
+	struct owl_pll *pll = hw_to_owl_pll(hw);
+	struct owl_pll_hw *pll_hw = &pll->pll_hw;
+	const struct owl_clk_common *common = &pll->common;
+	u32 reg;
+
+	regmap_read(common->regmap, pll_hw->reg, &reg);
+
+	return !!(reg & BIT(pll_hw->bit_idx));
+}
+
+static void owl_pll_set(const struct owl_clk_common *common,
+		       const struct owl_pll_hw *pll_hw, bool enable)
+{
+	u32 reg;
+
+	regmap_read(common->regmap, pll_hw->reg, &reg);
+
+	if (enable)
+		reg |= BIT(pll_hw->bit_idx);
+	else
+		reg &= ~BIT(pll_hw->bit_idx);
+
+	regmap_write(common->regmap, pll_hw->reg, reg);
+}
+
+static int owl_pll_enable(struct clk_hw *hw)
+{
+	struct owl_pll *pll = hw_to_owl_pll(hw);
+	const struct owl_clk_common *common = &pll->common;
+
+	owl_pll_set(common, &pll->pll_hw, true);
+
+	return 0;
+}
+
+static void owl_pll_disable(struct clk_hw *hw)
+{
+	struct owl_pll *pll = hw_to_owl_pll(hw);
+	const struct owl_clk_common *common = &pll->common;
+
+	owl_pll_set(common, &pll->pll_hw, false);
+}
+
+static int owl_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+		unsigned long parent_rate)
+{
+	struct owl_pll *pll = hw_to_owl_pll(hw);
+	struct owl_pll_hw *pll_hw = &pll->pll_hw;
+	const struct owl_clk_common *common = &pll->common;
+	const struct clk_pll_table *clkt;
+	u32 val, reg;
+
+	/* fixed frequency */
+	if (pll_hw->width == 0)
+		return 0;
+
+	if (pll_hw->table) {
+		clkt = _get_pll_table(pll_hw->table, rate);
+		val = clkt->val;
+	} else {
+		val = owl_pll_calculate_mul(pll_hw, rate);
+	}
+
+	regmap_read(common->regmap, pll_hw->reg, &reg);
+
+	reg &= ~mul_mask(pll_hw);
+	reg |= val << pll_hw->shift;
+
+	regmap_write(common->regmap, pll_hw->reg, reg);
+
+	udelay(PLL_STABILITY_WAIT_US);
+
+	return 0;
+}
+
+const struct clk_ops owl_pll_ops = {
+	.enable = owl_pll_enable,
+	.disable = owl_pll_disable,
+	.is_enabled = owl_pll_is_enabled,
+	.round_rate = owl_pll_round_rate,
+	.recalc_rate = owl_pll_recalc_rate,
+	.set_rate = owl_pll_set_rate,
+};

drivers/clk/actions/owl-pll.h

@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL pll clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#ifndef _OWL_PLL_H_
+#define _OWL_PLL_H_
+
+#include "owl-common.h"
+
+/* last entry should have rate = 0 */
+struct clk_pll_table {
+	unsigned int		val;
+	unsigned long		rate;
+};
+
+struct owl_pll_hw {
+	u32			reg;
+	u32			bfreq;
+	u8			bit_idx;
+	u8			shift;
+	u8			width;
+	u8			min_mul;
+	u8			max_mul;
+	const struct clk_pll_table *table;
+};
+
+struct owl_pll {
+	struct owl_pll_hw	pll_hw;
+	struct owl_clk_common	common;
+};
+
+#define OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift,			\
+		   _width, _min_mul, _max_mul, _table)			\
+	{								\
+		.reg		= _reg,					\
+		.bfreq		= _bfreq,				\
+		.bit_idx	= _bit_idx,				\
+		.shift		= _shift,				\
+		.width		= _width,				\
+		.min_mul	= _min_mul,				\
+		.max_mul	= _max_mul,				\
+		.table		= _table,				\
+	}
+
+#define OWL_PLL(_struct, _name, _parent, _reg, _bfreq, _bit_idx,	\
+		_shift, _width, _min_mul, _max_mul, _table, _flags)	\
+	struct owl_pll _struct = {					\
+		.pll_hw	= OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift,	\
+				     _width, _min_mul,			\
+				     _max_mul, _table),			\
+		.common = {						\
+			.regmap = NULL,					\
+			.hw.init = CLK_HW_INIT(_name,			\
+					       _parent,			\
+					       &owl_pll_ops,		\
+					       _flags),			\
+		},							\
+	}
+
+#define OWL_PLL_NO_PARENT(_struct, _name, _reg, _bfreq, _bit_idx,	\
+		_shift, _width, _min_mul, _max_mul, _table, _flags)	\
+	struct owl_pll _struct = {					\
+		.pll_hw	= OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift,	\
+				     _width, _min_mul,			\
+				     _max_mul, _table),			\
+		.common = {						\
+			.regmap = NULL,					\
+			.hw.init = CLK_HW_INIT_NO_PARENT(_name,		\
+					       &owl_pll_ops,		\
+					       _flags),			\
+		},							\
+	}
+
+#define mul_mask(m)		((1 << ((m)->width)) - 1)
+#define PLL_STABILITY_WAIT_US	(50)
+
+static inline struct owl_pll *hw_to_owl_pll(const struct clk_hw *hw)
+{
+	struct owl_clk_common *common = hw_to_owl_clk_common(hw);
+
+	return container_of(common, struct owl_pll, common);
+}
+
+extern const struct clk_ops owl_pll_ops;
+
+#endif /* _OWL_PLL_H_ */

drivers/clk/actions/owl-s900.c

@@ -0,0 +1,721 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// OWL S900 SoC clock driver
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Author: David Liu <liuwei@actions-semi.com>
+//
+// Copyright (c) 2018 Linaro Ltd.
+// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "owl-common.h"
+#include "owl-composite.h"
+#include "owl-divider.h"
+#include "owl-factor.h"
+#include "owl-fixed-factor.h"
+#include "owl-gate.h"
+#include "owl-mux.h"
+#include "owl-pll.h"
+
+#include <dt-bindings/clock/actions,s900-cmu.h>
+
+#define CMU_COREPLL		(0x0000)
+#define CMU_DEVPLL		(0x0004)
+#define CMU_DDRPLL		(0x0008)
+#define CMU_NANDPLL		(0x000C)
+#define CMU_DISPLAYPLL		(0x0010)
+#define CMU_AUDIOPLL		(0x0014)
+#define CMU_TVOUTPLL		(0x0018)
+#define CMU_BUSCLK		(0x001C)
+#define CMU_SENSORCLK		(0x0020)
+#define CMU_LCDCLK		(0x0024)
+#define CMU_DSICLK		(0x0028)
+#define CMU_CSICLK		(0x002C)
+#define CMU_DECLK		(0x0030)
+#define CMU_BISPCLK		(0x0034)
+#define CMU_IMXCLK		(0x0038)
+#define CMU_HDECLK		(0x003C)
+#define CMU_VDECLK		(0x0040)
+#define CMU_VCECLK		(0x0044)
+#define CMU_NANDCCLK		(0x004C)
+#define CMU_SD0CLK		(0x0050)
+#define CMU_SD1CLK		(0x0054)
+#define CMU_SD2CLK		(0x0058)
+#define CMU_UART0CLK		(0x005C)
+#define CMU_UART1CLK		(0x0060)
+#define CMU_UART2CLK		(0x0064)
+#define CMU_PWM0CLK		(0x0070)
+#define CMU_PWM1CLK		(0x0074)
+#define CMU_PWM2CLK		(0x0078)
+#define CMU_PWM3CLK		(0x007C)
+#define CMU_USBPLL		(0x0080)
+#define CMU_ASSISTPLL		(0x0084)
+#define CMU_EDPCLK		(0x0088)
+#define CMU_GPU3DCLK		(0x0090)
+#define CMU_CORECTL		(0x009C)
+#define CMU_DEVCLKEN0		(0x00A0)
+#define CMU_DEVCLKEN1		(0x00A4)
+#define CMU_DEVRST0		(0x00A8)
+#define CMU_DEVRST1		(0x00AC)
+#define CMU_UART3CLK		(0x00B0)
+#define CMU_UART4CLK		(0x00B4)
+#define CMU_UART5CLK		(0x00B8)
+#define CMU_UART6CLK		(0x00BC)
+#define CMU_TLSCLK		(0x00C0)
+#define CMU_SD3CLK		(0x00C4)
+#define CMU_PWM4CLK		(0x00C8)
+#define CMU_PWM5CLK		(0x00CC)
+
+static struct clk_pll_table clk_audio_pll_table[] = {
+	{ 0, 45158400 }, { 1, 49152000 },
+	{ 0, 0 },
+};
+
+static struct clk_pll_table clk_edp_pll_table[] = {
+	{ 0, 810000000 }, { 1, 135000000 }, { 2, 270000000 },
+	{ 0, 0 },
+};
+
+/* pll clocks */
+static OWL_PLL_NO_PARENT(core_pll_clk, "core_pll_clk", CMU_COREPLL, 24000000, 9, 0, 8, 5, 107, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT(dev_pll_clk, "dev_pll_clk", CMU_DEVPLL, 6000000, 8, 0, 8, 20, 180, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT(ddr_pll_clk, "ddr_pll_clk", CMU_DDRPLL, 24000000, 8, 0, 8, 5, 45, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT(nand_pll_clk, "nand_pll_clk", CMU_NANDPLL, 6000000, 8, 0, 8, 4, 100, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT(display_pll_clk, "display_pll_clk", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 20, 180, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT(assist_pll_clk, "assist_pll_clk", CMU_ASSISTPLL, 500000000, 0, 0, 0, 0, 0, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT(audio_pll_clk, "audio_pll_clk", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, clk_audio_pll_table, CLK_IGNORE_UNUSED);
+static OWL_PLL(edp_pll_clk, "edp_pll_clk", "edp24M_clk", CMU_EDPCLK, 0, 9, 0, 2, 0, 0, clk_edp_pll_table, CLK_IGNORE_UNUSED);
+
+static const char *cpu_clk_mux_p[] = { "losc", "hosc", "core_pll_clk", };
+static const char *dev_clk_p[] = { "hosc", "dev_pll_clk", };
+static const char *noc_clk_mux_p[] = { "dev_clk", "assist_pll_clk", };
+static const char *dmm_clk_mux_p[] = { "dev_clk", "nand_pll_clk", "assist_pll_clk", "ddr_clk_src", };
+static const char *bisp_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
+static const char *csi_clk_mux_p[] = { "display_pll_clk", "dev_clk", };
+static const char *de_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
+static const char *gpu_clk_mux_p[] = { "dev_clk", "display_pll_clk", "ddr_clk_src", };
+static const char *hde_clk_mux_p[] = { "dev_clk", "display_pll_clk", "ddr_clk_src", };
+static const char *imx_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
+static const char *lcd_clk_mux_p[] = { "display_pll_clk", "nand_pll_clk", };
+static const char *nand_clk_mux_p[] = { "dev_clk", "nand_pll_clk", };
+static const char *sd_clk_mux_p[] = { "dev_clk", "nand_pll_clk", };
+static const char *sensor_clk_mux_p[] = { "hosc", "bisp_clk", };
+static const char *uart_clk_mux_p[] = { "hosc", "dev_pll_clk", };
+static const char *vce_clk_mux_p[] = { "dev_clk", "display_pll_clk", "assist_pll_clk", "ddr_clk_src", };
+static const char *i2s_clk_mux_p[] = { "audio_pll_clk", };
+static const char *edp_clk_mux_p[] = { "assist_pll_clk", "display_pll_clk", };
+
+/* mux clocks */
+static OWL_MUX(cpu_clk, "cpu_clk", cpu_clk_mux_p, CMU_BUSCLK, 0, 2, CLK_SET_RATE_PARENT);
+static OWL_MUX(dev_clk, "dev_clk", dev_clk_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
+static OWL_MUX(noc_clk_mux, "noc_clk_mux", noc_clk_mux_p, CMU_BUSCLK, 7, 1, CLK_SET_RATE_PARENT);
+
+static struct clk_div_table nand_div_table[] = {
+	{ 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 6 },
+	{ 4, 8 }, { 5, 10 }, { 6, 12 }, { 7, 14 },
+	{ 8, 16 }, { 9, 18 }, { 10, 20 }, { 11, 22 },
+	{ 12, 24 }, { 13, 26 }, { 14, 28 }, { 15, 30 },
+	{ 0, 0 },
+};
+
+static struct clk_div_table apb_div_table[] = {
+	{ 1, 2 }, { 2, 3 }, { 3, 4 },
+	{ 0, 0 },
+};
+
+static struct clk_div_table eth_mac_div_table[] = {
+	{ 0, 2 }, { 1, 4 },
+	{ 0, 0 },
+};
+
+static struct clk_div_table rmii_ref_div_table[] = {
+	{ 0, 4 },	  { 1, 10 },
+	{ 0, 0 },
+};
+
+static struct clk_div_table usb3_mac_div_table[] = {
+	{ 1, 2 }, { 2, 3 }, { 3, 4 },
+	{ 0, 8 },
+};
+
+static struct clk_div_table i2s_div_table[] = {
+	{ 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
+	{ 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
+	{ 8, 24 },
+	{ 0, 0 },
+};
+
+static struct clk_div_table hdmia_div_table[] = {
+	{ 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
+	{ 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
+	{ 8, 24 },
+	{ 0, 0 },
+};
+
+/* divider clocks */
+static OWL_DIVIDER(noc_clk_div, "noc_clk_div", "noc_clk", CMU_BUSCLK, 19, 1, NULL, 0, 0);
+static OWL_DIVIDER(ahb_clk, "ahb_clk", "noc_clk_div", CMU_BUSCLK, 4, 1, NULL, 0, 0);
+static OWL_DIVIDER(apb_clk, "apb_clk", "ahb_clk", CMU_BUSCLK, 8, 2, apb_div_table, 0, 0);
+static OWL_DIVIDER(usb3_mac_clk, "usb3_mac_clk", "assist_pll_clk", CMU_ASSISTPLL, 12, 2, usb3_mac_div_table, 0, 0);
+static OWL_DIVIDER(rmii_ref_clk, "rmii_ref_clk", "assist_pll_clk", CMU_ASSISTPLL, 8, 1, rmii_ref_div_table, 0, 0);
+
+static struct clk_factor_table sd_factor_table[] = {
+	/* bit0 ~ 4 */
+	{ 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
+	{ 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
+	{ 8, 1, 9 }, { 9, 1, 10 }, { 10, 1, 11 }, { 11, 1, 12 },
+	{ 12, 1, 13 }, { 13, 1, 14 }, { 14, 1, 15 }, { 15, 1, 16 },
+	{ 16, 1, 17 }, { 17, 1, 18 }, { 18, 1, 19 }, { 19, 1, 20 },
+	{ 20, 1, 21 }, { 21, 1, 22 }, { 22, 1, 23 }, { 23, 1, 24 },
+	{ 24, 1, 25 }, { 25, 1, 26 }, { 26, 1, 27 }, { 27, 1, 28 },
+	{ 28, 1, 29 }, { 29, 1, 30 }, { 30, 1, 31 }, { 31, 1, 32 },
+
+	/* bit8: /128 */
+	{ 256, 1, 1 * 128 }, { 257, 1, 2 * 128 }, { 258, 1, 3 * 128 }, { 259, 1, 4 * 128 },
+	{ 260, 1, 5 * 128 }, { 261, 1, 6 * 128 }, { 262, 1, 7 * 128 }, { 263, 1, 8 * 128 },
+	{ 264, 1, 9 * 128 }, { 265, 1, 10 * 128 }, { 266, 1, 11 * 128 }, { 267, 1, 12 * 128 },
+	{ 268, 1, 13 * 128 }, { 269, 1, 14 * 128 }, { 270, 1, 15 * 128 }, { 271, 1, 16 * 128 },
+	{ 272, 1, 17 * 128 }, { 273, 1, 18 * 128 }, { 274, 1, 19 * 128 }, { 275, 1, 20 * 128 },
+	{ 276, 1, 21 * 128 }, { 277, 1, 22 * 128 }, { 278, 1, 23 * 128 }, { 279, 1, 24 * 128 },
+	{ 280, 1, 25 * 128 }, { 281, 1, 26 * 128 }, { 282, 1, 27 * 128 }, { 283, 1, 28 * 128 },
+	{ 284, 1, 29 * 128 }, { 285, 1, 30 * 128 }, { 286, 1, 31 * 128 }, { 287, 1, 32 * 128 },
+
+	{ 0, 0 },
+};
+
+static struct clk_factor_table dmm_factor_table[] = {
+	{ 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 1, 3 },
+	{ 4, 1, 4 },
+	{ 0, 0, 0 },
+};
+
+static struct clk_factor_table noc_factor_table[] = {
+	{ 0, 1, 1 },   { 1, 2, 3 }, { 2, 1, 2 }, { 3, 1, 3 }, { 4, 1, 4 },
+	{ 0, 0, 0 },
+};
+
+static struct clk_factor_table bisp_factor_table[] = {
+	{ 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 2, 5 },
+	{ 4, 1, 3 }, { 5, 1, 4 }, { 6, 1, 6 }, { 7, 1, 8 },
+	{ 0, 0, 0 },
+};
+
+/* factor clocks */
+static OWL_FACTOR(noc_clk, "noc_clk", "noc_clk_mux", CMU_BUSCLK, 16, 3, noc_factor_table, 0, 0);
+static OWL_FACTOR(de_clk1, "de_clk1", "de_clk", CMU_DECLK, 0, 3, bisp_factor_table, 0, 0);
+static OWL_FACTOR(de_clk2, "de_clk2", "de_clk", CMU_DECLK, 4, 3, bisp_factor_table, 0, 0);
+static OWL_FACTOR(de_clk3, "de_clk3", "de_clk", CMU_DECLK, 8, 3, bisp_factor_table, 0, 0);
+
+/* gate clocks */
+static OWL_GATE(gpio_clk, "gpio_clk", "apb_clk", CMU_DEVCLKEN0, 18, 0, 0);
+static OWL_GATE_NO_PARENT(gpu_clk, "gpu_clk", CMU_DEVCLKEN0, 30, 0, 0);
+static OWL_GATE(dmac_clk, "dmac_clk", "noc_clk_div", CMU_DEVCLKEN0, 1, 0, 0);
+static OWL_GATE(timer_clk, "timer_clk", "hosc", CMU_DEVCLKEN1, 27, 0, 0);
+static OWL_GATE_NO_PARENT(dsi_clk, "dsi_clk", CMU_DEVCLKEN0, 12, 0, 0);
+static OWL_GATE(ddr0_clk, "ddr0_clk", "ddr_pll_clk", CMU_DEVCLKEN0, 31, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(ddr1_clk, "ddr1_clk", "ddr_pll_clk", CMU_DEVCLKEN0, 29, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE_NO_PARENT(usb3_480mpll0_clk, "usb3_480mpll0_clk", CMU_USBPLL, 3, 0, 0);
+static OWL_GATE_NO_PARENT(usb3_480mphy0_clk, "usb3_480mphy0_clk", CMU_USBPLL, 2, 0, 0);
+static OWL_GATE_NO_PARENT(usb3_5gphy_clk, "usb3_5gphy_clk", CMU_USBPLL, 1, 0, 0);
+static OWL_GATE_NO_PARENT(usb3_cce_clk, "usb3_cce_clk", CMU_USBPLL, 0, 0, 0);
+static OWL_GATE(edp24M_clk, "edp24M_clk", "diff24M", CMU_EDPCLK, 8, 0, 0);
+static OWL_GATE(edp_link_clk, "edp_link_clk", "edp_pll_clk", CMU_DEVCLKEN0, 10, 0, 0);
+static OWL_GATE_NO_PARENT(usbh0_pllen_clk, "usbh0_pllen_clk", CMU_USBPLL, 12, 0, 0);
+static OWL_GATE_NO_PARENT(usbh0_phy_clk, "usbh0_phy_clk", CMU_USBPLL, 10, 0, 0);
+static OWL_GATE_NO_PARENT(usbh0_cce_clk, "usbh0_cce_clk", CMU_USBPLL, 8, 0, 0);
+static OWL_GATE_NO_PARENT(usbh1_pllen_clk, "usbh1_pllen_clk", CMU_USBPLL, 13, 0, 0);
+static OWL_GATE_NO_PARENT(usbh1_phy_clk, "usbh1_phy_clk", CMU_USBPLL, 11, 0, 0);
+static OWL_GATE_NO_PARENT(usbh1_cce_clk, "usbh1_cce_clk", CMU_USBPLL, 9, 0, 0);
+static OWL_GATE(spi0_clk, "spi0_clk", "ahb_clk", CMU_DEVCLKEN1, 10, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(spi1_clk, "spi1_clk", "ahb_clk", CMU_DEVCLKEN1, 11, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(spi2_clk, "spi2_clk", "ahb_clk", CMU_DEVCLKEN1, 12, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(spi3_clk, "spi3_clk", "ahb_clk", CMU_DEVCLKEN1, 13, 0, CLK_IGNORE_UNUSED);
+
+/* composite clocks */
+static OWL_COMP_FACTOR(bisp_clk, "bisp_clk", bisp_clk_mux_p,
+			OWL_MUX_HW(CMU_BISPCLK, 4, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
+			OWL_FACTOR_HW(CMU_BISPCLK, 0, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_DIV(csi0_clk, "csi0_clk", csi_clk_mux_p,
+			OWL_MUX_HW(CMU_CSICLK, 4, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 13, 0),
+			OWL_DIVIDER_HW(CMU_CSICLK, 0, 4, 0, NULL),
+			0);
+
+static OWL_COMP_DIV(csi1_clk, "csi1_clk", csi_clk_mux_p,
+			OWL_MUX_HW(CMU_CSICLK, 20, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 15, 0),
+			OWL_DIVIDER_HW(CMU_CSICLK, 16, 4, 0, NULL),
+			0);
+
+static OWL_COMP_PASS(de_clk, "de_clk", de_clk_mux_p,
+			OWL_MUX_HW(CMU_DECLK, 12, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
+			0);
+
+static OWL_COMP_FACTOR(dmm_clk, "dmm_clk", dmm_clk_mux_p,
+			OWL_MUX_HW(CMU_BUSCLK, 10, 2),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 19, 0),
+			OWL_FACTOR_HW(CMU_BUSCLK, 12, 3, 0, dmm_factor_table),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_FACTOR(edp_clk, "edp_clk", edp_clk_mux_p,
+			OWL_MUX_HW(CMU_EDPCLK, 19, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 10, 0),
+			OWL_FACTOR_HW(CMU_EDPCLK, 16, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_DIV_FIXED(eth_mac_clk, "eth_mac_clk", "assist_pll_clk",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 22, 0),
+			OWL_DIVIDER_HW(CMU_ASSISTPLL, 10, 1, 0, eth_mac_div_table),
+			0);
+
+static OWL_COMP_FACTOR(gpu_core_clk, "gpu_core_clk", gpu_clk_mux_p,
+			OWL_MUX_HW(CMU_GPU3DCLK, 4, 2),
+			OWL_GATE_HW(CMU_GPU3DCLK, 15, 0),
+			OWL_FACTOR_HW(CMU_GPU3DCLK, 0, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_FACTOR(gpu_mem_clk, "gpu_mem_clk", gpu_clk_mux_p,
+			OWL_MUX_HW(CMU_GPU3DCLK, 20, 2),
+			OWL_GATE_HW(CMU_GPU3DCLK, 14, 0),
+			OWL_FACTOR_HW(CMU_GPU3DCLK, 16, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_FACTOR(gpu_sys_clk, "gpu_sys_clk", gpu_clk_mux_p,
+			OWL_MUX_HW(CMU_GPU3DCLK, 28, 2),
+			OWL_GATE_HW(CMU_GPU3DCLK, 13, 0),
+			OWL_FACTOR_HW(CMU_GPU3DCLK, 24, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_FACTOR(hde_clk, "hde_clk", hde_clk_mux_p,
+			OWL_MUX_HW(CMU_HDECLK, 4, 2),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 27, 0),
+			OWL_FACTOR_HW(CMU_HDECLK, 0, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_DIV(hdmia_clk, "hdmia_clk", i2s_clk_mux_p,
+			OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
+			OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, hdmia_div_table),
+			0);
+
+static OWL_COMP_FIXED_FACTOR(i2c0_clk, "i2c0_clk", "assist_pll_clk",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
+			1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c1_clk, "i2c1_clk", "assist_pll_clk",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 15, 0),
+			1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c2_clk, "i2c2_clk", "assist_pll_clk",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 30, 0),
+			1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c3_clk, "i2c3_clk", "assist_pll_clk",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
+			1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c4_clk, "i2c4_clk", "assist_pll_clk",
+			OWL_GATE_HW(CMU_DEVCLKEN0, 17, 0),
+			1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c5_clk, "i2c5_clk", "assist_pll_clk",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 1, 0),
+			1, 5, 0);
+
+static OWL_COMP_DIV(i2srx_clk, "i2srx_clk", i2s_clk_mux_p,
+			OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
+			OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, i2s_div_table),
+			0);
+
+static OWL_COMP_DIV(i2stx_clk, "i2stx_clk", i2s_clk_mux_p,
+			OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 20, 0),
+			OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, i2s_div_table),
+			0);
+
+static OWL_COMP_FACTOR(imx_clk, "imx_clk", imx_clk_mux_p,
+			OWL_MUX_HW(CMU_IMXCLK, 4, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 17, 0),
+			OWL_FACTOR_HW(CMU_IMXCLK, 0, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_DIV(lcd_clk, "lcd_clk", lcd_clk_mux_p,
+			OWL_MUX_HW(CMU_LCDCLK, 12, 2),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 9, 0),
+			OWL_DIVIDER_HW(CMU_LCDCLK, 0, 5, 0, NULL),
+			0);
+
+static OWL_COMP_DIV(nand0_clk, "nand0_clk", nand_clk_mux_p,
+			OWL_MUX_HW(CMU_NANDCCLK, 8, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
+			OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 4, 0, nand_div_table),
+			CLK_SET_RATE_PARENT);
+
+static OWL_COMP_DIV(nand1_clk, "nand1_clk", nand_clk_mux_p,
+			OWL_MUX_HW(CMU_NANDCCLK, 24, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
+			OWL_DIVIDER_HW(CMU_NANDCCLK, 16, 4, 0, nand_div_table),
+			CLK_SET_RATE_PARENT);
+
+static OWL_COMP_DIV_FIXED(pwm0_clk, "pwm0_clk", "hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
+			OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 6, 0, NULL),
+			0);
+
+static OWL_COMP_DIV_FIXED(pwm1_clk, "pwm1_clk", "hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 24, 0),
+			OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 6, 0, NULL),
+			0);
+/*
+ * pwm2 may be for backlight, do not gate it
+ * even it is "unused", because it may be
+ * enabled at boot stage, and in kernel, driver
+ * has no effective method to know the real status,
+ * so, the best way is keeping it as what it was.
+ */
+static OWL_COMP_DIV_FIXED(pwm2_clk, "pwm2_clk", "hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 25, 0),
+			OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 6, 0, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV_FIXED(pwm3_clk, "pwm3_clk", "hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
+			OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 6, 0, NULL),
+			0);
+
+static OWL_COMP_DIV_FIXED(pwm4_clk, "pwm4_clk", "hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 4, 0),
+			OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 6, 0, NULL),
+			0);
+
+static OWL_COMP_DIV_FIXED(pwm5_clk, "pwm5_clk", "hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 5, 0),
+			OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 6, 0, NULL),
+			0);
+
+static OWL_COMP_FACTOR(sd0_clk, "sd0_clk", sd_clk_mux_p,
+			OWL_MUX_HW(CMU_SD0CLK, 9, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 5, 0),
+			OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
+			0);
+
+static OWL_COMP_FACTOR(sd1_clk, "sd1_clk", sd_clk_mux_p,
+			OWL_MUX_HW(CMU_SD1CLK, 9, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 6, 0),
+			OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
+			0);
+
+static OWL_COMP_FACTOR(sd2_clk, "sd2_clk", sd_clk_mux_p,
+			OWL_MUX_HW(CMU_SD2CLK, 9, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 7, 0),
+			OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
+			0);
+
+static OWL_COMP_FACTOR(sd3_clk, "sd3_clk", sd_clk_mux_p,
+			OWL_MUX_HW(CMU_SD3CLK, 9, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 16, 0),
+			OWL_FACTOR_HW(CMU_SD3CLK, 0, 9, 0, sd_factor_table),
+			0);
+
+static OWL_COMP_DIV(sensor_clk, "sensor_clk", sensor_clk_mux_p,
+			OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
+			OWL_DIVIDER_HW(CMU_SENSORCLK, 0, 4, 0, NULL),
+			0);
+
+static OWL_COMP_DIV_FIXED(speed_sensor_clk, "speed_sensor_clk",
+			"hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 0, 0),
+			OWL_DIVIDER_HW(CMU_TLSCLK, 0, 4, CLK_DIVIDER_POWER_OF_TWO, NULL),
+			0);
+
+static OWL_COMP_DIV_FIXED(thermal_sensor_clk, "thermal_sensor_clk",
+			"hosc",
+			OWL_GATE_HW(CMU_DEVCLKEN1, 2, 0),
+			OWL_DIVIDER_HW(CMU_TLSCLK, 8, 4, CLK_DIVIDER_POWER_OF_TWO, NULL),
+			0);
+
+static OWL_COMP_DIV(uart0_clk, "uart0_clk", uart_clk_mux_p,
+			OWL_MUX_HW(CMU_UART0CLK, 16, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 6, 0),
+			OWL_DIVIDER_HW(CMU_UART0CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart1_clk, "uart1_clk", uart_clk_mux_p,
+			OWL_MUX_HW(CMU_UART1CLK, 16, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 7, 0),
+			OWL_DIVIDER_HW(CMU_UART1CLK, 1, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart2_clk, "uart2_clk", uart_clk_mux_p,
+			OWL_MUX_HW(CMU_UART2CLK, 16, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
+			OWL_DIVIDER_HW(CMU_UART2CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart3_clk, "uart3_clk", uart_clk_mux_p,
+			OWL_MUX_HW(CMU_UART3CLK, 16, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
+			OWL_DIVIDER_HW(CMU_UART3CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart4_clk, "uart4_clk", uart_clk_mux_p,
+			OWL_MUX_HW(CMU_UART4CLK, 16, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
+			OWL_DIVIDER_HW(CMU_UART4CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart5_clk, "uart5_clk", uart_clk_mux_p,
+			OWL_MUX_HW(CMU_UART5CLK, 16, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
+			OWL_DIVIDER_HW(CMU_UART5CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart6_clk, "uart6_clk", uart_clk_mux_p,
+			OWL_MUX_HW(CMU_UART6CLK, 16, 1),
+			OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
+			OWL_DIVIDER_HW(CMU_UART6CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+			CLK_IGNORE_UNUSED);
+
+static OWL_COMP_FACTOR(vce_clk, "vce_clk", vce_clk_mux_p,
+			OWL_MUX_HW(CMU_VCECLK, 4, 2),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 26, 0),
+			OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, bisp_factor_table),
+			0);
+
+static OWL_COMP_FACTOR(vde_clk, "vde_clk", hde_clk_mux_p,
+			OWL_MUX_HW(CMU_VDECLK, 4, 2),
+			OWL_GATE_HW(CMU_DEVCLKEN0, 25, 0),
+			OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, bisp_factor_table),
+			0);
+
+static struct owl_clk_common *s900_clks[] = {
+	&core_pll_clk.common,
+	&dev_pll_clk.common,
+	&ddr_pll_clk.common,
+	&nand_pll_clk.common,
+	&display_pll_clk.common,
+	&assist_pll_clk.common,
+	&audio_pll_clk.common,
+	&edp_pll_clk.common,
+	&cpu_clk.common,
+	&dev_clk.common,
+	&noc_clk_mux.common,
+	&noc_clk_div.common,
+	&ahb_clk.common,
+	&apb_clk.common,
+	&usb3_mac_clk.common,
+	&rmii_ref_clk.common,
+	&noc_clk.common,
+	&de_clk1.common,
+	&de_clk2.common,
+	&de_clk3.common,
+	&gpio_clk.common,
+	&gpu_clk.common,
+	&dmac_clk.common,
+	&timer_clk.common,
+	&dsi_clk.common,
+	&ddr0_clk.common,
+	&ddr1_clk.common,
+	&usb3_480mpll0_clk.common,
+	&usb3_480mphy0_clk.common,
+	&usb3_5gphy_clk.common,
+	&usb3_cce_clk.common,
+	&edp24M_clk.common,
+	&edp_link_clk.common,
+	&usbh0_pllen_clk.common,
+	&usbh0_phy_clk.common,
+	&usbh0_cce_clk.common,
+	&usbh1_pllen_clk.common,
+	&usbh1_phy_clk.common,
+	&usbh1_cce_clk.common,
+	&i2c0_clk.common,
+	&i2c1_clk.common,
+	&i2c2_clk.common,
+	&i2c3_clk.common,
+	&i2c4_clk.common,
+	&i2c5_clk.common,
+	&spi0_clk.common,
+	&spi1_clk.common,
+	&spi2_clk.common,
+	&spi3_clk.common,
+	&bisp_clk.common,
+	&csi0_clk.common,
+	&csi1_clk.common,
+	&de_clk.common,
+	&dmm_clk.common,
+	&edp_clk.common,
+	&eth_mac_clk.common,
+	&gpu_core_clk.common,
+	&gpu_mem_clk.common,
+	&gpu_sys_clk.common,
+	&hde_clk.common,
+	&hdmia_clk.common,
+	&i2srx_clk.common,
+	&i2stx_clk.common,
+	&imx_clk.common,
+	&lcd_clk.common,
+	&nand0_clk.common,
+	&nand1_clk.common,
+	&pwm0_clk.common,
+	&pwm1_clk.common,
+	&pwm2_clk.common,
+	&pwm3_clk.common,
+	&pwm4_clk.common,
+	&pwm5_clk.common,
+	&sd0_clk.common,
+	&sd1_clk.common,
+	&sd2_clk.common,
+	&sd3_clk.common,
+	&sensor_clk.common,
+	&speed_sensor_clk.common,
+	&thermal_sensor_clk.common,
+	&uart0_clk.common,
+	&uart1_clk.common,
+	&uart2_clk.common,
+	&uart3_clk.common,
+	&uart4_clk.common,
+	&uart5_clk.common,
+	&uart6_clk.common,
+	&vce_clk.common,
+	&vde_clk.common,
+};
+
+static struct clk_hw_onecell_data s900_hw_clks = {
+	.hws	= {
+		[CLK_CORE_PLL]		= &core_pll_clk.common.hw,
+		[CLK_DEV_PLL]		= &dev_pll_clk.common.hw,
+		[CLK_DDR_PLL]		= &ddr_pll_clk.common.hw,
+		[CLK_NAND_PLL]		= &nand_pll_clk.common.hw,
+		[CLK_DISPLAY_PLL]	= &display_pll_clk.common.hw,
+		[CLK_ASSIST_PLL]	= &assist_pll_clk.common.hw,
+		[CLK_AUDIO_PLL]		= &audio_pll_clk.common.hw,
+		[CLK_EDP_PLL]		= &edp_pll_clk.common.hw,
+		[CLK_CPU]		= &cpu_clk.common.hw,
+		[CLK_DEV]		= &dev_clk.common.hw,
+		[CLK_NOC_MUX]		= &noc_clk_mux.common.hw,
+		[CLK_NOC_DIV]		= &noc_clk_div.common.hw,
+		[CLK_AHB]		= &ahb_clk.common.hw,
+		[CLK_APB]		= &apb_clk.common.hw,
+		[CLK_USB3_MAC]		= &usb3_mac_clk.common.hw,
+		[CLK_RMII_REF]		= &rmii_ref_clk.common.hw,
+		[CLK_NOC]		= &noc_clk.common.hw,
+		[CLK_DE1]		= &de_clk1.common.hw,
+		[CLK_DE2]		= &de_clk2.common.hw,
+		[CLK_DE3]		= &de_clk3.common.hw,
+		[CLK_GPIO]		= &gpio_clk.common.hw,
+		[CLK_GPU]		= &gpu_clk.common.hw,
+		[CLK_DMAC]		= &dmac_clk.common.hw,
+		[CLK_TIMER]		= &timer_clk.common.hw,
+		[CLK_DSI]		= &dsi_clk.common.hw,
+		[CLK_DDR0]		= &ddr0_clk.common.hw,
+		[CLK_DDR1]		= &ddr1_clk.common.hw,
+		[CLK_USB3_480MPLL0]	= &usb3_480mpll0_clk.common.hw,
+		[CLK_USB3_480MPHY0]	= &usb3_480mphy0_clk.common.hw,
+		[CLK_USB3_5GPHY]	= &usb3_5gphy_clk.common.hw,
+		[CLK_USB3_CCE]		= &usb3_cce_clk.common.hw,
+		[CLK_24M_EDP]		= &edp24M_clk.common.hw,
+		[CLK_EDP_LINK]		= &edp_link_clk.common.hw,
+		[CLK_USB2H0_PLLEN]	= &usbh0_pllen_clk.common.hw,
+		[CLK_USB2H0_PHY]	= &usbh0_phy_clk.common.hw,
+		[CLK_USB2H0_CCE]	= &usbh0_cce_clk.common.hw,
+		[CLK_USB2H1_PLLEN]	= &usbh1_pllen_clk.common.hw,
+		[CLK_USB2H1_PHY]	= &usbh1_phy_clk.common.hw,
+		[CLK_USB2H1_CCE]	= &usbh1_cce_clk.common.hw,
+		[CLK_I2C0]		= &i2c0_clk.common.hw,
+		[CLK_I2C1]		= &i2c1_clk.common.hw,
+		[CLK_I2C2]		= &i2c2_clk.common.hw,
+		[CLK_I2C3]		= &i2c3_clk.common.hw,
+		[CLK_I2C4]		= &i2c4_clk.common.hw,
+		[CLK_I2C5]		= &i2c5_clk.common.hw,
+		[CLK_SPI0]		= &spi0_clk.common.hw,
+		[CLK_SPI1]		= &spi1_clk.common.hw,
+		[CLK_SPI2]		= &spi2_clk.common.hw,
+		[CLK_SPI3]		= &spi3_clk.common.hw,
+		[CLK_BISP]		= &bisp_clk.common.hw,
+		[CLK_CSI0]		= &csi0_clk.common.hw,
+		[CLK_CSI1]		= &csi1_clk.common.hw,
+		[CLK_DE0]		= &de_clk.common.hw,
+		[CLK_DMM]		= &dmm_clk.common.hw,
+		[CLK_EDP]		= &edp_clk.common.hw,
+		[CLK_ETH_MAC]		= &eth_mac_clk.common.hw,
+		[CLK_GPU_CORE]		= &gpu_core_clk.common.hw,
+		[CLK_GPU_MEM]		= &gpu_mem_clk.common.hw,
+		[CLK_GPU_SYS]		= &gpu_sys_clk.common.hw,
+		[CLK_HDE]		= &hde_clk.common.hw,
+		[CLK_HDMI_AUDIO]	= &hdmia_clk.common.hw,
+		[CLK_I2SRX]		= &i2srx_clk.common.hw,
+		[CLK_I2STX]		= &i2stx_clk.common.hw,
+		[CLK_IMX]		= &imx_clk.common.hw,
+		[CLK_LCD]		= &lcd_clk.common.hw,
+		[CLK_NAND0]		= &nand0_clk.common.hw,
+		[CLK_NAND1]		= &nand1_clk.common.hw,
+		[CLK_PWM0]		= &pwm0_clk.common.hw,
+		[CLK_PWM1]		= &pwm1_clk.common.hw,
+		[CLK_PWM2]		= &pwm2_clk.common.hw,
+		[CLK_PWM3]		= &pwm3_clk.common.hw,
+		[CLK_PWM4]		= &pwm4_clk.common.hw,
+		[CLK_PWM5]		= &pwm5_clk.common.hw,
+		[CLK_SD0]		= &sd0_clk.common.hw,
+		[CLK_SD1]		= &sd1_clk.common.hw,
+		[CLK_SD2]		= &sd2_clk.common.hw,
+		[CLK_SD3]		= &sd3_clk.common.hw,
+		[CLK_SENSOR]		= &sensor_clk.common.hw,
+		[CLK_SPEED_SENSOR]	= &speed_sensor_clk.common.hw,
+		[CLK_THERMAL_SENSOR]	= &thermal_sensor_clk.common.hw,
+		[CLK_UART0]		= &uart0_clk.common.hw,
+		[CLK_UART1]		= &uart1_clk.common.hw,
+		[CLK_UART2]		= &uart2_clk.common.hw,
+		[CLK_UART3]		= &uart3_clk.common.hw,
+		[CLK_UART4]		= &uart4_clk.common.hw,
+		[CLK_UART5]		= &uart5_clk.common.hw,
+		[CLK_UART6]		= &uart6_clk.common.hw,
+		[CLK_VCE]		= &vce_clk.common.hw,
+		[CLK_VDE]		= &vde_clk.common.hw,
+	},
+	.num	= CLK_NR_CLKS,
+};
+
+static const struct owl_clk_desc s900_clk_desc = {
+	.clks	    = s900_clks,
+	.num_clks   = ARRAY_SIZE(s900_clks),
+
+	.hw_clks    = &s900_hw_clks,
+};
+
+static int s900_clk_probe(struct platform_device *pdev)
+{
+	const struct owl_clk_desc *desc;
+
+	desc = &s900_clk_desc;
+	owl_clk_regmap_init(pdev, desc);
+
+	return owl_clk_probe(&pdev->dev, desc->hw_clks);
+}
+
+static const struct of_device_id s900_clk_of_match[] = {
+	{ .compatible = "actions,s900-cmu", },
+	{ /* sentinel */ }
+};
+
+static struct platform_driver s900_clk_driver = {
+	.probe = s900_clk_probe,
+	.driver = {
+		.name = "s900-cmu",
+		.of_match_table = s900_clk_of_match,
+	},
+};
+
+static int __init s900_clk_init(void)
+{
+	return platform_driver_register(&s900_clk_driver);
+}
+core_initcall(s900_clk_init);

include/dt-bindings/clock/actions,s900-cmu.h

@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Device Tree binding constants for Actions Semi S900 Clock Management Unit
+//
+// Copyright (c) 2014 Actions Semi Inc.
+// Copyright (c) 2018 Linaro Ltd.
+
+#ifndef __DT_BINDINGS_CLOCK_S900_CMU_H
+#define __DT_BINDINGS_CLOCK_S900_CMU_H
+
+#define CLK_NONE			0
+
+/* fixed rate clocks */
+#define CLK_LOSC			1
+#define CLK_HOSC			2
+
+/* pll clocks */
+#define CLK_CORE_PLL			3
+#define CLK_DEV_PLL			4
+#define CLK_DDR_PLL			5
+#define CLK_NAND_PLL			6
+#define CLK_DISPLAY_PLL			7
+#define CLK_DSI_PLL			8
+#define CLK_ASSIST_PLL			9
+#define CLK_AUDIO_PLL			10
+
+/* system clock */
+#define CLK_CPU				15
+#define CLK_DEV				16
+#define CLK_NOC				17
+#define CLK_NOC_MUX			18
+#define CLK_NOC_DIV			19
+#define CLK_AHB				20
+#define CLK_APB				21
+#define CLK_DMAC			22
+
+/* peripheral device clock */
+#define CLK_GPIO			23
+
+#define CLK_BISP			24
+#define CLK_CSI0			25
+#define CLK_CSI1			26
+
+#define CLK_DE0				27
+#define CLK_DE1				28
+#define CLK_DE2				29
+#define CLK_DE3				30
+#define CLK_DSI				32
+
+#define CLK_GPU				33
+#define CLK_GPU_CORE			34
+#define CLK_GPU_MEM			35
+#define CLK_GPU_SYS			36
+
+#define CLK_HDE				37
+#define CLK_I2C0			38
+#define CLK_I2C1			39
+#define CLK_I2C2			40
+#define CLK_I2C3			41
+#define CLK_I2C4			42
+#define CLK_I2C5			43
+#define CLK_I2SRX			44
+#define CLK_I2STX			45
+#define CLK_IMX				46
+#define CLK_LCD				47
+#define CLK_NAND0			48
+#define CLK_NAND1			49
+#define CLK_PWM0			50
+#define CLK_PWM1			51
+#define CLK_PWM2			52
+#define CLK_PWM3			53
+#define CLK_PWM4			54
+#define CLK_PWM5			55
+#define CLK_SD0				56
+#define CLK_SD1				57
+#define CLK_SD2				58
+#define CLK_SD3				59
+#define CLK_SENSOR			60
+#define CLK_SPEED_SENSOR		61
+#define CLK_SPI0			62
+#define CLK_SPI1			63
+#define CLK_SPI2			64
+#define CLK_SPI3			65
+#define CLK_THERMAL_SENSOR		66
+#define CLK_UART0			67
+#define CLK_UART1			68
+#define CLK_UART2			69
+#define CLK_UART3			70
+#define CLK_UART4			71
+#define CLK_UART5			72
+#define CLK_UART6			73
+#define CLK_VCE				74
+#define CLK_VDE				75
+
+#define CLK_USB3_480MPLL0		76
+#define CLK_USB3_480MPHY0		77
+#define CLK_USB3_5GPHY			78
+#define CLK_USB3_CCE			79
+#define CLK_USB3_MAC			80
+
+#define CLK_TIMER			83
+
+#define CLK_HDMI_AUDIO			84
+
+#define CLK_24M				85
+
+#define CLK_EDP				86
+
+#define CLK_24M_EDP			87
+#define CLK_EDP_PLL			88
+#define CLK_EDP_LINK			89
+
+#define CLK_USB2H0_PLLEN		90
+#define CLK_USB2H0_PHY			91
+#define CLK_USB2H0_CCE			92
+#define CLK_USB2H1_PLLEN		93
+#define CLK_USB2H1_PHY			94
+#define CLK_USB2H1_CCE			95
+
+#define CLK_DDR0			96
+#define CLK_DDR1			97
+#define CLK_DMM				98
+
+#define CLK_ETH_MAC			99
+#define CLK_RMII_REF			100
+
+#define CLK_NR_CLKS			(CLK_RMII_REF + 1)
+
+#endif /* __DT_BINDINGS_CLOCK_S900_CMU_H */