clk: sophgo: Add clock support for CV1800 SoC

Add clock definition and driver code for CV1800 SoC.
Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Link: https://github.com/milkv-duo/duo-files/blob/6f4e9b8ecb459e017cca1a8df248a19ca70837a3/duo/datasheet/CV180X-Clock-v1.xlsx
Link: https://github.com/milkv-duo/duo-files/blob/6f4e9b8ecb459e017cca1a8df248a19ca70837a3/duo/datasheet/CV1800B-CV1801B-Preliminary-Datasheet-full-en.pdf
Link: https://lore.kernel.org/r/IA1PR20MB49534F37F802CAF117364D66BB262@IA1PR20MB4953.namprd20.prod.outlook.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/Kconfig

@@ -489,6 +489,7 @@ source "drivers/clk/rockchip/Kconfig"
 source "drivers/clk/samsung/Kconfig"
 source "drivers/clk/sifive/Kconfig"
 source "drivers/clk/socfpga/Kconfig"
+source "drivers/clk/sophgo/Kconfig"
 source "drivers/clk/sprd/Kconfig"
 source "drivers/clk/starfive/Kconfig"
 source "drivers/clk/sunxi/Kconfig"

drivers/clk/Makefile

@@ -118,6 +118,7 @@ obj-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip/
 obj-$(CONFIG_COMMON_CLK_SAMSUNG)	+= samsung/
 obj-$(CONFIG_CLK_SIFIVE)		+= sifive/
 obj-y					+= socfpga/
+obj-y					+= sophgo/
 obj-$(CONFIG_PLAT_SPEAR)		+= spear/
 obj-y					+= sprd/
 obj-$(CONFIG_ARCH_STI)			+= st/

drivers/clk/sophgo/Kconfig

+# SPDX-License-Identifier: GPL-2.0
+# common clock support for SOPHGO SoC family.
+
+config CLK_SOPHGO_CV1800
+	tristate "Support for the Sophgo CV1800 series SoCs clock controller"
+	depends on ARCH_SOPHGO || COMPILE_TEST
+	help
+	  This driver supports clock controller of Sophgo CV18XX series SoC.
+	  The driver require a 25MHz Oscillator to function generate clock.
+	  It includes PLLs, common clock function and some vendor clock for
+	  IPs of CV18XX series SoC

drivers/clk/sophgo/Makefile

+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CLK_SOPHGO_CV1800)	+= clk-sophgo-cv1800.o
+
+clk-sophgo-cv1800-y		+= clk-cv1800.o
+clk-sophgo-cv1800-y		+= clk-cv18xx-common.o
+clk-sophgo-cv1800-y		+= clk-cv18xx-ip.o
+clk-sophgo-cv1800-y		+= clk-cv18xx-pll.o

drivers/clk/sophgo/clk-cv1800.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV1800_H_
+#define _CLK_SOPHGO_CV1800_H_
+
+#include <dt-bindings/clock/sophgo,cv1800.h>
+
+#define CV1800_CLK_MAX			(CLK_XTAL_AP + 1)
+
+#define REG_PLL_G2_CTRL			0x800
+#define REG_PLL_G2_STATUS		0x804
+#define REG_MIPIMPLL_CSR		0x808
+#define REG_A0PLL_CSR			0x80C
+#define REG_DISPPLL_CSR			0x810
+#define REG_CAM0PLL_CSR			0x814
+#define REG_CAM1PLL_CSR			0x818
+#define REG_PLL_G2_SSC_SYN_CTRL		0x840
+#define REG_A0PLL_SSC_SYN_CTRL		0x850
+#define REG_A0PLL_SSC_SYN_SET		0x854
+#define REG_A0PLL_SSC_SYN_SPAN		0x858
+#define REG_A0PLL_SSC_SYN_STEP		0x85C
+#define REG_DISPPLL_SSC_SYN_CTRL	0x860
+#define REG_DISPPLL_SSC_SYN_SET		0x864
+#define REG_DISPPLL_SSC_SYN_SPAN	0x868
+#define REG_DISPPLL_SSC_SYN_STEP	0x86C
+#define REG_CAM0PLL_SSC_SYN_CTRL	0x870
+#define REG_CAM0PLL_SSC_SYN_SET		0x874
+#define REG_CAM0PLL_SSC_SYN_SPAN	0x878
+#define REG_CAM0PLL_SSC_SYN_STEP	0x87C
+#define REG_CAM1PLL_SSC_SYN_CTRL	0x880
+#define REG_CAM1PLL_SSC_SYN_SET		0x884
+#define REG_CAM1PLL_SSC_SYN_SPAN	0x888
+#define REG_CAM1PLL_SSC_SYN_STEP	0x88C
+#define REG_APLL_FRAC_DIV_CTRL		0x890
+#define REG_APLL_FRAC_DIV_M		0x894
+#define REG_APLL_FRAC_DIV_N		0x898
+#define REG_MIPIMPLL_CLK_CSR		0x8A0
+#define REG_A0PLL_CLK_CSR		0x8A4
+#define REG_DISPPLL_CLK_CSR		0x8A8
+#define REG_CAM0PLL_CLK_CSR		0x8AC
+#define REG_CAM1PLL_CLK_CSR		0x8B0
+#define REG_CLK_CAM0_SRC_DIV		0x8C0
+#define REG_CLK_CAM1_SRC_DIV		0x8C4
+
+/* top_pll_g6 */
+#define REG_PLL_G6_CTRL			0x900
+#define REG_PLL_G6_STATUS		0x904
+#define REG_MPLL_CSR			0x908
+#define REG_TPLL_CSR			0x90C
+#define REG_FPLL_CSR			0x910
+#define REG_PLL_G6_SSC_SYN_CTRL		0x940
+#define REG_DPLL_SSC_SYN_CTRL		0x950
+#define REG_DPLL_SSC_SYN_SET		0x954
+#define REG_DPLL_SSC_SYN_SPAN		0x958
+#define REG_DPLL_SSC_SYN_STEP		0x95C
+#define REG_MPLL_SSC_SYN_CTRL		0x960
+#define REG_MPLL_SSC_SYN_SET		0x964
+#define REG_MPLL_SSC_SYN_SPAN		0x968
+#define REG_MPLL_SSC_SYN_STEP		0x96C
+#define REG_TPLL_SSC_SYN_CTRL		0x970
+#define REG_TPLL_SSC_SYN_SET		0x974
+#define REG_TPLL_SSC_SYN_SPAN		0x978
+#define REG_TPLL_SSC_SYN_STEP		0x97C
+
+/* clkgen */
+#define REG_CLK_EN_0			0x000
+#define REG_CLK_EN_1			0x004
+#define REG_CLK_EN_2			0x008
+#define REG_CLK_EN_3			0x00C
+#define REG_CLK_EN_4			0x010
+#define REG_CLK_SEL_0			0x020
+#define REG_CLK_BYP_0			0x030
+#define REG_CLK_BYP_1			0x034
+
+#define REG_DIV_CLK_A53_0		0x040
+#define REG_DIV_CLK_A53_1		0x044
+#define REG_DIV_CLK_CPU_AXI0		0x048
+#define REG_DIV_CLK_CPU_GIC		0x050
+#define REG_DIV_CLK_TPU			0x054
+#define REG_DIV_CLK_EMMC		0x064
+#define REG_DIV_CLK_EMMC_100K		0x06C
+#define REG_DIV_CLK_SD0			0x070
+#define REG_DIV_CLK_SD0_100K		0x078
+#define REG_DIV_CLK_SD1			0x07C
+#define REG_DIV_CLK_SD1_100K		0x084
+#define REG_DIV_CLK_SPI_NAND		0x088
+#define REG_DIV_CLK_ETH0_500M		0x08C
+#define REG_DIV_CLK_ETH1_500M		0x090
+#define REG_DIV_CLK_GPIO_DB		0x094
+#define REG_DIV_CLK_SDMA_AUD0		0x098
+#define REG_DIV_CLK_SDMA_AUD1		0x09C
+#define REG_DIV_CLK_SDMA_AUD2		0x0A0
+#define REG_DIV_CLK_SDMA_AUD3		0x0A4
+#define REG_DIV_CLK_CAM0_200		0x0A8
+#define REG_DIV_CLK_AXI4		0x0B8
+#define REG_DIV_CLK_AXI6		0x0BC
+#define REG_DIV_CLK_DSI_ESC		0x0C4
+#define REG_DIV_CLK_AXI_VIP		0x0C8
+#define REG_DIV_CLK_SRC_VIP_SYS_0	0x0D0
+#define REG_DIV_CLK_SRC_VIP_SYS_1	0x0D8
+#define REG_DIV_CLK_DISP_SRC_VIP	0x0E0
+#define REG_DIV_CLK_AXI_VIDEO_CODEC	0x0E4
+#define REG_DIV_CLK_VC_SRC0		0x0EC
+#define REG_DIV_CLK_1M			0x0FC
+#define REG_DIV_CLK_SPI			0x100
+#define REG_DIV_CLK_I2C			0x104
+#define REG_DIV_CLK_SRC_VIP_SYS_2	0x110
+#define REG_DIV_CLK_AUDSRC		0x118
+#define REG_DIV_CLK_PWM_SRC_0		0x120
+#define REG_DIV_CLK_AP_DEBUG		0x128
+#define REG_DIV_CLK_RTCSYS_SRC_0	0x12C
+#define REG_DIV_CLK_C906_0_0		0x130
+#define REG_DIV_CLK_C906_0_1		0x134
+#define REG_DIV_CLK_C906_1_0		0x138
+#define REG_DIV_CLK_C906_1_1		0x13C
+#define REG_DIV_CLK_SRC_VIP_SYS_3	0x140
+#define REG_DIV_CLK_SRC_VIP_SYS_4	0x144
+
+#endif /* _CLK_SOPHGO_CV1800_H_ */

drivers/clk/sophgo/clk-cv18xx-common.c

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/spinlock.h>
+#include <linux/bug.h>
+
+#include "clk-cv18xx-common.h"
+
+int cv1800_clk_setbit(struct cv1800_clk_common *common,
+		      struct cv1800_clk_regbit *field)
+{
+	u32 mask = BIT(field->shift);
+	u32 value;
+	unsigned long flags;
+
+	spin_lock_irqsave(common->lock, flags);
+
+	value = readl(common->base + field->reg);
+	writel(value | mask, common->base + field->reg);
+
+	spin_unlock_irqrestore(common->lock, flags);
+
+	return 0;
+}
+
+int cv1800_clk_clearbit(struct cv1800_clk_common *common,
+			struct cv1800_clk_regbit *field)
+{
+	u32 mask = BIT(field->shift);
+	u32 value;
+	unsigned long flags;
+
+	spin_lock_irqsave(common->lock, flags);
+
+	value = readl(common->base + field->reg);
+	writel(value & ~mask, common->base + field->reg);
+
+	spin_unlock_irqrestore(common->lock, flags);
+
+	return 0;
+}
+
+int cv1800_clk_checkbit(struct cv1800_clk_common *common,
+			struct cv1800_clk_regbit *field)
+{
+	return readl(common->base + field->reg) & BIT(field->shift);
+}
+
+#define PLL_LOCK_TIMEOUT_US	(200 * 1000)
+
+void cv1800_clk_wait_for_lock(struct cv1800_clk_common *common,
+			      u32 reg, u32 lock)
+{
+	void __iomem *addr = common->base + reg;
+	u32 regval;
+
+	if (!lock)
+		return;
+
+	WARN_ON(readl_relaxed_poll_timeout(addr, regval, regval & lock,
+					   100, PLL_LOCK_TIMEOUT_US));
+}

drivers/clk/sophgo/clk-cv18xx-common.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV18XX_IP_H_
+#define _CLK_SOPHGO_CV18XX_IP_H_
+
+#include <linux/compiler.h>
+#include <linux/clk-provider.h>
+#include <linux/bitfield.h>
+
+struct cv1800_clk_common {
+	void __iomem	*base;
+	spinlock_t	*lock;
+	struct clk_hw	hw;
+	unsigned long	features;
+};
+
+#define CV1800_CLK_COMMON(_name, _parents, _op, _flags)			\
+	{								\
+		.hw.init = CLK_HW_INIT_PARENTS_DATA(_name, _parents,	\
+						    _op, _flags),	\
+	}
+
+static inline struct cv1800_clk_common *
+hw_to_cv1800_clk_common(struct clk_hw *hw)
+{
+	return container_of(hw, struct cv1800_clk_common, hw);
+}
+
+struct cv1800_clk_regbit {
+	u16		reg;
+	s8		shift;
+};
+
+struct cv1800_clk_regfield {
+	u16		reg;
+	u8		shift;
+	u8		width;
+	s16		initval;
+	unsigned long	flags;
+};
+
+#define CV1800_CLK_BIT(_reg, _shift)	\
+	{				\
+		.reg = _reg,		\
+		.shift = _shift,	\
+	}
+
+#define CV1800_CLK_REG(_reg, _shift, _width, _initval, _flags)	\
+	{							\
+		.reg = _reg,					\
+		.shift = _shift,				\
+		.width = _width,				\
+		.initval = _initval,				\
+		.flags = _flags,				\
+	}
+
+#define cv1800_clk_regfield_genmask(_reg) \
+	GENMASK((_reg)->shift + (_reg)->width - 1, (_reg)->shift)
+#define cv1800_clk_regfield_get(_val, _reg) \
+	(((_val) >> (_reg)->shift) & GENMASK((_reg)->width - 1, 0))
+#define cv1800_clk_regfield_set(_val, _new, _reg)    \
+	(((_val) & ~cv1800_clk_regfield_genmask((_reg))) | \
+	 (((_new) & GENMASK((_reg)->width - 1, 0)) << (_reg)->shift))
+
+#define _CV1800_SET_FIELD(_reg, _val, _field) \
+	(((_reg) & ~(_field)) | FIELD_PREP((_field), (_val)))
+
+int cv1800_clk_setbit(struct cv1800_clk_common *common,
+		      struct cv1800_clk_regbit *field);
+int cv1800_clk_clearbit(struct cv1800_clk_common *common,
+			struct cv1800_clk_regbit *field);
+int cv1800_clk_checkbit(struct cv1800_clk_common *common,
+			struct cv1800_clk_regbit *field);
+
+void cv1800_clk_wait_for_lock(struct cv1800_clk_common *common,
+			      u32 reg, u32 lock);
+
+#endif // _CLK_SOPHGO_CV18XX_IP_H_

drivers/clk/sophgo/clk-cv18xx-ip.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV1800_IP_H_
+#define _CLK_SOPHGO_CV1800_IP_H_
+
+#include "clk-cv18xx-common.h"
+
+struct cv1800_clk_gate {
+	struct cv1800_clk_common	common;
+	struct cv1800_clk_regbit	gate;
+};
+
+struct cv1800_clk_div_data {
+	u32		reg;
+	u32		mask;
+	u32		width;
+	u32		init;
+	u32		flags;
+};
+
+struct cv1800_clk_div {
+	struct cv1800_clk_common	common;
+	struct cv1800_clk_regbit	gate;
+	struct cv1800_clk_regfield	div;
+};
+
+struct cv1800_clk_bypass_div {
+	struct cv1800_clk_div		div;
+	struct cv1800_clk_regbit	bypass;
+};
+
+struct cv1800_clk_mux {
+	struct cv1800_clk_common	common;
+	struct cv1800_clk_regbit	gate;
+	struct cv1800_clk_regfield	div;
+	struct cv1800_clk_regfield	mux;
+};
+
+struct cv1800_clk_bypass_mux {
+	struct cv1800_clk_mux		mux;
+	struct cv1800_clk_regbit	bypass;
+};
+
+struct cv1800_clk_mmux {
+	struct cv1800_clk_common	common;
+	struct cv1800_clk_regbit	gate;
+	struct cv1800_clk_regfield	div[2];
+	struct cv1800_clk_regfield	mux[2];
+	struct cv1800_clk_regbit	bypass;
+	struct cv1800_clk_regbit	clk_sel;
+	const s8			*parent2sel;
+	const u8			*sel2parent[2];
+};
+
+struct cv1800_clk_audio {
+	struct cv1800_clk_common	common;
+	struct cv1800_clk_regbit	src_en;
+	struct cv1800_clk_regbit	output_en;
+	struct cv1800_clk_regbit	div_en;
+	struct cv1800_clk_regbit	div_up;
+	struct cv1800_clk_regfield	m;
+	struct cv1800_clk_regfield	n;
+	u32				target_rate;
+};
+
+#define CV1800_GATE(_name, _parent, _gate_reg, _gate_shift, _flags)	\
+	struct cv1800_clk_gate _name = {				\
+		.common	= CV1800_CLK_COMMON(#_name, _parent,		\
+					    &cv1800_clk_gate_ops,	\
+					    _flags),			\
+		.gate	= CV1800_CLK_BIT(_gate_reg, _gate_shift),	\
+	}
+
+#define _CV1800_DIV(_name, _parent, _gate_reg, _gate_shift,		\
+		    _div_reg, _div_shift, _div_width, _div_init,	\
+		    _div_flag, _ops, _flags)				\
+	{								\
+		.common		= CV1800_CLK_COMMON(#_name, _parent,	\
+						    _ops, _flags),	\
+		.gate		= CV1800_CLK_BIT(_gate_reg,		\
+						 _gate_shift),		\
+		.div		= CV1800_CLK_REG(_div_reg, _div_shift,	\
+						 _div_width, _div_init,	\
+						 _div_flag),		\
+	}
+
+#define _CV1800_FIXED_DIV_FLAG	\
+	(CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ROUND_CLOSEST)
+
+#define _CV1800_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift,	\
+			  _fix_div, _ops, _flags)			\
+	{								\
+		.common		= CV1800_CLK_COMMON(#_name, _parent,	\
+						    _ops, _flags),	\
+		.gate		= CV1800_CLK_BIT(_gate_reg,		\
+						 _gate_shift),		\
+		.div		= CV1800_CLK_REG(0, 0, 0,		\
+						 _fix_div,		\
+						 _CV1800_FIXED_DIV_FLAG),\
+	}
+
+#define CV1800_DIV(_name, _parent, _gate_reg, _gate_shift,		\
+		   _div_reg, _div_shift, _div_width, _div_init,		\
+		   _div_flag, _flags)					\
+	struct cv1800_clk_div _name =					\
+		_CV1800_DIV(_name, _parent, _gate_reg, _gate_shift,	\
+			    _div_reg, _div_shift, _div_width, _div_init,\
+			    _div_flag, &cv1800_clk_div_ops, _flags)
+
+#define CV1800_BYPASS_DIV(_name, _parent, _gate_reg, _gate_shift,	\
+			  _div_reg, _div_shift, _div_width, _div_init,	\
+			  _div_flag, _bypass_reg, _bypass_shift, _flags)\
+	struct cv1800_clk_bypass_div _name = {				\
+		.div	= _CV1800_DIV(_name, _parent,			\
+				      _gate_reg, _gate_shift,		\
+				      _div_reg, _div_shift,		\
+				      _div_width, _div_init, _div_flag,	\
+				      &cv1800_clk_bypass_div_ops,	\
+				      _flags),				\
+		.bypass	= CV1800_CLK_BIT(_bypass_reg, _bypass_shift),	\
+	}
+
+#define CV1800_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift,	\
+			 _fix_div, _flags)				\
+	struct cv1800_clk_div _name =					\
+		_CV1800_FIXED_DIV(_name, _parent,			\
+				  _gate_reg, _gate_shift,		\
+				  _fix_div,				\
+				  &cv1800_clk_div_ops, _flags)		\
+
+#define CV1800_BYPASS_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift,	\
+				_fix_div, _bypass_reg, _bypass_shift,	\
+				_flags)					\
+	struct cv1800_clk_bypass_div _name = {				\
+		.div	= _CV1800_FIXED_DIV(_name, _parent,		\
+					    _gate_reg, _gate_shift,	\
+					    _fix_div,			\
+					    &cv1800_clk_bypass_div_ops,	\
+					    _flags),			\
+		.bypass	= CV1800_CLK_BIT(_bypass_reg, _bypass_shift),	\
+	}
+
+#define _CV1800_MUX(_name, _parent, _gate_reg, _gate_shift,		\
+		    _div_reg, _div_shift, _div_width, _div_init,	\
+		    _div_flag,						\
+		    _mux_reg, _mux_shift, _mux_width,			\
+		    _ops, _flags)					\
+	{								\
+		.common		= CV1800_CLK_COMMON(#_name, _parent,	\
+						    _ops, _flags),	\
+		.gate		= CV1800_CLK_BIT(_gate_reg,		\
+						 _gate_shift),		\
+		.div		= CV1800_CLK_REG(_div_reg, _div_shift,	\
+						 _div_width, _div_init,	\
+						 _div_flag),		\
+		.mux		= CV1800_CLK_REG(_mux_reg, _mux_shift,	\
+						 _mux_width, 0, 0),	\
+	}
+
+#define CV1800_MUX(_name, _parent, _gate_reg, _gate_shift,		\
+		   _div_reg, _div_shift, _div_width, _div_init,		\
+		   _div_flag,						\
+		   _mux_reg, _mux_shift, _mux_width, _flags)		\
+	struct cv1800_clk_mux _name =					\
+		_CV1800_MUX(_name, _parent, _gate_reg, _gate_shift,	\
+			    _div_reg, _div_shift, _div_width, _div_init,\
+			    _div_flag, _mux_reg, _mux_shift, _mux_width,\
+			    &cv1800_clk_mux_ops, _flags)
+
+#define CV1800_BYPASS_MUX(_name, _parent, _gate_reg, _gate_shift,	\
+			  _div_reg, _div_shift, _div_width, _div_init,	\
+			  _div_flag,					\
+			  _mux_reg, _mux_shift, _mux_width,		\
+			  _bypass_reg, _bypass_shift, _flags)		\
+	struct cv1800_clk_bypass_mux _name = {				\
+		.mux	= _CV1800_MUX(_name, _parent,			\
+				      _gate_reg, _gate_shift,		\
+				      _div_reg, _div_shift, _div_width,	\
+				      _div_init, _div_flag,		\
+				      _mux_reg, _mux_shift, _mux_width,	\
+				      &cv1800_clk_bypass_mux_ops,	\
+				      _flags),				\
+		.bypass	= CV1800_CLK_BIT(_bypass_reg, _bypass_shift),	\
+	}
+
+#define CV1800_MMUX(_name, _parent, _gate_reg, _gate_shift,		\
+		    _div0_reg, _div0_shift, _div0_width, _div0_init,	\
+		    _div0_flag,						\
+		    _div1_reg, _div1_shift, _div1_width, _div1_init,	\
+		    _div1_flag,						\
+		    _mux0_reg, _mux0_shift, _mux0_width,		\
+		    _mux1_reg, _mux1_shift, _mux1_width,		\
+		    _bypass_reg, _bypass_shift,				\
+		    _clk_sel_reg, _clk_sel_shift,			\
+		    _parent2sel, _sel2parent0, _sel2parent1, _flags)	\
+	struct cv1800_clk_mmux _name = {				\
+		.common		= CV1800_CLK_COMMON(#_name, _parent,	\
+						    &cv1800_clk_mmux_ops,\
+						    _flags),		\
+		.gate		= CV1800_CLK_BIT(_gate_reg, _gate_shift),\
+		.div		= {					\
+			CV1800_CLK_REG(_div0_reg, _div0_shift,		\
+				       _div0_width, _div0_init,		\
+				       _div0_flag),			\
+			CV1800_CLK_REG(_div1_reg, _div1_shift,		\
+				       _div1_width, _div1_init,		\
+				       _div1_flag),			\
+		},							\
+		.mux		= {					\
+			CV1800_CLK_REG(_mux0_reg, _mux0_shift,		\
+				       _mux0_width, 0, 0),		\
+			CV1800_CLK_REG(_mux1_reg, _mux1_shift,		\
+				       _mux1_width, 0, 0),		\
+		},							\
+		.bypass		= CV1800_CLK_BIT(_bypass_reg,		\
+						 _bypass_shift),	\
+		.clk_sel	= CV1800_CLK_BIT(_clk_sel_reg,		\
+						 _clk_sel_shift),	\
+		.parent2sel	= _parent2sel,				\
+		.sel2parent	= { _sel2parent0, _sel2parent1 },	\
+	}
+
+#define CV1800_ACLK(_name, _parent,					\
+		    _src_en_reg, _src_en_reg_shift,			\
+		    _output_en_reg, _output_en_shift,			\
+		    _div_en_reg, _div_en_reg_shift,			\
+		    _div_up_reg, _div_up_reg_shift,			\
+		    _m_reg, _m_shift, _m_width, _m_flag,		\
+		    _n_reg, _n_shift, _n_width, _n_flag,		\
+		    _target_rate, _flags)				\
+	struct cv1800_clk_audio _name = {				\
+		.common		= CV1800_CLK_COMMON(#_name, _parent,	\
+						    &cv1800_clk_audio_ops,\
+						    _flags),		\
+		.src_en		= CV1800_CLK_BIT(_src_en_reg,		\
+						 _src_en_reg_shift),	\
+		.output_en	= CV1800_CLK_BIT(_output_en_reg,	\
+						 _output_en_shift),	\
+		.div_en		= CV1800_CLK_BIT(_div_en_reg,		\
+						 _div_en_reg_shift),	\
+		.div_up		= CV1800_CLK_BIT(_div_up_reg,		\
+						 _div_up_reg_shift),	\
+		.m		= CV1800_CLK_REG(_m_reg, _m_shift,	\
+						 _m_width, 0, _m_flag),	\
+		.n		= CV1800_CLK_REG(_n_reg, _n_shift,	\
+						 _n_width, 0, _n_flag),	\
+		.target_rate	= _target_rate,				\
+	}
+
+extern const struct clk_ops cv1800_clk_gate_ops;
+extern const struct clk_ops cv1800_clk_div_ops;
+extern const struct clk_ops cv1800_clk_bypass_div_ops;
+extern const struct clk_ops cv1800_clk_mux_ops;
+extern const struct clk_ops cv1800_clk_bypass_mux_ops;
+extern const struct clk_ops cv1800_clk_mmux_ops;
+extern const struct clk_ops cv1800_clk_audio_ops;
+
+#endif // _CLK_SOPHGO_CV1800_IP_H_

drivers/clk/sophgo/clk-cv18xx-pll.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV1800_PLL_H_
+#define _CLK_SOPHGO_CV1800_PLL_H_
+
+#include "clk-cv18xx-common.h"
+
+struct cv1800_clk_pll_limit {
+	struct {
+		u8 min;
+		u8 max;
+	} pre_div, div, post_div, ictrl, mode;
+};
+
+#define _CV1800_PLL_LIMIT(_min, _max)	\
+	{				\
+		.min = _min,		\
+		.max = _max,		\
+	}				\
+
+#define for_each_pll_limit_range(_var, _restrict) \
+	for (_var = (_restrict)->min; _var <= (_restrict)->max; _var++)
+
+struct cv1800_clk_pll_synthesizer {
+	struct cv1800_clk_regbit	en;
+	struct cv1800_clk_regbit	clk_half;
+	u32				ctrl;
+	u32				set;
+};
+
+#define _PLL_PRE_DIV_SEL_FIELD		GENMASK(6, 0)
+#define _PLL_POST_DIV_SEL_FIELD		GENMASK(14, 8)
+#define _PLL_SEL_MODE_FIELD		GENMASK(16, 15)
+#define _PLL_DIV_SEL_FIELD		GENMASK(23, 17)
+#define _PLL_ICTRL_FIELD		GENMASK(26, 24)
+
+#define _PLL_ALL_FIELD_MASK \
+	(_PLL_PRE_DIV_SEL_FIELD | \
+	 _PLL_POST_DIV_SEL_FIELD | \
+	 _PLL_SEL_MODE_FIELD | \
+	 _PLL_DIV_SEL_FIELD | \
+	 _PLL_ICTRL_FIELD)
+
+#define PLL_COPY_REG(_dest, _src) \
+	(((_dest) & (~_PLL_ALL_FIELD_MASK)) | ((_src) & _PLL_ALL_FIELD_MASK))
+
+#define PLL_GET_PRE_DIV_SEL(_reg) \
+	FIELD_GET(_PLL_PRE_DIV_SEL_FIELD, (_reg))
+#define PLL_GET_POST_DIV_SEL(_reg) \
+	FIELD_GET(_PLL_POST_DIV_SEL_FIELD, (_reg))
+#define PLL_GET_SEL_MODE(_reg) \
+	FIELD_GET(_PLL_SEL_MODE_FIELD, (_reg))
+#define PLL_GET_DIV_SEL(_reg) \
+	FIELD_GET(_PLL_DIV_SEL_FIELD, (_reg))
+#define PLL_GET_ICTRL(_reg) \
+	FIELD_GET(_PLL_ICTRL_FIELD, (_reg))
+
+#define PLL_SET_PRE_DIV_SEL(_reg, _val) \
+	_CV1800_SET_FIELD((_reg), (_val), _PLL_PRE_DIV_SEL_FIELD)
+#define PLL_SET_POST_DIV_SEL(_reg, _val) \
+	_CV1800_SET_FIELD((_reg), (_val), _PLL_POST_DIV_SEL_FIELD)
+#define PLL_SET_SEL_MODE(_reg, _val) \
+	_CV1800_SET_FIELD((_reg), (_val), _PLL_SEL_MODE_FIELD)
+#define PLL_SET_DIV_SEL(_reg, _val) \
+	_CV1800_SET_FIELD((_reg), (_val), _PLL_DIV_SEL_FIELD)
+#define PLL_SET_ICTRL(_reg, _val) \
+	_CV1800_SET_FIELD((_reg), (_val), _PLL_ICTRL_FIELD)
+
+struct cv1800_clk_pll {
+	struct cv1800_clk_common		common;
+	u32					pll_reg;
+	struct cv1800_clk_regbit		pll_pwd;
+	struct cv1800_clk_regbit		pll_status;
+	const struct cv1800_clk_pll_limit	*pll_limit;
+	struct cv1800_clk_pll_synthesizer	*pll_syn;
+};
+
+#define CV1800_INTEGRAL_PLL(_name, _parent, _pll_reg,			\
+			     _pll_pwd_reg, _pll_pwd_shift,		\
+			     _pll_status_reg, _pll_status_shift,	\
+			     _pll_limit, _flags)			\
+	struct cv1800_clk_pll _name = {					\
+		.common		= CV1800_CLK_COMMON(#_name, _parent,	\
+						    &cv1800_clk_ipll_ops,\
+						    _flags),		\
+		.pll_reg	= _pll_reg,				\
+		.pll_pwd	= CV1800_CLK_BIT(_pll_pwd_reg,		\
+					       _pll_pwd_shift),		\
+		.pll_status	= CV1800_CLK_BIT(_pll_status_reg,	\
+					       _pll_status_shift),	\
+		.pll_limit	= _pll_limit,				\
+		.pll_syn	= NULL,					\
+	}
+
+#define CV1800_FACTIONAL_PLL(_name, _parent, _pll_reg,			\
+			     _pll_pwd_reg, _pll_pwd_shift,		\
+			     _pll_status_reg, _pll_status_shift,	\
+			     _pll_limit, _pll_syn, _flags)		\
+	struct cv1800_clk_pll _name = {					\
+		.common		= CV1800_CLK_COMMON(#_name, _parent,	\
+						    &cv1800_clk_fpll_ops,\
+						    _flags),		\
+		.pll_reg	= _pll_reg,				\
+		.pll_pwd	= CV1800_CLK_BIT(_pll_pwd_reg,		\
+					       _pll_pwd_shift),		\
+		.pll_status	= CV1800_CLK_BIT(_pll_status_reg,	\
+					       _pll_status_shift),	\
+		.pll_limit	= _pll_limit,				\
+		.pll_syn	= _pll_syn,				\
+	}
+
+extern const struct clk_ops cv1800_clk_ipll_ops;
+extern const struct clk_ops cv1800_clk_fpll_ops;
+
+#endif // _CLK_SOPHGO_CV1800_PLL_H_