Adding upstream version 6.1.76.upstream/6.1.76upstream

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

1 files changed, 463 insertions, 0 deletions

diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
new file mode 100644
index 000000000..fb5913139
--- /dev/null
+++ b/drivers/clk/imx/clk.h
@@ -0,0 +1,463 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __MACH_IMX_CLK_H
+#define __MACH_IMX_CLK_H
+
+#include <linux/bits.h>
+#include <linux/spinlock.h>
+#include <linux/clk-provider.h>
+
+extern spinlock_t imx_ccm_lock;
+extern bool mcore_booted;
+
+void imx_check_clocks(struct clk *clks[], unsigned int count);
+void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
+#ifndef MODULE
+void imx_register_uart_clocks(unsigned int clk_count);
+#else
+static inline void imx_register_uart_clocks(unsigned int clk_count)
+{
+}
+#endif
+void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
+void imx_unregister_clocks(struct clk *clks[], unsigned int count);
+void imx_unregister_hw_clocks(struct clk_hw *hws[], unsigned int count);
+
+extern void imx_cscmr1_fixup(u32 *val);
+
+enum imx_pllv1_type {
+	IMX_PLLV1_IMX1,
+	IMX_PLLV1_IMX21,
+	IMX_PLLV1_IMX25,
+	IMX_PLLV1_IMX27,
+	IMX_PLLV1_IMX31,
+	IMX_PLLV1_IMX35,
+};
+
+enum imx_sscg_pll_type {
+	SCCG_PLL1,
+	SCCG_PLL2,
+};
+
+enum imx_pll14xx_type {
+	PLL_1416X,
+	PLL_1443X,
+};
+
+enum imx_pllv4_type {
+	IMX_PLLV4_IMX7ULP,
+	IMX_PLLV4_IMX8ULP,
+	IMX_PLLV4_IMX8ULP_1GHZ,
+};
+
+enum imx_pfdv2_type {
+	IMX_PFDV2_IMX7ULP,
+	IMX_PFDV2_IMX8ULP,
+};
+
+/* NOTE: Rate table should be kept sorted in descending order. */
+struct imx_pll14xx_rate_table {
+	unsigned int rate;
+	unsigned int pdiv;
+	unsigned int mdiv;
+	unsigned int sdiv;
+	unsigned int kdiv;
+};
+
+struct imx_pll14xx_clk {
+	enum imx_pll14xx_type type;
+	const struct imx_pll14xx_rate_table *rate_table;
+	int rate_count;
+	int flags;
+};
+
+extern struct imx_pll14xx_clk imx_1416x_pll;
+extern struct imx_pll14xx_clk imx_1443x_pll;
+extern struct imx_pll14xx_clk imx_1443x_dram_pll;
+
+/* NOTE: Rate table should be kept sorted in descending order. */
+struct imx_fracn_gppll_rate_table {
+	unsigned int rate;
+	unsigned int mfi;
+	unsigned int mfn;
+	unsigned int mfd;
+	unsigned int rdiv;
+	unsigned int odiv;
+};
+
+struct imx_fracn_gppll_clk {
+	const struct imx_fracn_gppll_rate_table *rate_table;
+	int rate_count;
+	int flags;
+};
+
+struct clk_hw *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base,
+				   const struct imx_fracn_gppll_clk *pll_clk);
+
+extern struct imx_fracn_gppll_clk imx_fracn_gppll;
+
+#define imx_clk_cpu(name, parent_name, div, mux, pll, step) \
+	to_clk(imx_clk_hw_cpu(name, parent_name, div, mux, pll, step))
+
+#define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
+				cgr_val, cgr_mask, clk_gate_flags, lock, share_count) \
+	to_clk(clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
+				cgr_val, cgr_mask, clk_gate_flags, lock, share_count))
+
+#define imx_clk_pllv3(type, name, parent_name, base, div_mask) \
+	to_clk(imx_clk_hw_pllv3(type, name, parent_name, base, div_mask))
+
+#define imx_clk_pfd(name, parent_name, reg, idx) \
+	to_clk(imx_clk_hw_pfd(name, parent_name, reg, idx))
+
+#define imx_clk_gate_exclusive(name, parent, reg, shift, exclusive_mask) \
+	to_clk(imx_clk_hw_gate_exclusive(name, parent, reg, shift, exclusive_mask))
+
+#define imx_clk_fixed(name, rate) \
+	to_clk(imx_clk_hw_fixed(name, rate))
+
+#define imx_clk_fixed_factor(name, parent, mult, div) \
+	to_clk(imx_clk_hw_fixed_factor(name, parent, mult, div))
+
+#define imx_clk_divider(name, parent, reg, shift, width) \
+	to_clk(imx_clk_hw_divider(name, parent, reg, shift, width))
+
+#define imx_clk_divider_flags(name, parent, reg, shift, width, flags) \
+	to_clk(imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags))
+
+#define imx_clk_gate(name, parent, reg, shift) \
+	to_clk(imx_clk_hw_gate(name, parent, reg, shift))
+
+#define imx_clk_gate_dis(name, parent, reg, shift) \
+	to_clk(imx_clk_hw_gate_dis(name, parent, reg, shift))
+
+#define imx_clk_gate2(name, parent, reg, shift) \
+	to_clk(imx_clk_hw_gate2(name, parent, reg, shift))
+
+#define imx_clk_gate2_cgr(name, parent, reg, shift, cgr_val) \
+	to_clk(__imx_clk_hw_gate2(name, parent, reg, shift, cgr_val, 0, NULL))
+
+#define imx_clk_gate2_flags(name, parent, reg, shift, flags) \
+	to_clk(imx_clk_hw_gate2_flags(name, parent, reg, shift, flags))
+
+#define imx_clk_mux(name, reg, shift, width, parents, num_parents) \
+	to_clk(imx_clk_hw_mux(name, reg, shift, width, parents, num_parents))
+
+#define imx_clk_mux_flags(name, reg, shift, width, parents, num_parents, flags) \
+	to_clk(imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags))
+
+#define imx_clk_mux2_flags(name, reg, shift, width, parents, num_parents, flags) \
+	to_clk(imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, flags))
+
+#define imx_clk_pllv1(type, name, parent, base) \
+	to_clk(imx_clk_hw_pllv1(type, name, parent, base))
+
+#define imx_clk_pllv2(name, parent, base) \
+	to_clk(imx_clk_hw_pllv2(name, parent, base))
+
+#define imx_clk_mux_flags(name, reg, shift, width, parents, num_parents, flags) \
+	to_clk(imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags))
+
+#define imx_clk_hw_gate(name, parent, reg, shift) \
+	imx_clk_hw_gate_flags(name, parent, reg, shift, 0)
+
+#define imx_clk_hw_gate2(name, parent, reg, shift) \
+	imx_clk_hw_gate2_flags(name, parent, reg, shift, 0)
+
+#define imx_clk_hw_gate_dis(name, parent, reg, shift) \
+	imx_clk_hw_gate_dis_flags(name, parent, reg, shift, 0)
+
+#define imx_clk_hw_gate_dis_flags(name, parent, reg, shift, flags) \
+	__imx_clk_hw_gate(name, parent, reg, shift, flags, CLK_GATE_SET_TO_DISABLE)
+
+#define imx_clk_hw_gate_flags(name, parent, reg, shift, flags) \
+	__imx_clk_hw_gate(name, parent, reg, shift, flags, 0)
+
+#define imx_clk_hw_gate2_flags(name, parent, reg, shift, flags) \
+	__imx_clk_hw_gate2(name, parent, reg, shift, 0x3, flags, NULL)
+
+#define imx_clk_hw_gate2_shared(name, parent, reg, shift, shared_count) \
+	__imx_clk_hw_gate2(name, parent, reg, shift, 0x3, 0, shared_count)
+
+#define imx_clk_hw_gate2_shared2(name, parent, reg, shift, shared_count) \
+	__imx_clk_hw_gate2(name, parent, reg, shift, 0x3, CLK_OPS_PARENT_ENABLE, shared_count)
+
+#define imx_clk_hw_gate3(name, parent, reg, shift) \
+	imx_clk_hw_gate3_flags(name, parent, reg, shift, 0)
+
+#define imx_clk_hw_gate3_flags(name, parent, reg, shift, flags) \
+	__imx_clk_hw_gate(name, parent, reg, shift, flags | CLK_OPS_PARENT_ENABLE, 0)
+
+#define imx_clk_hw_gate4(name, parent, reg, shift) \
+	imx_clk_hw_gate4_flags(name, parent, reg, shift, 0)
+
+#define imx_clk_hw_gate4_flags(name, parent, reg, shift, flags) \
+	imx_clk_hw_gate2_flags(name, parent, reg, shift, flags | CLK_OPS_PARENT_ENABLE)
+
+#define imx_clk_hw_mux2(name, reg, shift, width, parents, num_parents) \
+	imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, 0)
+
+#define imx_clk_hw_mux(name, reg, shift, width, parents, num_parents) \
+	__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, 0, 0)
+
+#define imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags) \
+	__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, flags, 0)
+
+#define imx_clk_hw_mux_ldb(name, reg, shift, width, parents, num_parents) \
+	__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, CLK_SET_RATE_PARENT, CLK_MUX_READ_ONLY)
+
+#define imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, flags) \
+	__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, flags | CLK_OPS_PARENT_ENABLE, 0)
+
+#define imx_clk_hw_divider(name, parent, reg, shift, width) \
+	__imx_clk_hw_divider(name, parent, reg, shift, width, CLK_SET_RATE_PARENT)
+
+#define imx_clk_hw_divider2(name, parent, reg, shift, width) \
+	__imx_clk_hw_divider(name, parent, reg, shift, width, \
+				CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE)
+
+#define imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags) \
+	__imx_clk_hw_divider(name, parent, reg, shift, width, flags)
+
+#define imx_clk_hw_pll14xx(name, parent_name, base, pll_clk) \
+	imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base, pll_clk)
+
+struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name,
+				const char *parent_name, void __iomem *base,
+				const struct imx_pll14xx_clk *pll_clk);
+
+struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name,
+		const char *parent, void __iomem *base);
+
+struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent,
+		void __iomem *base);
+
+struct clk_hw *imx_clk_hw_frac_pll(const char *name, const char *parent_name,
+			     void __iomem *base);
+
+struct clk_hw *imx_clk_hw_sscg_pll(const char *name,
+				const char * const *parent_names,
+				u8 num_parents,
+				u8 parent, u8 bypass1, u8 bypass2,
+				void __iomem *base,
+				unsigned long flags);
+
+enum imx_pllv3_type {
+	IMX_PLLV3_GENERIC,
+	IMX_PLLV3_SYS,
+	IMX_PLLV3_USB,
+	IMX_PLLV3_USB_VF610,
+	IMX_PLLV3_AV,
+	IMX_PLLV3_ENET,
+	IMX_PLLV3_ENET_IMX7,
+	IMX_PLLV3_SYS_VF610,
+	IMX_PLLV3_DDR_IMX7,
+	IMX_PLLV3_AV_IMX7,
+};
+
+struct clk_hw *imx_clk_hw_pllv3(enum imx_pllv3_type type, const char *name,
+		const char *parent_name, void __iomem *base, u32 div_mask);
+
+#define PLL_1416X_RATE(_rate, _m, _p, _s)		\
+	{						\
+		.rate	=	(_rate),		\
+		.mdiv	=	(_m),			\
+		.pdiv	=	(_p),			\
+		.sdiv	=	(_s),			\
+	}
+
+#define PLL_1443X_RATE(_rate, _m, _p, _s, _k)		\
+	{						\
+		.rate	=	(_rate),		\
+		.mdiv	=	(_m),			\
+		.pdiv	=	(_p),			\
+		.sdiv	=	(_s),			\
+		.kdiv	=	(_k),			\
+	}
+
+struct clk_hw *imx_clk_hw_pllv4(enum imx_pllv4_type type, const char *name,
+		const char *parent_name, void __iomem *base);
+
+struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name,
+		const char *parent_name, unsigned long flags,
+		void __iomem *reg, u8 bit_idx, u8 cgr_val, u8 cgr_mask,
+		u8 clk_gate_flags, spinlock_t *lock,
+		unsigned int *share_count);
+
+struct clk * imx_obtain_fixed_clock(
+			const char *name, unsigned long rate);
+
+struct clk_hw *imx_obtain_fixed_clock_hw(
+			const char *name, unsigned long rate);
+
+struct clk_hw *imx_obtain_fixed_clk_hw(struct device_node *np,
+				       const char *name);
+
+struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent,
+	 void __iomem *reg, u8 shift, u32 exclusive_mask);
+
+struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
+		void __iomem *reg, u8 idx);
+
+struct clk_hw *imx_clk_hw_pfdv2(enum imx_pfdv2_type type, const char *name,
+	 const char *parent_name, void __iomem *reg, u8 idx);
+
+struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name,
+				 void __iomem *reg, u8 shift, u8 width,
+				 void __iomem *busy_reg, u8 busy_shift);
+
+struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,
+			     u8 width, void __iomem *busy_reg, u8 busy_shift,
+			     const char * const *parent_names, int num_parents);
+
+struct clk_hw *imx7ulp_clk_hw_composite(const char *name,
+				     const char * const *parent_names,
+				     int num_parents, bool mux_present,
+				     bool rate_present, bool gate_present,
+				     void __iomem *reg);
+
+struct clk_hw *imx8ulp_clk_hw_composite(const char *name,
+				     const char * const *parent_names,
+				     int num_parents, bool mux_present,
+				     bool rate_present, bool gate_present,
+				     void __iomem *reg, bool has_swrst);
+
+struct clk_hw *imx_clk_hw_fixup_divider(const char *name, const char *parent,
+				  void __iomem *reg, u8 shift, u8 width,
+				  void (*fixup)(u32 *val));
+
+struct clk_hw *imx_clk_hw_fixup_mux(const char *name, void __iomem *reg,
+			      u8 shift, u8 width, const char * const *parents,
+			      int num_parents, void (*fixup)(u32 *val));
+
+static inline struct clk *to_clk(struct clk_hw *hw)
+{
+	if (IS_ERR_OR_NULL(hw))
+		return ERR_CAST(hw);
+	return hw->clk;
+}
+
+static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)
+{
+	return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
+}
+
+static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name,
+		const char *parent, unsigned int mult, unsigned int div)
+{
+	return clk_hw_register_fixed_factor(NULL, name, parent,
+			CLK_SET_RATE_PARENT, mult, div);
+}
+
+static inline struct clk_hw *__imx_clk_hw_divider(const char *name,
+						   const char *parent,
+						   void __iomem *reg, u8 shift,
+						   u8 width, unsigned long flags)
+{
+	return clk_hw_register_divider(NULL, name, parent, flags,
+				       reg, shift, width, 0, &imx_ccm_lock);
+}
+
+static inline struct clk_hw *__imx_clk_hw_gate(const char *name, const char *parent,
+						void __iomem *reg, u8 shift,
+						unsigned long flags,
+						unsigned long clk_gate_flags)
+{
+	return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
+					shift, clk_gate_flags, &imx_ccm_lock);
+}
+
+static inline struct clk_hw *__imx_clk_hw_gate2(const char *name, const char *parent,
+						void __iomem *reg, u8 shift, u8 cgr_val,
+						unsigned long flags,
+						unsigned int *share_count)
+{
+	return clk_hw_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
+					shift, cgr_val, 0x3, 0, &imx_ccm_lock, share_count);
+}
+
+static inline struct clk_hw *__imx_clk_hw_mux(const char *name, void __iomem *reg,
+			u8 shift, u8 width, const char * const *parents,
+			int num_parents, unsigned long flags, unsigned long clk_mux_flags)
+{
+	return clk_hw_register_mux(NULL, name, parents, num_parents,
+			flags | CLK_SET_RATE_NO_REPARENT, reg, shift,
+			width, clk_mux_flags, &imx_ccm_lock);
+}
+
+struct clk_hw *imx_clk_hw_cpu(const char *name, const char *parent_name,
+		struct clk *div, struct clk *mux, struct clk *pll,
+		struct clk *step);
+
+#define IMX_COMPOSITE_CORE		BIT(0)
+#define IMX_COMPOSITE_BUS		BIT(1)
+#define IMX_COMPOSITE_FW_MANAGED	BIT(2)
+
+#define IMX_COMPOSITE_CLK_FLAGS_DEFAULT \
+	(CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
+#define IMX_COMPOSITE_CLK_FLAGS_CRITICAL \
+	(IMX_COMPOSITE_CLK_FLAGS_DEFAULT | CLK_IS_CRITICAL)
+#define IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE \
+	(IMX_COMPOSITE_CLK_FLAGS_DEFAULT | CLK_GET_RATE_NOCACHE)
+#define IMX_COMPOSITE_CLK_FLAGS_CRITICAL_GET_RATE_NO_CACHE \
+	(IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE | CLK_IS_CRITICAL)
+
+struct clk_hw *__imx8m_clk_hw_composite(const char *name,
+					    const char * const *parent_names,
+					    int num_parents,
+					    void __iomem *reg,
+					    u32 composite_flags,
+					    unsigned long flags);
+
+#define _imx8m_clk_hw_composite(name, parent_names, reg, composite_flags, flags) \
+	__imx8m_clk_hw_composite(name, parent_names, \
+		ARRAY_SIZE(parent_names), reg, composite_flags, flags)
+
+#define imx8m_clk_hw_composite(name, parent_names, reg) \
+	_imx8m_clk_hw_composite(name, parent_names, reg, \
+			0, IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
+
+#define imx8m_clk_hw_composite_critical(name, parent_names, reg) \
+	_imx8m_clk_hw_composite(name, parent_names, reg, \
+			0, IMX_COMPOSITE_CLK_FLAGS_CRITICAL)
+
+#define imx8m_clk_hw_composite_bus(name, parent_names, reg)	\
+	_imx8m_clk_hw_composite(name, parent_names, reg, \
+			IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
+
+#define imx8m_clk_hw_composite_bus_critical(name, parent_names, reg)	\
+	_imx8m_clk_hw_composite(name, parent_names, reg, \
+			IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_CRITICAL)
+
+#define imx8m_clk_hw_composite_core(name, parent_names, reg)	\
+	_imx8m_clk_hw_composite(name, parent_names, reg, \
+			IMX_COMPOSITE_CORE, IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
+
+#define imx8m_clk_hw_fw_managed_composite(name, parent_names, reg) \
+	_imx8m_clk_hw_composite(name, parent_names, reg, \
+			IMX_COMPOSITE_FW_MANAGED, \
+			IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE)
+
+#define imx8m_clk_hw_fw_managed_composite_critical(name, parent_names, reg) \
+	_imx8m_clk_hw_composite(name, parent_names, reg, \
+			IMX_COMPOSITE_FW_MANAGED, \
+			IMX_COMPOSITE_CLK_FLAGS_CRITICAL_GET_RATE_NO_CACHE)
+
+struct clk_hw *imx93_clk_composite_flags(const char *name,
+					 const char * const *parent_names,
+					 int num_parents,
+					 void __iomem *reg,
+					 u32 domain_id,
+					 unsigned long flags);
+#define imx93_clk_composite(name, parent_names, num_parents, reg, domain_id) \
+	imx93_clk_composite_flags(name, parent_names, num_parents, reg, domain_id \
+				  CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
+
+struct clk_hw *imx93_clk_gate(struct device *dev, const char *name, const char *parent_name,
+			      unsigned long flags, void __iomem *reg, u32 bit_idx, u32 val,
+			      u32 mask, u32 domain_id, unsigned int *share_count);
+
+struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char *parent_name,
+		unsigned long flags, void __iomem *reg, u8 shift, u8 width,
+		u8 clk_divider_flags, const struct clk_div_table *table,
+		spinlock_t *lock);
+#endif