Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 8076ec0..f7a389a 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -8,7 +8,10 @@
 extern spinlock_t imx_ccm_lock;
 
 void imx_check_clocks(struct clk *clks[], unsigned int count);
+void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
 void imx_register_uart_clocks(struct clk ** const clks[]);
+void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
+void imx_unregister_clocks(struct clk *clks[], unsigned int count);
 
 extern void imx_cscmr1_fixup(u32 *val);
 
@@ -21,12 +24,95 @@
 	IMX_PLLV1_IMX35,
 };
 
+enum imx_sccg_pll_type {
+	SCCG_PLL1,
+	SCCG_PLL2,
+};
+
+enum imx_pll14xx_type {
+	PLL_1416X,
+	PLL_1443X,
+};
+
+/* 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;
+};
+
+#define imx_clk_cpu(name, parent_name, div, mux, pll, step) \
+	imx_clk_hw_cpu(name, parent_name, div, mux, pll, step)->clk
+
+#define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
+				cgr_val, clk_gate_flags, lock, share_count) \
+	clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
+				cgr_val, clk_gate_flags, lock, share_count)->clk
+
+#define imx_clk_pllv3(type, name, parent_name, base, div_mask) \
+	imx_clk_hw_pllv3(type, name, parent_name, base, div_mask)->clk
+
+#define imx_clk_pfd(name, parent_name, reg, idx) \
+	imx_clk_hw_pfd(name, parent_name, reg, idx)->clk
+
+#define imx_clk_gate_exclusive(name, parent, reg, shift, exclusive_mask) \
+	imx_clk_hw_gate_exclusive(name, parent, reg, shift, exclusive_mask)->clk
+
+#define imx_clk_fixed_factor(name, parent, mult, div) \
+	imx_clk_hw_fixed_factor(name, parent, mult, div)->clk
+
+#define imx_clk_divider2(name, parent, reg, shift, width) \
+	imx_clk_hw_divider2(name, parent, reg, shift, width)->clk
+
+#define imx_clk_gate_dis(name, parent, reg, shift) \
+	imx_clk_hw_gate_dis(name, parent, reg, shift)->clk
+
+#define imx_clk_gate2(name, parent, reg, shift) \
+	imx_clk_hw_gate2(name, parent, reg, shift)->clk
+
+#define imx_clk_gate2_flags(name, parent, reg, shift, flags) \
+	imx_clk_hw_gate2_flags(name, parent, reg, shift, flags)->clk
+
+#define imx_clk_gate2_shared2(name, parent, reg, shift, share_count) \
+	imx_clk_hw_gate2_shared2(name, parent, reg, shift, share_count)->clk
+
+#define imx_clk_gate3(name, parent, reg, shift) \
+	imx_clk_hw_gate3(name, parent, reg, shift)->clk
+
+#define imx_clk_gate4(name, parent, reg, shift) \
+	imx_clk_hw_gate4(name, parent, reg, shift)->clk
+
+#define imx_clk_mux(name, reg, shift, width, parents, num_parents) \
+	imx_clk_hw_mux(name, reg, shift, width, parents, num_parents)->clk
+
+struct clk *imx_clk_pll14xx(const char *name, const char *parent_name,
+		 void __iomem *base, const struct imx_pll14xx_clk *pll_clk);
+
 struct clk *imx_clk_pllv1(enum imx_pllv1_type type, const char *name,
 		const char *parent, void __iomem *base);
 
 struct clk *imx_clk_pllv2(const char *name, const char *parent,
 		void __iomem *base);
 
+struct clk *imx_clk_frac_pll(const char *name, const char *parent_name,
+			     void __iomem *base);
+
+struct clk *imx_clk_sccg_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,
@@ -37,12 +123,33 @@
 	IMX_PLLV3_ENET_IMX7,
 	IMX_PLLV3_SYS_VF610,
 	IMX_PLLV3_DDR_IMX7,
+	IMX_PLLV3_AV_IMX7,
 };
 
-struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
+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);
 
-struct clk *clk_register_gate2(struct device *dev, const char *name,
+#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_pllv4(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 clk_gate_flags, spinlock_t *lock,
@@ -51,26 +158,41 @@
 struct clk * imx_obtain_fixed_clock(
 			const char *name, unsigned long rate);
 
-struct clk *imx_clk_gate_exclusive(const char *name, const char *parent,
+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 *imx_clk_pfd(const char *name, const char *parent_name,
+struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
 		void __iomem *reg, u8 idx);
 
-struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
+struct clk_hw *imx_clk_pfdv2(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 *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 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 **parent_names, int num_parents);
+			     const char * const *parent_names, int num_parents);
 
-struct clk *imx_clk_fixup_divider(const char *name, const char *parent,
+struct clk_hw *imx7ulp_clk_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 *imx_clk_hw_fixup_divider(const char *name, const char *parent,
 				  void __iomem *reg, u8 shift, u8 width,
 				  void (*fixup)(u32 *val));
 
-struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
-			      u8 shift, u8 width, const char **parents,
+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 *imx_clk_fixed(const char *name, int rate)
@@ -78,18 +200,24 @@
 	return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
 }
 
-static inline struct clk *imx_clk_mux_ldb(const char *name, void __iomem *reg,
-		u8 shift, u8 width, const char **parents, int num_parents)
+static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)
 {
-	return clk_register_mux(NULL, name, parents, num_parents,
+	return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
+}
+
+static inline struct clk_hw *imx_clk_hw_mux_ldb(const char *name, void __iomem *reg,
+			u8 shift, u8 width, const char * const *parents,
+			int num_parents)
+{
+	return clk_hw_register_mux(NULL, name, parents, num_parents,
 			CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, reg,
 			shift, width, CLK_MUX_READ_ONLY, &imx_ccm_lock);
 }
 
-static inline struct clk *imx_clk_fixed_factor(const char *name,
+static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name,
 		const char *parent, unsigned int mult, unsigned int div)
 {
-	return clk_register_fixed_factor(NULL, name, parent,
+	return clk_hw_register_fixed_factor(NULL, name, parent,
 			CLK_SET_RATE_PARENT, mult, div);
 }
 
@@ -100,6 +228,15 @@
 			reg, shift, width, 0, &imx_ccm_lock);
 }
 
+static inline struct clk_hw *imx_clk_hw_divider(const char *name,
+						const char *parent,
+						void __iomem *reg, u8 shift,
+						u8 width)
+{
+	return clk_hw_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
+				       reg, shift, width, 0, &imx_ccm_lock);
+}
+
 static inline struct clk *imx_clk_divider_flags(const char *name,
 		const char *parent, void __iomem *reg, u8 shift, u8 width,
 		unsigned long flags)
@@ -108,14 +245,32 @@
 			reg, shift, width, 0, &imx_ccm_lock);
 }
 
-static inline struct clk *imx_clk_divider2(const char *name, const char *parent,
+static inline struct clk_hw *imx_clk_hw_divider_flags(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_divider2(const char *name, const char *parent,
 		void __iomem *reg, u8 shift, u8 width)
 {
-	return clk_register_divider(NULL, name, parent,
+	return clk_hw_register_divider(NULL, name, parent,
 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
 			reg, shift, width, 0, &imx_ccm_lock);
 }
 
+static inline struct clk *imx_clk_divider2_flags(const char *name,
+		const char *parent, void __iomem *reg, u8 shift, u8 width,
+		unsigned long flags)
+{
+	return clk_register_divider(NULL, name, parent,
+			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, width, 0, &imx_ccm_lock);
+}
+
 static inline struct clk *imx_clk_gate(const char *name, const char *parent,
 		void __iomem *reg, u8 shift)
 {
@@ -123,47 +278,61 @@
 			shift, 0, &imx_ccm_lock);
 }
 
-static inline struct clk *imx_clk_gate_flags(const char *name, const char *parent,
+static inline struct clk_hw *imx_clk_hw_gate_flags(const char *name, const char *parent,
 		void __iomem *reg, u8 shift, unsigned long flags)
 {
-	return clk_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
+	return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
 			shift, 0, &imx_ccm_lock);
 }
 
-static inline struct clk *imx_clk_gate_dis(const char *name, const char *parent,
+static inline struct clk_hw *imx_clk_hw_gate(const char *name, const char *parent,
+					     void __iomem *reg, u8 shift)
+{
+	return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
+				    shift, 0, &imx_ccm_lock);
+}
+
+static inline struct clk_hw *imx_clk_hw_gate_dis(const char *name, const char *parent,
 		void __iomem *reg, u8 shift)
 {
-	return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
+	return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
 			shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
 }
 
-static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
-		void __iomem *reg, u8 shift)
-{
-	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
-			shift, 0x3, 0, &imx_ccm_lock, NULL);
-}
-
-static inline struct clk *imx_clk_gate2_flags(const char *name, const char *parent,
+static inline struct clk_hw *imx_clk_hw_gate_dis_flags(const char *name, const char *parent,
 		void __iomem *reg, u8 shift, unsigned long flags)
 {
-	return clk_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
+	return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
+			shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
+}
+
+static inline struct clk_hw *imx_clk_hw_gate2(const char *name, const char *parent,
+		void __iomem *reg, u8 shift)
+{
+	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
 			shift, 0x3, 0, &imx_ccm_lock, NULL);
 }
 
-static inline struct clk *imx_clk_gate2_shared(const char *name,
+static inline struct clk_hw *imx_clk_hw_gate2_flags(const char *name, const char *parent,
+		void __iomem *reg, u8 shift, unsigned long flags)
+{
+	return clk_hw_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
+			shift, 0x3, 0, &imx_ccm_lock, NULL);
+}
+
+static inline struct clk_hw *imx_clk_hw_gate2_shared(const char *name,
 		const char *parent, void __iomem *reg, u8 shift,
 		unsigned int *share_count)
 {
-	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
+	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
 			shift, 0x3, 0, &imx_ccm_lock, share_count);
 }
 
-static inline struct clk *imx_clk_gate2_shared2(const char *name,
+static inline struct clk_hw *imx_clk_hw_gate2_shared2(const char *name,
 		const char *parent, void __iomem *reg, u8 shift,
 		unsigned int *share_count)
 {
-	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
+	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
 				  CLK_OPS_PARENT_ENABLE, reg, shift, 0x3, 0,
 				  &imx_ccm_lock, share_count);
 }
@@ -175,49 +344,123 @@
 			shift, cgr_val, 0, &imx_ccm_lock, NULL);
 }
 
-static inline struct clk *imx_clk_gate3(const char *name, const char *parent,
+static inline struct clk_hw *imx_clk_hw_gate3(const char *name, const char *parent,
 		void __iomem *reg, u8 shift)
 {
-	return clk_register_gate(NULL, name, parent,
+	return clk_hw_register_gate(NULL, name, parent,
 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
 			reg, shift, 0, &imx_ccm_lock);
 }
 
-static inline struct clk *imx_clk_gate4(const char *name, const char *parent,
+static inline struct clk *imx_clk_gate3_flags(const char *name,
+		const char *parent, void __iomem *reg, u8 shift,
+		unsigned long flags)
+{
+	return clk_register_gate(NULL, name, parent,
+			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, 0, &imx_ccm_lock);
+}
+
+static inline struct clk_hw *imx_clk_hw_gate4(const char *name, const char *parent,
 		void __iomem *reg, u8 shift)
 {
-	return clk_register_gate2(NULL, name, parent,
+	return clk_hw_register_gate2(NULL, name, parent,
 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
 			reg, shift, 0x3, 0, &imx_ccm_lock, NULL);
 }
 
-static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
-		u8 shift, u8 width, const char **parents, int num_parents)
+static inline struct clk *imx_clk_gate4_flags(const char *name,
+		const char *parent, void __iomem *reg, u8 shift,
+		unsigned long flags)
 {
-	return clk_register_mux(NULL, name, parents, num_parents,
+	return clk_register_gate2(NULL, name, parent,
+			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, 0x3, 0, &imx_ccm_lock, NULL);
+}
+
+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)
+{
+	return clk_hw_register_mux(NULL, name, parents, num_parents,
 			CLK_SET_RATE_NO_REPARENT, reg, shift,
 			width, 0, &imx_ccm_lock);
 }
 
 static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
-		u8 shift, u8 width, const char **parents, int num_parents)
+			u8 shift, u8 width, const char * const *parents,
+			int num_parents)
 {
 	return clk_register_mux(NULL, name, parents, num_parents,
 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
 			reg, shift, width, 0, &imx_ccm_lock);
 }
 
+static inline struct clk_hw *imx_clk_hw_mux2(const char *name, void __iomem *reg,
+					     u8 shift, u8 width,
+					     const char * const *parents,
+					     int num_parents)
+{
+	return clk_hw_register_mux(NULL, name, parents, num_parents,
+				   CLK_SET_RATE_NO_REPARENT |
+				   CLK_OPS_PARENT_ENABLE,
+				   reg, shift, width, 0, &imx_ccm_lock);
+}
+
 static inline struct clk *imx_clk_mux_flags(const char *name,
-		void __iomem *reg, u8 shift, u8 width, const char **parents,
-		int num_parents, unsigned long flags)
+			void __iomem *reg, u8 shift, u8 width,
+			const char * const *parents, int num_parents,
+			unsigned long flags)
 {
 	return clk_register_mux(NULL, name, parents, num_parents,
 			flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
 			&imx_ccm_lock);
 }
 
-struct clk *imx_clk_cpu(const char *name, const char *parent_name,
+static inline struct clk *imx_clk_mux2_flags(const char *name,
+		void __iomem *reg, u8 shift, u8 width,
+		const char * const *parents,
+		int num_parents, unsigned long flags)
+{
+	return clk_register_mux(NULL, name, parents, num_parents,
+			flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, width, 0, &imx_ccm_lock);
+}
+
+static inline struct clk_hw *imx_clk_hw_mux_flags(const char *name,
+						  void __iomem *reg, u8 shift,
+						  u8 width,
+						  const char * const *parents,
+						  int num_parents,
+						  unsigned long flags)
+{
+	return clk_hw_register_mux(NULL, name, parents, num_parents,
+				   flags | CLK_SET_RATE_NO_REPARENT,
+				   reg, shift, width, 0, &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);
 
+struct clk *imx8m_clk_composite_flags(const char *name,
+					const char * const *parent_names,
+					int num_parents, void __iomem *reg,
+					unsigned long flags);
+
+#define __imx8m_clk_composite(name, parent_names, reg, flags) \
+	imx8m_clk_composite_flags(name, parent_names, \
+		ARRAY_SIZE(parent_names), reg, \
+		flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
+
+#define imx8m_clk_composite(name, parent_names, reg) \
+	__imx8m_clk_composite(name, parent_names, reg, 0)
+
+#define imx8m_clk_composite_critical(name, parent_names, reg) \
+	__imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL)
+
+struct clk_hw *imx_clk_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