From b6c56d90b879a8f94c6a8d470e7d207f9b507401 Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Wed, 31 Jul 2019 07:01:42 +0000
Subject: [PATCH] clk: imx: import clk heplers

Import some clk helpers from Linux Kernel for i.MX8MM usage

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clk/imx/clk.h | 81 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index e6d51830e8..1d480d8722 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -36,6 +36,23 @@ static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
 			shift, 0x3, 0);
 }
 
+static inline struct clk *imx_clk_gate4(const char *name, const char *parent,
+		void __iomem *reg, u8 shift)
+{
+	return clk_register_gate2(NULL, name, parent,
+			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, 0x3, 0);
+}
+
+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_gate2(NULL, name, parent,
+			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, 0x3, 0);
+}
+
 static inline struct clk *imx_clk_fixed_factor(const char *name,
 		const char *parent, unsigned int mult, unsigned int div)
 {
@@ -50,6 +67,14 @@ static inline struct clk *imx_clk_divider(const char *name, const char *parent,
 			reg, shift, width, 0);
 }
 
+static inline struct clk *imx_clk_divider2(const char *name, const char *parent,
+		void __iomem *reg, u8 shift, u8 width)
+{
+	return clk_register_divider(NULL, name, parent,
+			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, width, 0);
+}
+
 struct clk *imx_clk_pfd(const char *name, const char *parent_name,
 			void __iomem *reg, u8 idx);
 
@@ -57,6 +82,16 @@ struct clk *imx_clk_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_mux_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, reg, shift,
+				width, 0);
+}
+
 static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
 			u8 shift, u8 width, const char * const *parents,
 			int num_parents)
@@ -66,4 +101,50 @@ static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
 			width, 0);
 }
 
+static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
+			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);
+}
+
+static inline struct clk *imx_clk_gate(const char *name, const char *parent,
+		void __iomem *reg, u8 shift)
+{
+	return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
+			shift, 0, NULL);
+}
+
+static inline struct clk *imx_clk_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,
+			shift, 0, NULL);
+}
+
+static inline struct clk *imx_clk_gate3(const char *name, const char *parent,
+		void __iomem *reg, u8 shift)
+{
+	return clk_register_gate(NULL, name, parent,
+			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
+			reg, shift, 0, NULL);
+}
+
+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)
+
 #endif /* __MACH_IMX_CLK_H */
-- 
2.39.5