1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-scu.h b/drivers/clk/imx/clk-scu.h
new file mode 100644
index 0000000000..af7b697f51
--- /dev/null
+++ b/drivers/clk/imx/clk-scu.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2018-2021 NXP
+ *   Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#ifndef __IMX_CLK_SCU_H
+#define __IMX_CLK_SCU_H
+
+#include <linux/firmware/imx/sci.h>
+#include <linux/of.h>
+
+#define IMX_SCU_GPR_CLK_GATE	BIT(0)
+#define IMX_SCU_GPR_CLK_DIV	BIT(1)
+#define IMX_SCU_GPR_CLK_MUX	BIT(2)
+
+struct imx_clk_scu_rsrc_table {
+	const u32 *rsrc;
+	u8 num;
+};
+
+extern struct list_head imx_scu_clks[];
+extern const struct dev_pm_ops imx_clk_lpcg_scu_pm_ops;
+extern const struct imx_clk_scu_rsrc_table imx_clk_scu_rsrc_imx8dxl;
+extern const struct imx_clk_scu_rsrc_table imx_clk_scu_rsrc_imx8qxp;
+extern const struct imx_clk_scu_rsrc_table imx_clk_scu_rsrc_imx8qm;
+
+int imx_clk_scu_init(struct device_node *np,
+		     const struct imx_clk_scu_rsrc_table *data);
+struct clk_hw *imx_scu_of_clk_src_get(struct of_phandle_args *clkspec,
+				      void *data);
+struct clk_hw *imx_clk_scu_alloc_dev(const char *name,
+				     const char * const *parents,
+				     int num_parents, u32 rsrc_id, u8 clk_type);
+
+struct clk_hw *__imx_clk_scu(struct device *dev, const char *name,
+			     const char * const *parents, int num_parents,
+			     u32 rsrc_id, u8 clk_type);
+
+void imx_clk_scu_unregister(void);
+
+struct clk_hw *__imx_clk_lpcg_scu(struct device *dev, const char *name,
+				  const char *parent_name, unsigned long flags,
+				  void __iomem *reg, u8 bit_idx, bool hw_gate);
+void imx_clk_lpcg_scu_unregister(struct clk_hw *hw);
+
+struct clk_hw *__imx_clk_gpr_scu(const char *name, const char * const *parent_name,
+				 int num_parents, u32 rsrc_id, u8 gpr_id, u8 flags,
+				 bool invert);
+
+static inline struct clk_hw *imx_clk_scu(const char *name, u32 rsrc_id,
+					 u8 clk_type)
+{
+	return imx_clk_scu_alloc_dev(name, NULL, 0, rsrc_id, clk_type);
+}
+
+static inline struct clk_hw *imx_clk_scu2(const char *name, const char * const *parents,
+					  int num_parents, u32 rsrc_id, u8 clk_type)
+{
+	return imx_clk_scu_alloc_dev(name, parents, num_parents, rsrc_id, clk_type);
+}
+
+static inline struct clk_hw *imx_clk_lpcg_scu_dev(struct device *dev, const char *name,
+						  const char *parent_name, unsigned long flags,
+						  void __iomem *reg, u8 bit_idx, bool hw_gate)
+{
+	return __imx_clk_lpcg_scu(dev, name, parent_name, flags, reg,
+				  bit_idx, hw_gate);
+}
+
+static inline struct clk_hw *imx_clk_lpcg_scu(const char *name, const char *parent_name,
+					      unsigned long flags, void __iomem *reg,
+					      u8 bit_idx, bool hw_gate)
+{
+	return __imx_clk_lpcg_scu(NULL, name, parent_name, flags, reg,
+				  bit_idx, hw_gate);
+}
+
+static inline struct clk_hw *imx_clk_gate_gpr_scu(const char *name, const char *parent_name,
+						  u32 rsrc_id, u8 gpr_id, bool invert)
+{
+	return __imx_clk_gpr_scu(name, &parent_name, 1, rsrc_id, gpr_id,
+				 IMX_SCU_GPR_CLK_GATE, invert);
+}
+
+static inline struct clk_hw *imx_clk_divider_gpr_scu(const char *name, const char *parent_name,
+						     u32 rsrc_id, u8 gpr_id)
+{
+	return __imx_clk_gpr_scu(name, &parent_name, 1, rsrc_id, gpr_id,
+				 IMX_SCU_GPR_CLK_DIV, 0);
+}
+
+static inline struct clk_hw *imx_clk_mux_gpr_scu(const char *name, const char * const *parent_names,
+						 int num_parents, u32 rsrc_id, u8 gpr_id)
+{
+	return __imx_clk_gpr_scu(name, parent_names, num_parents, rsrc_id,
+				 gpr_id, IMX_SCU_GPR_CLK_MUX, 0);
+}
+#endif