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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Copyright 2018-2021 NXP
- * Dong Aisheng <[email protected]>
- */
- #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
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