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7#ifndef __IMX_CLK_SCU_H
8#define __IMX_CLK_SCU_H
9
10#include <linux/firmware/imx/sci.h>
11#include <linux/of.h>
12
13#define IMX_SCU_GPR_CLK_GATE BIT(0)
14#define IMX_SCU_GPR_CLK_DIV BIT(1)
15#define IMX_SCU_GPR_CLK_MUX BIT(2)
16
17struct imx_clk_scu_rsrc_table {
18 const u32 *rsrc;
19 u8 num;
20};
21
22extern struct list_head imx_scu_clks[];
23extern const struct dev_pm_ops imx_clk_lpcg_scu_pm_ops;
24extern const struct imx_clk_scu_rsrc_table imx_clk_scu_rsrc_imx8qxp;
25extern const struct imx_clk_scu_rsrc_table imx_clk_scu_rsrc_imx8qm;
26
27int imx_clk_scu_init(struct device_node *np,
28 const struct imx_clk_scu_rsrc_table *data);
29struct clk_hw *imx_scu_of_clk_src_get(struct of_phandle_args *clkspec,
30 void *data);
31struct clk_hw *imx_clk_scu_alloc_dev(const char *name,
32 const char * const *parents,
33 int num_parents, u32 rsrc_id, u8 clk_type);
34
35struct clk_hw *__imx_clk_scu(struct device *dev, const char *name,
36 const char * const *parents, int num_parents,
37 u32 rsrc_id, u8 clk_type);
38
39void imx_clk_scu_unregister(void);
40
41struct clk_hw *__imx_clk_lpcg_scu(struct device *dev, const char *name,
42 const char *parent_name, unsigned long flags,
43 void __iomem *reg, u8 bit_idx, bool hw_gate);
44void imx_clk_lpcg_scu_unregister(struct clk_hw *hw);
45
46struct clk_hw *__imx_clk_gpr_scu(const char *name, const char * const *parent_name,
47 int num_parents, u32 rsrc_id, u8 gpr_id, u8 flags,
48 bool invert);
49
50static inline struct clk_hw *imx_clk_scu(const char *name, u32 rsrc_id,
51 u8 clk_type)
52{
53 return imx_clk_scu_alloc_dev(name, NULL, 0, rsrc_id, clk_type);
54}
55
56static inline struct clk_hw *imx_clk_scu2(const char *name, const char * const *parents,
57 int num_parents, u32 rsrc_id, u8 clk_type)
58{
59 return imx_clk_scu_alloc_dev(name, parents, num_parents, rsrc_id, clk_type);
60}
61
62static inline struct clk_hw *imx_clk_lpcg_scu_dev(struct device *dev, const char *name,
63 const char *parent_name, unsigned long flags,
64 void __iomem *reg, u8 bit_idx, bool hw_gate)
65{
66 return __imx_clk_lpcg_scu(dev, name, parent_name, flags, reg,
67 bit_idx, hw_gate);
68}
69
70static inline struct clk_hw *imx_clk_lpcg_scu(const char *name, const char *parent_name,
71 unsigned long flags, void __iomem *reg,
72 u8 bit_idx, bool hw_gate)
73{
74 return __imx_clk_lpcg_scu(NULL, name, parent_name, flags, reg,
75 bit_idx, hw_gate);
76}
77
78static inline struct clk_hw *imx_clk_gate_gpr_scu(const char *name, const char *parent_name,
79 u32 rsrc_id, u8 gpr_id, bool invert)
80{
81 return __imx_clk_gpr_scu(name, &parent_name, 1, rsrc_id, gpr_id,
82 IMX_SCU_GPR_CLK_GATE, invert);
83}
84
85static inline struct clk_hw *imx_clk_divider_gpr_scu(const char *name, const char *parent_name,
86 u32 rsrc_id, u8 gpr_id)
87{
88 return __imx_clk_gpr_scu(name, &parent_name, 1, rsrc_id, gpr_id,
89 IMX_SCU_GPR_CLK_DIV, 0);
90}
91
92static inline struct clk_hw *imx_clk_mux_gpr_scu(const char *name, const char * const *parent_names,
93 int num_parents, u32 rsrc_id, u8 gpr_id)
94{
95 return __imx_clk_gpr_scu(name, parent_names, num_parents, rsrc_id,
96 gpr_id, IMX_SCU_GPR_CLK_MUX, 0);
97}
98#endif
99
