diff options
Diffstat (limited to 'drivers/clk/imx/clk-scu.h')
| -rw-r--r-- | drivers/clk/imx/clk-scu.h | 56 |
1 files changed, 43 insertions, 13 deletions
diff --git a/drivers/clk/imx/clk-scu.h b/drivers/clk/imx/clk-scu.h index e8352164923e..22156e93b85d 100644 --- a/drivers/clk/imx/clk-scu.h +++ b/drivers/clk/imx/clk-scu.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* - * Copyright 2018 NXP + * Copyright 2018-2021 NXP * Dong Aisheng <aisheng.dong@nxp.com> */ @@ -10,10 +10,22 @@ #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_imx8qxp; +extern const struct imx_clk_scu_rsrc_table imx_clk_scu_rsrc_imx8qm; -int imx_clk_scu_init(struct device_node *np); +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, @@ -31,23 +43,20 @@ struct clk_hw *__imx_clk_lpcg_scu(struct device *dev, const char *name, 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, u8 clk_cells) + u8 clk_type) { - if (clk_cells == 2) - return imx_clk_scu_alloc_dev(name, NULL, 0, rsrc_id, clk_type); - else - return __imx_clk_scu(NULL, name, NULL, 0, rsrc_id, 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, - u8 clk_cells) + int num_parents, u32 rsrc_id, u8 clk_type) { - if (clk_cells == 2) - return imx_clk_scu_alloc_dev(name, parents, num_parents, rsrc_id, clk_type); - else - return __imx_clk_scu(NULL, name, parents, num_parents, rsrc_id, 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, @@ -65,4 +74,25 @@ static inline struct clk_hw *imx_clk_lpcg_scu(const char *name, const char *pare 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 |