diff options
Diffstat (limited to 'drivers/clk/sunxi/clk-factors.h')
| -rw-r--r-- | drivers/clk/sunxi/clk-factors.h | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h index f49851cc4380..7ad2ca924d0d 100644 --- a/drivers/clk/sunxi/clk-factors.h +++ b/drivers/clk/sunxi/clk-factors.h @@ -1,8 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_SUNXI_CLK_FACTORS_H #define __MACH_SUNXI_CLK_FACTORS_H #include <linux/clk-provider.h> -#include <linux/clkdev.h> +#include <linux/spinlock.h> #define SUNXI_FACTORS_NOT_APPLICABLE (0) @@ -15,13 +16,50 @@ struct clk_factors_config { u8 mwidth; u8 pshift; u8 pwidth; + u8 n_start; }; -struct clk *clk_register_factors(struct device *dev, const char *name, - const char *parent_name, - unsigned long flags, void __iomem *reg, - struct clk_factors_config *config, - void (*get_factors) (u32 *rate, u32 parent_rate, - u8 *n, u8 *k, u8 *m, u8 *p), - spinlock_t *lock); +struct factors_request { + unsigned long rate; + unsigned long parent_rate; + u8 parent_index; + u8 n; + u8 k; + u8 m; + u8 p; +}; + +struct factors_data { + int enable; + int mux; + int muxmask; + const struct clk_factors_config *table; + void (*getter)(struct factors_request *req); + void (*recalc)(struct factors_request *req); + const char *name; +}; + +struct clk_factors { + struct clk_hw hw; + void __iomem *reg; + const struct clk_factors_config *config; + void (*get_factors)(struct factors_request *req); + void (*recalc)(struct factors_request *req); + spinlock_t *lock; + /* for cleanup */ + struct clk_mux *mux; + struct clk_gate *gate; +}; + +struct clk *sunxi_factors_register(struct device_node *node, + const struct factors_data *data, + spinlock_t *lock, + void __iomem *reg); +struct clk *sunxi_factors_register_critical(struct device_node *node, + const struct factors_data *data, + spinlock_t *lock, + void __iomem *reg); + +void sunxi_factors_unregister(struct device_node *node, struct clk *clk); + #endif |