diff options
Diffstat (limited to 'drivers/clk/uniphier/clk-uniphier.h')
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier.h | 79 |
1 files changed, 50 insertions, 29 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h index 770a3225e1a..9b6c94fc38b 100644 --- a/drivers/clk/uniphier/clk-uniphier.h +++ b/drivers/clk/uniphier/clk-uniphier.h @@ -9,49 +9,70 @@ #define __CLK_UNIPHIER_H__ #include <linux/kernel.h> +#include <linux/types.h> -#define UNIPHIER_CLK_MAX_NR_MUXS 8 +#define UNIPHIER_CLK_MUX_MAX_PARENTS 8 + +#define UNIPHIER_CLK_TYPE_END 0 +#define UNIPHIER_CLK_TYPE_FIXED_RATE 2 +#define UNIPHIER_CLK_TYPE_GATE 3 +#define UNIPHIER_CLK_TYPE_MUX 4 + +#define UNIPHIER_CLK_ID_INVALID (U8_MAX) + +struct uniphier_clk_fixed_rate_data { + unsigned long fixed_rate; +}; struct uniphier_clk_gate_data { - unsigned int id; - unsigned int reg; - unsigned int bit; + u8 parent_id; + u16 reg; + u8 bit; }; struct uniphier_clk_mux_data { - unsigned int id; - unsigned int nr_muxs; - unsigned int reg; - unsigned int masks[UNIPHIER_CLK_MAX_NR_MUXS]; - unsigned int vals[UNIPHIER_CLK_MAX_NR_MUXS]; - unsigned long rates[UNIPHIER_CLK_MAX_NR_MUXS]; + u8 parent_ids[UNIPHIER_CLK_MUX_MAX_PARENTS]; + u8 num_parents; + u16 reg; + u32 masks[UNIPHIER_CLK_MUX_MAX_PARENTS]; + u32 vals[UNIPHIER_CLK_MUX_MAX_PARENTS]; }; struct uniphier_clk_data { - const struct uniphier_clk_gate_data *gate; - const struct uniphier_clk_mux_data *mux; + u8 type; + u8 id; + union { + struct uniphier_clk_fixed_rate_data rate; + struct uniphier_clk_gate_data gate; + struct uniphier_clk_mux_data mux; + } data; }; -#define UNIPHIER_CLK_ID_END (unsigned int)(-1) - -#define UNIPHIER_CLK_END \ - { .id = UNIPHIER_CLK_ID_END } - -#define UNIPHIER_CLK_GATE(_id, _reg, _bit) \ - { \ - .id = (_id), \ - .reg = (_reg), \ - .bit = (_bit), \ +#define UNIPHIER_CLK_RATE(_id, _rate) \ + { \ + .type = UNIPHIER_CLK_TYPE_FIXED_RATE, \ + .id = (_id), \ + .data.rate = { \ + .fixed_rate = (_rate), \ + }, \ } -#define UNIPHIER_CLK_FIXED_RATE(_id, _rate) \ - { \ - .id = (_id), \ - .rates = {(_reg),}, \ +#define UNIPHIER_CLK_GATE(_id, _parent, _reg, _bit) \ + { \ + .type = UNIPHIER_CLK_TYPE_GATE, \ + .id = (_id), \ + .data.gate = { \ + .parent_id = (_parent), \ + .reg = (_reg), \ + .bit = (_bit), \ + }, \ } -extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data; -extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data; -extern const struct uniphier_clk_data uniphier_mio_clk_data; +#define UNIPHIER_CLK_GATE_SIMPLE(_id, _reg, _bit) \ + UNIPHIER_CLK_GATE(_id, UNIPHIER_CLK_ID_INVALID, _reg, _bit) + +extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[]; +extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data[]; +extern const struct uniphier_clk_data uniphier_mio_clk_data[]; #endif /* __CLK_UNIPHIER_H__ */ |