diff options
Diffstat (limited to 'drivers/clk/uniphier/clk-uniphier.h')
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier.h | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h index 0244dba1f4cf..01c16ecec48f 100644 --- a/drivers/clk/uniphier/clk-uniphier.h +++ b/drivers/clk/uniphier/clk-uniphier.h @@ -20,15 +20,24 @@ struct clk_hw; struct device; struct regmap; -#define UNIPHIER_CLK_MUX_MAX_PARENTS 8 +#define UNIPHIER_CLK_CPUGEAR_MAX_PARENTS 16 +#define UNIPHIER_CLK_MUX_MAX_PARENTS 8 enum uniphier_clk_type { + UNIPHIER_CLK_TYPE_CPUGEAR, UNIPHIER_CLK_TYPE_FIXED_FACTOR, UNIPHIER_CLK_TYPE_FIXED_RATE, UNIPHIER_CLK_TYPE_GATE, UNIPHIER_CLK_TYPE_MUX, }; +struct uniphier_clk_cpugear_data { + const char *parent_names[UNIPHIER_CLK_CPUGEAR_MAX_PARENTS]; + unsigned int num_parents; + unsigned int regbase; + unsigned int mask; +}; + struct uniphier_clk_fixed_factor_data { const char *parent_name; unsigned int mult; @@ -58,6 +67,7 @@ struct uniphier_clk_data { enum uniphier_clk_type type; int idx; union { + struct uniphier_clk_cpugear_data cpugear; struct uniphier_clk_fixed_factor_data factor; struct uniphier_clk_fixed_rate_data rate; struct uniphier_clk_gate_data gate; @@ -65,6 +75,20 @@ struct uniphier_clk_data { } data; }; +#define UNIPHIER_CLK_CPUGEAR(_name, _idx, _regbase, _mask, \ + _num_parents, ...) \ + { \ + .name = (_name), \ + .type = UNIPHIER_CLK_TYPE_CPUGEAR, \ + .idx = (_idx), \ + .data.cpugear = { \ + .parent_names = { __VA_ARGS__ }, \ + .num_parents = (_num_parents), \ + .regbase = (_regbase), \ + .mask = (_mask) \ + }, \ + } + #define UNIPHIER_CLK_FACTOR(_name, _idx, _parent, _mult, _div) \ { \ .name = (_name), \ @@ -77,7 +101,6 @@ struct uniphier_clk_data { }, \ } - #define UNIPHIER_CLK_GATE(_name, _idx, _parent, _reg, _bit) \ { \ .name = (_name), \ @@ -90,7 +113,25 @@ struct uniphier_clk_data { }, \ } +#define UNIPHIER_CLK_DIV(parent, div) \ + UNIPHIER_CLK_FACTOR(parent "/" #div, -1, parent, 1, div) + +#define UNIPHIER_CLK_DIV2(parent, div0, div1) \ + UNIPHIER_CLK_DIV(parent, div0), \ + UNIPHIER_CLK_DIV(parent, div1) + +#define UNIPHIER_CLK_DIV3(parent, div0, div1, div2) \ + UNIPHIER_CLK_DIV2(parent, div0, div1), \ + UNIPHIER_CLK_DIV(parent, div2) + +#define UNIPHIER_CLK_DIV4(parent, div0, div1, div2, div3) \ + UNIPHIER_CLK_DIV2(parent, div0, div1), \ + UNIPHIER_CLK_DIV2(parent, div2, div3) +struct clk_hw *uniphier_clk_register_cpugear(struct device *dev, + struct regmap *regmap, + const char *name, + const struct uniphier_clk_cpugear_data *data); struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev, const char *name, const struct uniphier_clk_fixed_factor_data *data); |