diff options
Diffstat (limited to 'drivers/clk/samsung/clk.h')
| -rw-r--r-- | drivers/clk/samsung/clk.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h index 516b716407e5..18660c1ac6f0 100644 --- a/drivers/clk/samsung/clk.h +++ b/drivers/clk/samsung/clk.h @@ -11,7 +11,9 @@ #define __SAMSUNG_CLK_H #include <linux/clk-provider.h> +#include <linux/mod_devicetable.h> #include "clk-pll.h" +#include "clk-cpu.h" /** * struct samsung_clk_provider - information about clock provider @@ -132,7 +134,7 @@ struct samsung_mux_clock { .name = cname, \ .parent_names = pnames, \ .num_parents = ARRAY_SIZE(pnames), \ - .flags = (f) | CLK_SET_RATE_NO_REPARENT, \ + .flags = f, \ .offset = o, \ .shift = s, \ .width = w, \ @@ -140,9 +142,16 @@ struct samsung_mux_clock { } #define MUX(_id, cname, pnames, o, s, w) \ - __MUX(_id, cname, pnames, o, s, w, 0, 0) + __MUX(_id, cname, pnames, o, s, w, CLK_SET_RATE_NO_REPARENT, 0) #define MUX_F(_id, cname, pnames, o, s, w, f, mf) \ + __MUX(_id, cname, pnames, o, s, w, (f) | CLK_SET_RATE_NO_REPARENT, mf) + +/* Used by MUX clocks where reparenting on clock rate change is allowed. */ +#define nMUX(_id, cname, pnames, o, s, w) \ + __MUX(_id, cname, pnames, o, s, w, 0, 0) + +#define nMUX_F(_id, cname, pnames, o, s, w, f, mf) \ __MUX(_id, cname, pnames, o, s, w, f, mf) /** @@ -282,10 +291,11 @@ struct samsung_cpu_clock { unsigned int alt_parent_id; unsigned long flags; int offset; + enum exynos_cpuclk_layout reg_layout; const struct exynos_cpuclk_cfg_data *cfg; }; -#define CPU_CLK(_id, _name, _pid, _apid, _flags, _offset, _cfg) \ +#define CPU_CLK(_id, _name, _pid, _apid, _flags, _offset, _layout, _cfg) \ { \ .id = _id, \ .name = _name, \ @@ -293,6 +303,7 @@ struct samsung_cpu_clock { .alt_parent_id = _apid, \ .flags = _flags, \ .offset = _offset, \ + .reg_layout = _layout, \ .cfg = _cfg, \ } @@ -327,6 +338,7 @@ struct samsung_clock_reg_cache { * @suspend_regs: list of clock registers to set before suspend * @nr_suspend_regs: count of clock registers in @suspend_regs * @clk_name: name of the parent clock needed for CMU register access + * @manual_plls: Enable manual control for PLL clocks */ struct samsung_cmu_info { const struct samsung_pll_clock *pll_clks; @@ -351,6 +363,9 @@ struct samsung_cmu_info { const struct samsung_clk_reg_dump *suspend_regs; unsigned int nr_suspend_regs; const char *clk_name; + + /* ARM64 Exynos CMUs */ + bool manual_plls; }; struct samsung_clk_provider *samsung_clk_init(struct device *dev, |