diff options
Diffstat (limited to 'drivers/clk/rockchip/clk.h')
| -rw-r--r-- | drivers/clk/rockchip/clk.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h index 887cbdeca2aa..ca009ab0a33a 100644 --- a/drivers/clk/rockchip/clk.h +++ b/drivers/clk/rockchip/clk.h @@ -120,6 +120,38 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, struct rockchip_pll_rate_table *rate_table, spinlock_t *lock); +struct rockchip_cpuclk_clksel { + int reg; + u32 val; +}; + +#define ROCKCHIP_CPUCLK_NUM_DIVIDERS 2 +struct rockchip_cpuclk_rate_table { + unsigned long prate; + struct rockchip_cpuclk_clksel divs[ROCKCHIP_CPUCLK_NUM_DIVIDERS]; +}; + +/** + * struct rockchip_cpuclk_reg_data: describes register offsets and masks of the cpuclock + * @core_reg: register offset of the core settings register + * @div_core_shift: core divider offset used to divide the pll value + * @div_core_mask: core divider mask + * @mux_core_shift: offset of the core multiplexer + */ +struct rockchip_cpuclk_reg_data { + int core_reg; + u8 div_core_shift; + u32 div_core_mask; + int mux_core_reg; + u8 mux_core_shift; +}; + +struct clk *rockchip_clk_register_cpuclk(const char *name, + const char **parent_names, u8 num_parents, + const struct rockchip_cpuclk_reg_data *reg_data, + const struct rockchip_cpuclk_rate_table *rates, + int nrates, void __iomem *reg_base, spinlock_t *lock); + #define PNAME(x) static const char *x[] __initconst enum rockchip_clk_branch_type { @@ -329,6 +361,13 @@ void rockchip_clk_register_branches(struct rockchip_clk_branch *clk_list, unsigned int nr_clk); void rockchip_clk_register_plls(struct rockchip_pll_clock *pll_list, unsigned int nr_pll, int grf_lock_offset); +void rockchip_clk_register_armclk(unsigned int lookup_id, const char *name, + const char **parent_names, u8 num_parents, + const struct rockchip_cpuclk_reg_data *reg_data, + const struct rockchip_cpuclk_rate_table *rates, + int nrates); +void rockchip_clk_protect_critical(const char *clocks[], int nclocks); +void rockchip_register_restart_notifier(unsigned int reg); #define ROCKCHIP_SOFTRST_HIWORD_MASK BIT(0) |