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path: root/drivers/clk/rockchip/clk.h
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Diffstat (limited to 'drivers/clk/rockchip/clk.h')
-rw-r--r--drivers/clk/rockchip/clk.h39
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)