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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.h51
1 files changed, 38 insertions, 13 deletions
diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h
index 4133bfc8f827..e243d509da89 100644
--- a/drivers/clk/rockchip/clk.h
+++ b/drivers/clk/rockchip/clk.h
@@ -27,6 +27,7 @@
#define CLK_ROCKCHIP_CLK_H
#include <linux/io.h>
+#include <linux/clk-provider.h>
struct clk;
@@ -127,6 +128,22 @@ enum rockchip_pll_type {
.nb = _nb, \
}
+/**
+ * struct rockchip_clk_provider: information about clock provider
+ * @reg_base: virtual address for the register base.
+ * @clk_data: holds clock related data like clk* and number of clocks.
+ * @cru_node: device-node of the clock-provider
+ * @grf: regmap of the general-register-files syscon
+ * @lock: maintains exclusion between callbacks for a given clock-provider.
+ */
+struct rockchip_clk_provider {
+ void __iomem *reg_base;
+ struct clk_onecell_data clk_data;
+ struct device_node *cru_node;
+ struct regmap *grf;
+ spinlock_t lock;
+};
+
struct rockchip_pll_rate_table {
unsigned long rate;
unsigned int nr;
@@ -194,12 +211,13 @@ struct rockchip_pll_clock {
.rate_table = _rtable, \
}
-struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type,
+struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx,
+ enum rockchip_pll_type pll_type,
const char *name, const char *const *parent_names,
- u8 num_parents, void __iomem *base, int con_offset,
- int grf_lock_offset, int lock_shift, int reg_mode,
- int mode_shift, struct rockchip_pll_rate_table *rate_table,
- u8 clk_pll_flags, spinlock_t *lock);
+ u8 num_parents, int con_offset, int grf_lock_offset,
+ int lock_shift, int mode_offset, int mode_shift,
+ struct rockchip_pll_rate_table *rate_table,
+ u8 clk_pll_flags);
struct rockchip_cpuclk_clksel {
int reg;
@@ -558,21 +576,28 @@ struct rockchip_clk_branch {
.gate_flags = gf, \
}
-void rockchip_clk_init(struct device_node *np, void __iomem *base,
- unsigned long nr_clks);
-struct regmap *rockchip_clk_get_grf(void);
-void rockchip_clk_add_lookup(struct clk *clk, unsigned int id);
-void rockchip_clk_register_branches(struct rockchip_clk_branch *clk_list,
+struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
+ void __iomem *base, unsigned long nr_clks);
+void rockchip_clk_of_add_provider(struct device_node *np,
+ struct rockchip_clk_provider *ctx);
+struct regmap *rockchip_clk_get_grf(struct rockchip_clk_provider *ctx);
+void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
+ struct clk *clk, unsigned int id);
+void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
+ struct rockchip_clk_branch *list,
unsigned int nr_clk);
-void rockchip_clk_register_plls(struct rockchip_pll_clock *pll_list,
+void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
+ 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,
+void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
+ unsigned int lookup_id, const char *name,
const char *const *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 *const clocks[], int nclocks);
-void rockchip_register_restart_notifier(unsigned int reg, void (*cb)(void));
+void rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
+ unsigned int reg, void (*cb)(void));
#define ROCKCHIP_SOFTRST_HIWORD_MASK BIT(0)