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path: root/drivers/clk/mmp/clk.h
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-rw-r--r--drivers/clk/mmp/clk.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index d267639..26b2469 100644
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -37,6 +37,72 @@ extern struct clk *mmp_clk_register_factor(const char *name,
struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt,
spinlock_t *lock);
+/* Clock type "mix" */
+#define MMP_CLK_BITS_MASK(width, shift) \
+ (((1 << (width)) - 1) << (shift))
+#define MMP_CLK_BITS_GET_VAL(data, width, shift) \
+ ((data & MMP_CLK_BITS_MASK(width, shift)) >> (shift))
+#define MMP_CLK_BITS_SET_VAL(val, width, shift) \
+ (((val) << (shift)) & MMP_CLK_BITS_MASK(width, shift))
+
+enum {
+ MMP_CLK_MIX_TYPE_V1,
+ MMP_CLK_MIX_TYPE_V2,
+ MMP_CLK_MIX_TYPE_V3,
+};
+
+/* The register layout */
+struct mmp_clk_mix_reg_info {
+ void __iomem *reg_clk_ctrl;
+ void __iomem *reg_clk_sel;
+ u8 width_div;
+ u8 shift_div;
+ u8 width_mux;
+ u8 shift_mux;
+ u8 bit_fc;
+};
+
+/* The suggested clock table from user. */
+struct mmp_clk_mix_clk_table {
+ unsigned long rate;
+ u8 parent_index;
+ unsigned int divisor;
+ unsigned int valid;
+};
+
+struct mmp_clk_mix_config {
+ struct mmp_clk_mix_reg_info reg_info;
+ struct mmp_clk_mix_clk_table *table;
+ unsigned int table_size;
+ u32 *mux_table;
+ struct clk_div_table *div_table;
+ u8 div_flags;
+ u8 mux_flags;
+};
+
+struct mmp_clk_mix {
+ struct clk_hw hw;
+ struct mmp_clk_mix_reg_info reg_info;
+ struct mmp_clk_mix_clk_table *table;
+ u32 *mux_table;
+ struct clk_div_table *div_table;
+ unsigned int table_size;
+ u8 div_flags;
+ u8 mux_flags;
+ unsigned int type;
+ spinlock_t *lock;
+};
+
+extern const struct clk_ops mmp_clk_mix_ops;
+extern struct clk *mmp_clk_register_mix(struct device *dev,
+ const char *name,
+ u8 num_parents,
+ const char **parent_names,
+ unsigned long flags,
+ struct mmp_clk_mix_config *config,
+ spinlock_t *lock);
+
+
extern struct clk *mmp_clk_register_pll2(const char *name,
const char *parent_name, unsigned long flags);
extern struct clk *mmp_clk_register_apbc(const char *name,