Merge tag 'clk-for-v4.17-1' of https://github.com/BayLibre/clk-meson into clk-amlogic

Pull amlogic clk driver updates from Neil Armstrong:

 - pll fixes for GXBB, GXL and AXG
 - use regmap in clock controllers for GXBB, GXL and AXG
 - general clock updates for Meson8, GXBB, GXL and AXG

(Based on the clk-helpers topic branch as a dependency)

* tag 'clk-for-v4.17-1' of https://github.com/BayLibre/clk-meson: (49 commits)
  clk: meson: clean-up clk81 clocks
  clk: meson: add fdiv clock gates
  clk: meson: add mpll pre-divider
  clk: meson: axg: add hifi pll clock
  clk: meson: axg: add hifi clock bindings
  clk: meson: add ROUND_CLOSEST to the pll driver
  clk: meson: add gp0 frac parameter for axg and gxl
  clk: meson: improve pll driver results with frac
  clk: meson: remove special gp0 lock loop
  clk: meson: poke pll CNTL last
  clk: meson: add fractional part of meson8b fixed_pll
  clk: meson: use hhi syscon if available
  clk: meson: remove obsolete cpu_clk
  clk: meson: rework meson8b cpu clock
  clk: meson: split divider and gate part of mpll
  clk: meson: migrate plls clocks to clk_regmap
  clk: meson: migrate the audio divider clock to clk_regmap
  clk: meson: migrate mplls clocks to clk_regmap
  clk: meson: add regmap helpers for parm
  clk: meson: migrate muxes to clk_regmap
  ...

1 files changed, 22 insertions, 1 deletions

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index f711be6e8c44..210a890008f9 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -399,6 +399,7 @@ struct clk_divider {
 	spinlock_t	*lock;
 };
 
+#define clk_div_mask(width)	((1 << (width)) - 1)
 #define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
 
 #define CLK_DIVIDER_ONE_BASED		BIT(0)
@@ -419,6 +420,10 @@ long divider_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent,
 			       unsigned long rate, unsigned long *prate,
 			       const struct clk_div_table *table,
 			       u8 width, unsigned long flags);
+long divider_ro_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent,
+				  unsigned long rate, unsigned long *prate,
+				  const struct clk_div_table *table, u8 width,
+				  unsigned long flags, unsigned int val);
 int divider_get_val(unsigned long rate, unsigned long parent_rate,
 		const struct clk_div_table *table, u8 width,
 		unsigned long flags);
@@ -449,8 +454,9 @@ void clk_hw_unregister_divider(struct clk_hw *hw);
  *
  * @hw:		handle between common and hardware-specific interfaces
  * @reg:	register controlling multiplexer
+ * @table:	array of register values corresponding to the parent index
  * @shift:	shift to multiplexer bit field
- * @width:	width of mutliplexer bit field
+ * @mask:	mask of mutliplexer bit field
  * @flags:	hardware-specific flags
  * @lock:	register lock
  *
@@ -510,6 +516,10 @@ struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name,
 		void __iomem *reg, u8 shift, u32 mask,
 		u8 clk_mux_flags, u32 *table, spinlock_t *lock);
 
+int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags,
+			 unsigned int val);
+unsigned int clk_mux_index_to_val(u32 *table, unsigned int flags, u8 index);
+
 void clk_unregister_mux(struct clk *clk);
 void clk_hw_unregister_mux(struct clk_hw *hw);
 
@@ -774,6 +784,17 @@ static inline long divider_round_rate(struct clk_hw *hw, unsigned long rate,
 					 rate, prate, table, width, flags);
 }
 
+static inline long divider_ro_round_rate(struct clk_hw *hw, unsigned long rate,
+					 unsigned long *prate,
+					 const struct clk_div_table *table,
+					 u8 width, unsigned long flags,
+					 unsigned int val)
+{
+	return divider_ro_round_rate_parent(hw, clk_hw_get_parent(hw),
+					    rate, prate, table, width, flags,
+					    val);
+}
+
 /*
  * FIXME clock api without lock protection
  */