clk: sunxi-ng: gate: Add macros for referencing local clock parents (4b751ffa) · Commits · 戴 / test

With the new clk parenting code, clk_init_data was expanded to include .parent_hws, for clk drivers to directly reference parents by clk_hw, and .parent_data, for clk drivers to specify parents using a combination of device tree clock-names, pointers to struct clk_hw, device tree clocks, and/or fallback global clock names. Add four new macros: - SUNXI_CCU_GATE_HW, that can take a struct clk_hw pointer, instead of a string, as its parent. - SUNXI_CCU_GATE_FW that takes a string to match a clock-names entry in the device tree to specify the clock parent. - SUNXI_CCU_GATE_HWS that takes an array of struct clk_hw * as its parent. This allows the array to be shared with other clk declarations. - SUNXI_CCU_GATE_DATA that takes an array of struct clk_parent_data * as its parent. This allows the array to be shared with other clk declarations. Acked-by:

Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by:

Chen-Yu Tsai <wens@csie.org>

drivers/clk/sunxi-ng/ccu_gate.h

+53 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,59 @@ struct ccu_gate {
		} \
		}

		#define SUNXI_CCU_GATE_HW(_struct, _name, _parent, _reg, _gate, _flags) \
		struct ccu_gate _struct = { \
		.enable = _gate, \
		.common = { \
		.reg = _reg, \
		.hw.init = CLK_HW_INIT_HW(_name, \
		_parent, \
		&ccu_gate_ops, \
		_flags), \
		} \
		}

		#define SUNXI_CCU_GATE_FW(_struct, _name, _parent, _reg, _gate, _flags) \
		struct ccu_gate _struct = { \
		.enable = _gate, \
		.common = { \
		.reg = _reg, \
		.hw.init = CLK_HW_INIT_FW_NAME(_name, \
		_parent, \
		&ccu_gate_ops, \
		_flags), \
		} \
		}

		/*
		* The following two macros allow the re-use of the data structure
		* holding the parent info.
		*/
		#define SUNXI_CCU_GATE_HWS(_struct, _name, _parent, _reg, _gate, _flags) \
		struct ccu_gate _struct = { \
		.enable = _gate, \
		.common = { \
		.reg = _reg, \
		.hw.init = CLK_HW_INIT_HWS(_name, \
		_parent, \
		&ccu_gate_ops, \
		_flags), \
		} \
		}

		#define SUNXI_CCU_GATE_DATA(_struct, _name, _data, _reg, _gate, _flags) \
		struct ccu_gate _struct = { \
		.enable = _gate, \
		.common = { \
		.reg = _reg, \
		.hw.init = \
		CLK_HW_INIT_PARENTS_DATA(_name, \
		_data, \
		&ccu_gate_ops, \
		_flags), \
		} \
		}

		static inline struct ccu_gate hw_to_ccu_gate(struct clk_hw hw)
		{
		struct ccu_common *common = hw_to_ccu_common(hw);

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