1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #include <linux/clk-provider.h>
16 static int clk_busy_wait(void __iomem *reg, u8 shift)  in clk_busy_wait()  argument
20 	while (readl_relaxed(reg) & (1 << shift))  in clk_busy_wait()
22 			return -ETIMEDOUT;  in clk_busy_wait()
30 	void __iomem *reg;  member
31 	u8 shift;  member
46 	return busy->div_ops->recalc_rate(&busy->div.hw, parent_rate);  in clk_busy_divider_recalc_rate()
54 	return busy->div_ops->round_rate(&busy->div.hw, rate, prate);  in clk_busy_divider_round_rate()
63 	ret = busy->div_ops->set_rate(&busy->div.hw, rate, parent_rate);  in clk_busy_divider_set_rate()
65 		ret = clk_busy_wait(busy->reg, busy->shift);  in clk_busy_divider_set_rate()
77 				 void __iomem *reg, u8 shift, u8 width,  in imx_clk_hw_busy_divider()  argument
87 		return ERR_PTR(-ENOMEM);  in imx_clk_hw_busy_divider()
89 	busy->reg = busy_reg;  in imx_clk_hw_busy_divider()
90 	busy->shift = busy_shift;  in imx_clk_hw_busy_divider()
92 	busy->div.reg = reg;  in imx_clk_hw_busy_divider()
93 	busy->div.shift = shift;  in imx_clk_hw_busy_divider()
94 	busy->div.width = width;  in imx_clk_hw_busy_divider()
95 	busy->div.lock = &imx_ccm_lock;  in imx_clk_hw_busy_divider()
96 	busy->div_ops = &clk_divider_ops;  in imx_clk_hw_busy_divider()
104 	busy->div.hw.init = &init;  in imx_clk_hw_busy_divider()
106 	hw = &busy->div.hw;  in imx_clk_hw_busy_divider()
120 	void __iomem *reg;  member
121 	u8 shift;  member
135 	return busy->mux_ops->get_parent(&busy->mux.hw);  in clk_busy_mux_get_parent()
143 	ret = busy->mux_ops->set_parent(&busy->mux.hw, index);  in clk_busy_mux_set_parent()
145 		ret = clk_busy_wait(busy->reg, busy->shift);  in clk_busy_mux_set_parent()
156 struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,  in imx_clk_hw_busy_mux()  argument
167 		return ERR_PTR(-ENOMEM);  in imx_clk_hw_busy_mux()
169 	busy->reg = busy_reg;  in imx_clk_hw_busy_mux()
170 	busy->shift = busy_shift;  in imx_clk_hw_busy_mux()
172 	busy->mux.reg = reg;  in imx_clk_hw_busy_mux()
173 	busy->mux.shift = shift;  in imx_clk_hw_busy_mux()
174 	busy->mux.mask = BIT(width) - 1;  in imx_clk_hw_busy_mux()
175 	busy->mux.lock = &imx_ccm_lock;  in imx_clk_hw_busy_mux()
176 	busy->mux_ops = &clk_mux_ops;  in imx_clk_hw_busy_mux()
184 	busy->mux.hw.init = &init;  in imx_clk_hw_busy_mux()
186 	hw = &busy->mux.hw;  in imx_clk_hw_busy_mux()