1 // SPDX-License-Identifier: GPL-2.0+
8 #include <linux/clk-provider.h>
14 #include "clk-scu.h"
23  * struct clk_lpcg_scu - Description of LPCG clock
26  * @reg: register of this LPCG clock
34 	void __iomem *reg;  member
45 	u32 reg, val;  in clk_lpcg_scu_enable()  local
49 	reg = readl_relaxed(clk->reg);  in clk_lpcg_scu_enable()
50 	reg &= ~(CLK_GATE_SCU_LPCG_MASK << clk->bit_idx);  in clk_lpcg_scu_enable()
53 	if (clk->hw_gate)  in clk_lpcg_scu_enable()
56 	reg |= val << clk->bit_idx;  in clk_lpcg_scu_enable()
57 	writel(reg, clk->reg);  in clk_lpcg_scu_enable()
68 	u32 reg;  in clk_lpcg_scu_disable()  local
72 	reg = readl_relaxed(clk->reg);  in clk_lpcg_scu_disable()
73 	reg &= ~(CLK_GATE_SCU_LPCG_MASK << clk->bit_idx);  in clk_lpcg_scu_disable()
74 	writel(reg, clk->reg);  in clk_lpcg_scu_disable()
85 				unsigned long flags, void __iomem *reg,  in imx_clk_lpcg_scu()  argument
89 	struct clk_init_data init;  in imx_clk_lpcg_scu()  local
95 		return ERR_PTR(-ENOMEM);  in imx_clk_lpcg_scu()
97 	clk->reg = reg;  in imx_clk_lpcg_scu()
98 	clk->bit_idx = bit_idx;  in imx_clk_lpcg_scu()
99 	clk->hw_gate = hw_gate;  in imx_clk_lpcg_scu()
101 	init.name = name;  in imx_clk_lpcg_scu()
102 	init.ops = &clk_lpcg_scu_ops;  in imx_clk_lpcg_scu()
103 	init.flags = CLK_SET_RATE_PARENT | flags;  in imx_clk_lpcg_scu()
104 	init.parent_names = parent_name ? &parent_name : NULL;  in imx_clk_lpcg_scu()
105 	init.num_parents = parent_name ? 1 : 0;  in imx_clk_lpcg_scu()
107 	clk->hw.init = &init;  in imx_clk_lpcg_scu()
109 	hw = &clk->hw;  in imx_clk_lpcg_scu()