1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * Copyright (c) 2012-2013 Hisilicon Limited.
6  * Copyright (c) 2012-2013 Linaro Limited.
13 #include <linux/clk-provider.h>
36 	u32 reg;  in clkgate_separated_enable()  local
39 	if (sclk->lock)  in clkgate_separated_enable()
40 		spin_lock_irqsave(sclk->lock, flags);  in clkgate_separated_enable()
41 	reg = BIT(sclk->bit_idx);  in clkgate_separated_enable()
42 	writel_relaxed(reg, sclk->enable);  in clkgate_separated_enable()
43 	readl_relaxed(sclk->enable + CLKGATE_SEPERATED_STATUS);  in clkgate_separated_enable()
44 	if (sclk->lock)  in clkgate_separated_enable()
45 		spin_unlock_irqrestore(sclk->lock, flags);  in clkgate_separated_enable()
53 	u32 reg;  in clkgate_separated_disable()  local
56 	if (sclk->lock)  in clkgate_separated_disable()
57 		spin_lock_irqsave(sclk->lock, flags);  in clkgate_separated_disable()
58 	reg = BIT(sclk->bit_idx);  in clkgate_separated_disable()
59 	writel_relaxed(reg, sclk->enable + CLKGATE_SEPERATED_DISABLE);  in clkgate_separated_disable()
60 	readl_relaxed(sclk->enable + CLKGATE_SEPERATED_STATUS);  in clkgate_separated_disable()
61 	if (sclk->lock)  in clkgate_separated_disable()
62 		spin_unlock_irqrestore(sclk->lock, flags);  in clkgate_separated_disable()
68 	u32 reg;  in clkgate_separated_is_enabled()  local
71 	reg = readl_relaxed(sclk->enable + CLKGATE_SEPERATED_STATUS);  in clkgate_separated_is_enabled()
72 	reg &= BIT(sclk->bit_idx);  in clkgate_separated_is_enabled()
74 	return reg ? 1 : 0;  in clkgate_separated_is_enabled()
86 				      void __iomem *reg, u8 bit_idx,  in hisi_register_clkgate_sep()  argument
91 	struct clk_init_data init;  in hisi_register_clkgate_sep()  local
95 		return ERR_PTR(-ENOMEM);  in hisi_register_clkgate_sep()
97 	init.name = name;  in hisi_register_clkgate_sep()
98 	init.ops = &clkgate_separated_ops;  in hisi_register_clkgate_sep()
99 	init.flags = flags;  in hisi_register_clkgate_sep()
100 	init.parent_names = (parent_name ? &parent_name : NULL);  in hisi_register_clkgate_sep()
101 	init.num_parents = (parent_name ? 1 : 0);  in hisi_register_clkgate_sep()
103 	sclk->enable = reg + CLKGATE_SEPERATED_ENABLE;  in hisi_register_clkgate_sep()
104 	sclk->bit_idx = bit_idx;  in hisi_register_clkgate_sep()
105 	sclk->flags = clk_gate_flags;  in hisi_register_clkgate_sep()
106 	sclk->hw.init = &init;  in hisi_register_clkgate_sep()
107 	sclk->lock = lock;  in hisi_register_clkgate_sep()
109 	clk = clk_register(dev, &sclk->hw);  in hisi_register_clkgate_sep()