1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/clk-provider.h>
30 	struct visconti_clk_gate *gate = to_visconti_clk_gate(hw);  in visconti_gate_clk_is_enabled()  local
31 	u32 clk = BIT(gate->ck_idx);  in visconti_gate_clk_is_enabled()  local
34 	regmap_read(gate->regmap, gate->ckon_offset, &val);  in visconti_gate_clk_is_enabled()
35 	return (val & clk) ? 1 : 0;  in visconti_gate_clk_is_enabled()
40 	struct visconti_clk_gate *gate = to_visconti_clk_gate(hw);  in visconti_gate_clk_disable()  local
41 	u32 clk = BIT(gate->ck_idx);  in visconti_gate_clk_disable()  local
44 	spin_lock_irqsave(gate->lock, flags);  in visconti_gate_clk_disable()
47 		spin_unlock_irqrestore(gate->lock, flags);  in visconti_gate_clk_disable()
51 	regmap_update_bits(gate->regmap, gate->ckoff_offset, clk, clk);  in visconti_gate_clk_disable()
52 	spin_unlock_irqrestore(gate->lock, flags);  in visconti_gate_clk_disable()
57 	struct visconti_clk_gate *gate = to_visconti_clk_gate(hw);  in visconti_gate_clk_enable()  local
58 	u32 clk = BIT(gate->ck_idx);  in visconti_gate_clk_enable()  local
61 	spin_lock_irqsave(gate->lock, flags);  in visconti_gate_clk_enable()
62 	regmap_update_bits(gate->regmap, gate->ckon_offset, clk, clk);  in visconti_gate_clk_enable()
63 	spin_unlock_irqrestore(gate->lock, flags);  in visconti_gate_clk_enable()
84 	struct visconti_clk_gate *gate;  in visconti_clk_register_gate()  local
92 		return ERR_PTR(-ENOMEM);  in visconti_clk_register_gate()
94 	pdata->name = pdata->fw_name = parent_name;  in visconti_clk_register_gate()
96 	gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL);  in visconti_clk_register_gate()
97 	if (!gate)  in visconti_clk_register_gate()
98 		return ERR_PTR(-ENOMEM);  in visconti_clk_register_gate()
102 	init.flags = clks->flags;  in visconti_clk_register_gate()
106 	gate->regmap = regmap;  in visconti_clk_register_gate()
107 	gate->ckon_offset = clks->ckon_offset;  in visconti_clk_register_gate()
108 	gate->ckoff_offset = clks->ckoff_offset;  in visconti_clk_register_gate()
109 	gate->ck_idx = clks->ck_idx;  in visconti_clk_register_gate()
110 	gate->rson_offset = rson_offset;  in visconti_clk_register_gate()
111 	gate->rsoff_offset = rsoff_offset;  in visconti_clk_register_gate()
112 	gate->rs_idx = rs_idx;  in visconti_clk_register_gate()
113 	gate->lock = lock;  in visconti_clk_register_gate()
114 	gate->hw.init = &init;  in visconti_clk_register_gate()
116 	hw = &gate->hw;  in visconti_clk_register_gate()
130 	struct device *dev = ctx->dev;  in visconti_clk_register_gates()
144 			return -ENOMEM;  in visconti_clk_register_gates()
148 			return -ENOMEM;  in visconti_clk_register_gates()
155 			rson_offset = rsoff_offset = rs_idx = -1;  in visconti_clk_register_gates()
169 						      ctx->regmap,  in visconti_clk_register_gates()
181 		ctx->clk_data.hws[clks[i].id] = gate_clk;  in visconti_clk_register_gates()
196 		return ERR_PTR(-ENOMEM);  in visconti_init_clk()
199 		ctx->clk_data.hws[i] = ERR_PTR(-ENOENT);  in visconti_init_clk()
200 	ctx->clk_data.num = nr_clks;  in visconti_init_clk()
202 	ctx->dev = dev;  in visconti_init_clk()
203 	ctx->regmap = regmap;  in visconti_init_clk()