1 // SPDX-License-Identifier: GPL-2.0+
14 #include <dt-bindings/clock/sun8i-tcon-top.h>
34 	if (!sun8i_tcon_top_node_is_tcon_top(dev->of_node)) {  in sun8i_tcon_top_set_hdmi_src()
36 		return -EINVAL;  in sun8i_tcon_top_set_hdmi_src()
41 		return -EINVAL;  in sun8i_tcon_top_set_hdmi_src()
44 	spin_lock_irqsave(&tcon_top->reg_lock, flags);  in sun8i_tcon_top_set_hdmi_src()
46 	val = readl(tcon_top->regs + TCON_TOP_GATE_SRC_REG);  in sun8i_tcon_top_set_hdmi_src()
48 	val |= FIELD_PREP(TCON_TOP_HDMI_SRC_MSK, tcon - 1);  in sun8i_tcon_top_set_hdmi_src()
49 	writel(val, tcon_top->regs + TCON_TOP_GATE_SRC_REG);  in sun8i_tcon_top_set_hdmi_src()
51 	spin_unlock_irqrestore(&tcon_top->reg_lock, flags);  in sun8i_tcon_top_set_hdmi_src()
63 	if (!sun8i_tcon_top_node_is_tcon_top(dev->of_node)) {  in sun8i_tcon_top_de_config()
65 		return -EINVAL;  in sun8i_tcon_top_de_config()
70 		return -EINVAL;  in sun8i_tcon_top_de_config()
75 		return -EINVAL;  in sun8i_tcon_top_de_config()
78 	spin_lock_irqsave(&tcon_top->reg_lock, flags);  in sun8i_tcon_top_de_config()
80 	reg = readl(tcon_top->regs + TCON_TOP_PORT_SEL_REG);  in sun8i_tcon_top_de_config()
88 	writel(reg, tcon_top->regs + TCON_TOP_PORT_SEL_REG);  in sun8i_tcon_top_de_config()
90 	spin_unlock_irqrestore(&tcon_top->reg_lock, flags);  in sun8i_tcon_top_de_config()
106 	index = of_property_match_string(dev->of_node, "clock-names", parent);  in sun8i_tcon_top_register_gate()
110 	parent_name = of_clk_get_parent_name(dev->of_node, index);  in sun8i_tcon_top_register_gate()
112 	ret = of_property_read_string_index(dev->of_node,  in sun8i_tcon_top_register_gate()
113 					    "clock-output-names", name_index,  in sun8i_tcon_top_register_gate()
134 	quirks = of_device_get_match_data(&pdev->dev);  in sun8i_tcon_top_bind()
138 		return -ENOMEM;  in sun8i_tcon_top_bind()
143 		return -ENOMEM;  in sun8i_tcon_top_bind()
144 	clk_data->num = CLK_NUM;  in sun8i_tcon_top_bind()
145 	tcon_top->clk_data = clk_data;  in sun8i_tcon_top_bind()
147 	spin_lock_init(&tcon_top->reg_lock);  in sun8i_tcon_top_bind()
149 	tcon_top->rst = devm_reset_control_get(dev, NULL);  in sun8i_tcon_top_bind()
150 	if (IS_ERR(tcon_top->rst)) {  in sun8i_tcon_top_bind()
152 		return PTR_ERR(tcon_top->rst);  in sun8i_tcon_top_bind()
155 	tcon_top->bus = devm_clk_get(dev, "bus");  in sun8i_tcon_top_bind()
156 	if (IS_ERR(tcon_top->bus)) {  in sun8i_tcon_top_bind()
158 		return PTR_ERR(tcon_top->bus);  in sun8i_tcon_top_bind()
162 	tcon_top->regs = regs;  in sun8i_tcon_top_bind()
166 	ret = reset_control_deassert(tcon_top->rst);  in sun8i_tcon_top_bind()
168 		dev_err(dev, "Could not deassert ctrl reset control\n");  in sun8i_tcon_top_bind()
172 	ret = clk_prepare_enable(tcon_top->bus);  in sun8i_tcon_top_bind()
194 	clk_data->hws[CLK_TCON_TOP_TV0] =  in sun8i_tcon_top_bind()
195 		sun8i_tcon_top_register_gate(dev, "tcon-tv0", regs,  in sun8i_tcon_top_bind()
196 					     &tcon_top->reg_lock,  in sun8i_tcon_top_bind()
199 	if (quirks->has_tcon_tv1)  in sun8i_tcon_top_bind()
200 		clk_data->hws[CLK_TCON_TOP_TV1] =  in sun8i_tcon_top_bind()
201 			sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs,  in sun8i_tcon_top_bind()
202 						     &tcon_top->reg_lock,  in sun8i_tcon_top_bind()
205 	if (quirks->has_dsi)  in sun8i_tcon_top_bind()
206 		clk_data->hws[CLK_TCON_TOP_DSI] =  in sun8i_tcon_top_bind()
208 						     &tcon_top->reg_lock,  in sun8i_tcon_top_bind()
212 		if (IS_ERR(clk_data->hws[i])) {  in sun8i_tcon_top_bind()
213 			ret = PTR_ERR(clk_data->hws[i]);  in sun8i_tcon_top_bind()
217 	ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,  in sun8i_tcon_top_bind()
228 		if (!IS_ERR_OR_NULL(clk_data->hws[i]))  in sun8i_tcon_top_bind()
229 			clk_hw_unregister_gate(clk_data->hws[i]);  in sun8i_tcon_top_bind()
230 	clk_disable_unprepare(tcon_top->bus);  in sun8i_tcon_top_bind()
232 	reset_control_assert(tcon_top->rst);  in sun8i_tcon_top_bind()
241 	struct clk_hw_onecell_data *clk_data = tcon_top->clk_data;  in sun8i_tcon_top_unbind()
244 	of_clk_del_provider(dev->of_node);  in sun8i_tcon_top_unbind()
246 		if (clk_data->hws[i])  in sun8i_tcon_top_unbind()
247 			clk_hw_unregister_gate(clk_data->hws[i]);  in sun8i_tcon_top_unbind()
249 	clk_disable_unprepare(tcon_top->bus);  in sun8i_tcon_top_unbind()
250 	reset_control_assert(tcon_top->rst);  in sun8i_tcon_top_unbind()
260 	return component_add(&pdev->dev, &sun8i_tcon_top_ops);  in sun8i_tcon_top_probe()
265 	component_del(&pdev->dev, &sun8i_tcon_top_ops);  in sun8i_tcon_top_remove()
284 		.compatible = "allwinner,sun8i-r40-tcon-top",
288 		.compatible = "allwinner,sun20i-d1-tcon-top",
292 		.compatible = "allwinner,sun50i-h6-tcon-top",
304 		.name		= "sun8i-tcon-top",