1 // SPDX-License-Identifier: GPL-2.0
7 #include "phy-mtk-hdmi.h"
9 static int mtk_hdmi_phy_power_on(struct phy *phy);
10 static int mtk_hdmi_phy_power_off(struct phy *phy);
21 	void __iomem *reg = hdmi_phy->regs + offset;  in mtk_hdmi_phy_clear_bits()
32 	void __iomem *reg = hdmi_phy->regs + offset;  in mtk_hdmi_phy_set_bits()
43 	void __iomem *reg = hdmi_phy->regs + offset;  in mtk_hdmi_phy_mask()
56 static int mtk_hdmi_phy_power_on(struct phy *phy)  in mtk_hdmi_phy_power_on()  argument
58 	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);  in mtk_hdmi_phy_power_on()
61 	ret = clk_prepare_enable(hdmi_phy->pll);  in mtk_hdmi_phy_power_on()
65 	hdmi_phy->conf->hdmi_phy_enable_tmds(hdmi_phy);  in mtk_hdmi_phy_power_on()
69 static int mtk_hdmi_phy_power_off(struct phy *phy)  in mtk_hdmi_phy_power_off()  argument
71 	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);  in mtk_hdmi_phy_power_off()
73 	hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);  in mtk_hdmi_phy_power_off()
74 	clk_disable_unprepare(hdmi_phy->pll);  in mtk_hdmi_phy_power_off()
82 	if (hdmi_phy && hdmi_phy->conf &&  in mtk_hdmi_phy_dev_get_ops()
83 	    hdmi_phy->conf->hdmi_phy_enable_tmds &&  in mtk_hdmi_phy_dev_get_ops()
84 	    hdmi_phy->conf->hdmi_phy_disable_tmds)  in mtk_hdmi_phy_dev_get_ops()
88 		dev_err(hdmi_phy->dev, "Failed to get dev ops of phy\n");  in mtk_hdmi_phy_dev_get_ops()
95 	clk_init->flags = hdmi_phy->conf->flags;  in mtk_hdmi_phy_clk_get_data()
96 	clk_init->ops = hdmi_phy->conf->hdmi_phy_clk_ops;  in mtk_hdmi_phy_clk_get_data()
101 	struct device *dev = &pdev->dev;  in mtk_hdmi_phy_probe()
110 	struct phy *phy;  in mtk_hdmi_phy_probe()  local
116 		return -ENOMEM;  in mtk_hdmi_phy_probe()
118 	hdmi_phy->regs = devm_platform_ioremap_resource(pdev, 0);  in mtk_hdmi_phy_probe()
119 	if (IS_ERR(hdmi_phy->regs))  in mtk_hdmi_phy_probe()
120 		return PTR_ERR(hdmi_phy->regs);  in mtk_hdmi_phy_probe()
125 		dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",  in mtk_hdmi_phy_probe()
131 	ret = of_property_read_string(dev->of_node, "clock-output-names",  in mtk_hdmi_phy_probe()
134 		dev_err(dev, "Failed to read clock-output-names: %d\n", ret);  in mtk_hdmi_phy_probe()
138 	hdmi_phy->dev = dev;  in mtk_hdmi_phy_probe()
139 	hdmi_phy->conf =  in mtk_hdmi_phy_probe()
142 	hdmi_phy->pll_hw.init = &clk_init;  in mtk_hdmi_phy_probe()
143 	hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);  in mtk_hdmi_phy_probe()
144 	if (IS_ERR(hdmi_phy->pll)) {  in mtk_hdmi_phy_probe()
145 		ret = PTR_ERR(hdmi_phy->pll);  in mtk_hdmi_phy_probe()
150 	ret = of_property_read_u32(dev->of_node, "mediatek,ibias",  in mtk_hdmi_phy_probe()
151 				   &hdmi_phy->ibias);  in mtk_hdmi_phy_probe()
153 		dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);  in mtk_hdmi_phy_probe()
157 	ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",  in mtk_hdmi_phy_probe()
158 				   &hdmi_phy->ibias_up);  in mtk_hdmi_phy_probe()
160 		dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);  in mtk_hdmi_phy_probe()
165 	hdmi_phy->drv_imp_clk = 0x30;  in mtk_hdmi_phy_probe()
166 	hdmi_phy->drv_imp_d2 = 0x30;  in mtk_hdmi_phy_probe()
167 	hdmi_phy->drv_imp_d1 = 0x30;  in mtk_hdmi_phy_probe()
168 	hdmi_phy->drv_imp_d0 = 0x30;  in mtk_hdmi_phy_probe()
170 	phy = devm_phy_create(dev, NULL, mtk_hdmi_phy_dev_get_ops(hdmi_phy));  in mtk_hdmi_phy_probe()
171 	if (IS_ERR(phy)) {  in mtk_hdmi_phy_probe()
172 		dev_err(dev, "Failed to create HDMI PHY\n");  in mtk_hdmi_phy_probe()
173 		return PTR_ERR(phy);  in mtk_hdmi_phy_probe()
175 	phy_set_drvdata(phy, hdmi_phy);  in mtk_hdmi_phy_probe()
179 		dev_err(dev, "Failed to register HDMI PHY\n");  in mtk_hdmi_phy_probe()
183 	if (hdmi_phy->conf->pll_default_off)  in mtk_hdmi_phy_probe()
184 		hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);  in mtk_hdmi_phy_probe()
186 	return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,  in mtk_hdmi_phy_probe()
187 				   hdmi_phy->pll);  in mtk_hdmi_phy_probe()
191 	{ .compatible = "mediatek,mt2701-hdmi-phy",
194 	{ .compatible = "mediatek,mt8173-hdmi-phy",
204 		.name = "mediatek-hdmi-phy",
210 MODULE_DESCRIPTION("MediaTek HDMI PHY Driver");