1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/phy/phy.h>
62 static int hix5hd2_sata_phy_init(struct phy *phy)  in hix5hd2_sata_phy_init()  argument
64 	struct hix5hd2_priv *priv = phy_get_drvdata(phy);  in hix5hd2_sata_phy_init()
68 	if (priv->peri_ctrl) {  in hix5hd2_sata_phy_init()
69 		ret = of_property_read_u32_array(phy->dev.of_node,  in hix5hd2_sata_phy_init()
70 						 "hisilicon,power-reg",  in hix5hd2_sata_phy_init()
73 			dev_err(&phy->dev, "Fail read hisilicon,power-reg\n");  in hix5hd2_sata_phy_init()
77 		regmap_update_bits(priv->peri_ctrl, data[0],  in hix5hd2_sata_phy_init()
81 	/* reset phy */  in hix5hd2_sata_phy_init()
82 	val = readl_relaxed(priv->base + SATA_PHY0_CTLL);  in hix5hd2_sata_phy_init()
86 	writel_relaxed(val, priv->base + SATA_PHY0_CTLL);  in hix5hd2_sata_phy_init()
89 	writel_relaxed(val, priv->base + SATA_PHY0_CTLL);  in hix5hd2_sata_phy_init()
91 	val = readl_relaxed(priv->base + SATA_PORT_PHYCTL1);  in hix5hd2_sata_phy_init()
96 	writel_relaxed(val, priv->base + SATA_PORT_PHYCTL1);  in hix5hd2_sata_phy_init()
98 	val = readl_relaxed(priv->base + SATA_PORT_PHYCTL2);  in hix5hd2_sata_phy_init()
103 	writel_relaxed(val, priv->base + SATA_PORT_PHYCTL2);  in hix5hd2_sata_phy_init()
106 	val = readl_relaxed(priv->base + SATA_PORT_PHYCTL);  in hix5hd2_sata_phy_init()
111 	writel_relaxed(val, priv->base + SATA_PORT_PHYCTL);  in hix5hd2_sata_phy_init()
118 	writel_relaxed(val, priv->base + SATA_PORT_PHYCTL);  in hix5hd2_sata_phy_init()
124 	writel_relaxed(val, priv->base + SATA_PORT_PHYCTL);  in hix5hd2_sata_phy_init()
137 	struct device *dev = &pdev->dev;  in hix5hd2_sata_phy_probe()
139 	struct phy *phy;  in hix5hd2_sata_phy_probe()  local
144 		return -ENOMEM;  in hix5hd2_sata_phy_probe()
148 		return -EINVAL;  in hix5hd2_sata_phy_probe()
150 	priv->base = devm_ioremap(dev, res->start, resource_size(res));  in hix5hd2_sata_phy_probe()
151 	if (!priv->base)  in hix5hd2_sata_phy_probe()
152 		return -ENOMEM;  in hix5hd2_sata_phy_probe()
154 	priv->peri_ctrl = syscon_regmap_lookup_by_phandle(dev->of_node,  in hix5hd2_sata_phy_probe()
155 					"hisilicon,peripheral-syscon");  in hix5hd2_sata_phy_probe()
156 	if (IS_ERR(priv->peri_ctrl))  in hix5hd2_sata_phy_probe()
157 		priv->peri_ctrl = NULL;  in hix5hd2_sata_phy_probe()
159 	phy = devm_phy_create(dev, NULL, &hix5hd2_sata_phy_ops);  in hix5hd2_sata_phy_probe()
160 	if (IS_ERR(phy)) {  in hix5hd2_sata_phy_probe()
161 		dev_err(dev, "failed to create PHY\n");  in hix5hd2_sata_phy_probe()
162 		return PTR_ERR(phy);  in hix5hd2_sata_phy_probe()
165 	phy_set_drvdata(phy, priv);  in hix5hd2_sata_phy_probe()
171 	{.compatible = "hisilicon,hix5hd2-sata-phy",},
179 		.name	= "hix5hd2-sata-phy",
186 MODULE_DESCRIPTION("HISILICON HIX5HD2 SATA PHY driver");
187 MODULE_ALIAS("platform:hix5hd2-sata-phy");