1 // SPDX-License-Identifier: GPL-2.0-or-later
18 #include <linux/phy/phy.h>
24 	struct phy		*phy;  member
30 static int ipq4019_ss_phy_power_off(struct phy *_phy)  in ipq4019_ss_phy_power_off()
32 	struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);  in ipq4019_ss_phy_power_off()  local
34 	reset_control_assert(phy->por_rst);  in ipq4019_ss_phy_power_off()
40 static int ipq4019_ss_phy_power_on(struct phy *_phy)  in ipq4019_ss_phy_power_on()
42 	struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);  in ipq4019_ss_phy_power_on()  local
46 	reset_control_deassert(phy->por_rst);  in ipq4019_ss_phy_power_on()
56 static int ipq4019_hs_phy_power_off(struct phy *_phy)  in ipq4019_hs_phy_power_off()
58 	struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);  in ipq4019_hs_phy_power_off()  local
60 	reset_control_assert(phy->por_rst);  in ipq4019_hs_phy_power_off()
63 	reset_control_assert(phy->srif_rst);  in ipq4019_hs_phy_power_off()
69 static int ipq4019_hs_phy_power_on(struct phy *_phy)  in ipq4019_hs_phy_power_on()
71 	struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);  in ipq4019_hs_phy_power_on()  local
75 	reset_control_deassert(phy->srif_rst);  in ipq4019_hs_phy_power_on()
78 	reset_control_deassert(phy->por_rst);  in ipq4019_hs_phy_power_on()
89 	{ .compatible = "qcom,usb-hs-ipq4019-phy", .data = &ipq4019_usb_hs_phy_ops},
90 	{ .compatible = "qcom,usb-ss-ipq4019-phy", .data = &ipq4019_usb_ss_phy_ops},
97 	struct device *dev = &pdev->dev;  in ipq4019_usb_phy_probe()
99 	struct ipq4019_usb_phy *phy;  in ipq4019_usb_phy_probe()  local
101 	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);  in ipq4019_usb_phy_probe()
102 	if (!phy)  in ipq4019_usb_phy_probe()
103 		return -ENOMEM;  in ipq4019_usb_phy_probe()
105 	phy->dev = &pdev->dev;  in ipq4019_usb_phy_probe()
106 	phy->base = devm_platform_ioremap_resource(pdev, 0);  in ipq4019_usb_phy_probe()
107 	if (IS_ERR(phy->base)) {  in ipq4019_usb_phy_probe()
109 		return PTR_ERR(phy->base);  in ipq4019_usb_phy_probe()
112 	phy->por_rst = devm_reset_control_get(phy->dev, "por_rst");  in ipq4019_usb_phy_probe()
113 	if (IS_ERR(phy->por_rst)) {  in ipq4019_usb_phy_probe()
114 		if (PTR_ERR(phy->por_rst) != -EPROBE_DEFER)  in ipq4019_usb_phy_probe()
116 		return PTR_ERR(phy->por_rst);  in ipq4019_usb_phy_probe()
119 	phy->srif_rst = devm_reset_control_get_optional(phy->dev, "srif_rst");  in ipq4019_usb_phy_probe()
120 	if (IS_ERR(phy->srif_rst))  in ipq4019_usb_phy_probe()
121 		return PTR_ERR(phy->srif_rst);  in ipq4019_usb_phy_probe()
123 	phy->phy = devm_phy_create(dev, NULL, of_device_get_match_data(dev));  in ipq4019_usb_phy_probe()
124 	if (IS_ERR(phy->phy)) {  in ipq4019_usb_phy_probe()
125 		dev_err(dev, "failed to create PHY\n");  in ipq4019_usb_phy_probe()
126 		return PTR_ERR(phy->phy);  in ipq4019_usb_phy_probe()
128 	phy_set_drvdata(phy->phy, phy);  in ipq4019_usb_phy_probe()
139 		.name  = "ipq4019-usb-phy",
144 MODULE_DESCRIPTION("QCOM/IPQ4019 USB phy driver");