1 // SPDX-License-Identifier: GPL-2.0
3  * Renesas R-Car Gen3 for USB3.0 PHY driver
65 	writew(val, r->base + USB30_CLKSET1);  in write_clkset1_for_usb_extal()
72 	switch (r->ssc_range) {  in rcar_gen3_phy_usb3_enable_ssc()
83 		dev_err(&r->phy->dev, "%s: unsupported range (%x)\n", __func__,  in rcar_gen3_phy_usb3_enable_ssc()
84 			r->ssc_range);  in rcar_gen3_phy_usb3_enable_ssc()
88 	writew(val, r->base + USB30_SSC_SET);  in rcar_gen3_phy_usb3_enable_ssc()
94 	if (r->ssc_range)  in rcar_gen3_phy_usb3_select_usb_extal()
97 	       r->base + USB30_CLKSET0);  in rcar_gen3_phy_usb3_select_usb_extal()
98 	writew(PHY_ENABLE_RESET_EN, r->base + USB30_PHY_ENABLE);  in rcar_gen3_phy_usb3_select_usb_extal()
108 	dev_vdbg(&r->phy->dev, "%s: enter (%d, %d, %d)\n", __func__,  in rcar_gen3_phy_usb3_init()
109 		 r->usb3s_clk, r->usb_extal, r->ssc_range);  in rcar_gen3_phy_usb3_init()
111 	if (!r->usb3s_clk && r->usb_extal)  in rcar_gen3_phy_usb3_init()
115 	writew(VBUS_EN_VBUS_EN, r->base + USB30_VBUS_EN);  in rcar_gen3_phy_usb3_init()
126 	{ .compatible = "renesas,rcar-gen3-usb3-phy" },
133 	struct device *dev = &pdev->dev;  in rcar_gen3_phy_usb3_probe()
139 	if (!dev->of_node) {  in rcar_gen3_phy_usb3_probe()
141 		return -EINVAL;  in rcar_gen3_phy_usb3_probe()
146 		return -ENOMEM;  in rcar_gen3_phy_usb3_probe()
148 	r->base = devm_platform_ioremap_resource(pdev, 0);  in rcar_gen3_phy_usb3_probe()
149 	if (IS_ERR(r->base))  in rcar_gen3_phy_usb3_probe()
150 		return PTR_ERR(r->base);  in rcar_gen3_phy_usb3_probe()
154 		r->usb3s_clk = !!clk_get_rate(clk);  in rcar_gen3_phy_usb3_probe()
159 		r->usb_extal = !!clk_get_rate(clk);  in rcar_gen3_phy_usb3_probe()
163 	if (!r->usb3s_clk && !r->usb_extal) {  in rcar_gen3_phy_usb3_probe()
165 		ret = -EINVAL;  in rcar_gen3_phy_usb3_probe()
170 	 * devm_phy_create() will call pm_runtime_enable(&phy->dev);  in rcar_gen3_phy_usb3_probe()
171 	 * And then, phy-core will manage runtime pm for this device.  in rcar_gen3_phy_usb3_probe()
175 	r->phy = devm_phy_create(dev, NULL, &rcar_gen3_phy_usb3_ops);  in rcar_gen3_phy_usb3_probe()
176 	if (IS_ERR(r->phy)) {  in rcar_gen3_phy_usb3_probe()
178 		ret = PTR_ERR(r->phy);  in rcar_gen3_phy_usb3_probe()
182 	of_property_read_u32(dev->of_node, "renesas,ssc-range", &r->ssc_range);  in rcar_gen3_phy_usb3_probe()
185 	phy_set_drvdata(r->phy, r);  in rcar_gen3_phy_usb3_probe()
204 	pm_runtime_disable(&pdev->dev);  in rcar_gen3_phy_usb3_remove()
218 MODULE_DESCRIPTION("Renesas R-Car Gen3 USB 3.0 PHY");