1 // SPDX-License-Identifier: GPL-2.0
79 #define PORT_REGS(p)				((p)->priv->regs + (p)->id * 0x1000)
82  * struct mvebu_cp110_utmi - PHY driver data
97  * struct mvebu_cp110_utmi_port - PHY port data
155 	 * Set Control VDAT Reference Voltage - 0.325V and  in mvebu_cp110_utmi_port_setup()
156 	 * Control VSRC Reference Voltage - 0.6V  in mvebu_cp110_utmi_port_setup()
167 	struct mvebu_cp110_utmi *utmi = port->priv;  in mvebu_cp110_utmi_phy_power_off()
170 	/* Power down UTMI PHY port */  in mvebu_cp110_utmi_phy_power_off()
171 	regmap_clear_bits(utmi->syscon, SYSCON_UTMI_CFG_REG(port->id),  in mvebu_cp110_utmi_phy_power_off()
175 		int test = regmap_test_bits(utmi->syscon,  in mvebu_cp110_utmi_phy_power_off()
178 		/* skip PLL shutdown if there are active UTMI PHY ports */  in mvebu_cp110_utmi_phy_power_off()
183 	/* PLL Power down if all UTMI PHYs are down */  in mvebu_cp110_utmi_phy_power_off()
184 	regmap_clear_bits(utmi->syscon, SYSCON_USB_CFG_REG, USB_CFG_PLL_MASK);  in mvebu_cp110_utmi_phy_power_off()
192 	struct mvebu_cp110_utmi *utmi = port->priv;  in mvebu_cp110_utmi_phy_power_on()
193 	struct device *dev = &phy->dev;  in mvebu_cp110_utmi_phy_power_on()
197 	/* It is necessary to power off UTMI before configuration */  in mvebu_cp110_utmi_phy_power_on()
200 		dev_err(dev, "UTMI power OFF before power ON failed\n");  in mvebu_cp110_utmi_phy_power_on()
210 	if (port->dr_mode == USB_DR_MODE_PERIPHERAL) {  in mvebu_cp110_utmi_phy_power_on()
211 		regmap_update_bits(utmi->syscon, SYSCON_USB_CFG_REG,  in mvebu_cp110_utmi_phy_power_on()
214 				   (port->id << USB_CFG_DEVICE_MUX_OFFSET));  in mvebu_cp110_utmi_phy_power_on()
222 	/* Wait for UTMI power down */  in mvebu_cp110_utmi_phy_power_on()
228 	/* Power UP UTMI PHY */  in mvebu_cp110_utmi_phy_power_on()
229 	regmap_set_bits(utmi->syscon, SYSCON_UTMI_CFG_REG(port->id),  in mvebu_cp110_utmi_phy_power_on()
264 	/* PLL Power up */  in mvebu_cp110_utmi_phy_power_on()
265 	regmap_set_bits(utmi->syscon, SYSCON_USB_CFG_REG, USB_CFG_PLL_MASK);  in mvebu_cp110_utmi_phy_power_on()
277 	{ .compatible = "marvell,cp110-utmi-phy" },
284 	struct device *dev = &pdev->dev;  in mvebu_cp110_utmi_phy_probe()
292 		return -ENOMEM;  in mvebu_cp110_utmi_phy_probe()
294 	utmi->dev = dev;  in mvebu_cp110_utmi_phy_probe()
297 	utmi->syscon = syscon_regmap_lookup_by_phandle(dev->of_node,  in mvebu_cp110_utmi_phy_probe()
298 						       "marvell,system-controller");  in mvebu_cp110_utmi_phy_probe()
299 	if (IS_ERR(utmi->syscon)) {  in mvebu_cp110_utmi_phy_probe()
301 		return PTR_ERR(utmi->syscon);  in mvebu_cp110_utmi_phy_probe()
305 	utmi->regs = devm_platform_ioremap_resource(pdev, 0);  in mvebu_cp110_utmi_phy_probe()
306 	if (IS_ERR(utmi->regs))  in mvebu_cp110_utmi_phy_probe()
307 		return PTR_ERR(utmi->regs);  in mvebu_cp110_utmi_phy_probe()
309 	for_each_available_child_of_node(dev->of_node, child) {  in mvebu_cp110_utmi_phy_probe()
326 			return -ENOMEM;  in mvebu_cp110_utmi_phy_probe()
329 		port->dr_mode = of_usb_get_dr_mode_by_phy(child, -1);  in mvebu_cp110_utmi_phy_probe()
330 		if ((port->dr_mode != USB_DR_MODE_HOST) &&  in mvebu_cp110_utmi_phy_probe()
331 		    (port->dr_mode != USB_DR_MODE_PERIPHERAL)) {  in mvebu_cp110_utmi_phy_probe()
332 			dev_err(&pdev->dev,  in mvebu_cp110_utmi_phy_probe()
335 			port->dr_mode = USB_DR_MODE_HOST;  in mvebu_cp110_utmi_phy_probe()
338 		if (port->dr_mode == USB_DR_MODE_PERIPHERAL) {  in mvebu_cp110_utmi_phy_probe()
344 				port->dr_mode = USB_DR_MODE_HOST;  in mvebu_cp110_utmi_phy_probe()
349 		utmi->ops = &mvebu_cp110_utmi_phy_ops;  in mvebu_cp110_utmi_phy_probe()
352 		phy = devm_phy_create(dev, child, utmi->ops);  in mvebu_cp110_utmi_phy_probe()
359 		port->priv = utmi;  in mvebu_cp110_utmi_phy_probe()
360 		port->id = port_id;  in mvebu_cp110_utmi_phy_probe()
376 		.name		= "mvebu-cp110-utmi-phy",