1 // SPDX-License-Identifier: GPL-2.0
48 /* Armada 3700 USB miscellaneous registers */
59  * struct mvebu_a3700_utmi_caps - PHY capabilities
62  *           - The UTMI PHY wired to the USB3/USB2 controller (otg)
63  *           - The UTMI PHY wired to the USB2 controller (host only)
72  * struct mvebu_a3700_utmi - PHY driver data
75  * @usb_misc: Regmap with USB miscellaneous registers including PHY ones
89 	struct device *dev = &phy->dev;  in mvebu_a3700_utmi_phy_power_on()
90 	int usb32 = utmi->caps->usb32;  in mvebu_a3700_utmi_phy_power_on()
92 	u32 reg;  in mvebu_a3700_utmi_phy_power_on()  local
98 	reg = readl(utmi->regs + USB2_PHY_PLL_CTRL_REG0);  in mvebu_a3700_utmi_phy_power_on()
99 	reg &= ~(PLL_REF_DIV_MASK | PLL_FB_DIV_MASK | PLL_SEL_LPFR_MASK);  in mvebu_a3700_utmi_phy_power_on()
100 	reg |= (PLL_REF_DIV_5 << PLL_REF_DIV_OFF) |  in mvebu_a3700_utmi_phy_power_on()
102 	writel(reg, utmi->regs + USB2_PHY_PLL_CTRL_REG0);  in mvebu_a3700_utmi_phy_power_on()
105 	regmap_update_bits(utmi->usb_misc, USB2_PHY_CTRL(usb32),  in mvebu_a3700_utmi_phy_power_on()
111 		reg = readl(utmi->regs + USB2_PHY_OTG_CTRL);  in mvebu_a3700_utmi_phy_power_on()
112 		reg |= PHY_PU_OTG;  in mvebu_a3700_utmi_phy_power_on()
113 		writel(reg, utmi->regs + USB2_PHY_OTG_CTRL);  in mvebu_a3700_utmi_phy_power_on()
116 		reg = readl(utmi->regs + USB2_PHY_CHRGR_DETECT);  in mvebu_a3700_utmi_phy_power_on()
117 		reg &= ~(PHY_CDP_EN | PHY_DCP_EN | PHY_PD_EN | PHY_PU_CHRG_DTC |  in mvebu_a3700_utmi_phy_power_on()
119 		writel(reg, utmi->regs + USB2_PHY_CHRGR_DETECT);  in mvebu_a3700_utmi_phy_power_on()
121 		/* Disable PHY DP/DM pull-down (used for device mode) */  in mvebu_a3700_utmi_phy_power_on()
122 		regmap_update_bits(utmi->usb_misc, USB2_PHY_CTRL(usb32),  in mvebu_a3700_utmi_phy_power_on()
128 	ret = readl_poll_timeout(utmi->regs + USB2_PHY_CAL_CTRL, reg,  in mvebu_a3700_utmi_phy_power_on()
129 				 reg & PHY_PLLCAL_DONE,  in mvebu_a3700_utmi_phy_power_on()
137 	ret = readl_poll_timeout(utmi->regs + USB2_PHY_CAL_CTRL, reg,  in mvebu_a3700_utmi_phy_power_on()
138 				 reg & PHY_IMPCAL_DONE,  in mvebu_a3700_utmi_phy_power_on()
146 	ret = readl_poll_timeout(utmi->regs + USB2_RX_CHAN_CTRL1, reg,  in mvebu_a3700_utmi_phy_power_on()
147 				 reg & USB2PHY_SQCAL_DONE,  in mvebu_a3700_utmi_phy_power_on()
155 	ret = readl_poll_timeout(utmi->regs + USB2_PHY_PLL_CTRL_REG0, reg,  in mvebu_a3700_utmi_phy_power_on()
156 				 reg & PLL_READY,  in mvebu_a3700_utmi_phy_power_on()
167 	int usb32 = utmi->caps->usb32;  in mvebu_a3700_utmi_phy_power_off()
168 	u32 reg;  in mvebu_a3700_utmi_phy_power_off()  local
170 	/* Disable PHY pull-up and enable USB2 suspend */  in mvebu_a3700_utmi_phy_power_off()
171 	reg = readl(utmi->regs + USB2_PHY_CTRL(usb32));  in mvebu_a3700_utmi_phy_power_off()
172 	reg &= ~(RB_USB2PHY_PU | RB_USB2PHY_SUSPM(usb32));  in mvebu_a3700_utmi_phy_power_off()
173 	writel(reg, utmi->regs + USB2_PHY_CTRL(usb32));  in mvebu_a3700_utmi_phy_power_off()
177 		reg = readl(utmi->regs + USB2_PHY_OTG_CTRL);  in mvebu_a3700_utmi_phy_power_off()
178 		reg &= ~PHY_PU_OTG;  in mvebu_a3700_utmi_phy_power_off()
179 		writel(reg, utmi->regs + USB2_PHY_OTG_CTRL);  in mvebu_a3700_utmi_phy_power_off()
203 		.compatible = "marvell,a3700-utmi-otg-phy",
207 		.compatible = "marvell,a3700-utmi-host-phy",
216 	struct device *dev = &pdev->dev;  in mvebu_a3700_utmi_phy_probe()
222 		return -ENOMEM;  in mvebu_a3700_utmi_phy_probe()
225 	utmi->regs = devm_platform_ioremap_resource(pdev, 0);  in mvebu_a3700_utmi_phy_probe()
226 	if (IS_ERR(utmi->regs))  in mvebu_a3700_utmi_phy_probe()
227 		return PTR_ERR(utmi->regs);  in mvebu_a3700_utmi_phy_probe()
230 	utmi->usb_misc = syscon_regmap_lookup_by_phandle(dev->of_node,  in mvebu_a3700_utmi_phy_probe()
231 							 "marvell,usb-misc-reg");  in mvebu_a3700_utmi_phy_probe()
232 	if (IS_ERR(utmi->usb_misc)) {  in mvebu_a3700_utmi_phy_probe()
234 			"Missing USB misc purpose system controller\n");  in mvebu_a3700_utmi_phy_probe()
235 		return PTR_ERR(utmi->usb_misc);  in mvebu_a3700_utmi_phy_probe()
239 	utmi->caps = of_device_get_match_data(dev);  in mvebu_a3700_utmi_phy_probe()
242 	utmi->phy = devm_phy_create(dev, NULL, utmi->caps->ops);  in mvebu_a3700_utmi_phy_probe()
243 	if (IS_ERR(utmi->phy)) {  in mvebu_a3700_utmi_phy_probe()
245 		return PTR_ERR(utmi->phy);  in mvebu_a3700_utmi_phy_probe()
248 	phy_set_drvdata(utmi->phy, utmi);  in mvebu_a3700_utmi_phy_probe()
251 	utmi->caps->ops->power_off(utmi->phy);  in mvebu_a3700_utmi_phy_probe()
261 		.name		= "mvebu-a3700-utmi-phy",