8  * Marvell CP110 UTMI PHY driver
24 /* CP110 UTMI register macro definetions */
167 	struct mvebu_cp110_utmi *utmi = port->priv;  in mvebu_cp110_utmi_phy_power_off()  local
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()  local
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()
205 	 * If UTMI port is connected to USB Device controller,  in mvebu_cp110_utmi_phy_power_on()
206 	 * configure the USB MUX prior to UTMI PHY initialization.  in mvebu_cp110_utmi_phy_power_on()
211 		regmap_update_bits(utmi->syscon, SYSCON_USB_CFG_REG,  in mvebu_cp110_utmi_phy_power_on()
217 	/* Set Test suspendm mode and enable Test UTMI select */  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()
232 	/* Disable Test UTMI select */  in mvebu_cp110_utmi_phy_power_on()
242 		dev_err(dev, "Failed to end UTMI impedance calibration\n");  in mvebu_cp110_utmi_phy_power_on()
251 		dev_err(dev, "Failed to end UTMI PLL calibration\n");  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" },
285 	struct mvebu_cp110_utmi *utmi;  in mvebu_cp110_utmi_phy_probe()  local
290 	utmi = devm_kzalloc(dev, sizeof(*utmi), GFP_KERNEL);  in mvebu_cp110_utmi_phy_probe()
291 	if (!utmi)  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()
299 	if (IS_ERR(utmi->syscon)) {  in mvebu_cp110_utmi_phy_probe()
300 		dev_err(dev, "Missing UTMI system controller\n");  in mvebu_cp110_utmi_phy_probe()
301 		return PTR_ERR(utmi->syscon);  in mvebu_cp110_utmi_phy_probe()
304 	/* Get UTMI memory region */  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()
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()
354 			dev_err(dev, "Failed to create the UTMI PHY\n");  in mvebu_cp110_utmi_phy_probe()
359 		port->priv = utmi;  in mvebu_cp110_utmi_phy_probe()
367 	dev_set_drvdata(dev, utmi);  in mvebu_cp110_utmi_phy_probe()
376 		.name		= "mvebu-cp110-utmi-phy",
383 MODULE_DESCRIPTION("Marvell Armada CP110 UTMI PHY driver");