1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/phy/phy.h>
109 	struct phy *phy;  member
140 static int mmp3_usb_phy_init(struct phy *phy)  in mmp3_usb_phy_init()  argument
142 	struct mmp3_usb_phy *mmp3_usb_phy = phy_get_drvdata(phy);  in mmp3_usb_phy_init()
143 	void __iomem *base = mmp3_usb_phy->base;  in mmp3_usb_phy_init()
158 		dev_err(&phy->dev, "unsupported silicon revision\n");  in mmp3_usb_phy_init()
159 		return -ENODEV;  in mmp3_usb_phy_init()
195 static int mmp3_usb_phy_calibrate(struct phy *phy)  in mmp3_usb_phy_calibrate()  argument
197 	struct mmp3_usb_phy *mmp3_usb_phy = phy_get_drvdata(phy);  in mmp3_usb_phy_calibrate()
198 	void __iomem *base = mmp3_usb_phy->base;  in mmp3_usb_phy_calibrate()
210 	 *               | 200us | 400us  | 40| 400us  | USB PHY READY  in mmp3_usb_phy_calibrate()
226 			dev_err(&phy->dev, "PLL_READY not set after 100mS.\n");  in mmp3_usb_phy_calibrate()
227 			return -ETIMEDOUT;  in mmp3_usb_phy_calibrate()
241 	{ .compatible = "marvell,mmp3-usb-phy", },
248 	struct device *dev = &pdev->dev;  in mmp3_usb_phy_probe()
255 		return -ENOMEM;  in mmp3_usb_phy_probe()
258 	mmp3_usb_phy->base = devm_ioremap_resource(dev, resource);  in mmp3_usb_phy_probe()
259 	if (IS_ERR(mmp3_usb_phy->base)) {  in mmp3_usb_phy_probe()
260 		dev_err(dev, "failed to remap PHY regs\n");  in mmp3_usb_phy_probe()
261 		return PTR_ERR(mmp3_usb_phy->base);  in mmp3_usb_phy_probe()
264 	mmp3_usb_phy->phy = devm_phy_create(dev, NULL, &mmp3_usb_phy_ops);  in mmp3_usb_phy_probe()
265 	if (IS_ERR(mmp3_usb_phy->phy)) {  in mmp3_usb_phy_probe()
266 		dev_err(dev, "failed to create PHY\n");  in mmp3_usb_phy_probe()
267 		return PTR_ERR(mmp3_usb_phy->phy);  in mmp3_usb_phy_probe()
270 	phy_set_drvdata(mmp3_usb_phy->phy, mmp3_usb_phy);  in mmp3_usb_phy_probe()
273 		dev_err(dev, "failed to register PHY provider\n");  in mmp3_usb_phy_probe()
283 		.name	= "mmp3-usb-phy",
290 MODULE_DESCRIPTION("Marvell MMP3 USB PHY Driver");