54 static int mtk_musb_clks_get(struct mtk_glue *glue)  in mtk_musb_clks_get()  argument
56 	struct device *dev = glue->dev;  in mtk_musb_clks_get()
58 	glue->clks[0].id = "main";  in mtk_musb_clks_get()
59 	glue->clks[1].id = "mcu";  in mtk_musb_clks_get()
60 	glue->clks[2].id = "univpll";  in mtk_musb_clks_get()
62 	return devm_clk_bulk_get(dev, MTK_MUSB_CLKS_NUM, glue->clks);  in mtk_musb_clks_get()
65 static int mtk_otg_switch_set(struct mtk_glue *glue, enum usb_role role)  in mtk_otg_switch_set()  argument
67 	struct musb *musb = glue->musb;  in mtk_otg_switch_set()
71 	if (role == glue->role)  in mtk_otg_switch_set()
77 		glue->phy_mode = PHY_MODE_USB_HOST;  in mtk_otg_switch_set()
79 		if (glue->role == USB_ROLE_NONE)  in mtk_otg_switch_set()
80 			phy_power_on(glue->phy);  in mtk_otg_switch_set()
88 		glue->phy_mode = PHY_MODE_USB_DEVICE;  in mtk_otg_switch_set()
92 		if (glue->role == USB_ROLE_NONE)  in mtk_otg_switch_set()
93 			phy_power_on(glue->phy);  in mtk_otg_switch_set()
98 		glue->phy_mode = PHY_MODE_USB_OTG;  in mtk_otg_switch_set()
102 		if (glue->role != USB_ROLE_NONE)  in mtk_otg_switch_set()
103 			phy_power_off(glue->phy);  in mtk_otg_switch_set()
107 		dev_err(glue->dev, "Invalid State\n");  in mtk_otg_switch_set()
111 	glue->role = new_role;  in mtk_otg_switch_set()
112 	phy_set_mode(glue->phy, glue->phy_mode);  in mtk_otg_switch_set()
124 	struct mtk_glue *glue = usb_role_switch_get_drvdata(sw);  in musb_usb_role_sx_get()  local
126 	return glue->role;  in musb_usb_role_sx_get()
129 static int mtk_otg_switch_init(struct mtk_glue *glue)  in mtk_otg_switch_init()  argument
136 	role_sx_desc.fwnode = dev_fwnode(glue->dev);  in mtk_otg_switch_init()
137 	role_sx_desc.driver_data = glue;  in mtk_otg_switch_init()
138 	glue->role_sw = usb_role_switch_register(glue->dev, &role_sx_desc);  in mtk_otg_switch_init()
140 	return PTR_ERR_OR_ZERO(glue->role_sw);  in mtk_otg_switch_init()
143 static void mtk_otg_switch_exit(struct mtk_glue *glue)  in mtk_otg_switch_exit()  argument
145 	return usb_role_switch_unregister(glue->role_sw);  in mtk_otg_switch_exit()
220 	struct mtk_glue *glue = dev_get_drvdata(dev->parent);  in mtk_musb_set_mode()  local
238 		dev_err(glue->dev, "Invalid mode request\n");  in mtk_musb_set_mode()
242 	if (glue->phy_mode == new_mode)  in mtk_musb_set_mode()
246 		dev_err(glue->dev, "Does not support changing modes\n");  in mtk_musb_set_mode()
250 	mtk_otg_switch_set(glue, new_role);  in mtk_musb_set_mode()
257 	struct mtk_glue *glue = dev_get_drvdata(dev->parent);  in mtk_musb_init()  local
260 	glue->musb = musb;  in mtk_musb_init()
261 	musb->phy = glue->phy;  in mtk_musb_init()
262 	musb->xceiv = glue->xceiv;  in mtk_musb_init()
271 		ret = mtk_otg_switch_init(glue);  in mtk_musb_init()
276 	ret = phy_init(glue->phy);  in mtk_musb_init()
280 	ret = phy_power_on(glue->phy);  in mtk_musb_init()
284 	phy_set_mode(glue->phy, glue->phy_mode);  in mtk_musb_init()
295 	phy_exit(glue->phy);  in mtk_musb_init()
297 	mtk_otg_switch_exit(glue);  in mtk_musb_init()
335 	struct mtk_glue *glue = dev_get_drvdata(dev->parent);  in mtk_musb_exit()  local
337 	mtk_otg_switch_exit(glue);  in mtk_musb_exit()
338 	phy_power_off(glue->phy);  in mtk_musb_exit()
339 	phy_exit(glue->phy);  in mtk_musb_exit()
340 	clk_bulk_disable_unprepare(MTK_MUSB_CLKS_NUM, glue->clks);  in mtk_musb_exit()
401 	struct mtk_glue *glue;  in mtk_musb_probe()  local
407 	glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);  in mtk_musb_probe()
408 	if (!glue)  in mtk_musb_probe()
411 	glue->dev = dev;  in mtk_musb_probe()
422 	ret = mtk_musb_clks_get(glue);  in mtk_musb_probe()
437 		glue->phy_mode = PHY_MODE_USB_HOST;  in mtk_musb_probe()
438 		glue->role = USB_ROLE_HOST;  in mtk_musb_probe()
441 		glue->phy_mode = PHY_MODE_USB_DEVICE;  in mtk_musb_probe()
442 		glue->role = USB_ROLE_DEVICE;  in mtk_musb_probe()
445 		glue->phy_mode = PHY_MODE_USB_OTG;  in mtk_musb_probe()
446 		glue->role = USB_ROLE_NONE;  in mtk_musb_probe()
453 	glue->phy = devm_of_phy_get_by_index(dev, np, 0);  in mtk_musb_probe()
454 	if (IS_ERR(glue->phy)) {  in mtk_musb_probe()
456 			PTR_ERR(glue->phy));  in mtk_musb_probe()
457 		return PTR_ERR(glue->phy);  in mtk_musb_probe()
460 	glue->usb_phy = usb_phy_generic_register();  in mtk_musb_probe()
461 	if (IS_ERR(glue->usb_phy)) {  in mtk_musb_probe()
463 			PTR_ERR(glue->usb_phy));  in mtk_musb_probe()
464 		return PTR_ERR(glue->usb_phy);  in mtk_musb_probe()
467 	glue->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);  in mtk_musb_probe()
468 	if (IS_ERR(glue->xceiv)) {  in mtk_musb_probe()
469 		ret = PTR_ERR(glue->xceiv);  in mtk_musb_probe()
474 	platform_set_drvdata(pdev, glue);  in mtk_musb_probe()
478 	ret = clk_bulk_prepare_enable(MTK_MUSB_CLKS_NUM, glue->clks);  in mtk_musb_probe()
491 	glue->musb_pdev = platform_device_register_full(&pinfo);  in mtk_musb_probe()
492 	if (IS_ERR(glue->musb_pdev)) {  in mtk_musb_probe()
493 		ret = PTR_ERR(glue->musb_pdev);  in mtk_musb_probe()
501 	clk_bulk_disable_unprepare(MTK_MUSB_CLKS_NUM, glue->clks);  in mtk_musb_probe()
506 	usb_phy_generic_unregister(glue->usb_phy);  in mtk_musb_probe()
512 	struct mtk_glue *glue = platform_get_drvdata(pdev);  in mtk_musb_remove()  local
513 	struct platform_device *usb_phy = glue->usb_phy;  in mtk_musb_remove()
515 	platform_device_unregister(glue->musb_pdev);  in mtk_musb_remove()