drivers/phy/phy-lgm-usb.c

51 static int get_flipped(struct tca_apb *ta, bool *flipped)
56 	ret = extcon_get_property(ta->phy.edev, EXTCON_USB_HOST,
59 		dev_err(ta->phy.dev, "no polarity property from extcon\n");
70 	struct tca_apb *ta = container_of(phy, struct tca_apb, phy);
74 	if (ta->phy_initialized)
78 		reset_control_deassert(ta->resets[i]);
82 		dev_err(ta->phy.dev, "SRAM init failed, 0x%x\n", val);
88 	ta->phy_initialized = true;
89 	if (!ta->phy.edev) {
90 		writel(TCPC_CONN, ta->phy.io_priv + TCPC_OFFSET);
94 	schedule_work(&ta->wk);
101 	struct tca_apb *ta = container_of(phy, struct tca_apb, phy);
104 	if (!ta->phy_initialized)
107 	ta->phy_initialized = false;
108 	flush_work(&ta->wk);
109 	ta->phy.set_vbus(&ta->phy, false);
111 	ta->connected = false;
112 	writel(TCPC_DISCONN, ta->phy.io_priv + TCPC_OFFSET);
115 		reset_control_assert(ta->resets[i]);
120 	struct tca_apb *ta = container_of(phy, struct tca_apb, phy);
123 	if (!!on == ta->regulator_enabled)
127 		ret = regulator_enable(ta->vbus);
129 		ret = regulator_disable(ta->vbus);
132 		ta->regulator_enabled = on;
134 	dev_dbg(ta->phy.dev, "set vbus: %d\n", on);
140 	struct tca_apb *ta = container_of(work, struct tca_apb, wk);
146 	ret = get_flipped(ta, &flipped);
150 	connected = extcon_get_state(ta->phy.edev, EXTCON_USB_HOST);
151 	if (connected == ta->connected)
154 	ta->connected = connected;
159 		dev_dbg(ta->phy.dev, "connected%s\n", flipped ? " flipped" : "");
162 		dev_dbg(ta->phy.dev, "disconnected\n");
165 	writel(val, ta->phy.io_priv + TCPC_OFFSET);
167 	ret = ta->phy.set_vbus(&ta->phy, connected);
169 		dev_err(ta->phy.dev, "failed to set VBUS\n");
174 	struct tca_apb *ta = container_of(nb, struct tca_apb, phy.id_nb);
176 	if (ta->phy_initialized)
177 		schedule_work(&ta->wk);
192 	struct tca_apb *ta;
195 	ta = devm_kzalloc(dev, sizeof(*ta), GFP_KERNEL);
196 	if (!ta)
199 	platform_set_drvdata(pdev, ta);
200 	INIT_WORK(&ta->wk, tca_work);
202 	phy = &ta->phy;
216 	ta->vbus = devm_regulator_get(dev, "vbus");
217 	if (IS_ERR(ta->vbus))
218 		return PTR_ERR(ta->vbus);
229 		ta->resets[i] = devm_reset_control_get_exclusive(dev, PHY_RESETS[i]);
230 		if (IS_ERR(ta->resets[i])) {
232 			return PTR_ERR(ta->resets[i]);
240 		reset_control_assert(ta->resets[i]);
257 	struct tca_apb *ta = platform_get_drvdata(pdev);
259 	usb_remove_phy(&ta->phy);