+ if (of_find_property(dev->of_node, "phy-clkgate-delay-us", NULL))
+ of_property_read_u32(dev->of_node, "phy-clkgate-delay-us",
+ &platdata->phy_clkgate_delay_us);
+
+ platdata->itc_setting = 1;
+ if (of_find_property(dev->of_node, "itc-setting", NULL)) {
+ ret = of_property_read_u32(dev->of_node, "itc-setting",
+ &platdata->itc_setting);
+ if (ret) {
+ dev_err(dev,
+ "failed to get itc-setting\n");
+ return ret;
+ }
+ }
+
+ if (of_find_property(dev->of_node, "ahb-burst-config", NULL)) {
+ ret = of_property_read_u32(dev->of_node, "ahb-burst-config",
+ &platdata->ahb_burst_config);
+ if (ret) {
+ dev_err(dev,
+ "failed to get ahb-burst-config\n");
+ return ret;
+ }
+ platdata->flags |= CI_HDRC_OVERRIDE_AHB_BURST;
+ }
+
+ if (of_find_property(dev->of_node, "tx-burst-size-dword", NULL)) {
+ ret = of_property_read_u32(dev->of_node, "tx-burst-size-dword",
+ &platdata->tx_burst_size);
+ if (ret) {
+ dev_err(dev,
+ "failed to get tx-burst-size-dword\n");
+ return ret;
+ }
+ platdata->flags |= CI_HDRC_OVERRIDE_TX_BURST;
+ }
+
+ if (of_find_property(dev->of_node, "rx-burst-size-dword", NULL)) {
+ ret = of_property_read_u32(dev->of_node, "rx-burst-size-dword",
+ &platdata->rx_burst_size);
+ if (ret) {
+ dev_err(dev,
+ "failed to get rx-burst-size-dword\n");
+ return ret;
+ }
+ platdata->flags |= CI_HDRC_OVERRIDE_RX_BURST;
+ }
+
+ ext_id = ERR_PTR(-ENODEV);
+ ext_vbus = ERR_PTR(-ENODEV);
+ if (of_property_read_bool(dev->of_node, "extcon")) {
+ /* Each one of them is not mandatory */
+ ext_vbus = extcon_get_edev_by_phandle(dev, 0);
+ if (IS_ERR(ext_vbus) && PTR_ERR(ext_vbus) != -ENODEV)
+ return PTR_ERR(ext_vbus);
+
+ ext_id = extcon_get_edev_by_phandle(dev, 1);
+ if (IS_ERR(ext_id) && PTR_ERR(ext_id) != -ENODEV)
+ return PTR_ERR(ext_id);
+ }
+
+ cable = &platdata->vbus_extcon;
+ cable->nb.notifier_call = ci_vbus_notifier;
+ cable->edev = ext_vbus;
+
+ if (!IS_ERR(ext_vbus)) {
+ ret = extcon_get_cable_state_(cable->edev, EXTCON_USB);
+ if (ret)
+ cable->state = true;
+ else
+ cable->state = false;
+ }
+
+ cable = &platdata->id_extcon;
+ cable->nb.notifier_call = ci_id_notifier;
+ cable->edev = ext_id;
+
+ if (!IS_ERR(ext_id)) {
+ ret = extcon_get_cable_state_(cable->edev, EXTCON_USB_HOST);
+ if (ret)
+ cable->state = false;
+ else
+ cable->state = true;
+ }
+ return 0;
+}
+
+static int ci_extcon_register(struct ci_hdrc *ci)
+{
+ struct ci_hdrc_cable *id, *vbus;
+ int ret;
+
+ id = &ci->platdata->id_extcon;
+ id->ci = ci;
+ if (!IS_ERR(id->edev)) {
+ ret = extcon_register_notifier(id->edev, EXTCON_USB_HOST,
+ &id->nb);
+ if (ret < 0) {
+ dev_err(ci->dev, "register ID failed\n");
+ return ret;
+ }
+ }
+
+ vbus = &ci->platdata->vbus_extcon;
+ vbus->ci = ci;
+ if (!IS_ERR(vbus->edev)) {
+ ret = extcon_register_notifier(vbus->edev, EXTCON_USB,
+ &vbus->nb);
+ if (ret < 0) {
+ extcon_unregister_notifier(id->edev, EXTCON_USB_HOST,
+ &id->nb);
+ dev_err(ci->dev, "register VBUS failed\n");
+ return ret;
+ }
+ }
+