dm: usb: Remove use of fdtdec GPIO support

These functions are going away, so use the new uclass support instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index 6fdbf57..f3c077d 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -31,7 +31,7 @@
 struct exynos_ehci {
 	struct exynos_usb_phy *usb;
 	struct ehci_hccr *hcd;
-	struct fdt_gpio_state vbus_gpio;
+	struct gpio_desc vbus_gpio;
 };
 
 static struct exynos_ehci exynos;
@@ -61,7 +61,8 @@
 	exynos->hcd = (struct ehci_hccr *)addr;
 
 	/* Vbus gpio */
-	fdtdec_decode_gpio(blob, node, "samsung,vbus-gpio", &exynos->vbus_gpio);
+	gpio_request_by_name_nodev(blob, node, "samsung,vbus-gpio", 0,
+				   &exynos->vbus_gpio, GPIOD_IS_OUT);
 
 	depth = 0;
 	node = fdtdec_next_compatible_subnode(blob, node,
@@ -236,9 +237,8 @@
 
 #ifdef CONFIG_OF_CONTROL
 	/* setup the Vbus gpio here */
-	if (fdt_gpio_isvalid(&ctx->vbus_gpio) &&
-	    !fdtdec_setup_gpio(&ctx->vbus_gpio))
-		gpio_direction_output(ctx->vbus_gpio.gpio, 1);
+	if (dm_gpio_is_valid(&ctx->vbus_gpio))
+		dm_gpio_set_value(&ctx->vbus_gpio, 1);
 #endif
 
 	setup_usb_phy(ctx->usb);