ARM: davinci: omapl138-hawk: use gpio lookup entries for usb gpios

Add lookup entries for the vbus and overcurrent gpios for omapl138-hawk.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/mach-davinci/board-omapl138-hawk.c

@@ -302,6 +302,14 @@ static const short da850_hawk_usb11_pins[] = {
 	-1
 };
 
+static struct gpiod_lookup_table hawk_usb_gpio_lookup = {
+	.dev_id		= "ohci-da8xx",
+	.table = {
+		GPIO_LOOKUP("davinci_gpio", DA850_USB1_VBUS_PIN, "vbus", 0),
+		GPIO_LOOKUP("davinci_gpio", DA850_USB1_OC_PIN, "oc", 0),
+	},
+};
+
 static int hawk_usb_set_power(unsigned port, int on)
 {
 	gpio_set_value(DA850_USB1_VBUS_PIN, on);
@@ -390,6 +398,8 @@ static __init void omapl138_hawk_usb_init(void)
 		goto usb11_setup_oc_fail;
 	}
 
+	gpiod_add_lookup_table(&hawk_usb_gpio_lookup);
+
 	ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata);
 	if (ret) {
 		pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);