imx: ventana: make OTG VBUS power enable board specific

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>

board/gateworks/gw_ventana/common.c

@@ -586,6 +586,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.rs485en = IMX_GPIO_NR(3, 24),
 		.dioi2c_en = IMX_GPIO_NR(4,  5),
 		.pcie_sson = IMX_GPIO_NR(1, 20),
+		.otgpwr_en = IMX_GPIO_NR(3, 22),
 	},
 
 	/* GW51xx */
@@ -604,6 +605,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.gps_shdn = IMX_GPIO_NR(1, 2),
 		.vidin_en = IMX_GPIO_NR(5, 20),
 		.wdis = IMX_GPIO_NR(7, 12),
+		.otgpwr_en = IMX_GPIO_NR(3, 22),
 	},
 
 	/* GW52xx */
@@ -626,6 +628,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.wdis = IMX_GPIO_NR(7, 12),
 		.msata_en = GP_MSATA_SEL,
 		.rs232_en = GP_RS232_EN,
+		.otgpwr_en = IMX_GPIO_NR(3, 22),
 	},
 
 	/* GW53xx */
@@ -647,6 +650,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.wdis = IMX_GPIO_NR(7, 12),
 		.msata_en = GP_MSATA_SEL,
 		.rs232_en = GP_RS232_EN,
+		.otgpwr_en = IMX_GPIO_NR(3, 22),
 	},
 
 	/* GW54xx */
@@ -670,6 +674,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.wdis = IMX_GPIO_NR(5, 17),
 		.msata_en = GP_MSATA_SEL,
 		.rs232_en = GP_RS232_EN,
+		.otgpwr_en = IMX_GPIO_NR(3, 22),
 	},
 
 	/* GW551x */
@@ -715,6 +720,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.pcie_rst = IMX_GPIO_NR(1, 0),
 		.vidin_en = IMX_GPIO_NR(5, 20),
 		.wdis = IMX_GPIO_NR(7, 12),
+		.otgpwr_en = IMX_GPIO_NR(3, 22),
 	},
 };
 
@@ -725,10 +731,6 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
 	/* iomux common to all Ventana boards */
 	SETUP_IOMUX_PADS(gw_gpio_pads);
 
-	/* OTG power off */
-	gpio_request(GP_USB_OTG_PWR, "usbotg_pwr");
-	gpio_direction_output(GP_USB_OTG_PWR, 0);
-
 	if (board >= GW_UNKNOWN)
 		return;
 
@@ -818,6 +820,12 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
 		gpio_direction_output(gpio_cfg[board].wdis, 1);
 	}
 
+	/* OTG power off */
+	if (gpio_cfg[board].otgpwr_en) {
+		gpio_request(gpio_cfg[board].otgpwr_en, "usbotg_pwr");
+		gpio_direction_output(gpio_cfg[board].otgpwr_en, 0);
+	}
+
 	/* sense vselect pin to see if we support uhs-i */
 	gpio_request(GP_SD3_VSELECT, "sd3_vselect");
 	gpio_direction_input(GP_SD3_VSELECT);

board/gateworks/gw_ventana/common.h

@@ -13,7 +13,6 @@
 
 /* GPIO's common to all baseboards */
 #define GP_PHY_RST	IMX_GPIO_NR(1, 30)
-#define GP_USB_OTG_PWR	IMX_GPIO_NR(3, 22)
 #define GP_SD3_CD	IMX_GPIO_NR(7, 0)
 #define GP_RS232_EN	IMX_GPIO_NR(2, 11)
 #define GP_MSATA_SEL	IMX_GPIO_NR(2, 8)
@@ -79,6 +78,7 @@ struct ventana {
 	int wdis;
 	int msata_en;
 	int rs232_en;
+	int otgpwr_en;
 	/* various features */
 	bool usd_vsel;
 };

board/gateworks/gw_ventana/gw_ventana.c

@@ -175,9 +175,11 @@ int board_ehci_hcd_init(int port)
 
 int board_ehci_power(int port, int on)
 {
-	if (port)
-		return 0;
-	gpio_set_value(GP_USB_OTG_PWR, on);
+	/* enable OTG VBUS */
+	if (!port && board_type < GW_UNKNOWN) {
+		if (gpio_cfg[board_type].otgpwr_en)
+			gpio_set_value(gpio_cfg[board_type].otgpwr_en, on);
+	}
 	return 0;
 }
 #endif /* CONFIG_USB_EHCI_MX6 */