imx: ventana: add GW5912 support

The GW5912 is a Single Board Computer based on the NXP i.MX6Q/DL SoC
with the following features:
 - DDR3 DRAM
 - NAND FLASH (256MiB or 2048MiB)
 - microSD socket
 - Gateworks System Periperhal Controller
 - front panel LED's
 - front panel pushbutton
 - RS232 connector (2x UARTs)
 - CAN/RS485 connector
 - Digital I/O connector (I2C/GPIO)
 - SPI connector
 - u-blox Zoe-M8Q GPS
 - LIS2DE12 Accellerometer
 - 1x FEC GbE RJ45 with 802.3at Active PoE
 - 1x PCI GbE RJ45 with Passive PoE
 - 5x MiniPCIe socket with PCIe/USB 2.0
 - 1x MiniPCIe socket with PCIe/USB 2.0 and SIM socket
 - Aux power input with wide-range DC power supply
Signed-off-by: NTim Harvey <tharvey@gateworks.com>

board/gateworks/gw_ventana/common.c

@@ -434,6 +434,15 @@ static iomux_v3_cfg_t const gw5910_gpio_pads[] = {
 	IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
 };
 
+static iomux_v3_cfg_t const gw5912_gpio_pads[] = {
+	/* SD3_VSELECT */
+	IOMUX_PADS(PAD_NANDF_CS1__GPIO6_IO14 | DIO_PAD_CFG),
+	/* RS232_EN# */
+	IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
+	/* PCIESKT_WDIS# */
+	IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | DIO_PAD_CFG),
+};
+
 /* Digital I/O */
 struct dio_cfg gw51xx_dio[] = {
 	{
@@ -850,6 +859,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.dioi2c_en = IMX_GPIO_NR(4,  5),
 		.pcie_sson = IMX_GPIO_NR(1, 20),
 		.mmc_cd = IMX_GPIO_NR(7, 0),
+		.wdis = -1,
 	},
 
 	/* GW51xx */
@@ -964,6 +974,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.gpio_pads = gw5901_gpio_pads,
 		.num_pads = ARRAY_SIZE(gw5901_gpio_pads)/2,
 		.dio_cfg = gw5901_dio,
+		.wdis = -1,
 	},
 
 	/* GW5902 */
@@ -972,6 +983,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.num_pads = ARRAY_SIZE(gw5902_gpio_pads)/2,
 		.dio_cfg = gw5902_dio,
 		.rs232_en = GP_RS232_EN,
+		.wdis = -1,
 	},
 
 	/* GW5903 */
@@ -981,6 +993,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.dio_cfg = gw5903_dio,
 		.dio_num = ARRAY_SIZE(gw5903_dio),
 		.mmc_cd = IMX_GPIO_NR(6, 11),
+		.wdis = -1,
 	},
 
 	/* GW5904 */
@@ -991,6 +1004,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.dio_num = ARRAY_SIZE(gw5904_dio),
 		.mezz_pwren = IMX_GPIO_NR(2, 19),
 		.mezz_irq = IMX_GPIO_NR(2, 18),
+		.wdis = -1,
 	},
 
 	/* GW5905 */
@@ -1042,6 +1056,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.dio_num = ARRAY_SIZE(gw5904_dio),
 		.mezz_pwren = IMX_GPIO_NR(2, 19),
 		.mezz_irq = IMX_GPIO_NR(2, 18),
+		.wdis = -1,
 	},
 
 	/* GW5910 */
@@ -1055,6 +1070,18 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.vsel_pin = IMX_GPIO_NR(6, 14),
 		.mmc_cd = IMX_GPIO_NR(7, 0),
 	},
+
+	/* GW5912 */
+	{
+		.gpio_pads = gw5912_gpio_pads,
+		.num_pads = ARRAY_SIZE(gw5912_gpio_pads) / 2,
+		.dio_cfg = gw54xx_dio,
+		.dio_num = ARRAY_SIZE(gw54xx_dio),
+		.wdis = IMX_GPIO_NR(1, 0),
+		.rs232_en = GP_RS232_EN,
+		.vsel_pin = IMX_GPIO_NR(6, 14),
+		.mmc_cd = IMX_GPIO_NR(7, 0),
+	},
 };
 
 #define SETUP_GPIO_OUTPUT(gpio, name, level) \
@@ -1125,7 +1152,7 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
 	}
 
 	/* PCISKT_WDIS# (Wireless disable GPIO to miniPCIe sockets) */
-	if (gpio_cfg[board].wdis) {
+	if (gpio_cfg[board].wdis != -1) {
 		gpio_request(gpio_cfg[board].wdis, "wlan_dis");
 		gpio_direction_output(gpio_cfg[board].wdis, 1);
 	}
@@ -1617,6 +1644,7 @@ int board_mmc_init(struct bd_info *bis)
 	case GW54xx:
 	case GW553x:
 	case GW5910:
+	case GW5912:
 		/* usdhc3: 4bit microSD */
 		SETUP_IOMUX_PADS(usdhc3_pads);
 		usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;

board/gateworks/gw_ventana/eeprom.c

@@ -126,6 +126,8 @@ read_eeprom(int bus, struct ventana_board_info *info)
 			type = GW5909;
 		else if (info->model[4] == '1' && info->model[5] == '0')
 			type = GW5910;
+		else if (info->model[4] == '1' && info->model[5] == '2')
+			type = GW5912;
 		break;
 	default:
 		printf("EEPROM: Unknown model in EEPROM: %s\n", info->model);

board/gateworks/gw_ventana/ventana_eeprom.h

@@ -122,6 +122,7 @@ enum {
 	GW5908,
 	GW5909,
 	GW5910,
+	GW5912,
 	GW_UNKNOWN,
 	GW_BADCRC,
 };