imx: ventana: add support for GW5909

The GW5909 is a small single board computer based on the i.MX6DL SoC
with the same peripheral set as the GW5904 but with half the DRAM loaded
and an additional RS232 transceiver off UART2.
Signed-off-by: NTim Harvey <tharvey@gateworks.com>

board/gateworks/gw_ventana/common.c

@@ -455,6 +455,8 @@ static iomux_v3_cfg_t const gw5904_gpio_pads[] = {
 	IOMUX_PADS(PAD_SD2_DAT1__GPIO1_IO14 | DIO_PAD_CFG),
 	/* M2_RST# */
 	IOMUX_PADS(PAD_SD2_DAT2__GPIO1_IO13 | DIO_PAD_CFG),
+	/* RS232_EN# */
+	IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
 };
 
 static iomux_v3_cfg_t const gw5905_gpio_pads[] = {
@@ -1133,6 +1135,23 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.msata_en = GP_MSATA_SEL,
 		.rs232_en = GP_RS232_EN,
 	},
+
+	/* GW5909 */
+	{
+		.gpio_pads = gw5904_gpio_pads,
+		.num_pads = ARRAY_SIZE(gw5904_gpio_pads)/2,
+		.dio_cfg = gw5904_dio,
+		.dio_num = ARRAY_SIZE(gw5904_dio),
+		.leds = {
+			IMX_GPIO_NR(4, 6),
+			IMX_GPIO_NR(4, 7),
+			IMX_GPIO_NR(4, 15),
+		},
+		.pcie_rst = IMX_GPIO_NR(1, 0),
+		.mezz_pwren = IMX_GPIO_NR(2, 19),
+		.mezz_irq = IMX_GPIO_NR(2, 18),
+		.otgpwr_en = IMX_GPIO_NR(3, 22),
+	},
 };
 
 #define SETUP_GPIO_OUTPUT(gpio, name, level) \
@@ -1275,6 +1294,7 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
 		gpio_request(IMX_GPIO_NR(1, 7) , "bklt_12ven");
 		gpio_direction_output(IMX_GPIO_NR(1, 7), 1);
 		break;
+	case GW5909:
 	case GW5904:
 		gpio_request(IMX_GPIO_NR(5, 11), "skt1_wdis#");
 		gpio_direction_output(IMX_GPIO_NR(5, 11), 1);
@@ -1553,6 +1573,7 @@ int board_mmc_init(bd_t *bis)
 		return fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
 	case GW5904:
 	case GW5905:
+	case GW5909:
 		/* usdhc3: 8bit eMMC */
 		SETUP_IOMUX_PADS(gw5904_emmc_pads);
 		usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
@@ -1582,6 +1603,7 @@ int board_mmc_getcd(struct mmc *mmc)
 	case GW5903:
 	case GW5904:
 	case GW5905:
+	case GW5909:
 		/* emmc is always present */
 		if (cfg->esdhc_base == USDHC3_BASE_ADDR)
 			return 1;

board/gateworks/gw_ventana/eeprom.c

@@ -109,6 +109,8 @@ read_eeprom(int bus, struct ventana_board_info *info)
 			type = GW5907;
 		else if (info->model[4] == '0' && info->model[5] == '8')
 			type = GW5908;
+		else if (info->model[4] == '0' && info->model[5] == '9')
+			type = GW5909;
 		break;
 	}
 	return type;

board/gateworks/gw_ventana/ventana_eeprom.h

@@ -118,6 +118,7 @@ enum {
 	GW5906,
 	GW5907,
 	GW5908,
+	GW5909,
 	GW_UNKNOWN,
 	GW_BADCRC,
 };