arm64: dts: imx8m{m, n}-venice-gw7902: add gpio pins for new board revision

Add gpio pins present on new board revision:
 * LTE modem support (imx8mm-gw7902 only)
  - lte_pwr#
  - lte_rst
  - lte_int
 * M2 power enable
  - m2_pwr_en
 * off-board 4.0V supply
  - vdd_4p0_en

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

arch/arm/dts/imx8mm-venice-gw7902-u-boot.dtsi

@@ -6,6 +6,13 @@
 #include "imx8mm-venice-u-boot.dtsi"
 
 &gpio1 {
+	m2pwren {
+		gpio-hog;
+		output-low;
+		gpios = <8 GPIO_ACTIVE_HIGH>;
+		line-name = "m2_pwren";
+	};
+
 	m2rst {
 		gpio-hog;
 		output-low;
@@ -96,6 +103,13 @@
 		line-name = "app_gpio1";
 	};
 
+	vdd4p0en {
+		gpio-hog;
+		output-low;
+		gpios = <22 GPIO_ACTIVE_HIGH>;
+		line-name = "vdd_4p0_en";
+	};
+
 	uart1rs485 {
 		gpio-hog;
 		output-low;

arch/arm/dts/imx8mm-venice-gw7902.dts

@@ -261,7 +261,7 @@
 
 &gpio1 {
 	gpio-line-names = "", "", "", "", "", "", "", "",
-		"", "", "", "", "", "m2_reset", "", "m2_wdis#",
+		"m2_pwr_en", "", "", "", "", "m2_reset", "", "m2_wdis#",
 		"", "", "", "", "", "", "", "",
 		"", "", "", "", "", "", "", "";
 };
@@ -283,7 +283,8 @@
 &gpio4 {
 	gpio-line-names = "", "", "", "", "", "", "", "",
 		"", "", "", "amp_gpio3", "amp_gpio2", "", "amp_gpio1", "",
-		"", "", "", "", "amp_gpio4", "app_gpio1", "", "uart1_rs485",
+		"lte_pwr#", "lte_rst", "lte_int", "",
+		"amp_gpio4", "app_gpio1", "vdd_4p0_en", "uart1_rs485",
 		"", "uart1_term", "uart1_half", "app_gpio2",
 		"mipi_gpio1", "", "", "";
 };
@@ -738,14 +739,19 @@
 	pinctrl_hog: hoggrp {
 		fsl,pins = <
 			MX8MM_IOMUXC_NAND_CE0_B_GPIO3_IO1	0x40000159 /* M2_GDIS# */
+			MX8MM_IOMUXC_GPIO1_IO08_GPIO1_IO8	0x40000041 /* M2_PWR_EN */
 			MX8MM_IOMUXC_GPIO1_IO13_GPIO1_IO13	0x40000041 /* M2_RESET */
 			MX8MM_IOMUXC_NAND_DATA01_GPIO3_IO7	0x40000119 /* M2_OFF# */
 			MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15	0x40000159 /* M2_WDIS# */
+			MX8MM_IOMUXC_SAI1_TXD6_GPIO4_IO18       0x40000041 /* LTE_INT */
+			MX8MM_IOMUXC_SAI1_TXD5_GPIO4_IO17       0x40000041 /* LTE_RST# */
+			MX8MM_IOMUXC_SAI1_TXD4_GPIO4_IO16       0x40000041 /* LTE_PWR */
 			MX8MM_IOMUXC_SAI1_TXD2_GPIO4_IO14	0x40000041 /* AMP GPIO1 */
 			MX8MM_IOMUXC_SAI1_TXD0_GPIO4_IO12	0x40000041 /* AMP GPIO2 */
 			MX8MM_IOMUXC_SAI1_TXC_GPIO4_IO11	0x40000041 /* AMP GPIO3 */
 			MX8MM_IOMUXC_SAI1_MCLK_GPIO4_IO20	0x40000041 /* AMP_GPIO4 */
 			MX8MM_IOMUXC_SAI2_RXFS_GPIO4_IO21	0x40000041 /* APP GPIO1 */
+			MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22	0x40000041 /* VDD_4P0_EN */
 			MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27	0x40000041 /* APP GPIO2 */
 			MX8MM_IOMUXC_SD1_DATA6_GPIO2_IO8	0x40000041 /* UART2_EN# */
 			MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28	0x40000041 /* MIPI_GPIO1 */
@@ -779,8 +785,6 @@
 			MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
 			MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10		0x19 /* RST# */
 			MX8MM_IOMUXC_GPIO1_IO11_GPIO1_IO11		0x19 /* IRQ# */
-			MX8MM_IOMUXC_GPIO1_IO08_ENET1_1588_EVENT0_IN	0x141
-			MX8MM_IOMUXC_GPIO1_IO09_ENET1_1588_EVENT0_OUT	0x141
 		>;
 	};
 

arch/arm/dts/imx8mn-venice-gw7902-u-boot.dtsi

@@ -6,6 +6,13 @@
 #include "imx8mn-venice-u-boot.dtsi"
 
 &gpio1 {
+	m2pwren {
+		gpio-hog;
+		output-low;
+		gpios = <8 GPIO_ACTIVE_HIGH>;
+		line-name = "m2_pwren";
+	};
+
 	m2rst {
 		gpio-hog;
 		output-low;
@@ -54,6 +61,13 @@
 		line-name = "app_gpio1";
 	};
 
+	vdd4p0en {
+		gpio-hog;
+		output-low;
+		gpios = <22 GPIO_ACTIVE_HIGH>;
+		line-name = "vdd_4p0_en";
+	};
+
 	uart1rs485 {
 		gpio-hog;
 		output-low;

arch/arm/dts/imx8mn-venice-gw7902.dts

@@ -256,7 +256,7 @@
 
 &gpio1 {
 	gpio-line-names = "", "", "", "", "", "", "", "",
-		"", "", "", "", "", "m2_reset", "", "m2_wdis#",
+		"m2_pwr_en", "", "", "", "", "m2_reset", "", "m2_wdis#",
 		"", "", "", "", "", "", "", "",
 		"", "", "", "", "", "", "", "";
 };
@@ -278,7 +278,7 @@
 &gpio4 {
 	gpio-line-names = "", "", "", "", "", "", "", "",
 		"", "", "", "", "", "", "", "",
-		"", "", "", "", "", "app_gpio1", "", "uart1_rs485",
+		"", "", "", "", "", "app_gpio1", "vdd_4p0_en", "uart1_rs485",
 		"", "uart1_term", "uart1_half", "app_gpio2",
 		"mipi_gpio1", "", "", "";
 };
@@ -689,10 +689,12 @@
 	pinctrl_hog: hoggrp {
 		fsl,pins = <
 			MX8MN_IOMUXC_NAND_CE0_B_GPIO3_IO1	0x40000159 /* M2_GDIS# */
+			MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8	0x40000041 /* M2_PWR_EN */
 			MX8MN_IOMUXC_GPIO1_IO13_GPIO1_IO13	0x40000041 /* M2_RESET */
 			MX8MN_IOMUXC_NAND_DATA01_GPIO3_IO7	0x40000119 /* M2_OFF# */
 			MX8MN_IOMUXC_GPIO1_IO15_GPIO1_IO15	0x40000159 /* M2_WDIS# */
 			MX8MN_IOMUXC_SAI2_RXFS_GPIO4_IO21	0x40000041 /* APP GPIO1 */
+			MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22	0x40000041 /* VDD_4P0_EN */
 			MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27	0x40000041 /* APP GPIO2 */
 			MX8MN_IOMUXC_SD1_DATA6_GPIO2_IO8	0x40000041 /* UART2_EN# */
 			MX8MN_IOMUXC_SAI3_RXFS_GPIO4_IO28	0x40000041 /* MIPI_GPIO1 */
@@ -726,8 +728,6 @@
 			MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
 			MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10		0x19 /* RST# */
 			MX8MN_IOMUXC_GPIO1_IO11_GPIO1_IO11		0x19 /* IRQ# */
-			MX8MN_IOMUXC_GPIO1_IO08_ENET1_1588_EVENT0_IN	0x141
-			MX8MN_IOMUXC_GPIO1_IO09_ENET1_1588_EVENT0_OUT	0x141
 		>;
 	};