arm64: dts: imx8mp-msc-sm2s: Add i2c{1,6} sda-/scl-gpios

Add i2c{1,6} sda-/scl-gpios with the corresponding pinmux entries.
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi

@@ -200,8 +200,11 @@ ethphy1: ethernet-phy@1 {
 };
 
 &i2c1 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c1>;
+	pinctrl-1 = <&pinctrl_i2c1_gpio>;
+	scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	clock-frequency = <400000>;
 	status = "okay";
 
@@ -241,8 +244,11 @@ &i2c5 {
 };
 
 &i2c6 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c6>;
+	pinctrl-1 = <&pinctrl_i2c6_gpio>;
+	scl-gpios = <&gpio3 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio3 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	clock-frequency = <400000>;
 	status = "okay";
 
@@ -606,6 +612,12 @@ pinctrl_i2c1: i2c1grp {
 			<MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA		0x400001e0>;
 	};
 
+	pinctrl_i2c1_gpio: i2c1gpiogrp {
+		fsl,pins =
+			<MX8MP_IOMUXC_I2C1_SCL__GPIO5_IO14		0x1e0>,
+			<MX8MP_IOMUXC_I2C1_SDA__GPIO5_IO15		0x1e0>;
+	};
+
 	pinctrl_i2c2: i2c2grp {
 		fsl,pins =
 			<MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL		0x400001e0>,
@@ -636,6 +648,12 @@ pinctrl_i2c6: i2c6grp {
 			<MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA		0x400001e0>;
 	};
 
+	pinctrl_i2c6_gpio: i2c6gpiogrp {
+		fsl,pins =
+			<MX8MP_IOMUXC_SAI5_RXFS__GPIO3_IO19		0x1e0>,
+			<MX8MP_IOMUXC_SAI5_RXC__GPIO3_IO20		0x1e0>;
+	};
+
 	pinctrl_lcd0_backlight: lcd0-backlightgrp {
 		fsl,pins =
 			<MX8MP_IOMUXC_GPIO1_IO05__GPIO1_IO05		0x41>;