ARM: dts: imx7-colibri: add recovery for I2C for iMX7

- add recovery mode for applicable i2c buses for
Colibri iMX7 module.

Signed-off-by: Oleksandr Suvorov <[e-mail]>
Signed-off-by: Philippe Schenker <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/imx7-colibri.dtsi

···
 
 &i2c1 {
 	clock-frequency = <100000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c1 &pinctrl_i2c1_int>;
+	pinctrl-1 = <&pinctrl_i2c1_recovery &pinctrl_i2c1_int>;
+	scl-gpios = <&gpio1 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio1 5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+
 	status = "okay";
 
 	codec: sgtl5000@a {
···
 
 &i2c4 {
 	clock-frequency = <100000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c4>;
+	pinctrl-1 = <&pinctrl_i2c4_recovery>;
+	scl-gpios = <&gpio7 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio7 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 };
 
 &lcdif {
···
 		>;
 	};
 
+	pinctrl_i2c4_recovery: i2c4-recoverygrp {
+		fsl,pins = <
+			MX7D_PAD_ENET1_RGMII_TD2__GPIO7_IO8	0x4000007f
+			MX7D_PAD_ENET1_RGMII_TD3__GPIO7_IO9	0x4000007f
+		>;
+	};
+
 	pinctrl_lcdif_dat: lcdif-dat-grp {
 		fsl,pins = <
 			MX7D_PAD_LCD_DATA00__LCD_DATA0		0x79
···
 		fsl,pins = <
 			MX7D_PAD_LPSR_GPIO1_IO05__I2C1_SDA	0x4000007f
 			MX7D_PAD_LPSR_GPIO1_IO04__I2C1_SCL	0x4000007f
+		>;
+	};
+
+	pinctrl_i2c1_recovery: i2c1-recoverygrp {
+		fsl,pins = <
+			MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4	0x4000007f
+			MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x4000007f
 		>;
 	};