arm64: dts: imx8m*-venice: add I2C GPIO bus recovery support

[linux-2.6-microblaze.git] / arch / arm64 / boot / dts / freescale / imx8mn-venice-gw7902.dts

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
index dd4302a..187e041 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
@@ -297,8 +297,11 @@
 
 &i2c1 {
        clock-frequency = <100000>;
-       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)>;
        status = "okay";
 
        gsc: gsc@20 {
@@ -565,8 +568,11 @@
 
 &i2c2 {
        clock-frequency = <400000>;
-       pinctrl-names = "default";
+       pinctrl-names = "default", "gpio";
        pinctrl-0 = <&pinctrl_i2c2>;
+       pinctrl-1 = <&pinctrl_i2c2_gpio>;
+       scl-gpios = <&gpio5 16 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+       sda-gpios = <&gpio5 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
        status = "okay";
 
        accelerometer@19 {
@@ -584,16 +590,22 @@
 /* off-board header */
 &i2c3 {
        clock-frequency = <400000>;
-       pinctrl-names = "default";
+       pinctrl-names = "default", "gpio";
        pinctrl-0 = <&pinctrl_i2c3>;
+       pinctrl-1 = <&pinctrl_i2c3_gpio>;
+       scl-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+       sda-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
        status = "okay";
 };
 
 /* off-board header */
 &i2c4 {
        clock-frequency = <400000>;
-       pinctrl-names = "default";
+       pinctrl-names = "default", "gpio";
        pinctrl-0 = <&pinctrl_i2c4>;
+       pinctrl-1 = <&pinctrl_i2c4_gpio>;
+       scl-gpios = <&gpio5 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+       sda-gpios = <&gpio5 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
        status = "okay";
 };
 
@@ -744,6 +756,13 @@
                >;
        };
 
+       pinctrl_i2c1_gpio: i2c1gpiogrp {
+               fsl,pins = <
+                       MX8MN_IOMUXC_I2C1_SCL_GPIO5_IO14        0x400001c3
+                       MX8MN_IOMUXC_I2C1_SDA_GPIO5_IO15        0x400001c3
+               >;
+       };
+
        pinctrl_i2c2: i2c2grp {
                fsl,pins = <
                        MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL          0x400001c3
@@ -751,6 +770,13 @@
                >;
        };
 
+       pinctrl_i2c2_gpio: i2c2gpiogrp {
+               fsl,pins = <
+                       MX8MN_IOMUXC_I2C2_SCL_GPIO5_IO16        0x400001c3
+                       MX8MN_IOMUXC_I2C2_SDA_GPIO5_IO17        0x400001c3
+               >;
+       };
+
        pinctrl_i2c3: i2c3grp {
                fsl,pins = <
                        MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL          0x400001c3
@@ -758,6 +784,13 @@
                >;
        };
 
+       pinctrl_i2c3_gpio: i2c3gpiogrp {
+               fsl,pins = <
+                       MX8MN_IOMUXC_I2C3_SCL_GPIO5_IO18        0x400001c3
+                       MX8MN_IOMUXC_I2C3_SDA_GPIO5_IO19        0x400001c3
+               >;
+       };
+
        pinctrl_i2c4: i2c4grp {
                fsl,pins = <
                        MX8MN_IOMUXC_I2C4_SCL_I2C4_SCL          0x400001c3
@@ -765,6 +798,13 @@
                >;
        };
 
+       pinctrl_i2c4_gpio: i2c4gpiogrp {
+               fsl,pins = <
+                       MX8MN_IOMUXC_I2C4_SCL_GPIO5_IO20        0x400001c3
+                       MX8MN_IOMUXC_I2C4_SDA_GPIO5_IO21        0x400001c3
+               >;
+       };
+
        pinctrl_gpio_leds: gpioledgrp {
                fsl,pins = <
                        MX8MN_IOMUXC_SAI5_RXD0_GPIO3_IO21       0x19