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 <oleksandr.suvorov@toradex.com>
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index df32592..917eb0b 100644 (file)
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -140,8 +140,12 @@
 
 &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 {
@@ -242,8 +246,11 @@
 
 &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 {
@@ -536,6 +543,13 @@
                >;
        };
 
+       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
@@ -736,6 +750,13 @@
                >;
        };
 
+       pinctrl_i2c1_recovery: i2c1-recoverygrp {
+               fsl,pins = <
+                       MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4     0x4000007f
+                       MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5     0x4000007f
+               >;
+       };
+
        pinctrl_cd_usdhc1: usdhc1-cd-grp {
                fsl,pins = <
                        MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0     0x59 /* CD */