ARM: dts: imx6ul-txul: enable I2C bus recovery

Define the required properties to enable I2C bus recovery supported by
the I2C subsystem.

diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
index ec745eb3b6a853b1aab6eb7faab14c30e68bcdf7..d30c4e05e624878a4847ac40038d39924cb30ae4 100644 (file)
--- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Lothar Waßmann <LW@KARO-electronics.de>
+ * Copyright 2015-2017 Lothar Waßmann <LW@KARO-electronics.de>
  *
  * This file is dual-licensed: you can use it either under the terms
  * of the GPL or the X11 license, at your option. Note that this dual
@@ -357,8 +357,11 @@
 };
 
 &i2c2 {
-       pinctrl-names = "default";
+       pinctrl-names = "default", "gpio";
        pinctrl-0 = <&pinctrl_i2c2>;
+       pinctrl-1 = <&pinctrl_i2c2_gpio>;
+       scl-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+       sda-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
        clock-frequency = <400000>;
        status = "okay";
 
@@ -817,6 +820,13 @@
                >;
        };
 
+       pinctrl_i2c2_gpio: i2c2-gpiogrp {
+               fsl,pins = <
+                       MX6UL_PAD_GPIO1_IO00__GPIO1_IO00        0x4001b0b9
+                       MX6UL_PAD_GPIO1_IO01__GPIO1_IO01        0x4001b0b9
+               >;
+       };
+
        pinctrl_kpp: kppgrp {
                fsl,pins = <
                        MX6UL_PAD_ENET2_RX_DATA1__KPP_COL04     0x1b0b0