From: Lothar Waßmann <LW@KARO-electronics.de>
Date: Tue, 24 Oct 2017 13:18:09 +0000 (+0200)
Subject: ARM: dts: imx6ul-txul: enable I2C bus recovery
X-Git-Tag: KARO-TX6-2017-10-26~3^2~5
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=commitdiff_plain;h=5f2518d8822175ba21dd76095d0edee9b46d3105

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 ec745eb3b6a8..d30c4e05e624 100644
--- 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