[08/12] ARM: dts: imx6-tx6: add support for I2C bus recovery

Message ID 1507722635-30801-9-git-send-email-LW@KARO-electronics.de
State New
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Series
  • ARM: dts: imx6: Update dts files for the Ka-Ro TX6 module series
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Commit Message

Lothar Waßmann Oct. 11, 2017, 11:50 a.m.
Define the required properties to enable I2C bus recovery supported by
the I2C subsystem.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
---
 arch/arm/boot/dts/imx6qdl-tx6.dtsi | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

Patch

diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
index e0dbf8b..9b563d4 100644
--- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
@@ -310,8 +310,11 @@ 
 };
 
 &i2c1 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c1>;
+	pinctrl-1 = <&pinctrl_i2c1_gpio>;
+	scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>;
 	clock-frequency = <400000>;
 	status = "okay";
 
@@ -324,8 +327,11 @@ 
 };
 
 &i2c3 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c3>;
+	pinctrl-1 = <&pinctrl_i2c3_gpio>;
+	scl-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
 	clock-frequency = <400000>;
 	status = "okay";
 
@@ -551,6 +557,13 @@ 
 		>;
 	};
 
+	pinctrl_i2c1_gpio: i2c1-gpiogrp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_D21__GPIO3_IO21		0x4001b8b1
+			MX6QDL_PAD_EIM_D28__GPIO3_IO28		0x4001b8b1
+		>;
+	};
+
 	pinctrl_i2c3: i2c3grp {
 		fsl,pins = <
 			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1
@@ -558,6 +571,13 @@ 
 		>;
 	};
 
+	pinctrl_i2c3_gpio: i2c3-gpiogrp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_3__GPIO1_IO03		0x4001b8b1
+			MX6QDL_PAD_GPIO_6__GPIO1_IO06		0x4001b8b1
+		>;
+	};
+
 	pinctrl_kpp: kppgrp {
 		fsl,pins = <
 			MX6QDL_PAD_GPIO_9__KEY_COL6		0x1b0b1