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Commit ef4eec2b authored by Lothar Waßmann's avatar Lothar Waßmann Committed by Shawn Guo
Browse files

ARM: dts: imx53-tx53: add support for I2C bus recovery 



The imx-i2c driver supports automatic bus recovery via the GPIO
function of the I2C pins. Enable this functionality for the Ka-Ro
electronics TX53 modules.

Signed-off-by: default avatarLothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent d5191607

arch/arm/boot/dts/imx53-tx53-x13x.dts

+4 −1
Original line number Diff line number Diff line
@@ -121,8 +121,11 @@ 
};



&i2c3 {

	pinctrl-names = "default";

	pinctrl-names = "default", "gpio";

	pinctrl-0 = <&pinctrl_i2c3>;

	pinctrl-1 = <&pinctrl_i2c3_gpio>;

	scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;

	sda-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>;

	status = "okay";



	sgtl5000: codec@0a {

arch/arm/boot/dts/imx53-tx53.dtsi

+18 −1
Original line number Diff line number Diff line
@@ -233,8 +233,11 @@ 
};



&i2c1 {

	pinctrl-names = "default";

	pinctrl-names = "default", "gpio";

	pinctrl-0 = <&pinctrl_i2c1>;

	pinctrl-0 = <&pinctrl_i2c1_gpio>;

	scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;

	sda-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>;

	clock-frequency = <400000>;

	status = "okay";
@@ -394,6 +397,13 @@ 
			>;

		};



		pinctrl_i2c1_gpio: i2c1-gpiogrp {

			fsl,pins = <

				MX53_PAD_EIM_D21__GPIO3_21		0x400001e6

				MX53_PAD_EIM_D28__GPIO3_28		0x400001e6

			>;

		};



		pinctrl_i2c3: i2c3grp {

			fsl,pins = <

				MX53_PAD_GPIO_3__I2C3_SCL		0x400001e4
@@ -401,6 +411,13 @@ 
			>;

		};



		pinctrl_i2c3_gpio: i2c3-gpiogrp {

			fsl,pins = <

				MX53_PAD_GPIO_3__GPIO1_3		0x400001e6

				MX53_PAD_GPIO_6__GPIO1_6		0x400001e6

			>;

		};



		pinctrl_nand: nandgrp {

			fsl,pins = <

				MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B	0x4