From 0d422e670b6f9c26a2ef54700a6baa03230a4283 Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Sun, 23 Dec 2018 09:03:42 +0300 Subject: [PATCH] ARM: dts: i.MX51: digi-connectcore-som: Add support for I2C bus recovery Define the required properties to enable I2C bus recovery supported by the I2C subsystem. This patch adds GPIO based I2C fault injector for Digi Connectcore SOM. Signed-off-by: Alexander Shiyan Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi b/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi index a2a6408203e3e..d90ba5fe4f1bf 100644 --- a/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi +++ b/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi @@ -174,9 +174,12 @@ }; &i2c2 { - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; + pinctrl-1 = <&pinctrl_i2c2_gpio>; clock-frequency = <400000>; + scl-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + sda-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>; status = "okay"; mma7455l@1d { @@ -290,6 +293,13 @@ >; }; + pinctrl_i2c2_gpio: i2c2gpiogrp { + fsl,pins = < + MX51_PAD_GPIO1_2__GPIO1_2 0x400001ed + MX51_PAD_GPIO1_3__GPIO1_3 0x400001ed + >; + }; + pinctrl_nfc: nfcgrp { fsl,pins = < MX51_PAD_NANDF_D0__NANDF_D0 0x80000000 -- 2.30.2