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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- 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 a2a6408..d90ba5f 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 -- 2.10.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel