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ARM: dts: i.MX51: digi-connectcore-som: Add support for I2C bus recovery

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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 <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Alexander Shiyan 2018-12-23 09:03:42 +03:00 committed by Shawn Guo
parent 526f56a359
commit 0d422e670b
1 changed files with 11 additions and 1 deletions
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12
arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi
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@ -174,9 +174,12 @@
}; };
&i2c2 { &i2c2 {
pinctrl-names = "default"; pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>; pinctrl-0 = <&pinctrl_i2c2>;
pinctrl-1 = <&pinctrl_i2c2_gpio>;
clock-frequency = <400000>; clock-frequency = <400000>;
scl-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
sda-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
status = "okay"; status = "okay";
mma7455l@1d { 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 { pinctrl_nfc: nfcgrp {
fsl,pins = < fsl,pins = <
MX51_PAD_NANDF_D0__NANDF_D0 0x80000000 MX51_PAD_NANDF_D0__NANDF_D0 0x80000000