diff options
| author | Alexander Shiyan <[email protected]> | 2018-12-23 09:03:42 +0300 |
|---|---|---|
| committer | Shawn Guo <[email protected]> | 2019-01-12 11:05:30 +0800 |
| commit | 0d422e670b6f9c26a2ef54700a6baa03230a4283 (patch) | |
| tree | 03257582c0bcc1f8f94ab0ff834b72928d2c0476 | |
| parent | 526f56a359c5f7681ba640e8c797d97c98b1b259 (diff) | |
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 <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>
| -rw-r--r-- | arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi b/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi index a2a6408203e3..d90ba5fe4f1b 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 |