diff mbox series

[4/4] ARM: dts: i.MX51: digi-connectcore-som: Add support for I2C bus recovery

Message ID 20181223060342.32054-4-shc_work@mail.ru (mailing list archive)
State New, archived
Headers show
Series [1/4] ARM: dts: i.MX51: Add device_type to Digi ConnectCore memory node | expand

Commit Message

Alexander Shiyan Dec. 23, 2018, 6:03 a.m. UTC 
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>
---
 arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
diff mbox series

Patch

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