From 19d0fc9e973406b32573ff683eda1b70b6d72c26 Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Wed, 21 Sep 2022 09:46:20 -0700 Subject: arm64: dts: imx8m*-venice: add I2C GPIO bus recovery support Add I2C GPIO bus recovery support by adding scl-gpios and sda-gpios for the various I2C busses on Gateworks Venice boards. Signed-off-by: Tim Harvey Signed-off-by: Shawn Guo --- .../boot/dts/freescale/imx8mm-venice-gw700x.dtsi | 24 ++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi') diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi index 66a0d103c90f..c305e325d007 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi @@ -119,8 +119,11 @@ &i2c1 { clock-frequency = <100000>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; gsc: gsc@20 { @@ -365,8 +368,11 @@ &i2c2 { clock-frequency = <400000>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; + pinctrl-1 = <&pinctrl_i2c2_gpio>; + scl-gpios = <&gpio5 16 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; eeprom@52 { @@ -435,6 +441,13 @@ >; }; + pinctrl_i2c1_gpio: i2c1gpiogrp { + fsl,pins = < + MX8MM_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c3 + MX8MM_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c3 + >; + }; + pinctrl_i2c2: i2c2grp { fsl,pins = < MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3 @@ -442,6 +455,13 @@ >; }; + pinctrl_i2c2_gpio: i2c2gpiogrp { + fsl,pins = < + MX8MM_IOMUXC_I2C2_SCL_GPIO5_IO16 0x400001c3 + MX8MM_IOMUXC_I2C2_SDA_GPIO5_IO17 0x400001c3 + >; + }; + pinctrl_uart2: uart2grp { fsl,pins = < MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140 -- cgit