diff options
| author | Tim Harvey <tharvey@gateworks.com> | 2022-09-21 09:46:20 -0700 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-10-23 20:42:28 +0800 |
| commit | 19d0fc9e973406b32573ff683eda1b70b6d72c26 (patch) | |
| tree | d7329bad876e0ba7c8c3d743c8660398a9cf14f4 /arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts | |
| parent | 3fff54653ac2d6fd11fcbb3a303abb2e050c799b (diff) | |
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 <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts index dd4302ac1de4..187e0410b87d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts @@ -297,8 +297,11 @@ &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 { @@ -565,8 +568,11 @@ &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"; accelerometer@19 { @@ -584,16 +590,22 @@ /* off-board header */ &i2c3 { clock-frequency = <400000>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c3>; + pinctrl-1 = <&pinctrl_i2c3_gpio>; + scl-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; }; /* off-board header */ &i2c4 { clock-frequency = <400000>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c4>; + pinctrl-1 = <&pinctrl_i2c4_gpio>; + scl-gpios = <&gpio5 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; }; @@ -744,6 +756,13 @@ >; }; + pinctrl_i2c1_gpio: i2c1gpiogrp { + fsl,pins = < + MX8MN_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c3 + MX8MN_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c3 + >; + }; + pinctrl_i2c2: i2c2grp { fsl,pins = < MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3 @@ -751,6 +770,13 @@ >; }; + pinctrl_i2c2_gpio: i2c2gpiogrp { + fsl,pins = < + MX8MN_IOMUXC_I2C2_SCL_GPIO5_IO16 0x400001c3 + MX8MN_IOMUXC_I2C2_SDA_GPIO5_IO17 0x400001c3 + >; + }; + pinctrl_i2c3: i2c3grp { fsl,pins = < MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3 @@ -758,6 +784,13 @@ >; }; + pinctrl_i2c3_gpio: i2c3gpiogrp { + fsl,pins = < + MX8MN_IOMUXC_I2C3_SCL_GPIO5_IO18 0x400001c3 + MX8MN_IOMUXC_I2C3_SDA_GPIO5_IO19 0x400001c3 + >; + }; + pinctrl_i2c4: i2c4grp { fsl,pins = < MX8MN_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3 @@ -765,6 +798,13 @@ >; }; + pinctrl_i2c4_gpio: i2c4gpiogrp { + fsl,pins = < + MX8MN_IOMUXC_I2C4_SCL_GPIO5_IO20 0x400001c3 + MX8MN_IOMUXC_I2C4_SDA_GPIO5_IO21 0x400001c3 + >; + }; + pinctrl_gpio_leds: gpioledgrp { fsl,pins = < MX8MN_IOMUXC_SAI5_RXD0_GPIO3_IO21 0x19 |