diff options
| author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2021-11-21 19:05:17 +0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2022-02-05 15:38:39 +0300 |
| commit | 4821074becd286c6878bfd5f6d7e41dbd65fa9a1 (patch) | |
| tree | a9e375f2a3bc07129f079d402d1eb3a4f5ecbf22 | |
| parent | 99dd2549a1a0394694dcf3fda1c9cc4498b10ed4 (diff) | |
| download | u-boot-4821074becd286c6878bfd5f6d7e41dbd65fa9a1.tar.xz | |
colibri-imx8x: add on-module gpio expander fxl6408
The FXL6408 GPIO expander manages critical devices,
including on-module USB hub. Configure the expander to
switch the USB hub into bypass mode, allowing to use
on-carrier-board USB hub.
Signed-off-by: Oleksandr Suvorov <cryosay@gmail.com>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
| -rw-r--r-- | arch/arm/dts/fsl-imx8qxp-colibri.dts | 27 | ||||
| -rw-r--r-- | configs/colibri-imx8x_defconfig | 1 |
2 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/dts/fsl-imx8qxp-colibri.dts b/arch/arm/dts/fsl-imx8qxp-colibri.dts index 11ece34c02..df992ac639 100644 --- a/arch/arm/dts/fsl-imx8qxp-colibri.dts +++ b/arch/arm/dts/fsl-imx8qxp-colibri.dts @@ -129,6 +129,14 @@ >; }; + /* On Module I2C */ + pinctrl_i2c0: i2c0grp { + fsl,pins = < + SC_P_MIPI_CSI0_GPIO0_00_ADMA_I2C0_SCL 0x06000021 + SC_P_MIPI_CSI0_GPIO0_01_ADMA_I2C0_SDA 0x06000021 + >; + }; + /* Off Module I2C */ pinctrl_i2c1: i2c1grp { fsl,pins = < @@ -298,6 +306,25 @@ }; }; +&i2c0 { + #address-cells = <1>; + #size-cells = <0>; + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c0>; + status = "okay"; + + /* GPIO expander */ + gpio_expander_43: gpio-expander@43 { + compatible = "fcs,fxl6408"; + gpio-controller; + #gpio-cells = <2>; + reg = <0x43>; + initial_io_dir = <0xff>; + initial_output = <0x05>; + }; +}; + &i2c1 { #address-cells = <1>; #size-cells = <0>; diff --git a/configs/colibri-imx8x_defconfig b/configs/colibri-imx8x_defconfig index 22bed95324..a9b0f35716 100644 --- a/configs/colibri-imx8x_defconfig +++ b/configs/colibri-imx8x_defconfig @@ -41,6 +41,7 @@ CONFIG_TFTP_BLOCKSIZE=4096 CONFIG_TFTP_TSIZE=y CONFIG_CLK_IMX8=y CONFIG_CPU=y +CONFIG_FXL6408_GPIO=y CONFIG_MXC_GPIO=y CONFIG_DM_I2C=y CONFIG_SYS_I2C_IMX_LPI2C=y |