Message ID | 20220824135921.1843567-17-frieder@fris.de |
---|---|
State | Awaiting Upstream |
Delegated to: | Stefano Babic |
Headers | show |
Series | imx: kontron-sl-mx8mm: Improvements and OSM board support | expand |
> From: Frieder Schrempf <frieder.schrempf@kontron.de> > Enable the I2C bus and set a env variable for the reset GPIO of the touch > controller. This allows us to probe the panel in a script. > Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> > Reviewed-by: Fabio Estevam <festevam@denx.de> Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic
diff --git a/arch/arm/dts/imx8mm-kontron-bl-common-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-bl-common-u-boot.dtsi index e7e900d4fa8..5b8b472159a 100644 --- a/arch/arm/dts/imx8mm-kontron-bl-common-u-boot.dtsi +++ b/arch/arm/dts/imx8mm-kontron-bl-common-u-boot.dtsi @@ -48,8 +48,17 @@ &i2c2 { status = "okay"; - u-boot,dm-spl; - u-boot,dm-pre-reloc; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; +}; + +&iomuxc { + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3 + MX8MM_IOMUXC_I2C2_SDA_I2C2_SDA 0x400001c3 + >; + }; }; &pinctrl_ecspi1 { diff --git a/arch/arm/dts/imx8mm-kontron-bl-osm-s-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-bl-osm-s-u-boot.dtsi index cd990b16720..fac24a21fbf 100644 --- a/arch/arm/dts/imx8mm-kontron-bl-osm-s-u-boot.dtsi +++ b/arch/arm/dts/imx8mm-kontron-bl-osm-s-u-boot.dtsi @@ -4,3 +4,11 @@ */ #include "imx8mm-kontron-bl-common-u-boot.dtsi" + +&iomuxc { + pinctrl_touch: touchgrp { + fsl,pins = < + MX8MM_IOMUXC_SAI5_RXD2_GPIO3_IO23 0x19 /* Touch Reset */ + >; + }; +}; diff --git a/arch/arm/dts/imx8mm-kontron-bl-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-bl-u-boot.dtsi index cd990b16720..e9fa8d7b2a1 100644 --- a/arch/arm/dts/imx8mm-kontron-bl-u-boot.dtsi +++ b/arch/arm/dts/imx8mm-kontron-bl-u-boot.dtsi @@ -4,3 +4,11 @@ */ #include "imx8mm-kontron-bl-common-u-boot.dtsi" + +&iomuxc { + pinctrl_touch: touchgrp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_TXD3_GPIO4_IO15 0x19 /* Touch Reset */ + >; + }; +}; diff --git a/board/kontron/sl-mx8mm/sl-mx8mm.c b/board/kontron/sl-mx8mm/sl-mx8mm.c index 641130112aa..4ac430b29a9 100644 --- a/board/kontron/sl-mx8mm/sl-mx8mm.c +++ b/board/kontron/sl-mx8mm/sl-mx8mm.c @@ -126,8 +126,11 @@ int board_late_init(void) if (!fdt_node_check_compatible(gd->fdt_blob, 0, "kontron,imx8mm-n802x-som") || !fdt_node_check_compatible(gd->fdt_blob, 0, "kontron,imx8mm-osm-s")) { env_set("som_type", "osm-s"); - else + env_set("touch_rst_gpio", "111"); + } else { env_set("som_type", "sl"); + env_set("touch_rst_gpio", "87"); + } return 0; }