Re: [PATCH v8 3/3] ARM: dts: imx6q: Add Variscite MX6 Custom board support

From: Shawn Guo
Date: Wed Sep 20 2023 - 11:11:59 EST

On Fri, Aug 11, 2023 at 01:20:06AM -0600, James Hilliard wrote:
> This patch adds support for the Variscite MX6 SoM Carrier Board.
>
> This Carrier-Board has the following :
> - LVDS interface for the VLCD-CAP-GLD-LVDS 7" LCD 800 x 480 touch display
> - HDMI Connector
> - USB Host + USB OTG Connector
> - 10/100/1000 Mbps Ethernet
> - miniPCI-Express slot
> - SD Card connector
> - Audio Headphone/Line In jack connectors
> - S-ATA
> - On-board DMIC
> - RS485 Header
> - CAN bus header
> - SPI header
> - Camera Interfaces header
> - OnBoard RTC with Coin Backup battery socket
> - RS232 Debug Header (IDC10)
> - RS232 DTE
>
> Product Page : https://www.variscite.com/product/single-board-computers/var-mx6customboard
>
> The dts file based on the ones provided by Variscite on their own
> kernel, but adapted for mainline.
>
> Cc: Pierluigi Passaro <pierluigi.p@xxxxxxxxxxxxx>
> Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
> Signed-off-by: James Hilliard <james.hilliard1@xxxxxxxxx>
> ---
> arch/arm/boot/dts/nxp/imx/Makefile | 1 +
> .../dts/nxp/imx/imx6q-var-mx6customboard.dts | 231 ++++++++++++++++++
> 2 files changed, 232 insertions(+)
> create mode 100644 arch/arm/boot/dts/nxp/imx/imx6q-var-mx6customboard.dts
>
> diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile
> index 3629e343d322..258ec0e5b712 100644
> --- a/arch/arm/boot/dts/nxp/imx/Makefile
> +++ b/arch/arm/boot/dts/nxp/imx/Makefile
> @@ -244,6 +244,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> imx6q-udoo.dtb \
> imx6q-utilite-pro.dtb \
> imx6q-var-dt6customboard.dtb \
> + imx6q-var-mx6customboard.dtb \
> imx6q-vicut1.dtb \
> imx6q-wandboard.dtb \
> imx6q-wandboard-revb1.dtb \
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-var-mx6customboard.dts b/arch/arm/boot/dts/nxp/imx/imx6q-var-mx6customboard.dts
> new file mode 100644
> index 000000000000..e5552efc505b
> --- /dev/null
> +++ b/arch/arm/boot/dts/nxp/imx/imx6q-var-mx6customboard.dts
> @@ -0,0 +1,231 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Support for Variscite MX6 Carrier-board
> + *
> + * Copyright 2016 Variscite, Ltd. All Rights Reserved
> + * Copyright 2022 Bootlin
> + */
> +
> +/dts-v1/;
> +
> +#include "imx6qdl-var-som.dtsi"
> +#include <dt-bindings/pwm/pwm.h>
> +
> +/ {
> + model = "Variscite i.MX6 QUAD/DUAL VAR-SOM-MX6 Custom Board";
> + compatible = "variscite,mx6customboard", "variscite,var-som-imx6q", "fsl,imx6q";
> +
> + panel0: lvds-panel0 {
> + compatible = "panel-lvds";
> + backlight = <&backlight_lvds>;
> + width-mm = <152>;
> + height-mm = <91>;
> + label = "etm070001adh6";
> + data-mapping = "jeida-18";
> +
> + panel-timing {
> + clock-frequency = <32000000>;
> + hactive = <800>;
> + vactive = <480>;
> + hback-porch = <39>;
> + hfront-porch = <39>;
> + vback-porch = <29>;
> + vfront-porch = <13>;
> + hsync-len = <47>;
> + vsync-len = <2>;
> + };
> +
> + port {
> + panel_in_lvds0: endpoint {
> + remote-endpoint = <&lvds0_out>;
> + };
> + };
> + };
> +
> + panel1: lvds-panel1 {
> + compatible = "panel-lvds";
> + width-mm = <152>;
> + height-mm = <91>;
> + data-mapping = "jeida-18";
> +
> + panel-timing {
> + clock-frequency = <38251000>;
> + hactive = <800>;
> + vactive = <600>;
> + hback-porch = <112>;
> + hfront-porch = <32>;
> + vback-porch = <3>;
> + vfront-porch = <17>;
> + hsync-len = <80>;
> + vsync-len = <4>;
> + };
> +
> + port {
> + panel_in_lvds1: endpoint {
> + remote-endpoint = <&lvds1_out>;
> + };
> + };
> + };
> +
> + backlight_lvds: backlight-lvds {
> + compatible = "pwm-backlight";
> + pwms = <&pwm2 0 50000 0>;
> + brightness-levels = <0 4 8 16 32 64 128 248>;
> + default-brightness-level = <7>;
> + power-supply = <&reg_3p3v>;
> + };
> +};
> +
> +&i2c3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +
> + touchscreen@24 {
> + compatible = "cypress,tt21000";
> + reg = <0x24>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> + vdd-supply = <&reg_3p3v>;
> + touchscreen-size-x = <880>;
> + touchscreen-size-y = <1280>;
> + };
> +
> + touchscreen@38 {
> + compatible = "edt,edt-ft5306";
> + reg = <0x38>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> + touchscreen-size-x = <1800>;
> + touchscreen-size-y = <1000>;
> + };
> +};
> +
> +&iomuxc {
> + pinctrl_ipu1: ipu1grp {

Try to keep pinctrl nodes sort alphabetically.

Shawn

> + fsl,pins = <
> + MX6QDL_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK 0x10
> + MX6QDL_PAD_DI0_PIN15__IPU1_DI0_PIN15 0x10
> + MX6QDL_PAD_DI0_PIN2__IPU1_DI0_PIN02 0x10
> + MX6QDL_PAD_DI0_PIN3__IPU1_DI0_PIN03 0x10
> + MX6QDL_PAD_DI0_PIN4__IPU1_DI0_PIN04 0x10
> + MX6QDL_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 0x10
> + MX6QDL_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 0x10
> + MX6QDL_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 0x10
> + MX6QDL_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 0x10
> + MX6QDL_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 0x10
> + MX6QDL_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 0x10
> + MX6QDL_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 0x10
> + MX6QDL_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 0x10
> + MX6QDL_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 0x10
> + MX6QDL_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 0x10
> + MX6QDL_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 0x10
> + MX6QDL_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 0x10
> + MX6QDL_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 0x10
> + MX6QDL_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 0x10
> + MX6QDL_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 0x10
> + MX6QDL_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 0x10
> + MX6QDL_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 0x10
> + MX6QDL_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 0x10
> + MX6QDL_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 0x10
> + MX6QDL_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 0x10
> + MX6QDL_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 0x10
> + MX6QDL_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 0x10
> + MX6QDL_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 0x10
> + MX6QDL_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 0x10
> + >;
> + };
> +
> + pinctrl_camera: cameragrp {
> + fsl,pins = <
> + MX6QDL_PAD_CSI0_DAT12__IPU1_CSI0_DATA12 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT13__IPU1_CSI0_DATA13 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT14__IPU1_CSI0_DATA14 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT15__IPU1_CSI0_DATA15 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT16__IPU1_CSI0_DATA16 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT17__IPU1_CSI0_DATA17 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT18__IPU1_CSI0_DATA18 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT19__IPU1_CSI0_DATA19 0x1b0b0
> + MX6QDL_PAD_CSI0_DATA_EN__IPU1_CSI0_DATA_EN 0x1b0b0
> + MX6QDL_PAD_CSI0_PIXCLK__IPU1_CSI0_PIXCLK 0x1b0b0
> + MX6QDL_PAD_CSI0_MCLK__IPU1_CSI0_HSYNC 0x1b0b0
> + MX6QDL_PAD_CSI0_VSYNC__IPU1_CSI0_VSYNC 0x1b0b0
> + >;
> + };
> +
> + pinctrl_flexcan1: flexcan1grp {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_7__FLEXCAN1_TX 0x1b0b0
> + MX6QDL_PAD_GPIO_8__FLEXCAN1_RX 0x1b0b0
> + >;
> + };
> +
> + pinctrl_usbotg_var: usbotggrp {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x17059
> + >;
> + };
> +
> + pinctrl_usdhc1: usdhc1grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17071
> + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10071
> + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17071
> + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17071
> + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17071
> + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17071
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059
> + MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059
> + MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059
> + MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059
> + MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
> + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059
> + >;
> + };
> +};
> +
> +&ldb {
> + status = "okay";
> +
> + lvds-channel@0 {
> + fsl,data-mapping = "spwg";
> + fsl,data-width = <24>;
> + status = "okay";
> +
> + port@4 {
> + reg = <4>;
> +
> + lvds0_out: endpoint {
> + remote-endpoint = <&panel_in_lvds0>;
> + };
> + };
> + };
> +
> + lvds-channel@1 {
> + fsl,data-mapping = "spwg";
> + fsl,data-width = <24>;
> + status = "okay";
> +
> + port@4 {
> + reg = <4>;
> +
> + lvds1_out: endpoint {
> + remote-endpoint = <&panel_in_lvds1>;
> + };
> + };
> + };
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + cd-gpios = <&gpio4 14 GPIO_ACTIVE_LOW>;
> + wp-gpios = <&gpio4 15 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> +};
> --
> 2.34.1
>