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arm64: dts: ti: k3-am62-verdin: Add RPi Touch Display 2 7-inch

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Add a device tree overlay for the Raspberry Pi Touch Display 2 7" on
the Verdin DSI_1 interface.

Link: https://www.raspberrypi.com/products/touch-display-2/
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260715055446.31139-1-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Francesco Dolcini 2026-07-15 07:54:45 +02:00 committed by Vignesh Raghavendra
parent 654c5986e3
commit a8dd446862
2 changed files with 106 additions and 0 deletions
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5
arch/arm64/boot/dts/ti/Makefile
View File

@ -52,6 +52,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-panel-cap-touch-10inch-dsi.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-panel-cap-touch-10inch-lvds.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-panel-cap-touch-10inch-lvds-v2.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-panel-cap-touch-7inch-dsi.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-rpi-display-2-7in.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-uart4-mcu.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia-dsi-to-hdmi.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia-panel-cap-touch-10inch-dsi.dtb
@ -272,6 +273,9 @@ k3-am625-verdin-wifi-dev-ov5640-dtbs := k3-am625-verdin-wifi-dev.dtb \
k3-am625-verdin-wifi-dev-panel-cap-touch-7inch-dsi-dtbs := \
k3-am625-verdin-wifi-dev.dtb \
k3-am625-verdin-panel-cap-touch-7inch-dsi.dtbo
k3-am625-verdin-wifi-dev-rpi-display-2-7in-dtbs := \
k3-am625-verdin-wifi-dev.dtb \
k3-am625-verdin-rpi-display-2-7in.dtbo
k3-am625-verdin-wifi-dev-uart4-mcu-dtbs := k3-am625-verdin-wifi-dev.dtb \
k3-am625-verdin-uart4-mcu.dtbo
k3-am625-verdin-wifi-mallow-panel-cap-touch-10inch-lvds-dtbs := \
@ -410,6 +414,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
k3-am625-verdin-wifi-dev-ov5640-24mhz.dtb \
k3-am625-verdin-wifi-dev-ov5640.dtb \
k3-am625-verdin-wifi-dev-panel-cap-touch-7inch-dsi.dtb \
k3-am625-verdin-wifi-dev-rpi-display-2-7in.dtb \
k3-am625-verdin-wifi-dev-uart4-mcu.dtb \
k3-am625-verdin-wifi-mallow-panel-cap-touch-10inch-lvds.dtb \
k3-am625-verdin-wifi-mallow-panel-cap-touch-10inch-lvds-v2.dtb \

101
arch/arm64/boot/dts/ti/k3-am625-verdin-rpi-display-2-7in.dtso Normal file
View File

@ -0,0 +1,101 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
* Copyright (c) Toradex
*
* Raspberry Pi Touch Display 2 7" on Verdin DSI_1 and I2C_2_DSI
*
* https://www.raspberrypi.com/products/touch-display-2/
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
&{/} {
backlight_rpi: backlight-rpi-display {
compatible = "pwm-backlight";
brightness-levels = <0 31>;
default-brightness-level = <15>;
num-interpolated-steps = <31>;
pwms = <&mcu_display_rpi 0 200000 0>;
};
reg_display_rpi: regulator-rpi-display {
compatible = "regulator-fixed";
regulator-max-microvolt = <5000000>;
regulator-min-microvolt = <5000000>;
regulator-name = "rpi-display";
};
reg_display_rpi_touch: regulator-rpi-display-touch {
compatible = "regulator-fixed";
gpio = <&mcu_display_rpi 1 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "rpi-display-touch";
startup-delay-us = <50000>;
};
};
/* Verdin I2C_2_DSI */
&main_i2c2 {
#address-cells = <1>;
#size-cells = <0>;
mcu_display_rpi: regulator@45 {
compatible = "raspberrypi,touchscreen-panel-regulator-v2";
reg = <0x45>;
#gpio-cells = <2>;
#pwm-cells = <3>;
gpio-controller;
};
touchscreen@5d {
compatible = "goodix,gt911";
reg = <0x5d>;
AVDD28-supply = <&reg_display_rpi_touch>;
touchscreen-size-x = <720>;
touchscreen-size-y = <1280>;
};
};
&dsi_bridge {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
panel@0 {
compatible = "raspberrypi,dsi-7inch", "ilitek,ili9881c";
reg = <0>;
backlight = <&backlight_rpi>;
power-supply = <&reg_display_rpi>;
reset-gpios = <&mcu_display_rpi 0 GPIO_ACTIVE_LOW>;
port {
dsi_panel_in: endpoint {
remote-endpoint = <&dsi_bridge_out>;
};
};
};
};
&dsi_bridge_ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
dsi_bridge_out: endpoint {
remote-endpoint = <&dsi_panel_in>;
};
};
};
&dss {
status = "okay";
};