admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: renesas: sparrow-hawk: Add overlay for RPi Display 2

Browse Source 
Add a DT overlay to bind the Raspberry Pi Display 2 (both 5" and 7"
variants), on the Retronix R-Car V4H Sparrow Hawk board.  All of display
output, touch controller, and backlight control have been tested.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250904202838.172579-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Marek Vasut
2025-09-04 22:28:06 +02:00
committed by Geert Uytterhoeven
parent f16068832a
commit 38ef5be6e1
4 changed files with 122 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm64/boot/dts/renesas/Makefile
View File

@@ -111,6 +111,12 @@ dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-camera-j2-imx462.dtb
dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-fan-pwm.dtbo
r8a779g3-sparrow-hawk-fan-pwm-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-fan-pwm.dtbo
dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-fan-pwm.dtb
dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-5in.dtbo
r8a779g3-sparrow-hawk-rpi-display-2-5in-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-rpi-display-2-5in.dtbo
dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-5in.dtb
dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-7in.dtbo
r8a779g3-sparrow-hawk-rpi-display-2-7in-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-rpi-display-2-7in.dtbo
dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-7in.dtb
dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-white-hawk-single.dtb
r8a779g3-white-hawk-single-ard-audio-da7212-dtbs := r8a779g3-white-hawk-single.dtb white-hawk-ard-audio-da7212.dtbo

13
arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-5in.dtso Normal file
View File

@@ -0,0 +1,13 @@
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Overlay for the RPi Display 2 5" MIPI DSI panel connected
* to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board
*
* Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org>
*/
#include "r8a779g3-sparrow-hawk-rpi-display-2.dtsi"
&panel {
compatible = "raspberrypi,dsi-5inch", "ilitek,ili9881c";
};

13
arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-7in.dtso Normal file
View File

@@ -0,0 +1,13 @@
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Overlay for the RPi Display 2 7" MIPI DSI panel connected
* to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board
*
* Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org>
*/
#include "r8a779g3-sparrow-hawk-rpi-display-2.dtsi"
&panel {
compatible = "raspberrypi,dsi-7inch", "ilitek,ili9881c";
};

90
arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2.dtsi Normal file
View File

@@ -0,0 +1,90 @@
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Overlay for the RPi Display 2 MIPI DSI panel connected
* to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board
*
* Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org>
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
&{/} {
display_bl: backlight {
compatible = "pwm-backlight";
pwms = <&mcu 0 255 0>;
};
reg_display: regulator-display {
compatible = "regulator-fixed";
regulator-name = "rpi-display";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
reg_dsi_touch: regulator-dsi-touch {
compatible = "regulator-fixed";
gpio = <&mcu 1 GPIO_ACTIVE_HIGH>;
regulator-name = "rpi-touch";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
startup-delay-us = <50000>;
enable-active-high;
};
};
&i2c0_mux3 {
#address-cells = <1>;
#size-cells = <0>;
mcu: gpio@45 {
compatible = "raspberrypi,touchscreen-panel-regulator-v2";
reg = <0x45>;
gpio-controller;
#gpio-cells = <2>;
#pwm-cells = <3>;
};
touchscreen@5d {
compatible = "goodix,gt911";
reg = <0x5d>;
AVDD28-supply = <&reg_dsi_touch>;
touchscreen-size-x = <720>;
touchscreen-size-y = <1280>;
};
};
&dsi0 {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
dsi0_out: endpoint {
remote-endpoint = <&panel_in>;
data-lanes = <1 2>;
};
};
};
panel: panel@0 {
reg = <0>;
backlight = <&display_bl>;
power-supply = <&reg_display>;
reset-gpios = <&mcu 0 GPIO_ACTIVE_LOW>;
port {
panel_in: endpoint {
remote-endpoint = <&dsi0_out>;
};
};
};
};