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Message-ID: <20260113000715.231238-2-marek.vasut+renesas@mailbox.org>
Date: Tue, 13 Jan 2026 01:05:31 +0100
From: Marek Vasut <marek.vasut+renesas@...lbox.org>
To: linux-arm-kernel@...ts.infradead.org
Cc: Marek Vasut <marek.vasut+renesas@...lbox.org>,
Conor Dooley <conor+dt@...nel.org>,
David Airlie <airlied@...il.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Jessica Zhang <jesszhan0024@...il.com>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Magnus Damm <magnus.damm@...il.com>,
Maxime Ripard <mripard@...nel.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Rob Herring <robh@...nel.org>,
Sam Ravnborg <sam@...nborg.org>,
Simona Vetter <simona@...ll.ch>,
Thierry Reding <thierry.reding@...il.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
devicetree@...r.kernel.org,
dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org,
linux-renesas-soc@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: renesas: sparrow-hawk: Add overlay for WaveShare Display 13.3"
Add a DT overlay to bind the WaveShare 13.3inch 1920x1080 DSI Capacitive
Touch Display on the Retronix R-Car V4H Sparrow Hawk board.
Current device link is at https://www.waveshare.com/13.3inch-dsi-lcd.htm
Signed-off-by: Marek Vasut <marek.vasut+renesas@...lbox.org>
---
DEPENDS:
- https://lore.kernel.org/linux-input/20260112234534.225954-1-marek.vasut+renesas@mailbox.org/
- https://lore.kernel.org/linux-devicetree/20260112234834.226128-1-marek.vasut+renesas@mailbox.org/
---
Cc: Conor Dooley <conor+dt@...nel.org>
Cc: David Airlie <airlied@...il.com>
Cc: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: Jessica Zhang <jesszhan0024@...il.com>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Cc: Magnus Damm <magnus.damm@...il.com>
Cc: Maxime Ripard <mripard@...nel.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>
Cc: Rob Herring <robh@...nel.org>
Cc: Sam Ravnborg <sam@...nborg.org>
Cc: Simona Vetter <simona@...ll.ch>
Cc: Thierry Reding <thierry.reding@...il.com>
Cc: Thomas Zimmermann <tzimmermann@...e.de>
Cc: devicetree@...r.kernel.org
Cc: dri-devel@...ts.freedesktop.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-renesas-soc@...r.kernel.org
---
arch/arm64/boot/dts/renesas/Makefile | 3 +
...r8a779g3-sparrow-hawk-ws-display-13in.dtso | 108 ++++++++++++++++++
2 files changed, 111 insertions(+)
create mode 100644 arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-ws-display-13in.dtso
diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 1fab1b50f20e6..8a2d1baa69c77 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -120,6 +120,9 @@ 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-sparrow-hawk-ws-display-13in.dtbo
+r8a779g3-sparrow-hawk-ws-display-13in-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-ws-display-13in.dtbo
+dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-ws-display-13in.dtb
dtb-$(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
diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-ws-display-13in.dtso b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-ws-display-13in.dtso
new file mode 100644
index 0000000000000..e520fa264d790
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-ws-display-13in.dtso
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Overlay for the Waveshare 13.3 MIPI DSI panel connected
+ * to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board
+ *
+ * Copyright (C) 2025-2026 Marek Vasut <marek.vasut+renesas@...lbox.org>
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+ panel {
+ compatible = "waveshare,13.3inch-panel", "panel-dpi";
+ width-mm = <293>;
+ height-mm = <163>;
+ power-supply = <®_5p0v>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&bridge_out>;
+ };
+ };
+
+ panel-timing {
+ clock-frequency = <148500000>;
+ hactive = <1920>;
+ vactive = <1080>;
+ hfront-porch = <88>;
+ hback-porch = <148>;
+ hsync-len = <44>;
+ vback-porch = <4>;
+ vfront-porch = <36>;
+ vsync-len = <5>;
+ hsync-active = <1>;
+ vsync-active = <1>;
+ de-active = <0>;
+ pixelclk-active = <0>;
+ };
+ };
+
+ reg_5p0v: regulator-5p0v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-5.0V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+};
+
+&i2c0_mux3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ touchscreen@41 {
+ compatible = "ilitek,ili251x";
+ reg = <0x41>;
+ };
+
+ bridge@45 {
+ compatible = "waveshare,dsi2dpi";
+ reg = <0x45>;
+ power-supply = <®_5p0v>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ bridge_in: endpoint {
+ data-lanes = <1 2 3 4>;
+ remote-endpoint = <&dsi0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ bridge_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+ };
+ };
+};
+
+&dsi0 {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ dsi0_out: endpoint {
+ remote-endpoint = <&bridge_in>;
+ data-lanes = <1 2 3 4>;
+ };
+ };
+ };
+};
--
2.51.0
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