linux-kernel - [PATCH v2 4/4] arm64: dts: mediatek: add device tree for Tungsten 700 board

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Message-Id: <20251201-review-v2-4-dc2df44eec7e@gmail.com>
Date: Mon, 01 Dec 2025 11:23:18 +0100
From: Gary Bisson <bisson.gary@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Sean Wang <sean.wang@...iatek.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 Gary Bisson <bisson.gary@...il.com>
Subject: [PATCH v2 4/4] arm64: dts: mediatek: add device tree for Tungsten
 700 board

Add device tree to support Ezurio Tungsten 700 (MT8390) SMARC SOM [1] +
Universal SMARC carrier board [2].
It includes support for the MIPI-DSI BD070LIC3 display which uses the
Tianma TM070JDHG30 panel + TI SN65DSI84 MIPI-DSI to LVDS bridge [3].

[1] https://www.ezurio.com/product/tungsten700-smarc
[2] https://www.ezurio.com/system-on-module/accessories/universal-smarc-carrier
[3] https://www.ezurio.com/product/bd070lic3-7-touchscreen-display

Signed-off-by: Gary Bisson <bisson.gary@...il.com>
---
 arch/arm64/boot/dts/mediatek/Makefile              |  1 +
 .../boot/dts/mediatek/mt8390-tungsten-smarc.dts    | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 30d169a31b10..85f338344dd3 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -102,6 +102,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8370-genio-510-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8370-tungsten-smarc.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-genio-1200-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8390-genio-700-evk.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8390-tungsten-smarc.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-kontron-3-5-sbc-i1200.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l-8-hd-panel.dtbo
diff --git a/arch/arm64/boot/dts/mediatek/mt8390-tungsten-smarc.dts b/arch/arm64/boot/dts/mediatek/mt8390-tungsten-smarc.dts
new file mode 100644
index 000000000000..f1cf2821107f
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8390-tungsten-smarc.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Ezurio LLC
+ * Author: Gary Bisson <bisson.gary@...il.com>
+ */
+/dts-v1/;
+#include "mt8188.dtsi"
+#include "mt83x0-tungsten-smarc.dtsi"
+
+/ {
+	model = "Ezurio Tungsten700 SMARC (MT8390)";
+	compatible = "ezurio,mt8390-tungsten-smarc", "mediatek,mt8390",
+		     "mediatek,mt8188";
+};
+
+&cpu4 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu5 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};

-- 
2.43.0