linux-kernel - [PATCH 4/4] arm64: dts: mediatek: add device-tree for Genio 520-EVK board

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Message-Id: <20251203-add-mediatek-genio-520-720-evk-v1-4-df794b2a30ae@collabora.com>
Date: Wed, 03 Dec 2025 14:59:29 +0100
From: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jiri Slaby <jirislaby@...nel.org>, 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: kernel@...labora.com, linux-kernel@...r.kernel.org, 
 linux-serial@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
Subject: [PATCH 4/4] arm64: dts: mediatek: add device-tree for Genio
 520-EVK board

Add device-tree for the basic hardware enablement of the Genio 520-EVK
board, based on MT8371 SoC.

MT8371 SoC is a variant of MT8189 SoC with the following differences:
  - Arm Cortex-A78 CPU core maximum frequency (2.2 Ghz for MT8371, 3 Ghz
  for MT8189).
  - Arm Mali G57 MC2 GPU core maximum frequency (880 Mhz for MT8371, 1.1
  Ghz for MT8189)
  - one ISP engine instead of two
MT8371 hardware register maps are identical to MT8189.

The Genio 520-EVK has following features:
  - MT8371 SoC
  - MT6365 PMIC
  - MT6319 Buck IC
  - MT6375 Charger IC
  - 8GB LPDDR5 RAM
  - 64GB eMMC 5.1
  - 128GB UFS
  - 20V DC Jack
  - USB Type-C Power Adapter
  - Micro SD card slot
  - Push Button x 4 (Power, Reset, Download and Home Key)
  - LED x 3 (System Power, Reset, DC-IN Power)
  - USB Type-C Connector (USB 3.2) x 2
  - USB Type-C Connector (USB 2.0) x 1
  - 3.5mm Earphone Jack x 1 (with Microphone Input)
  - 3.5mm Line Out Audio Jack x 1
  - Analog Microphone x 1
  - Digital Microphone x 2
  - Gigabit Ethernet with RJ45 connector
  - DP x 1 (Mode over USB Type-C)
  - LVDS port x 1
  - eDP port x 1
  - UART x2 with serial-to-usb converters and USB Type-C connectors
  - UART Port x 2 on Pin Header
  - M.2 Slot x 2
  - I2C Capacitive Touch Pad
  - 4-Lane DSI x 1
  - 4-Data Lane CSI x 2
  - I2S Pin header
  - 40-Pin 2.54mm Pin Header x 1
  - CAN Bus x 1 (RS232 Connector)

Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
---
 arch/arm64/boot/dts/mediatek/Makefile                 |  1 +
 arch/arm64/boot/dts/mediatek/mt8371-genio-520-evk.dts | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index e3b63085c0608b86dc8638c9d5e0b73441e9ed7b..e6356733a1c0ad5f3ccf9517f3e393ba5f114da8 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -106,6 +106,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8365-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8370-genio-510-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8370-grinn-genio-510-sbc.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8371-genio-520-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-genio-1200-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-genio-1200-evk-ufs.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8390-genio-700-evk.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt8371-genio-520-evk.dts b/arch/arm64/boot/dts/mediatek/mt8371-genio-520-evk.dts
new file mode 100644
index 0000000000000000000000000000000000000000..b259fc6c01a13bb84c1ed8b4433a799241a28a6b
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8371-genio-520-evk.dts
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (c) 2025 Collabora Ltd.
+ * Author: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
+ */
+/dts-v1/;
+#include "mt8189.dtsi"
+#include "mt8391-genio-common.dtsi"
+
+/*
+ * MT8371 SoC is a variant of the MT8189 with only one ISP engine
+ * and lower maximum frequency on the big cores and on the Mali GPU.
+ */
+
+/ {
+	model = "MediaTek Genio 520 EVK";
+	compatible = "mediatek,mt8371-evk", "mediatek,mt8371",
+		     "mediatek,mt8189";
+};

-- 
2.52.0