linux-kernel - [PATCH 02/11] arm64: dts: mediatek: Introduce MT8195 Cherry platform's Tomato

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Message-Id: <20220630153316.308767-3-angelogioacchino.delregno@collabora.com>
Date:   Thu, 30 Jun 2022 17:33:07 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     robh+dt@...nel.org
Cc:     krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        angelogioacchino.delregno@...labora.com, hsinyi@...omium.org,
        nfraprado@...labora.com, allen-kh.cheng@...iatek.com,
        gtk3@...ox.ru, luca@...tu.xyz, sam.shih@...iatek.com,
        sean.wang@...iatek.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, wenst@...omium.org
Subject: [PATCH 02/11] arm64: dts: mediatek: Introduce MT8195 Cherry platform's Tomato

Introduce the MT8195 Cherry Chromebook platform, including three
revisions of Cherry Tomato boards.

This basic configuration allows to boot Linux on all board revisions
and get a serial console from a ramdisk.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 arch/arm64/boot/dts/mediatek/Makefile         |  3 +++
 .../dts/mediatek/mt8195-cherry-tomato-r1.dts  | 11 ++++++++
 .../dts/mediatek/mt8195-cherry-tomato-r2.dts  | 11 ++++++++
 .../dts/mediatek/mt8195-cherry-tomato-r3.dts  | 12 +++++++++
 .../boot/dts/mediatek/mt8195-cherry.dtsi      | 26 +++++++++++++++++++
 5 files changed, 63 insertions(+)
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 50a2c58c5f56..0b12035a4f08 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -39,6 +39,9 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-pumpkin.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-evb.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r1.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r2.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r3.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-demo.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts
new file mode 100644
index 000000000000..17e9e4d6f6ab
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ */
+/dts-v1/;
+#include "mt8195-cherry.dtsi"
+
+/ {
+	model = "MediaTek Tomato (rev1) board";
+	compatible = "google,tomato-rev1", "google,tomato", "mediatek,mt8195";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts
new file mode 100644
index 000000000000..b915fba311e9
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ */
+/dts-v1/;
+#include "mt8195-cherry.dtsi"
+
+/ {
+	model = "MediaTek Tomato (rev2) board";
+	compatible = "google,tomato-rev2", "google,tomato", "mediatek,mt8195";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts
new file mode 100644
index 000000000000..2ead9eca2ec9
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ */
+/dts-v1/;
+#include "mt8195-cherry.dtsi"
+
+/ {
+	model = "MediaTek Tomato (rev3 - 4) board";
+	compatible = "google,tomato-rev4", "google,tomato-rev3",
+		     "google,tomato", "mediatek,mt8195";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
new file mode 100644
index 000000000000..7406d7bbf725
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include "mt8195.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@...00000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0x80000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.35.1