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From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
To:     robh+dt@kernel.org
Cc:     krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com,
        angelogioacchino.delregno@collabora.com, hsinyi@chromium.org,
        nfraprado@collabora.com, allen-kh.cheng@mediatek.com,
        gtk3@inbox.ru, luca@z3ntu.xyz, sam.shih@mediatek.com,
        sean.wang@mediatek.com, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, wenst@chromium.org
Subject: [PATCH 02/11] arm64: dts: mediatek: Introduce MT8195 Cherry platform's Tomato
Date:   Thu, 30 Jun 2022 17:33:07 +0200
Message-Id: <20220630153316.308767-3-angelogioacchino.delregno@collabora.com>
In-Reply-To: <20220630153316.308767-1-angelogioacchino.delregno@collabora.com>
References: <20220630153316.308767-1-angelogioacchino.delregno@collabora.com>
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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@collabora.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@40000000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0x80000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.35.1