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@xxxxxxxxxxxxx>
---
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..7ca344ccc225
--- /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 = "Acer 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..38c27d704ccc
--- /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 = "Acer 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..6ecde88c30ef
--- /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 = "Acer 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
