[PATCH v5 4/4] ARM: dts: mediatek: Add basic support for Amazon ford board

[Zakariya Hadrami via B4 Relay]

From: Zakariya Hadrami <zkh at mailbox.org>

This tablet uses a MediaTek MT8127 system-on-chip with 1GB of RAM.
It can currently boot into initramfs with a working UART and
Simple Framebuffer using already initialized panel by the bootloader.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
Signed-off-by: Zakariya Hadrami <zkh at mailbox.org>
---
 arch/arm/boot/dts/mediatek/Makefile               |  1 +
 arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts | 54 +++++++++++++++++++++++
 2 files changed, 55 insertions(+)

diff --git a/arch/arm/boot/dts/mediatek/Makefile b/arch/arm/boot/dts/mediatek/Makefile
index 37c4cded0eae..a610bc75c7d9 100644
--- a/arch/arm/boot/dts/mediatek/Makefile
+++ b/arch/arm/boot/dts/mediatek/Makefile
@@ -14,5 +14,6 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7623n-rfb-emmc.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
 	mt7629-rfb.dtb \
+	mt8127-amazon-ford.dtb \
 	mt8127-moose.dtb \
 	mt8135-evbp1.dtb
diff --git a/arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts b/arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts
new file mode 100644
index 000000000000..4b138e832795
--- /dev/null
+++ b/arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+#include "mt8127.dtsi"
+
+/ {
+	model = "Amazon Fire 7 2015 (Ford)";
+	compatible = "amazon,ford", "mediatek,mt8127";
+	chassis-type = "tablet";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		stdout-path = "serial0:921600n8";
+
+		framebuffer0: framebuffer at b7a00000 {
+			compatible = "simple-framebuffer";
+			memory-region = <&framebuffer_reserved>;
+			width = <1024>;
+			height = <600>;
+			stride = <(1024 * 2)>;
+			format = "r5g6b5";
+		};
+	};
+
+	memory at 80000000 {
+		device_type = "memory";
+		reg = <0 0x80000000 0 0x40000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		framebuffer_reserved: framebuffer at b7a00000 {
+			reg = <0 0xb7a00000 0 0x1000000>;
+			no-map;
+		};
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};

-- 
2.54.0