Re: [PATCH v4 4/4] ARM: dts: mediatek: Add basic support for Amazon ford board
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2026-09-10 09:30:07
Also in:
linux-arm-kernel, linux-mediatek, linux-watchdog, lkml
On 9/9/26 21:38, Zakariya Hadrami via B4 Relay wrote:
quoted hunk ↗ jump to hunk
From: Zakariya Hadrami <redacted> 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. Signed-off-by: Zakariya Hadrami <redacted> --- 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.dtbdiff --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..8edad5482de2 --- /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 = "MediaTek MT8127 Amazon Ford";
Please be friendlier with whoever reads this model string :-) model = "Amazon Fire 7 2015 (Ford)"; that's better, isn't it? After applying the proposed change, Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cheers, Angelo
+ 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@b7a00000 {
+ compatible = "simple-framebuffer";
+ memory-region = <&framebuffer_reserved>;
+ width = <1024>;
+ height = <600>;
+ stride = <(1024 * 2)>;
+ format = "r5g6b5";
+ };
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0 0x80000000 0 0x40000000>;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ framebuffer_reserved: framebuffer@b7a00000 {
+ reg = <0 0xb7a00000 0 0x1000000>;
+ no-map;
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};