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Merge tag 'mtk-dts32-for-v6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/dt
MediaTek mach ARM32 updates This adds support for the MediaTek MT6572 SoC, found in various old smartphones and tablets from various manufacturers. In particular, this adds a board_dt_compat entry for this SoC and its SMP bring up sequence to enable secondary cores. * tag 'mtk-dts32-for-v6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux: ARM: dts: mediatek: add basic support for Lenovo A369i board ARM: dts: mediatek: add basic support for JTY D101 board ARM: dts: mediatek: add basic support for MT6572 SoC dt-bindings: arm: mediatek: add boards based on the MT6572 SoC dt-bindings: vendor-prefixes: add JTY dt-bindings: watchdog: mediatek,mtk-wdt: add MT6572 dt-bindings: interrupt-controller: mediatek,mt6577-sysirq: add MT6572 Link: https://lore.kernel.org/r/20250711083656.33538-2-angelogioacchino.delregno@collabora.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2 parents 5a793f8 + 5a8e7b4 commit a694292

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‎Documentation/devicetree/bindings/arm/mediatek.yaml‎

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- enum:
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- mediatek,mt2712-evb
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- const: mediatek,mt2712
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- items:
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- enum:
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- jty,d101
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- lenovo,a369i
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- const: mediatek,mt6572
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- items:
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- enum:
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- mediatek,mt6580-evbp1

‎Documentation/devicetree/bindings/interrupt-controller/mediatek,mt6577-sysirq.yaml‎

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- enum:
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- mediatek,mt2701-sysirq
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- mediatek,mt2712-sysirq
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- mediatek,mt6572-sysirq
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- mediatek,mt6580-sysirq
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- mediatek,mt6582-sysirq
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- mediatek,mt6589-sysirq

‎Documentation/devicetree/bindings/vendor-prefixes.yaml‎

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description: Jide Tech
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"^joz,.*":
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description: JOZ BV
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"^jty,.*":
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description: JTY
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"^kam,.*":
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description: Kamstrup A/S
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"^karo,.*":

‎Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml‎

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- items:
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- enum:
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- mediatek,mt2701-wdt
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- mediatek,mt6572-wdt
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- mediatek,mt6582-wdt
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- mediatek,mt6797-wdt
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- mediatek,mt7622-wdt

‎arch/arm/boot/dts/mediatek/Makefile‎

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# SPDX-License-Identifier: GPL-2.0
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dtb-$(CONFIG_ARCH_MEDIATEK) += \
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mt2701-evb.dtb \
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mt6572-jty-d101.dtb \
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mt6572-lenovo-a369i.dtb \
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mt6580-evbp1.dtb \
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mt6582-prestigio-pmt5008-3g.dtb \
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mt6589-aquaris5.dtb \

‎arch/arm/boot/dts/mediatek/mt6572-jty-d101.dts‎

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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2025 Max Shevchenko <wctrl@proton.me>
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*/
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/dts-v1/;
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#include "mt6572.dtsi"
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/ {
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model = "JTY D101";
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compatible = "jty,d101", "mediatek,mt6572";
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aliases {
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serial0 = &uart0;
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};
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chosen {
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#address-cells = <1>;
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#size-cells = <1>;
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stdout-path = "serial0:921600n8";
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framebuffer: framebuffer@bf400000 {
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compatible = "simple-framebuffer";
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memory-region = <&framebuffer_reserved>;
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width = <1024>;
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height = <600>;
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stride = <(1024 * 2)>;
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format = "r5g6b5";
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};
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};
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memory@80000000 {
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device_type = "memory";
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reg = <0x80000000 0x40000000>;
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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connsys@80000000 {
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reg = <0x80000000 0x100000>;
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no-map;
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};
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modem@be000000 {
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reg = <0xbe000000 0x1400000>;
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no-map;
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};
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framebuffer_reserved: framebuffer@bf400000 {
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reg = <0xbf400000 0xc00000>;
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no-map;
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};
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};
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};
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&uart0 {
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status = "okay";
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};

‎arch/arm/boot/dts/mediatek/mt6572-lenovo-a369i.dts‎

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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2025 Max Shevchenko <wctrl@proton.me>
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*/
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/dts-v1/;
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#include "mt6572.dtsi"
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/ {
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model = "Lenovo A369i";
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compatible = "lenovo,a369i", "mediatek,mt6572";
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aliases {
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serial0 = &uart0;
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};
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chosen {
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#address-cells = <1>;
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#size-cells = <1>;
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stdout-path = "serial0:921600n8";
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framebuffer: framebuffer@9fa00000 {
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compatible = "simple-framebuffer";
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memory-region = <&framebuffer_reserved>;
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width = <480>;
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height = <800>;
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stride = <(480 * 2)>;
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format = "r5g6b5";
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};
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};
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memory@80000000 {
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device_type = "memory";
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reg = <0x80000000 0x20000000>;
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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connsys@80000000 {
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reg = <0x80000000 0x100000>;
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no-map;
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};
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framebuffer_reserved: framebuffer@9fa00000 {
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reg = <0x9fa00000 0x600000>;
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no-map;
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};
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};
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};
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&uart0 {
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status = "okay";
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};

‎arch/arm/boot/dts/mediatek/mt6572.dtsi‎

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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2025 Max Shevchenko <wctrl@proton.me>
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*/
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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/ {
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-parent = <&sysirq>;
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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enable-method = "mediatek,mt6589-smp";
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cpu@0 {
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device_type = "cpu";
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compatible = "arm,cortex-a7";
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reg = <0x0>;
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};
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cpu@1 {
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device_type = "cpu";
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compatible = "arm,cortex-a7";
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reg = <0x1>;
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};
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};
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uart_clk: dummy26m {
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compatible = "fixed-clock";
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clock-frequency = <26000000>;
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#clock-cells = <0>;
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};
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system_clk: dummy13m {
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compatible = "fixed-clock";
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clock-frequency = <13000000>;
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#clock-cells = <0>;
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};
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rtc_clk: dummy32k {
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compatible = "fixed-clock";
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clock-frequency = <32000>;
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#clock-cells = <0>;
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};
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soc {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "simple-bus";
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ranges;
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watchdog: watchdog@10007000 {
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compatible = "mediatek,mt6572-wdt", "mediatek,mt6589-wdt";
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reg = <0x10007000 0x100>;
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interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_LOW>;
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timeout-sec = <15>;
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#reset-cells = <1>;
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};
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timer: timer@10008000 {
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compatible = "mediatek,mt6572-timer", "mediatek,mt6577-timer";
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reg = <0x10008000 0x80>;
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interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_LOW>;
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clocks = <&system_clk>, <&rtc_clk>;
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clock-names = "system-clk", "rtc-clk";
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};
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sysirq: interrupt-controller@10200100 {
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compatible = "mediatek,mt6572-sysirq", "mediatek,mt6577-sysirq";
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reg = <0x10200100 0x1c>;
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interrupt-controller;
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#interrupt-cells = <3>;
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interrupt-parent = <&gic>;
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};
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gic: interrupt-controller@10211000 {
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compatible = "arm,cortex-a7-gic";
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reg = <0x10211000 0x1000>,
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<0x10212000 0x2000>,
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<0x10214000 0x2000>,
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<0x10216000 0x2000>;
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interrupt-controller;
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#interrupt-cells = <3>;
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interrupt-parent = <&gic>;
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};
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uart0: serial@11005000 {
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compatible = "mediatek,mt6572-uart", "mediatek,mt6577-uart";
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reg = <0x11005000 0x400>;
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interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_LOW>;
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clocks = <&uart_clk>;
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clock-names = "baud";
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status = "disabled";
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};
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uart1: serial@11006000 {
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compatible = "mediatek,mt6572-uart", "mediatek,mt6577-uart";
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reg = <0x11006000 0x400>;
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
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clocks = <&uart_clk>;
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clock-names = "baud";
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status = "disabled";
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};
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};
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};

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