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konradybciomarcan
konradybcio
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arm64: dts: apple: Add A9X devices
Add the device tree for the A9X SoC and the devices based on it: - iPad Pro (9.7 Inch) - iPad Pro (12.9 Inch) (1st generation) Signed-off-by: Konrad Dybcio <konradybcio@kernel.org> [Nick: SMP and m1n1 support, uart interrupt and pinctrl fixes] Co-developed-by: Nick Chan <towinchenmi@gmail.com> Signed-off-by: Nick Chan <towinchenmi@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Neal Gompa <neal@gompa.dev> Signed-off-by: Hector Martin <marcan@marcan.st>
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‎arch/arm64/boot/dts/apple/Makefile‎

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@@ -28,6 +28,10 @@ dtb-$(CONFIG_ARCH_APPLE) += s8003-j72t.dtb
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dtb-$(CONFIG_ARCH_APPLE) += s8003-n66m.dtb
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dtb-$(CONFIG_ARCH_APPLE) += s8003-n69.dtb
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dtb-$(CONFIG_ARCH_APPLE) += s8003-n71m.dtb
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dtb-$(CONFIG_ARCH_APPLE) += s8001-j127.dtb
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dtb-$(CONFIG_ARCH_APPLE) += s8001-j128.dtb
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dtb-$(CONFIG_ARCH_APPLE) += s8001-j98a.dtb
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dtb-$(CONFIG_ARCH_APPLE) += s8001-j99a.dtb
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dtb-$(CONFIG_ARCH_APPLE) += t8103-j274.dtb
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dtb-$(CONFIG_ARCH_APPLE) += t8103-j293.dtb
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dtb-$(CONFIG_ARCH_APPLE) += t8103-j313.dtb

‎arch/arm64/boot/dts/apple/s8001-common.dtsi‎

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// SPDX-License-Identifier: GPL-2.0+ OR MIT
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/*
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* Apple iPad Pro (9.7-inch), iPad Pro (12.9-inch)
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*
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* This file contains parts common to all Apple A9X devices.
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*
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* target-type: J127, J128, J98a, J99a
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*
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* Copyright (c) 2024, Nick Chan <towinchenmi@gmail.com>
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*/
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/ {
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aliases {
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serial0 = &serial0;
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};
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chosen {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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stdout-path = "serial0";
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framebuffer0: framebuffer@0 {
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compatible = "apple,simple-framebuffer", "simple-framebuffer";
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reg = <0 0 0 0>; /* To be filled by loader */
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/* Format properties will be added by loader */
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status = "disabled";
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};
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};
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memory@800000000 {
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device_type = "memory";
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reg = <0x8 0 0 0>; /* To be filled by loader */
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};
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reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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/* To be filled by loader */
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};
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};
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&serial0 {
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status = "okay";
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};

‎arch/arm64/boot/dts/apple/s8001-j127.dts‎

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// SPDX-License-Identifier: GPL-2.0+ OR MIT
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/*
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* Apple iPad Pro (9.7-inch) (Wi-Fi), J127, iPad6,3 (A1673)
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* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
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*/
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/dts-v1/;
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#include "s8001-pro.dtsi"
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/ {
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compatible = "apple,j127", "apple,s8001", "apple,arm-platform";
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model = "Apple iPad Pro (9.7-inch) (Wi-Fi)";
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};

‎arch/arm64/boot/dts/apple/s8001-j128.dts‎

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// SPDX-License-Identifier: GPL-2.0+ OR MIT
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/*
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* Apple iPad Pro (9.7-inch) (Cellular), J128, iPad6,4 (A1674/A1675)
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* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
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*/
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/dts-v1/;
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#include "s8001-pro.dtsi"
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/ {
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compatible = "apple,j128", "apple,s8001", "apple,arm-platform";
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model = "Apple iPad Pro (9.7-inch) (Cellular)";
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};

‎arch/arm64/boot/dts/apple/s8001-j98a.dts‎

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// SPDX-License-Identifier: GPL-2.0+ OR MIT
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/*
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* Apple iPad Pro (12.9-inch) (Wi-Fi), J98a, iPad6,7 (A1584)
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* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
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*/
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/dts-v1/;
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#include "s8001-pro.dtsi"
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/ {
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compatible = "apple,j98a", "apple,s8001", "apple,arm-platform";
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model = "Apple iPad Pro (12.9-inch) (Wi-Fi)";
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};

‎arch/arm64/boot/dts/apple/s8001-j99a.dts‎

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// SPDX-License-Identifier: GPL-2.0+ OR MIT
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/*
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* Apple iPad Pro (12.9-inch) (Cellular), J99a, iPad6,8 (A1652)
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* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
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*/
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/dts-v1/;
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#include "s8001-pro.dtsi"
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/ {
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compatible = "apple,j99a", "apple,s8001", "apple,arm-platform";
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model = "Apple iPad Pro (12.9-inch) (Cellular)";
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};

‎arch/arm64/boot/dts/apple/s8001-pro.dtsi‎

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// SPDX-License-Identifier: GPL-2.0+ OR MIT
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/*
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* Apple iPad Pro (1st generation) common device tree
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*
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* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
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*/
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#include "s8001.dtsi"
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#include "s8001-common.dtsi"
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#include <dt-bindings/input/input.h>
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/ {
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chassis-type = "tablet";
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gpio-keys {
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compatible = "gpio-keys";
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button-home {
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label = "Home Button";
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gpios = <&pinctrl_ap 122 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_HOMEPAGE>;
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wakeup-source;
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};
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button-power {
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label = "Power Button";
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gpios = <&pinctrl_ap 123 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_POWER>;
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wakeup-source;
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};
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button-voldown {
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label = "Volume Down";
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gpios = <&pinctrl_ap 15 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_VOLUMEDOWN>;
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};
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button-volup {
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label = "Volume Up";
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gpios = <&pinctrl_ap 12 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_VOLUMEUP>;
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};
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};
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};

‎arch/arm64/boot/dts/apple/s8001.dtsi‎

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// SPDX-License-Identifier: GPL-2.0+ OR MIT
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/*
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* Apple S8001 "A9X" SoC
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*
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* Other names: H8G, "Elba"
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*
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* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
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*/
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/apple-aic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/pinctrl/apple.h>
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/ {
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interrupt-parent = <&aic>;
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#address-cells = <2>;
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#size-cells = <2>;
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clkref: clock-ref {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <24000000>;
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clock-output-names = "clkref";
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};
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cpus {
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#address-cells = <2>;
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#size-cells = <0>;
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cpu0: cpu@0 {
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compatible = "apple,twister";
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reg = <0x0 0x0>;
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cpu-release-addr = <0 0>; /* To be filled in by loader */
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enable-method = "spin-table";
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device_type = "cpu";
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};
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cpu1: cpu@1 {
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compatible = "apple,twister";
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reg = <0x0 0x1>;
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cpu-release-addr = <0 0>; /* To be filled in by loader */
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enable-method = "spin-table";
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device_type = "cpu";
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};
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};
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soc {
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compatible = "simple-bus";
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#address-cells = <2>;
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#size-cells = <2>;
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nonposted-mmio;
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ranges;
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serial0: serial@20a0c0000 {
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compatible = "apple,s5l-uart";
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reg = <0x2 0x0a0c0000 0x0 0x4000>;
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reg-io-width = <4>;
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interrupt-parent = <&aic>;
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interrupts = <AIC_IRQ 218 IRQ_TYPE_LEVEL_HIGH>;
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/* Use the bootloader-enabled clocks for now. */
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clocks = <&clkref>, <&clkref>;
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clock-names = "uart", "clk_uart_baud0";
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status = "disabled";
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};
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aic: interrupt-controller@20e100000 {
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compatible = "apple,s8000-aic", "apple,aic";
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reg = <0x2 0x0e100000 0x0 0x100000>;
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#interrupt-cells = <3>;
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interrupt-controller;
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};
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pinctrl_ap: pinctrl@20f100000 {
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compatible = "apple,s8000-pinctrl", "apple,pinctrl";
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reg = <0x2 0x0f100000 0x0 0x100000>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_ap 0 0 219>;
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apple,npins = <219>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&aic>;
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interrupts = <AIC_IRQ 42 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 43 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 44 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 45 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 46 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 47 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 48 IRQ_TYPE_LEVEL_HIGH>;
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};
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pinctrl_aop: pinctrl@2100f0000 {
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compatible = "apple,s8000-pinctrl", "apple,pinctrl";
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reg = <0x2 0x100f0000 0x0 0x100000>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_aop 0 0 28>;
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apple,npins = <28>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&aic>;
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interrupts = <AIC_IRQ 128 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 129 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 130 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 131 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 132 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 133 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 134 IRQ_TYPE_LEVEL_HIGH>;
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};
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wdt: watchdog@2102b0000 {
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compatible = "apple,s8000-wdt", "apple,wdt";
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reg = <0x2 0x102b0000 0x0 0x4000>;
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clocks = <&clkref>;
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interrupt-parent = <&aic>;
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interrupts = <AIC_IRQ 4 IRQ_TYPE_LEVEL_HIGH>;
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};
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};
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timer {
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compatible = "arm,armv8-timer";
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interrupt-parent = <&aic>;
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interrupt-names = "phys", "virt";
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/* Note that A9X doesn't actually have a hypervisor (EL2 is not implemented). */
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interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
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<AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>;
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};
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};

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