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arm64: dts: apple: Add A9X devices

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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>
This commit is contained in:
Konrad Dybcio
2024-10-23 12:40:51 +08:00
committed by Hector Martin
parent 0806906b82
commit 1100a117ed
8 changed files with 285 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/boot/dts/apple/Makefile
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@@ -28,6 +28,10 @@ dtb-$(CONFIG_ARCH_APPLE) += s8003-j72t.dtb
dtb-$(CONFIG_ARCH_APPLE) += s8003-n66m.dtb
dtb-$(CONFIG_ARCH_APPLE) += s8003-n69.dtb
dtb-$(CONFIG_ARCH_APPLE) += s8003-n71m.dtb
dtb-$(CONFIG_ARCH_APPLE) += s8001-j127.dtb
dtb-$(CONFIG_ARCH_APPLE) += s8001-j128.dtb
dtb-$(CONFIG_ARCH_APPLE) += s8001-j98a.dtb
dtb-$(CONFIG_ARCH_APPLE) += s8001-j99a.dtb
dtb-$(CONFIG_ARCH_APPLE) += t8103-j274.dtb
dtb-$(CONFIG_ARCH_APPLE) += t8103-j293.dtb
dtb-$(CONFIG_ARCH_APPLE) += t8103-j313.dtb

48
arch/arm64/boot/dts/apple/s8001-common.dtsi Normal file
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@@ -0,0 +1,48 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Apple iPad Pro (9.7-inch), iPad Pro (12.9-inch)
*
* This file contains parts common to all Apple A9X devices.
*
* target-type: J127, J128, J98a, J99a
*
* Copyright (c) 2024, Nick Chan <towinchenmi@gmail.com>
*/
/ {
aliases {
serial0 = &serial0;
};
chosen {
#address-cells = <2>;
#size-cells = <2>;
ranges;
stdout-path = "serial0";
framebuffer0: framebuffer@0 {
compatible = "apple,simple-framebuffer", "simple-framebuffer";
reg = <0 0 0 0>; /* To be filled by loader */
/* Format properties will be added by loader */
status = "disabled";
};
};
memory@800000000 {
device_type = "memory";
reg = <0x8 0 0 0>; /* To be filled by loader */
};
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
/* To be filled by loader */
};
};
&serial0 {
status = "okay";
};

14
arch/arm64/boot/dts/apple/s8001-j127.dts Normal file
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@@ -0,0 +1,14 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Apple iPad Pro (9.7-inch) (Wi-Fi), J127, iPad6,3 (A1673)
* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
*/
/dts-v1/;
#include "s8001-pro.dtsi"
/ {
compatible = "apple,j127", "apple,s8001", "apple,arm-platform";
model = "Apple iPad Pro (9.7-inch) (Wi-Fi)";
};

14
arch/arm64/boot/dts/apple/s8001-j128.dts Normal file
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@@ -0,0 +1,14 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Apple iPad Pro (9.7-inch) (Cellular), J128, iPad6,4 (A1674/A1675)
* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
*/
/dts-v1/;
#include "s8001-pro.dtsi"
/ {
compatible = "apple,j128", "apple,s8001", "apple,arm-platform";
model = "Apple iPad Pro (9.7-inch) (Cellular)";
};

14
arch/arm64/boot/dts/apple/s8001-j98a.dts Normal file
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@@ -0,0 +1,14 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Apple iPad Pro (12.9-inch) (Wi-Fi), J98a, iPad6,7 (A1584)
* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
*/
/dts-v1/;
#include "s8001-pro.dtsi"
/ {
compatible = "apple,j98a", "apple,s8001", "apple,arm-platform";
model = "Apple iPad Pro (12.9-inch) (Wi-Fi)";
};

14
arch/arm64/boot/dts/apple/s8001-j99a.dts Normal file
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@@ -0,0 +1,14 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Apple iPad Pro (12.9-inch) (Cellular), J99a, iPad6,8 (A1652)
* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
*/
/dts-v1/;
#include "s8001-pro.dtsi"
/ {
compatible = "apple,j99a", "apple,s8001", "apple,arm-platform";
model = "Apple iPad Pro (12.9-inch) (Cellular)";
};

44
arch/arm64/boot/dts/apple/s8001-pro.dtsi Normal file
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@@ -0,0 +1,44 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Apple iPad Pro (1st generation) common device tree
*
* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
*/
#include "s8001.dtsi"
#include "s8001-common.dtsi"
#include <dt-bindings/input/input.h>
/ {
chassis-type = "tablet";
gpio-keys {
compatible = "gpio-keys";
button-home {
label = "Home Button";
gpios = <&pinctrl_ap 122 GPIO_ACTIVE_LOW>;
linux,code = <KEY_HOMEPAGE>;
wakeup-source;
};
button-power {
label = "Power Button";
gpios = <&pinctrl_ap 123 GPIO_ACTIVE_LOW>;
linux,code = <KEY_POWER>;
wakeup-source;
};
button-voldown {
label = "Volume Down";
gpios = <&pinctrl_ap 15 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEDOWN>;
};
button-volup {
label = "Volume Up";
gpios = <&pinctrl_ap 12 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEUP>;
};
};
};

133
arch/arm64/boot/dts/apple/s8001.dtsi Normal file
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@@ -0,0 +1,133 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Apple S8001 "A9X" SoC
*
* Other names: H8G, "Elba"
*
* Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
*/
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/apple-aic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/apple.h>
/ {
interrupt-parent = <&aic>;
#address-cells = <2>;
#size-cells = <2>;
clkref: clock-ref {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24000000>;
clock-output-names = "clkref";
};
cpus {
#address-cells = <2>;
#size-cells = <0>;
cpu0: cpu@0 {
compatible = "apple,twister";
reg = <0x0 0x0>;
cpu-release-addr = <0 0>; /* To be filled in by loader */
enable-method = "spin-table";
device_type = "cpu";
};
cpu1: cpu@1 {
compatible = "apple,twister";
reg = <0x0 0x1>;
cpu-release-addr = <0 0>; /* To be filled in by loader */
enable-method = "spin-table";
device_type = "cpu";
};
};
soc {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
nonposted-mmio;
ranges;
serial0: serial@20a0c0000 {
compatible = "apple,s5l-uart";
reg = <0x2 0x0a0c0000 0x0 0x4000>;
reg-io-width = <4>;
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 218 IRQ_TYPE_LEVEL_HIGH>;
/* Use the bootloader-enabled clocks for now. */
clocks = <&clkref>, <&clkref>;
clock-names = "uart", "clk_uart_baud0";
status = "disabled";
};
aic: interrupt-controller@20e100000 {
compatible = "apple,s8000-aic", "apple,aic";
reg = <0x2 0x0e100000 0x0 0x100000>;
#interrupt-cells = <3>;
interrupt-controller;
};
pinctrl_ap: pinctrl@20f100000 {
compatible = "apple,s8000-pinctrl", "apple,pinctrl";
reg = <0x2 0x0f100000 0x0 0x100000>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&pinctrl_ap 0 0 219>;
apple,npins = <219>;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 42 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 43 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 44 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 45 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 46 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 47 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 48 IRQ_TYPE_LEVEL_HIGH>;
};
pinctrl_aop: pinctrl@2100f0000 {
compatible = "apple,s8000-pinctrl", "apple,pinctrl";
reg = <0x2 0x100f0000 0x0 0x100000>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&pinctrl_aop 0 0 28>;
apple,npins = <28>;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 128 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 129 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 130 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 131 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 132 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 133 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 134 IRQ_TYPE_LEVEL_HIGH>;
};
wdt: watchdog@2102b0000 {
compatible = "apple,s8000-wdt", "apple,wdt";
reg = <0x2 0x102b0000 0x0 0x4000>;
clocks = <&clkref>;
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 4 IRQ_TYPE_LEVEL_HIGH>;
};
};
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&aic>;
interrupt-names = "phys", "virt";
/* Note that A9X doesn't actually have a hypervisor (EL2 is not implemented). */
interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
<AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>;
};
};