[PATCH v3 16/20] arm64: dts: apple: Add A9X devices

From: Nick Chan
Date: Sun Sep 15 2024 - 04:13:02 EST

From: Konrad Dybcio <konradybcio@xxxxxxxxxx>

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@xxxxxxxxxx>
[Nick: SMP and m1n1 support, uart interrupt and pinctrl fixes]
Co-developed-by: Nick Chan <towinchenmi@xxxxxxxxx>
Signed-off-by: Nick Chan <towinchenmi@xxxxxxxxx>
---
arch/arm64/boot/dts/apple/Makefile | 4 +
arch/arm64/boot/dts/apple/s8001-j127.dts | 14 ++
arch/arm64/boot/dts/apple/s8001-j128.dts | 14 ++
arch/arm64/boot/dts/apple/s8001-j98a.dts | 14 ++
arch/arm64/boot/dts/apple/s8001-j99a.dts | 14 ++
arch/arm64/boot/dts/apple/s8001-pro.dtsi | 47 +++++++
arch/arm64/boot/dts/apple/s8001.dtsi | 167 +++++++++++++++++++++++
7 files changed, 274 insertions(+)
create mode 100644 arch/arm64/boot/dts/apple/s8001-j127.dts
create mode 100644 arch/arm64/boot/dts/apple/s8001-j128.dts
create mode 100644 arch/arm64/boot/dts/apple/s8001-j98a.dts
create mode 100644 arch/arm64/boot/dts/apple/s8001-j99a.dts
create mode 100644 arch/arm64/boot/dts/apple/s8001-pro.dtsi
create mode 100644 arch/arm64/boot/dts/apple/s8001.dtsi

diff --git a/arch/arm64/boot/dts/apple/Makefile b/arch/arm64/boot/dts/apple/Makefile
index cbb7e409b7e3..f8cd10889d9f 100644
--- a/arch/arm64/boot/dts/apple/Makefile
+++ b/arch/arm64/boot/dts/apple/Makefile
@@ -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
diff --git a/arch/arm64/boot/dts/apple/s8001-j127.dts b/arch/arm64/boot/dts/apple/s8001-j127.dts
new file mode 100644
index 000000000000..8b522085cb3e
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/s8001-j127.dts
@@ -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@xxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "s8001-pro.dtsi"
+
+/ {
+ compatible = "apple,j127", "apple,s8001", "apple,arm-platform";
+ model = "Apple iPad Pro (9.7-inch) (Wi-Fi)";
+};
diff --git a/arch/arm64/boot/dts/apple/s8001-j128.dts b/arch/arm64/boot/dts/apple/s8001-j128.dts
new file mode 100644
index 000000000000..cdd3d06dcbf1
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/s8001-j128.dts
@@ -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@xxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "s8001-pro.dtsi"
+
+/ {
+ compatible = "apple,j128", "apple,s8001", "apple,arm-platform";
+ model = "Apple iPad Pro (9.7-inch) (Cellular)";
+};
diff --git a/arch/arm64/boot/dts/apple/s8001-j98a.dts b/arch/arm64/boot/dts/apple/s8001-j98a.dts
new file mode 100644
index 000000000000..6d6b841e7ab0
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/s8001-j98a.dts
@@ -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@xxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "s8001-pro.dtsi"
+
+/ {
+ compatible = "apple,j98a", "apple,s8001", "apple,arm-platform";
+ model = "Apple iPad Pro (12.9-inch) (Wi-Fi)";
+};
diff --git a/arch/arm64/boot/dts/apple/s8001-j99a.dts b/arch/arm64/boot/dts/apple/s8001-j99a.dts
new file mode 100644
index 000000000000..d20194b1cae7
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/s8001-j99a.dts
@@ -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@xxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "s8001-pro.dtsi"
+
+/ {
+ compatible = "apple,j99a", "apple,s8001", "apple,arm-platform";
+ model = "Apple iPad Pro (12.9-inch) (Cellular)";
+};
diff --git a/arch/arm64/boot/dts/apple/s8001-pro.dtsi b/arch/arm64/boot/dts/apple/s8001-pro.dtsi
new file mode 100644
index 000000000000..214fbbcf66fd
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/s8001-pro.dtsi
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Apple iPad Pro (1st generation) common device tree
+ *
+ * Copyright (c) 2022, Konrad Dybcio <konradybcio@xxxxxxxxxx>
+ */
+
+#include "s8001.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>;
+ };
+ };
+};
+
+&serial0 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/apple/s8001.dtsi b/arch/arm64/boot/dts/apple/s8001.dtsi
new file mode 100644
index 000000000000..ab22d7948f62
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/s8001.dtsi
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Apple S8001 "A9X" SoC
+ *
+ * Copyright (c) 2022, Konrad Dybcio <konradybcio@xxxxxxxxxx>
+ * Based on Asahi Linux's M1 (t8103.dtsi) and Corellium's A10 efforts.
+ */
+
+#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>;
+
+ 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";
+ };
+ };
+
+ 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";
+ };
+ };
+
+ memory@800000000 {
+ device_type = "memory";
+ reg = <0x8 0 0 0>; /* To be filled in by loader */
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /*
+ * The bootloader reserves a region for the (varying-address, depending
+ * on what FW your device runs AND model) framebuffer under this node.
+ */
+ };
+
+ 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>;
+ };
+};
--
2.46.0