This currently supports:

* SMP (via spin-tables)
* AIC IRQs
* Serial (with earlycon)
* Framebuffer

A number of properties are dynamic, and based on system firmware
decisions that vary from version to version. These are expected
to be filled in by the loader.

Signed-off-by: Hector Martin <redacted>
---
 MAINTAINERS                              |   1 +
 arch/arm64/boot/dts/Makefile             |   1 +
 arch/arm64/boot/dts/apple/Makefile       |   2 +
 arch/arm64/boot/dts/apple/t8103-j274.dts |  45 ++++++++
 arch/arm64/boot/dts/apple/t8103.dtsi     | 135 +++++++++++++++++++++++
 5 files changed, 184 insertions(+)
 create mode 100644 arch/arm64/boot/dts/apple/Makefile
 create mode 100644 arch/arm64/boot/dts/apple/t8103-j274.dts
 create mode 100644 arch/arm64/boot/dts/apple/t8103.dtsi

diff --git a/MAINTAINERS b/MAINTAINERS
index 28bd46f4f7a7..d5e4d93a536a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS

@@ -1647,6 +1647,7 @@ C:	irc://chat.freenode.net/asahi-dev
 T:	git https://github.com/AsahiLinux/linux.git
 F:	Documentation/devicetree/bindings/arm/apple.yaml
 F:	Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
+F:	arch/arm64/boot/dts/apple/
 F:	arch/arm64/include/asm/sysreg_apple.h
 F:	drivers/irqchip/irq-apple-aic.c
 F:	include/dt-bindings/interrupt-controller/apple-aic.h

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index f1173cd93594..639e01a4d855 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile

@@ -6,6 +6,7 @@ subdir-y += amazon
 subdir-y += amd
 subdir-y += amlogic
 subdir-y += apm
+subdir-y += apple
 subdir-y += arm
 subdir-y += bitmain
 subdir-y += broadcom

diff --git a/arch/arm64/boot/dts/apple/Makefile b/arch/arm64/boot/dts/apple/Makefile
new file mode 100644
index 000000000000..cbbd701ebf05
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/Makefile

@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_APPLE) += t8103-j274.dtb

diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts
new file mode 100644
index 000000000000..8afc2ed70361
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/t8103-j274.dts

@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Apple Mac mini (M1, 2020)
+ *
+ * target-type: J174
+ *
+ * Copyright The Asahi Linux Contributors
+ */
+
+/dts-v1/;
+
+#include "t8103.dtsi"
+
+/ {
+	compatible = "apple,j274", "apple,t8103", "apple,arm-platform";
+	model = "Apple Mac mini (M1, 2020)";
+
+	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 0x2 0>; /* To be filled by loader */