[PATCH v2 02/25] dt-bindings: arm: apple: Add bindings for Apple ARM platforms

[Hector Martin]

This introduces bindings for all three 2020 Apple M1 devices:

* apple,j274 - Mac mini (M1, 2020)
* apple,j293 - MacBook Pro (13-inch, M1, 2020)
* apple,j313 - MacBook Air (M1, 2020)

Signed-off-by: Hector Martin <marcan at marcan.st>
---
 .../devicetree/bindings/arm/apple.yaml        | 36 +++++++++++++++++++
 MAINTAINERS                                   | 10 ++++++
 2 files changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/apple.yaml

diff --git a/Documentation/devicetree/bindings/arm/apple.yaml b/Documentation/devicetree/bindings/arm/apple.yaml
new file mode 100644
index 000000000000..e44d308d6bde
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/apple.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/apple.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple ARM Machine Device Tree Bindings
+
+maintainers:
+  - Hector Martin <marcan at marcan.st>
+
+description: |
+  Apple ARM ("Apple Silicon") platforms should contain compatible strings
+  in the following format:
+
+  - apple,j274 (board/device ID)
+  - apple,m1 (SoC name)
+  - apple,arm-platform (Apple Silicon)
+
+properties:
+  $nodename:
+    const: "/"
+  compatible:
+    oneOf:
+      - description: Apple M1 SoC based platforms
+        items:
+          - enum:
+              - apple,j274 # Mac mini (M1, 2020)
+              - apple,j293 # MacBook Pro (13-inch, M1, 2020)
+              - apple,j313 # MacBook Air (M1, 2020)
+          - const: apple,m1
+          - const: apple,arm-platform
+
+additionalProperties: true
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index d3e847f7f3dc..4eba6ab16bd9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1625,6 +1625,16 @@ F:	arch/arm/mach-alpine/
 F:	arch/arm64/boot/dts/amazon/
 F:	drivers/*/*alpine*
 
+ARM/APPLE MACHINE SUPPORT
+M:	Hector Martin <marcan at marcan.st>
+L:	linux-arm-kernel at lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+W:	https://asahilinux.org
+B:	https://github.com/AsahiLinux/linux/issues
+C:	irc://chat.freenode.net/asahi-dev
+T:	git https://github.com/AsahiLinux/linux.git
+F:	Documentation/devicetree/bindings/arm/apple.yaml
+
 ARM/ARTPEC MACHINE SUPPORT
 M:	Jesper Nilsson <jesper.nilsson at axis.com>
 M:	Lars Persson <lars.persson at axis.com>
-- 
2.30.0