linux-kernel - [PATCH 03/18] dt-bindings: arm: AAPL: Add bindings for Apple ARM platforms

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Message-Id: <20210204203951.52105-4-marcan@marcan.st>
Date:   Fri,  5 Feb 2021 05:39:36 +0900
From:   Hector Martin <marcan@...can.st>
To:     Hector Martin <marcan@...can.st>, soc@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        Marc Zyngier <maz@...nel.org>, robh+dt@...nel.org,
        Arnd Bergmann <arnd@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Olof Johansson <olof@...om.net>
Subject: [PATCH 03/18] dt-bindings: arm: AAPL: Add bindings for Apple ARM platforms

This introduces bindings for all three 2020 Apple M1 devices:

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

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

diff --git a/Documentation/devicetree/bindings/arm/AAPL.yaml b/Documentation/devicetree/bindings/arm/AAPL.yaml
new file mode 100644
index 000000000000..145b184e4a24
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/AAPL.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/AAPL.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple ARM Machine Device Tree Bindings
+
+maintainers:
+  - Hector Martin <marcan@...can.st>
+
+description: |
+  Apple ARM ("Apple Silicon") platforms should contain compatible strings
+  in the following format:
+
+  - AAPL,j274 (board/device ID)
+  - AAPL,m1 (SoC name)
+  - AAPL,arm-platform (used for all Apple ARM devices)
+
+properties:
+  $nodename:
+    const: "/"
+  compatible:
+    oneOf:
+      - description: Apple M1 SoC based platforms
+        items:
+          - enum:
+              - AAPL,j274 # Mac mini (M1, 2020)
+              - AAPL,j293 # MacBook Pro (13-inch, M1, 2020)
+              - AAPL,j313 # MacBook Air (M1, 2020)
+          - const: AAPL,m1
+          - const: AAPL,arm-platform
+
+additionalProperties: true
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index d3e847f7f3dc..91a7b33834ac 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@...can.st>
+L:	linux-arm-kernel@...ts.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/AAPL.yaml
+
 ARM/ARTPEC MACHINE SUPPORT
 M:	Jesper Nilsson <jesper.nilsson@...s.com>
 M:	Lars Persson <lars.persson@...s.com>
-- 
2.30.0