linux-kernel - [PATCH v3 1/2] dt-bindings: mmc: mmc-slot: Make compatible property optional

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Message-ID: <20250212-mmc-slot-v3-1-2bf288207040@microchip.com>
Date: Wed, 12 Feb 2025 14:52:10 +0530
From: Dharma Balasubiramani <dharma.b@...rochip.com>
To: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>, Kevin Hilman
	<khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>, "Martin
 Blumenstingl" <martin.blumenstingl@...glemail.com>
CC: <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-amlogic@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Dharma Balasubiramani
	<dharma.b@...rochip.com>
Subject: [PATCH v3 1/2] dt-bindings: mmc: mmc-slot: Make compatible
 property optional

The compatible property is required for some vendor-specific device trees, such
as Amlogic's meson-mx-sdio, but is unnecessary for others, like Microchip's
DTS. To resolve unintended warnings for configurations that do not require it,
remove compatible from the required properties in mmc-slot.yaml.

Since meson-mx-sdio still requires compatible, explicitly add it to its
required list in amlogic,meson-mx-sdio.yaml.

Signed-off-by: Dharma Balasubiramani <dharma.b@...rochip.com>
---
 Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml | 3 +++
 Documentation/devicetree/bindings/mmc/mmc-slot.yaml              | 1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml
index 022682a977c6..0d4d9ca6a8d9 100644
--- a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml
+++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml
@@ -60,6 +60,9 @@ patternProperties:
       bus-width:
         enum: [1, 4]
 
+    required:
+      - compatible
+
     unevaluatedProperties: false
 
 required:
diff --git a/Documentation/devicetree/bindings/mmc/mmc-slot.yaml b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml
index 1f0667828063..ca3d0114bfc6 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-slot.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml
@@ -29,7 +29,6 @@ properties:
     maxItems: 1
 
 required:
-  - compatible
   - reg
 
 unevaluatedProperties: false

-- 
2.43.0