linux-kernel - [PATCH v2 3/4] spi: dt-bindings: samsung: allow controller-data to be optional

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Message-Id: <20220111101338.58630-4-krzysztof.kozlowski@canonical.com>
Date:   Tue, 11 Jan 2022 11:13:37 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Andi Shyti <andi@...zian.org>, Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Pratyush Yadav <p.yadav@...com>, linux-spi@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Sam Protsenko <semen.protsenko@...aro.org>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v2 3/4] spi: dt-bindings: samsung: allow controller-data to be optional

The Samsung SoC SPI bindings requires to provide controller-data node
for each of SPI peripheral device nodes.  Make this controller-data node
optional, so DTS could be simpler.

Suggested-by: Rob Herring <robh@...nel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 .../devicetree/bindings/spi/samsung,spi-peripheral-props.yaml  | 1 +
 Documentation/devicetree/bindings/spi/samsung,spi.yaml         | 3 ---
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml
index aa5a1f48494b..cadc8a5f061f 100644
--- a/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml
@@ -28,6 +28,7 @@ properties:
            - 3: 270 degree phase shift sampling.
         $ref: /schemas/types.yaml#/definitions/uint32
         enum: [0, 1, 2, 3]
+        default: 0
 
     required:
       - samsung,spi-feedback-delay
diff --git a/Documentation/devicetree/bindings/spi/samsung,spi.yaml b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
index da4533feb946..322558818a43 100644
--- a/Documentation/devicetree/bindings/spi/samsung,spi.yaml
+++ b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
@@ -75,9 +75,6 @@ patternProperties:
     allOf:
       - $ref: spi-peripheral-props.yaml
 
-    required:
-      - controller-data
-
     unevaluatedProperties: false
 
 required:
-- 
2.32.0