linux-kernel - [PATCH v2 3/4] dt-bindings: spi: stm32: disable spi-slave property for stm32f4-f7

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Message-ID: <20230614102628.202936-4-valentin.caron@foss.st.com>
Date:   Wed, 14 Jun 2023 12:26:26 +0200
From:   Valentin Caron <valentin.caron@...s.st.com>
To:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Alain Volmat <alain.volmat@...s.st.com>
CC:     <linux-spi@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Valentin Caron <valentin.caron@...s.st.com>
Subject: [PATCH v2 3/4] dt-bindings: spi: stm32: disable spi-slave property for stm32f4-f7

From: Alain Volmat <alain.volmat@...s.st.com>

STM32F4 and STM32F7 can't switch to spi slave mode.
Forbid this property with compatible "st,stm32f4-spi".

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
Signed-off-by: Valentin Caron <valentin.caron@...s.st.com>
---
 Documentation/devicetree/bindings/spi/st,stm32-spi.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
index 9ca1a843c820..f1c86e694af1 100644
--- a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
@@ -27,6 +27,7 @@ allOf:
     then:
       properties:
         st,spi-midi-ns: false
+        spi-slave: false
 
 properties:
   compatible:
-- 
2.25.1