linux-kernel - [PATCH 1/3] dt-bindings: spi: st,stm32-spi: add 'power-domains' property

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Message-ID: <20251215-stm32-spi-mp2x-dt-updates-v1-1-464a5fd20f13@foss.st.com>
Date: Mon, 15 Dec 2025 13:26:20 +0100
From: Alain Volmat <alain.volmat@...s.st.com>
To: Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Maxime
 Coquelin" <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Erwan Leray <erwan.leray@...s.st.com>,
        Fabrice Gasnier <fabrice.gasnier@...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>,
        "Alain Volmat" <alain.volmat@...s.st.com>
Subject: [PATCH 1/3] dt-bindings: spi: st,stm32-spi: add 'power-domains'
 property

STM32 SPI may be in a power domain which is the case for the STM32MP2x
based boards. Allow a single 'power-domains' entry for STM32 SPI.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 Documentation/devicetree/bindings/spi/st,stm32-spi.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
index ca880a226afa..472e92974714 100644
--- a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
@@ -96,6 +96,9 @@ properties:
       The region should be defined as child node of the AHB SRAM node
       as per the generic bindings in Documentation/devicetree/bindings/sram/sram.yaml
 
+  power-domains:
+    maxItems: 1
+
   access-controllers:
     minItems: 1
     maxItems: 2

-- 
2.34.1