linux-kernel - [PATCH 1/5] dt-bindings: i2c: st,stm32-i2c: add 'power-domains' property

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Message-ID: <20251215-stm32-i2c-mp2x-dt-updates-v1-1-2738a05a7af8@foss.st.com>
Date: Mon, 15 Dec 2025 13:19:40 +0100
From: Alain Volmat <alain.volmat@...s.st.com>
To: Andi Shyti <andi.shyti@...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>,
        Pierre-Yves MORDRET
	<pierre-yves.mordret@...s.st.com>
CC: <linux-i2c@...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 1/5] dt-bindings: i2c: st,stm32-i2c: add 'power-domains'
 property

STM32 I2C may be in a power domain which is the case for the STM32MP2x
based boards. Allow a single 'power-domains' entry for STM32 I2C.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
index 457bb0702ed9..64aaa0dfa8fa 100644
--- a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
@@ -127,6 +127,9 @@ properties:
 
   wakeup-source: true
 
+  power-domains:
+    maxItems: 1
+
   access-controllers:
     minItems: 1
     maxItems: 2

-- 
2.34.1