linux-kernel - [PATCH v2] dt-bindings: serial: stm32: add power-domains property

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Date: Thu, 18 Jan 2024 10:11:35 +0100
From: Valentin Caron <valentin.caron@...s.st.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby
	<jirislaby@...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>
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        Valentin Caron
	<valentin.caron@...s.st.com>
Subject: [PATCH v2] dt-bindings: serial: stm32: add power-domains property

STM32 serial may be in a power domain.
Allow a single 'power-domains' entry for STM32 serial devices.

Signed-off-by: Valentin Caron <valentin.caron@...s.st.com>
---
Since v1:
 - Change commit message after Krzysztof review

 Documentation/devicetree/bindings/serial/st,stm32-uart.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
index 1df8ffe95fc61..62f97da1b2fd7 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
@@ -58,6 +58,9 @@ properties:
 
   wakeup-source: true
 
+  power-domains:
+    maxItems: 1
+
   rx-threshold:
     description:
       If value is set to 1, RX FIFO threshold is disabled.

base-commit: 0c84bea0cabc4e2b98a3de88eeb4ff798931f056
-- 
2.25.1