linux-kernel - [PATCH v4 2/6] dt-bindings: phy: rockchip: naneng-combphy: Add power-domains property

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Message-ID: <20250624033733.50197-3-ziyao@disroot.org>
Date: Tue, 24 Jun 2025 03:37:29 +0000
From: Yao Zi <ziyao@...root.org>
To: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Yao Zi <ziyao@...root.org>,
	Frank Wang <frank.wang@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>,
	Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	Shresth Prasad <shresthprasad7@...il.com>,
	Chukun Pan <amadeus@....edu.cn>,
	Jonas Karlman <jonas@...boo.se>
Cc: linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 2/6] dt-bindings: phy: rockchip: naneng-combphy: Add power-domains property

Though isn't described in existing devicetrees, most Rockchip combphys
belong to a specific power-domain of the SoC. Taking RK3588 as example,
combphy 0 and combphy 2 belong to the PD_BUS domain. Document the
power-domains property to allow describing the information correctly
in devicetree.

Signed-off-by: Yao Zi <ziyao@...root.org>
---
 .../devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
index 3e101c3c5ea9..db293d2fbf1a 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
@@ -45,6 +45,9 @@ properties:
   phy-supply:
     description: Single PHY regulator
 
+  power-domains:
+    maxItems: 1
+
   rockchip,enable-ssc:
     type: boolean
     description:
-- 
2.49.0