linux-kernel - [PATCH v1 1/2] dt-bindings: regulator: nxp,pca9450: document input supplies

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Message-ID: <20251027124415.989301-2-o.rempel@pengutronix.de>
Date: Mon, 27 Oct 2025 13:44:14 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Robin Gong <yibin.gong@....com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: [PATCH v1 1/2] dt-bindings: regulator: nxp,pca9450: document input supplies

Add missing supply properties for PCA945x input pin groups:
- inl1-supply (for LDOs)
- inb13-supply (for BUCK1/3)
- inb26-supply (for BUCK2/6)
- inb45-supply (for BUCK4/5)

These properties describe external power sources for each input group.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 .../bindings/regulator/nxp,pca9450-regulator.yaml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
index a5486c36830f..863717984a79 100644
--- a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
@@ -41,6 +41,21 @@ properties:
   interrupts:
     maxItems: 1
 
+  inl1-supply:
+    description: Regulator supply for the INL1 pin group, powering LDOx
+
+  inb13-supply:
+    description:
+      Regulator supply for the INB13 pin group, powering BUCK1 and BUCK3.
+
+  inb26-supply:
+    description:
+      Regulator supply for the INB26 pin group, powering BUCK2 and BUCK6.
+
+  inb45-supply:
+    description:
+      Regulator supply for the INB45 pin group, powering BUCK4 and BUCK5.
+
   regulators:
     type: object
     description: |
-- 
2.47.3