From 0f06e28747b3d896b9c71c2a7e9f48061755162b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Duje=20Mihanovi=C4=87?= <duje@dujemihanovic.xyz>
Date: Thu, 11 Sep 2025 14:43:44 +0200
Subject: [PATCH] dt-bindings: mfd: 88pm886: Add #io-channel-cells
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Add an #io-channel-cells property to the Marvell 88PM886 PMIC binding to
allow referencing the IO channels exposed by its GPADC.

Acked-by: Karel Balej <balejk@matfyz.cz> # for the PMIC
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml b/Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml
index d6a71c912b76f..92a72a99fd790 100644
--- a/Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml
+++ b/Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml
@@ -35,6 +35,9 @@ properties:
         description: LDO or buck regulator.
         unevaluatedProperties: false
 
+  '#io-channel-cells':
+    const: 1
+
 required:
   - compatible
   - reg
@@ -53,6 +56,7 @@ examples:
         reg = <0x30>;
         interrupts = <0 4 IRQ_TYPE_LEVEL_HIGH>;
         interrupt-parent = <&gic>;
+        #io-channel-cells = <1>;
         wakeup-source;
 
         regulators {
-- 
2.47.3