linux-kernel - [PATCH v2 1/3] dt-bindings: mfd: 88pm886: Add #io-channel-cells

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Message-Id: <20250831-88pm886-gpadc-v2-1-759c1e14d95f@dujemihanovic.xyz>
Date: Sun, 31 Aug 2025 12:33:04 +0200
From: Duje Mihanović <duje@...emihanovic.xyz>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, Karel Balej <balejk@...fyz.cz>, 
 Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: David Wronek <david@...nlining.org>, phone-devel@...r.kernel.org, 
 ~postmarketos/upstreaming@...ts.sr.ht, linux-kernel@...r.kernel.org, 
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org, 
 Duje Mihanović <duje@...emihanovic.xyz>
Subject: [PATCH v2 1/3] dt-bindings: mfd: 88pm886: Add #io-channel-cells

Add an #io-channel-cells property to the Marvell 88PM886 PMIC binding to
allow referencing the IO channels exposed by its GPADC.

Signed-off-by: Duje Mihanović <duje@...emihanovic.xyz>
---
v2:
- New patch
---
 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 d6a71c912b76f7d24787d346d4b4cd51919b1cf6..92a72a99fd790805e775727e39d457608fa1795d 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 {

-- 
2.51.0