linux-kernel - [PATCH v2 1/2] dt-bindings: thermal: generic-adc: Add optional io-channel-cells property

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Message-ID: <20250219082817.56339-2-clamor95@gmail.com>
Date: Wed, 19 Feb 2025 10:28:16 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Lukasz Luba <lukasz.luba@....com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Laxman Dewangan <ldewangan@...dia.com>
Cc: linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: thermal: generic-adc: Add optional io-channel-cells property

Since device is a thermal sensor it needs '#io-channel-cells' to allow
exposure of thermal data via IIO means.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 .../devicetree/bindings/thermal/generic-adc-thermal.yaml      | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml b/Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml
index 12e6418dc24d..4bc2cff0593c 100644
--- a/Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml
@@ -30,6 +30,9 @@ properties:
   io-channel-names:
     const: sensor-channel
 
+  '#io-channel-cells':
+    const: 1
+
   temperature-lookup-table:
     description: |
       Lookup table to map the relation between ADC value and temperature.
@@ -60,6 +63,7 @@ examples:
         #thermal-sensor-cells = <0>;
         io-channels = <&ads1015 1>;
         io-channel-names = "sensor-channel";
+        #io-channel-cells = <1>;
         temperature-lookup-table = <
               (-40000) 2578
               (-39000) 2577
-- 
2.43.0