linux-kernel - [PATCH] dt-bindings: hwmon: ti,tmp108: document V+ supply, add short description

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Date: Sun, 16 Jun 2024 21:40:27 +0200
From: Stanislav Jakubek <stano.jakubek@...il.com>
To: Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: hwmon: ti,tmp108: document V+ supply, add short
 description

TMP108 is powered by its V+ supply, document it.
While at it, add a short description with a link to its datasheets.

Signed-off-by: Stanislav Jakubek <stano.jakubek@...il.com>
---
Not entirely sure of the "v+-supply" name, but the datasheet only ever
refers to it as "V+" or simply as the "supply voltage".
Only other name I've seen is in the schematic for the msm8226-based
motorola-falcon smartphone, where it's called "V_POS".

 .../devicetree/bindings/hwmon/ti,tmp108.yaml          | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp108.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp108.yaml
index 8b5307c875ff..71d3b51d24d1 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,tmp108.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,tmp108.yaml
@@ -9,6 +9,14 @@ title: TMP108 temperature sensor
 maintainers:
   - Krzysztof Kozlowski <krzk@...nel.org>
 
+description: |
+  The TMP108 is a digital-output temperature sensor with a
+  dynamically-programmable limit window, and under- and overtemperature
+  alert functions.
+
+  Datasheets:
+    https://www.ti.com/product/TMP108
+
 properties:
   compatible:
     enum:
@@ -24,6 +32,8 @@ properties:
   "#thermal-sensor-cells":
     const: 0
 
+  v+-supply: true
+
 required:
   - compatible
   - reg
@@ -45,6 +55,7 @@ examples:
             interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
             pinctrl-names = "default";
             pinctrl-0 = <&tmp_alrt>;
+            v+-supply = <&supply>;
             #thermal-sensor-cells = <0>;
         };
     };
-- 
2.34.1