linux-kernel - [PATCH v2 2/2] dt-bindings: hwmon: lm90: do not require VCC supply

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Message-Id: <20210920181913.338772-2-krzysztof.kozlowski@canonical.com>
Date:   Mon, 20 Sep 2021 20:19:13 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Subject: [PATCH v2 2/2] dt-bindings: hwmon: lm90: do not require VCC supply

The LM90-like sensors usually need VCC supply, however this can be
hard-wired to the board main supply (like in SiFive HiFive Unmatched
RISC-V board).  Original bindings made VCC supply as required but in
practice several other boards skipped it.  Make it optional.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

---

Changes since v1:
1. New patch
---
 Documentation/devicetree/bindings/hwmon/national,lm90.yaml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/hwmon/national,lm90.yaml b/Documentation/devicetree/bindings/hwmon/national,lm90.yaml
index e712117da3df..6e1d54ff5d5b 100644
--- a/Documentation/devicetree/bindings/hwmon/national,lm90.yaml
+++ b/Documentation/devicetree/bindings/hwmon/national,lm90.yaml
@@ -55,7 +55,6 @@ properties:
 required:
   - compatible
   - reg
-  - vcc-supply
 
 additionalProperties: false
 
-- 
2.30.2