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The MAX31875 cannot reuse an existing lm75-family compatible such as adi,adt75: it has a 16-bit configuration register (instead of 8-bit), four independently selectable conversion rates (125 ms, 250 ms, 1 s, 4 s) and four independently selectable resolutions (8, 9, 10, 12 bits), and reports its alarm through a different configuration register bit. These differences require dedicated handling in the lm75 driver, so a distinct compatible string is needed to select it. Signed-off-by: John Erasmus Mari Geronimo Acked-by: Conor Dooley --- Documentation/devicetree/bindings/hwmon/lm75.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/hwmon/lm75.yaml b/Documentation/devicetree/bindings/hwmon/lm75.yaml index b48bf3fd721fe..d56f3ec299105 100644 --- a/Documentation/devicetree/bindings/hwmon/lm75.yaml +++ b/Documentation/devicetree/bindings/hwmon/lm75.yaml @@ -14,6 +14,7 @@ properties: compatible: enum: - adi,adt75 + - adi,max31875 - ams,as6200 - atmel,at30ts74 - dallas,ds1775 -- 2.34.1