modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/Documentation/devicetree/bindings/iio/temperature/maxim_thermocouple.txt
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@@ -5,7 +5,10 @@
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 Required properties:
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-	- compatible: must be "maxim,max31855" or "maxim,max6675"
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+	- compatible: must be "maxim,max6675" or one of the following:
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+	   "maxim,max31855k", "maxim,max31855j", "maxim,max31855n",
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+	   "maxim,max31855s", "maxim,max31855t", "maxim,max31855e",
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+	   "maxim,max31855r"; the generic "max,max31855" is deprecated.
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 	- reg: SPI chip select number for the device
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 	- spi-max-frequency: must be 4300000
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 	- spi-cpha: must be defined for max6675 to enable SPI mode 1
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@@ -15,7 +18,7 @@
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 Example:
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 	max31855@0 {
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-		compatible = "maxim,max31855";
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+		compatible = "maxim,max31855k";
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 		reg = <0>;
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 		spi-max-frequency = <4300000>;
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 	};