modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/Documentation/devicetree/bindings/soc/rockchip/rockchip_system_monitor.txt
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@@ -17,6 +17,9 @@
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 			property (above).
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 - rockchip,temp-offline-cpus: A string containing cpus which will be killed
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 			when temperature is high.
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+- rockchip,thermal-governor-dummy: This property allows system monitor to
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+			change thermal governor to dummy, and the system
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+			monitor will manage cooling devices.
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 Example:
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