修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt
..
..
@@ -11,3 +11,15 @@
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 		reg = <0xffd08000 0x1000>;
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 		cpu1-start-addr = <0xffd080c4>;
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 	};
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+
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+ARM64 - Stratix10
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+Required properties:
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+- compatible : "altr,sys-mgr-s10"
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+- reg : Should contain 1 register range(address and length)
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+        for system manager register.
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+
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+Example:
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+	 sysmgr@ffd12000 {
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+		compatible = "altr,sys-mgr-s10";
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+		reg = <0xffd12000 0x228>;
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+	};