add led

hc

2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/Documentation/devicetree/bindings/memory-controllers/synopsys.txt
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 Binding for Synopsys IntelliDDR Multi Protocol Memory Controller
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-This controller has an optional ECC support in half-bus width (16-bit)
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-configuration. The ECC controller corrects one bit error and detects
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-two bit errors.
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+The ZynqMP DDR ECC controller has an optional ECC support in 64-bit and 32-bit
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+bus width configurations.
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+
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+The Zynq DDR ECC controller has an optional ECC support in half-bus width
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+(16-bit) configuration.
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+
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+These both ECC controllers correct single bit ECC errors and detect double bit
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+ECC errors.
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 Required properties:
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- - compatible: Should be 'xlnx,zynq-ddrc-a05'
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- - reg: Base address and size of the controllers memory area
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+ - compatible: One of:
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+	- 'xlnx,zynq-ddrc-a05' : Zynq DDR ECC controller
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+	- 'xlnx,zynqmp-ddrc-2.40a' : ZynqMP DDR ECC controller
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+ - reg: Should contain DDR controller registers location and length.
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+
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+Required properties for "xlnx,zynqmp-ddrc-2.40a":
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+ - interrupts: Property with a value describing the interrupt number.
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 Example:
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 	memory-controller@f8006000 {
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 		compatible = "xlnx,zynq-ddrc-a05";
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 		reg = <0xf8006000 0x1000>;
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 	};
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+
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+	mc: memory-controller@fd070000 {
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+		compatible = "xlnx,zynqmp-ddrc-2.40a";
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+		reg = <0x0 0xfd070000 0x0 0x30000>;
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+		interrupt-parent = <&gic>;
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+		interrupts = <0 112 4>;
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+	};