add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/arm/boot/dts/rv1126-thunder-boot-spi-nor.dtsi
..
..
@@ -13,3 +13,15 @@
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 		memory-region-dst = <&ramdisk_r>;
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 	};
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 };
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+
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+&sfc {
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+	status = "okay";
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+
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+	flash@0 {
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+		compatible = "jedec,spi-nor";
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+		reg = <0>;
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+		spi-max-frequency = <108000000>;
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+		spi-rx-bus-width = <2>;
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+		spi-tx-bus-width = <2>;
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+	};
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+};