修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
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@@ -29,6 +29,8 @@
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  - use-advanced-sector-protection: boolean to enable support for the
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    advanced sector protection (Spansion: PPB - Persistent Protection
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    Bits) locking.
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+ - addr-gpios : (optional) List of GPIO descriptors that will be used to
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+   address the MSBs address lines. The order goes from LSB to MSB.
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 For JEDEC compatible devices, the following additional properties
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 are defined:
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@@ -94,3 +96,19 @@
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 		bank-width = <2>;
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 	};
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+An example using gpio-addrs
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+
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+	flash@20000000 {
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+		#address-cells = <1>;
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+		#size-cells = <1>;
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+		compatible = "cfi-flash", "jedec-flash";
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+		reg = <0x20000000 0x02000000>;
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+		ranges = <0 0x00000000 0x02000000
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+		          1 0x02000000 0x02000000>;
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+		bank-width = <2>;
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+		addr-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
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+		partition@0 {
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+			label = "test-part1";
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+			reg = <0 0x04000000>;
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+		};
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+	};