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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/Documentation/devicetree/bindings/spi/spi-lantiq-ssc.txt
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@@ -1,11 +1,17 @@
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 Lantiq Synchronous Serial Controller (SSC) SPI master driver
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 Required properties:
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-- compatible: "lantiq,ase-spi", "lantiq,falcon-spi", "lantiq,xrx100-spi"
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+- compatible: "lantiq,ase-spi", "lantiq,falcon-spi", "lantiq,xrx100-spi",
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+  "intel,lgm-spi"
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 - #address-cells: see spi-bus.txt
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 - #size-cells: see spi-bus.txt
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 - reg: address and length of the spi master registers
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-- interrupts: should contain the "spi_rx", "spi_tx" and "spi_err" interrupt.
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+- interrupts:
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+  For compatible "intel,lgm-ssc" - the common interrupt number for
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+  all of tx rx & err interrupts.
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+       or
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+  For rest of the compatibles, should contain the "spi_rx", "spi_tx" and
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+  "spi_err" interrupt.
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 Optional properties:
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@@ -27,3 +33,14 @@
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 	num-cs = <6>;
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 	base-cs = <1>;
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 };
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+
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+ssc0: spi@e0800000 {
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+	compatible = "intel,lgm-spi";
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+	reg = <0xe0800000 0x400>;
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+	interrupt-parent = <&ioapic1>;
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+	interrupts = <35 1>;
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+	#address-cells = <1>;
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+	#size-cells = <0>;
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+	clocks = <&cgu0 LGM_CLK_NGI>, <&cgu0 LGM_GCLK_SSC0>;
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+	clock-names = "freq", "gate";
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+};