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-rw-r--r--dts/Bindings/spi/spi-sun6i.txt44
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diff --git a/dts/Bindings/spi/spi-sun6i.txt b/dts/Bindings/spi/spi-sun6i.txt
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--- a/dts/Bindings/spi/spi-sun6i.txt
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-Allwinner A31/H3 SPI controller
-
-Required properties:
-- compatible: Should be "allwinner,sun6i-a31-spi" or "allwinner,sun8i-h3-spi".
-- reg: Should contain register location and length.
-- interrupts: Should contain interrupt.
-- clocks: phandle to the clocks feeding the SPI controller. Two are
- needed:
- - "ahb": the gated AHB parent clock
- - "mod": the parent module clock
-- clock-names: Must contain the clock names described just above
-- resets: phandle to the reset controller asserting this device in
- reset
-
-Optional properties:
-- dmas: DMA specifiers for rx and tx dma. See the DMA client binding,
- Documentation/devicetree/bindings/dma/dma.txt
-- dma-names: DMA request names should include "rx" and "tx" if present.
-
-Example:
-
-spi1: spi@1c69000 {
- compatible = "allwinner,sun6i-a31-spi";
- reg = <0x01c69000 0x1000>;
- interrupts = <0 66 4>;
- clocks = <&ahb1_gates 21>, <&spi1_clk>;
- clock-names = "ahb", "mod";
- resets = <&ahb1_rst 21>;
-};
-
-spi0: spi@1c68000 {
- compatible = "allwinner,sun8i-h3-spi";
- reg = <0x01c68000 0x1000>;
- interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>;
- clock-names = "ahb", "mod";
- dmas = <&dma 23>, <&dma 23>;
- dma-names = "rx", "tx";
- pinctrl-names = "default";
- pinctrl-0 = <&spi0_pins>;
- resets = <&ccu RST_BUS_SPI0>;
- #address-cells = <1>;
- #size-cells = <0>;
-};