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Commit 5d74c8a0 authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

ARM: EXYNOS: mark the DMA channel binding for SPI as preliminary 



Bindings for DMA channels are still under discussion and will
change once this has been resolved. Therefore we mark them
the newly added ones as preliminary. Let's hope nobody starts
relying on them...

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent feb7b8d6

Documentation/devicetree/bindings/spi/spi-samsung.txt

+3 −0
Original line number Diff line number Diff line
@@ -18,6 +18,9 @@ Required SoC Specific Properties: 
- interrupts: The interrupt number to the cpu. The interrupt specifier format

  depends on the interrupt controller.



[PRELIMINARY: the dma channel allocation will change once there are

official DMA bindings]



- tx-dma-channel: The dma channel specifier for tx operations. The format of

  the dma specifier depends on the dma controller.

arch/arm/boot/dts/exynos4210.dtsi

+6 −6
Original line number Diff line number Diff line
@@ -168,8 +168,8 @@ 
		compatible = "samsung,exynos4210-spi";

		reg = <0x13920000 0x100>;

		interrupts = <0 66 0>;

		tx-dma-channel = <&pdma0 7>;

		rx-dma-channel = <&pdma0 6>;

		tx-dma-channel = <&pdma0 7>; /* preliminary */

		rx-dma-channel = <&pdma0 6>; /* preliminary */

		#address-cells = <1>;

		#size-cells = <0>;

	};
@@ -178,8 +178,8 @@ 
		compatible = "samsung,exynos4210-spi";

		reg = <0x13930000 0x100>;

		interrupts = <0 67 0>;

		tx-dma-channel = <&pdma1 7>;

		rx-dma-channel = <&pdma1 6>;

		tx-dma-channel = <&pdma1 7>; /* preliminary */

		rx-dma-channel = <&pdma1 6>; /* preliminary */

		#address-cells = <1>;

		#size-cells = <0>;

	};
@@ -188,8 +188,8 @@ 
		compatible = "samsung,exynos4210-spi";

		reg = <0x13940000 0x100>;

		interrupts = <0 68 0>;

		tx-dma-channel = <&pdma0 9>;

		rx-dma-channel = <&pdma0 8>;

		tx-dma-channel = <&pdma0 9>; /* preliminary */

		rx-dma-channel = <&pdma0 8>; /* preliminary */

		#address-cells = <1>;

		#size-cells = <0>;

	};

arch/arm/boot/dts/exynos5250.dtsi

+6 −6
Original line number Diff line number Diff line
@@ -156,8 +156,8 @@ 
		compatible = "samsung,exynos4210-spi";

		reg = <0x12d20000 0x100>;

		interrupts = <0 66 0>;

		tx-dma-channel = <&pdma0 5>;

		rx-dma-channel = <&pdma0 4>;

		tx-dma-channel = <&pdma0 5>; /* preliminary */

		rx-dma-channel = <&pdma0 4>; /* preliminary */

		#address-cells = <1>;

		#size-cells = <0>;

	};
@@ -166,8 +166,8 @@ 
		compatible = "samsung,exynos4210-spi";

		reg = <0x12d30000 0x100>;

		interrupts = <0 67 0>;

		tx-dma-channel = <&pdma1 5>;

		rx-dma-channel = <&pdma1 4>;

		tx-dma-channel = <&pdma1 5>; /* preliminary */

		rx-dma-channel = <&pdma1 4>; /* preliminary */

		#address-cells = <1>;

		#size-cells = <0>;

	};
@@ -176,8 +176,8 @@ 
		compatible = "samsung,exynos4210-spi";

		reg = <0x12d40000 0x100>;

		interrupts = <0 68 0>;

		tx-dma-channel = <&pdma0 7>;

		rx-dma-channel = <&pdma0 6>;

		tx-dma-channel = <&pdma0 7>; /* preliminary */

		rx-dma-channel = <&pdma0 6>; /* preliminary */

		#address-cells = <1>;

		#size-cells = <0>;

	};