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: Arnd Bergmann <arnd@arndb.de>

diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt
index 59bfc4f9feb3df31f57409de986485ca67b7a6c3..a15ffeddfba43744f843a7a91386b15b8da60a63 100644 (file)
--- a/Documentation/devicetree/bindings/spi/spi-samsung.txt
+++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt
@@ -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.
 

diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 6904d9dfbf28a9d36b4bd189082a859b6da3a52e..02891fe876e43bbbdb947aae28840baa7f9fa860 100644 (file)
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -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>;
        };

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index a3a2eb2598d73d40634752be0b63a37a3fc1a4e0..004aaa8d123cd66fed607c7c45ebc5827cd018dd 100644 (file)
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -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>;
        };