From 5d74c8a065abc8ae283a6fe8a1e7dd6313a22165 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 17 Jul 2012 23:13:06 +0200 Subject: [PATCH] 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 --- .../devicetree/bindings/spi/spi-samsung.txt | 3 +++ arch/arm/boot/dts/exynos4210.dtsi | 12 ++++++------ arch/arm/boot/dts/exynos5250.dtsi | 12 ++++++------ 3 files changed, 15 insertions(+), 12 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt index 59bfc4f9feb3..a15ffeddfba4 100644 --- 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 6904d9dfbf28..02891fe876e4 100644 --- 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 a3a2eb2598d7..004aaa8d123c 100644 --- 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>; }; -- 2.39.5