[GIT PULL] Samsung DT for v3.6

[Kukjin Kim]

Arnd Bergmann wrote:
> 
> On Monday 16 July 2012, Kukjin Kim wrote:
> > Please pull support samsung spi device tree for v3.6 from:
> >   git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git
> > next/dt-samsung
> >
> > It is for supporting spi dt for exynos4210 and exynos5250, and got the
> ack
> > from Grant Likely for spi driver.
> >
> > Note: Since this is including spi driver changes, so it was made based
> on
> > next/devel-dma-ops which touches same file, Samsung spi driver for
> avoiding
> > bad conflicts.
> >
> > If any problems, please kindly let me know.
> 
> Applied to next/dt branch. I'm not so happy about new dma channel
> properties getting added to additional bindings. I guess I should
> have complained earlier about these, so I'm keeping the changes
> but I've added the patch below to make it clear that they will
> have to change after we have agreed with Vinod and Jon on how
> they should be represented.
> 
Yeah, I agree. 

> 	Arnd
> 
> 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 <arnd at arndb.de>

Acked-by: Kukjin Kim <kgene.kim at samsung.com>

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt
> b/Documentation/devicetree/bindings/spi/spi-samsung.txt
> index 59bfc4f..a15ffed 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 6904d9d..02891fe 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 a3a2eb2..004aaa8 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>;
>  	};