[PATCH] ARM: dts: rockchip: enable DMA on SPI for rk3066 and rk3188

Heiko Stübner
2014-10-11T18:24:27Z

Hi Julien,

Am Freitag, 10. Oktober 2014, 10:04:13 schrieb Julien CHAUVEAU:
> According to the RK3066 and RK3188 TRM, the two SPI controllers support DMA
> handshake interface. Add the DMA properties so they can be used when needed.
>
> Signed-off-by: Julien CHAUVEAU <julien.chauveau@neo-technologies.fr>

added the patch to a temporary branch for 3.19
(on github and will move to kernel.org once 3.18-rc1 is released)

Heiko

> ---
> arch/arm/boot/dts/rk3xxx.dtsi | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
> index 499468d..9ba92de 100644
> --- a/arch/arm/boot/dts/rk3xxx.dtsi
> +++ b/arch/arm/boot/dts/rk3xxx.dtsi
> @@ -367,6 +367,8 @@
> reg = <0x20070000 0x1000>;
> #address-cells = <1>;
> #size-cells = <0>;
> + dmas = <&dmac2 10>, <&dmac2 11>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -378,6 +380,8 @@
> reg = <0x20074000 0x1000>;
> #address-cells = <1>;
> #size-cells = <0>;
> + dmas = <&dmac2 12>, <&dmac2 13>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
> };