* [PATCH] ARM: dts: rockchip: enable DMA on SPI for rk3066 and rk3188
@ 2014-10-10 8:04 Julien CHAUVEAU
2014-10-11 18:24 ` Heiko Stübner
0 siblings, 1 reply; 2+ messages in thread
From: Julien CHAUVEAU @ 2014-10-10 8:04 UTC (permalink / raw)
To: Heiko Stuebner, Rob Herring, Pawel Moll, Mark Rutland,
Ian Campbell, Kumar Gala, Russell King,
moderated list:ARM/Rockchip SoC..., open list:ARM/Rockchip SoC...,
open list:OPEN FIRMWARE AND..., open list
Cc: 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>
---
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";
};
};
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: dts: rockchip: enable DMA on SPI for rk3066 and rk3188
2014-10-10 8:04 [PATCH] ARM: dts: rockchip: enable DMA on SPI for rk3066 and rk3188 Julien CHAUVEAU
@ 2014-10-11 18:24 ` Heiko Stübner
0 siblings, 0 replies; 2+ messages in thread
From: Heiko Stübner @ 2014-10-11 18:24 UTC (permalink / raw)
To: Julien CHAUVEAU
Cc: Rob Herring, Pawel Moll, Mark Rutland, Ian Campbell, Kumar Gala,
Russell King, moderated list:ARM/Rockchip SoC...,
open list:ARM/Rockchip SoC..., open list:OPEN FIRMWARE AND...,
open list
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";
> };
> };
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