Message ID | 1412928253-5119-1-git-send-email-julien.chauveau@neo-technologies.fr (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
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"; > }; > };
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"; }; };
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(+)