Re: [PATCH v4 6/6] arm64: dts: zynqmp: Add DPDMA node

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Michal,

On Thu, May 14, 2020 at 07:56:47AM +0200, Michal Simek wrote:
> On 13. 05. 20 18:59, Laurent Pinchart wrote:
> > Add a DT node for the DisplayPort DMA engine (DPDMA).
> > 
> > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi |  4 ++++
> >  arch/arm64/boot/dts/xilinx/zynqmp.dtsi         | 10 ++++++++++
> >  2 files changed, 14 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> > index 9868ca15dfc5..32c4914738d9 100644
> > --- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> > @@ -57,6 +57,10 @@ &cpu0 {
> >  	clocks = <&zynqmp_clk ACPU>;
> >  };
> >  
> > +&dpdma {
> > +	clocks = <&zynqmp_clk DPDMA_REF>;
> > +};
> > +
> >  &fpd_dma_chan1 {
> >  	clocks = <&zynqmp_clk GDMA_REF>, <&zynqmp_clk LPD_LSBUS>;
> >  };
> > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > index 26d926eb1431..2e284eb8d3c1 100644
> > --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > @@ -246,6 +246,16 @@ pmu@9000 {
> >  			};
> >  		};
> >  
> > +		dpdma: dma-controller@fd4c0000 {
> > +			compatible = "xlnx,zynqmp-dpdma";
> > +			status = "disabled";
> > +			reg = <0x0 0xfd4c0000 0x0 0x1000>;
> > +			interrupts = <0 122 4>;
> > +			interrupt-parent = <&gic>;
> > +			clock-names = "axi_clk";
> > +			#dma-cells = <1>;
> > +		};
> > +
> >  		/* GDMA */
> >  		fpd_dma_chan1: dma@fd500000 {
> >  			status = "disabled";
> > 
> 
> Acked-by: Michal Simek <michal.simek@xxxxxxxxxx>
> 
> Feel free to take it with this series. Or let me know if you want me to
> take it via my soc tree.

If we ever find an agreement on the DMA engine API :-)

-- 
Regards,

Laurent Pinchart



[Index of Archives]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux PCI]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux