Re: [PATCH v2 3/3] riscv: dts: sophgo: cv180x: Allow the DMA multiplexer to set channel number for DMA controller
Inochi Amaoto <[email protected]>
| Newsgroups | dev.linux.lists.sophgo,org.infradead.lists.linux-riscv,org.kernel.vger.dmaengine,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Fri, Jan 16, 2026 at 10:42:54AM -0500, Frank Li wrote:
> On Mon, Dec 15, 2025 at 06:46:00AM +0800, Inochi Amaoto wrote:
> > Change the DMA controller compatible to the sophgo,cv1800b-axi-dma,
> > which supports setting DMA channel number in DMA phandle args.
>
>
> Does it need update DMA comsumer?
>
> Frank
Not needed, this is handle by the dmamux driver, it is allocate and
configure the DMA channel dynamicly.
Regards,
Inochi
> >
> > Fixes: 514951a81a5e ("riscv: dts: sophgo: cv18xx: add DMA controller")
> > Reported-by: Anton D. Stavinskii <[email protected]>
> > Closes: https://github.com/sophgo/linux/issues/9
> > Signed-off-by: Inochi Amaoto <[email protected]>
> > ---
> > arch/riscv/boot/dts/sophgo/cv180x.dtsi | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
> > index 1b2b1969a648..e1b515b46466 100644
> > --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
> > +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
> > @@ -417,7 +417,7 @@ sdhci1: mmc@4320000 {
> > };
> >
> > dmac: dma-controller@4330000 {
> > - compatible = "snps,axi-dma-1.01a";
> > + compatible = "sophgo,cv1800b-axi-dma";
> > reg = <0x04330000 0x1000>;
> > interrupts = <SOC_PERIPHERAL_IRQ(13) IRQ_TYPE_LEVEL_HIGH>;
> > clocks = <&clk CLK_SDMA_AXI>, <&clk CLK_SDMA_AXI>;
> > --
> > 2.52.0
> >