Re: [PATCH 5/6] arm64: dts: ls1028a: Specify the DMA channels for the DSPI controllers
From: Vladimir Oltean
Date: Mon Mar 09 2020 - 15:59:47 EST
On Mon, 9 Mar 2020 at 21:06, Michael Walle <michael@xxxxxxxx> wrote:
>
> Am 2020-03-09 15:56, schrieb Vladimir Oltean:
> > From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> >
> > LS1028A has a functional connection to the eDMA module. Even if the
> > spi-fsl-dspi.c driver is not using DMA for LS1028A now, define the
> > slots
> > in the DMAMUX for connecting the eDMA channels to the 3 DSPI
> > controllers.
> >
> > Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> > ---
> > arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > index 515e0a1b934f..18155273a46e 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > @@ -298,6 +298,8 @@
> > interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
> > clock-names = "dspi";
> > clocks = <&clockgen 4 1>;
> > + dmas = <&edma0 0 62>, <&edma0 0 60>;
> > + dma-names = "tx", "rx";
>
> minor nit. Other nodes specified the dma channels as
>
> dma-names = "tx", "rx";
> dmas = <&edma0 0 62>,
> <&edma0 0 60>;
>
> -michael
>
Does it matter?
Regards,
-Vladimir