On Wed, Nov 21, 2018 at 11:58:59PM +0000, Kuninori Morimoto wrote: > > Hi Simon > > > > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > > > > > rsnd driver supports SSIU now, let's use it. > > > Then, BUSIF DMA settings on rcar_sound,ssi (= rxu, txu) are > > > no longer needed. > > > To avoid git merge timing issue / git bisect issue, > > > this patch doesn't remove it so far, but will be removed in > > > the future. > > > > > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > > --- > > > arch/arm64/boot/dts/renesas/r8a7796.dtsi | 211 +++++++++++++++++++++++++++++++ > > > 1 file changed, 211 insertions(+) > > > > > > diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi > > > index 449eb33..5cc9b8b 100644 > > > --- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi > > > +++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi > > > @@ -1826,6 +1826,217 @@ > > > }; > > > }; > > > > > > + rcar_sound,ssiu { > > > + ssiu00: ssiu-0 { > > > + dmas = <&audma0 0x15>, <&audma1 0x16>; > > > + dma-names = "rx", "tx"; > > > + }; > > > > Hi Morimoto-san, > > > > I am having a little trouble finding documentation of the audma port > > numbers used in this patch. > > ?? Sorry what do you mean ? > You can find it on > > Table 48.5 Selecting On-Chip Peripheral Module Request Modes Thanks, that is the information that I was looking fore. I have gone ahead and applied this patch for v4.21.