Re: [PATCH] arm64: dts: renesas: r8a7796: add SSIU support for sound

From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
To: Simon Horman <horms@verge.net.au>
Cc: Magnus <magnus.damm@gmail.com>,
	"linux-renesas-soc@vger.kernel.org"
	<linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH] arm64: dts: renesas: r8a7796: add SSIU support for sound
Date: Wed, 21 Nov 2018 23:58:59 +0000	[thread overview]
Message-ID: <875zwqng8c.wl-kuninori.morimoto.gx@renesas.com> (raw)
In-Reply-To: <20181121095154.3e4e3l2wjaugjyuq@verge.net.au>

Hi Simon

> > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > 
> > 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@renesas.com>
> > ---
> >  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

Best regards
---
Kuninori Morimoto