From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@bootlin.com (Maxime Ripard) Date: Tue, 13 Mar 2018 09:00:26 +0100 Subject: [PATCH v2 4/6] ASoC: sun4i-i2s: Add multi-lane functionality In-Reply-To: <20180312155753.9478-5-codekipper@gmail.com> References: <20180312155753.9478-1-codekipper@gmail.com> <20180312155753.9478-5-codekipper@gmail.com> Message-ID: <20180313080026.jtag4w46koxzeqe2@flea> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Mar 12, 2018 at 04:57:51PM +0100, codekipper at gmail.com wrote: > From: Marcus Cooper > > The i2s block supports multi-lane i2s output however this functionality > is only possible in earlier SoCs where the pins are exposed and for > the i2s block used for HDMI audio on the later SoCs. > > To enable this functionality, an optional property has been added to > the bindings. > > Signed-off-by: Marcus Cooper > --- > .../devicetree/bindings/sound/sun4i-i2s.txt | 3 ++ > sound/soc/sunxi/sun4i-i2s.c | 48 +++++++++++++++++----- > 2 files changed, 41 insertions(+), 10 deletions(-) > > diff --git a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt > index 48addef65b8f..3f966ac61b9e 100644 > --- a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt > +++ b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt > @@ -33,6 +33,9 @@ Optional properties: > configured to extend the slot width to the > value specified. Min 8, Max 32. > > +- allwinner,playback-channels: if this property is present then the number > + of available channels is extended and the > + outputs enabled. Isn't it something that is fixed for each generation of SoCs? Can't we attach it to the compatible? Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: