linux-kernel - Re: [PATCH v9 1/4] drm/i2c: tda998x: Add DT support for audio

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Message-ID: <20150113122715.GP12302@n2100.arm.linux.org.uk>
Date:	Tue, 13 Jan 2015 12:27:15 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	Jean-Francois Moine <moinejf@...e.fr>,
	Andrew Jackson <Andrew.Jackson@....com>,
	Jyri Sarha <jsarha@...com>, Mark Brown <broonie@...nel.org>,
	Dave Airlie <airlied@...il.com>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v9 1/4] drm/i2c: tda998x: Add DT support for audio

On Tue, Jan 13, 2015 at 01:21:58PM +0100, Philipp Zabel wrote:
> I wonder if it wouldn't be nicer to have the AP# and type in the device
> tree and then calculate the register value from that in the driver.
> 
> 	port@1 {
> 		reg = <1>; /* AP1 */
> 		nxp,audio-port = "i2s";
> 		tda998x_i2s: endpoint {
> 			remote-endpoint = <&audio1_i2s>;
> 		};
> 	};

What about the case where we have 4 I2S streams being supplied to the
device on four separate AP inputs?

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