linux-kernel - Re: [PATCH 3/3] ARM: dts: Enable audio support for Peach-pi board

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Message-ID: <CAD=FV=XqqP7+xDOAKCixivzgaO0xvJX7L+CCN+unAEuf-6aUbQ@mail.gmail.com>
Date:	Fri, 13 Jun 2014 10:03:50 -0700
From:	Doug Anderson <dianders@...gle.com>
To:	Tushar Behera <tushar.b@...sung.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Mike Turquette <mturquette@...aro.org>,
	Tomasz Figa <t.figa@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Kevin Hilman <khilman@...aro.org>,
	Tushar Behera <trblinux@...il.com>,
	Mark Brown <broonie@...aro.org>
Subject: Re: [PATCH 3/3] ARM: dts: Enable audio support for Peach-pi board

Tushar,

On Tue, Jun 10, 2014 at 10:32 PM, Tushar Behera <tushar.b@...sung.com> wrote:
> Peach-pi board has MAX98090 audio codec connected on HSI2C-7 bus.

If you want to be a stickler about it, peach-pi actually has a
max98091.  That requires code changes to the i2c driver, though.
...and unfortunately listing two compatible strings for i2c devices is
broken.  :(


> Signed-off-by: Tushar Behera <tushar.b@...sung.com>
> ---
>  arch/arm/boot/dts/exynos5800-peach-pi.dts |   31 +++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> index f3af207..76f5966 100644
> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> @@ -78,9 +78,27 @@
>                 pinctrl-0 = <&usb301_vbus_en>;
>                 enable-active-high;
>         };
> +
> +       sound {
> +               compatible = "google,snow-audio-max98090";
> +
> +               samsung,i2s-controller = <&i2s0>;
> +               samsung,audio-codec = <&max98090>;
> +       };
> +};
> +
> +&i2s0 {
> +       status = "okay";

It would be awfully nice to keep diffs between exynos5420-peach-pit
and exynos5800-peach-pi clean.  They're 99% the same.  I know this has
already gotten messed up with DP/HDMI were added, but there's no need
to make it worse.

Could you add these nodes in the same place within the dts they were
added in exynos5420-peach-pit?
--
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