linux-kernel - Re: [PATCH 07/12] ARM: dts: imx6ul-isiot: Add Sound card with codec node

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Message-ID: <20170324130934.GO30608@dragon>
Date:   Fri, 24 Mar 2017 21:09:36 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Jagan Teki <jagan@...nedev.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Matteo Lisi <matteo.lisi@...icam.com>,
        Michael Trimarchi <michael@...rulasolutions.com>
Subject: Re: [PATCH 07/12] ARM: dts: imx6ul-isiot: Add Sound card with codec
 node

On Fri, Mar 24, 2017 at 02:02:38PM +0530, Jagan Teki wrote:
> On Fri, Mar 24, 2017 at 10:53 AM, Shawn Guo <shawnguo@...nel.org> wrote:
> > On Wed, Mar 22, 2017 at 11:18:12PM +0530, Jagan Teki wrote:
> >> From: Jagan Teki <jagan@...rulasolutions.com>
> >>
> >> Add support for Sound card and related codec(via i2c1) nodes
> >> on Engicam Is.IoT MX6UL variant module boards.
> >>
> >> Cc: Shawn Guo <shawnguo@...nel.org>
> >> Cc: Matteo Lisi <matteo.lisi@...icam.com>
> >> Cc: Michael Trimarchi <michael@...rulasolutions.com>
> >> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> >> ---
> >>  arch/arm/boot/dts/imx6ul-isiot-common.dtsi | 11 +++++++++++
> >>  arch/arm/boot/dts/imx6ul-isiot.dtsi        | 30 ++++++++++++++++++++++++++++++
> >>  2 files changed, 41 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/imx6ul-isiot-common.dtsi b/arch/arm/boot/dts/imx6ul-isiot-common.dtsi
> >> index b149b5e..c79fa42 100644
> >> --- a/arch/arm/boot/dts/imx6ul-isiot-common.dtsi
> >> +++ b/arch/arm/boot/dts/imx6ul-isiot-common.dtsi
> >> @@ -41,6 +41,17 @@
> >>   */
> >>
> >>  &i2c1 {
> >> +     codec: sgtl5000@0a {
> >
> >         sgtl5000: codec@a {
> 
> Just to understand, why codec: sgtl5000@0a not a suitable notation?
> couldn't see any Documentation.

The node name should be generic.  Please see ePAPR '2.2.2 Generic Names
Recommendation'.  Also, the unit-address shouldn't have leading zeros.

Shawn