linux-kernel - RE: [PATCH] arm64: dts: ls1028a: Add Audio DT nodes

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Date:   Wed, 20 Feb 2019 08:12:44 +0000
From:   Alison Wang <alison.wang@....com>
To:     Shawn Guo <shawnguo@...nel.org>
CC:     Leo Li <leoyang.li@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] arm64: dts: ls1028a: Add Audio DT nodes

Hi, Shawn,

> On Wed, Jan 23, 2019 at 01:21:35PM +0800, Alison Wang wrote:
> > This patch adds Audio DT nodes for LS1028ARDB and LS1028AQDS boards.
> >
> > Signed-off-by: Alison Wang <alison.wang@....com>
> > ---
> >  arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts |   62
> ++++++++++++++++++++
> >  arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts |   63
> +++++++++++++++++++++
> >  arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi    |   57
> +++++++++++++++++++
> >  3 files changed, 182 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > index 14c79f4..139728e 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > @@ -32,6 +32,49 @@
> >  		device_type = "memory";
> >  		reg = <0x0 0x80000000 0x1 0x00000000>;
> >  	};
> > +
> > +	sys_mclk: clock-mclk {
> > +		compatible = "fixed-clock";
> > +		#clock-cells = <0>;
> > +		clock-frequency = <25000000>;
> > +	};
> > +
> > +	reg_1p8v: regulator-1p8v {
> > +		compatible = "regulator-fixed";
> > +		regulator-name = "1P8V";
> > +		regulator-min-microvolt = <1800000>;
> > +		regulator-max-microvolt = <1800000>;
> > +		regulator-always-on;
> > +	};
> > +
> > <snip>
> > +
> > +			codec: sgtl5000@a {
> > +				#sound-dai-cells = <0>;
> > +				compatible = "fsl,sgtl5000";
> > +				reg = <0xa>;
> > +				VDDA-supply = <&reg_1p8v>;
> > +				VDDIO-supply = <&reg_1p8v>;
> > +				clocks = <&sys_mclk>;
> > +				sclk-strength = <3>;
> 
> What is this property?
[Alison] It is a new property. I have submitted a patch for this new property https://lkml.org/lkml/2018/12/25/123. This patch is already merged in linux-next.

For other items you mentioned, I will modify them in v2. Thanks a lot for your review.


Best Regards,
Alison Wang