linux-kernel - RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: Add temperature sensor node

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Date:   Mon, 27 May 2019 08:27:26 +0000
From:   Andy Tang <andy.tang@....com>
To:     Leo Li <leoyang.li@....com>
CC:     Shawn Guo <shawnguo@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: Add temperature sensor
 node

Hi Leo,

> -----Original Message-----
> From: Li Yang <leoyang.li@....com>
> Sent: 2019年5月25日 6:32
> To: Andy Tang <andy.tang@....com>
> Cc: Shawn Guo <shawnguo@...nel.org>; Rob Herring <robh+dt@...nel.org>;
> Mark Rutland <mark.rutland@....com>; moderated list:ARM/FREESCALE
> IMX / MXC ARM ARCHITECTURE <linux-arm-kernel@...ts.infradead.org>;
> open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
> <devicetree@...r.kernel.org>; lkml <linux-kernel@...r.kernel.org>
> Subject: [EXT] Re: [PATCH] arm64: dts: ls1028a: Add temperature sensor
> node
> 
> Caution: EXT Email
> 
> On Thu, May 23, 2019 at 8:30 PM Yuantian Tang <andy.tang@....com>
> wrote:
> >
> > Add nxp sa56004 chip node for temperature monitor.
> >
> > Signed-off-by: Yuantian Tang <andy.tang@....com>
> > ---
> >  arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 5 +++++
> > arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts | 5 +++++
> >  2 files changed, 10 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > index b359068d9605..31fd626dd344 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> > @@ -131,6 +131,11 @@
> >                                 compatible = "atmel,24c512";
> >                                 reg = <0x57>;
> >                         };
> > +
> > +                       temp@4c {
> 
> The recommended name for temperature senor in dts spec is
> temperature-sensor.
I didn't find the spec for this recommendation. Could you please provide the link?
I like to update it to temp-sensor though.

> 
> > +                               compatible = "nxp,sa56004";
> 
> The binding says the following property is required.  If it is not the case,
> probably we should update the binding.
> - vcc-supply: vcc regulator for the supply voltage.
I will add the vcc-supply to comply this requirement.

Thanks,
Andy
> 
> > +                               reg = <0x4c>;
> > +                       };
> >                 };
> >
> >                 i2c@5 {
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > index f9c272fb0738..012b3f8696b7 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> > @@ -119,6 +119,11 @@
> >                                 compatible = "nxp,pcf2129";
> >                                 reg = <0x51>;
> >                         };
> > +
> > +                       temp@4c {
> > +                               compatible = "nxp,sa56004";
> > +                               reg = <0x4c>;
> > +                       };
> >                 };
> >         };
> >  };
> > --
> > 2.17.1
> >