linux-kernel - RE: [PATCH] ARM: dts: imx7s: add anatop vdd1p2 regulator

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Date:   Mon, 19 Mar 2018 02:06:16 +0000
From:   Anson Huang <anson.huang@....com>
To:     Fabio Estevam <festevam@...il.com>
CC:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        dl-linux-imx <linux-imx@....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>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] ARM: dts: imx7s: add anatop vdd1p2 regulator

Hi, Fabio

Anson Huang
Best Regards!


> -----Original Message-----
> From: Fabio Estevam [mailto:festevam@...il.com]
> Sent: Monday, March 19, 2018 3:54 AM
> To: Anson Huang <anson.huang@....com>
> Cc: Shawn Guo <shawnguo@...nel.org>; Sascha Hauer
> <kernel@...gutronix.de>; Fabio Estevam <fabio.estevam@....com>; Rob
> Herring <robh+dt@...nel.org>; Mark Rutland <mark.rutland@....com>;
> Russell King - ARM Linux <linux@...linux.org.uk>; dl-linux-imx
> <linux-imx@....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>; linux-kernel <linux-kernel@...r.kernel.org>
> Subject: Re: [PATCH] ARM: dts: imx7s: add anatop vdd1p2 regulator
> 
> Hi Anson,
> 
> On Sat, Mar 17, 2018 at 4:36 AM, Anson Huang <Anson.Huang@....com>
> wrote:
> > Add i.MX7S/D anatop vdd1p2 regulator.
> >
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > ---
> >  arch/arm/boot/dts/imx7s.dtsi | 15 +++++++++++++++
> >  1 file changed, 15 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/imx7s.dtsi
> > b/arch/arm/boot/dts/imx7s.dtsi index cd6964f..1210028 100644
> > --- a/arch/arm/boot/dts/imx7s.dtsi
> > +++ b/arch/arm/boot/dts/imx7s.dtsi
> > @@ -565,6 +565,21 @@
> >                                         anatop-max-voltage =
> <1200000>;
> >                                         anatop-enable-bit = <0>;
> >                                 };
> > +
> > +                               reg_1p2:
> regulator-vdd1p2@...60220 {
> > +                                       reg = <0x30360220>;
> > +                                       compatible =
> "fsl,anatop-regulator";
> > +                                       regulator-name = "vdd1p2";
> > +                                       regulator-min-microvolt =
> <1100000>;
> > +                                       regulator-max-microvolt =
> <1300000>;
> > +                                       anatop-reg-offset =
> <0x220>;
> > +                                       anatop-vol-bit-shift = <8>;
> > +                                       anatop-vol-bit-width = <5>;
> > +                                       anatop-min-bit-val =
> <0x14>;
> > +                                       anatop-min-voltage =
> <1100000>;
> > +                                       anatop-max-voltage =
> <1300000>;
> > +                                       anatop-enable-bit = <0>;
> > +                               };
> 
> Do you also plan to add a consumer for it?
 
This regulator is mainly for USB HSIC, the consumer will be added when HSIC
do upstream.

Anson.