linux-kernel - RE: [PATCH V5 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding

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Date:   Mon, 18 Mar 2019 10:09:01 +0000
From:   Anson Huang <anson.huang@....com>
To:     Thierry Reding <thierry.reding@...il.com>
CC:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "otavio@...ystems.com.br" <otavio@...ystems.com.br>,
        "stefan@...er.ch" <stefan@...er.ch>,
        Leonard Crestez <leonard.crestez@....com>,
        Robin Gong <yibin.gong@....com>,
        "jan.tuerk@...rion.com" <jan.tuerk@...rion.com>,
        "linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V5 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding

Hi, Thierry

Best Regards!
Anson Huang

> -----Original Message-----
> From: Thierry Reding [mailto:thierry.reding@...il.com]
> Sent: 2019年3月18日 17:59
> To: Anson Huang <anson.huang@....com>
> Cc: robh+dt@...nel.org; mark.rutland@....com; shawnguo@...nel.org;
> s.hauer@...gutronix.de; kernel@...gutronix.de; festevam@...il.com;
> linux@...linux.org.uk; otavio@...ystems.com.br; stefan@...er.ch;
> Leonard Crestez <leonard.crestez@....com>; Robin Gong
> <yibin.gong@....com>; jan.tuerk@...rion.com; linux-
> pwm@...r.kernel.org; devicetree@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; linux-kernel@...r.kernel.org; u.kleine-
> koenig@...gutronix.de; dl-linux-imx <linux-imx@....com>
> Subject: Re: [PATCH V5 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding
> 
> On Mon, Mar 18, 2019 at 07:41:32AM +0000, Anson Huang wrote:
> > Add i.MX TPM(Low Power Timer/Pulse Width Modulation Module) PWM
> binding.
> >
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > ---
> > No changes.
> > ---
> >  Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt | 19
> > +++++++++++++++++++
> >  1 file changed, 19 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> >
> > diff --git a/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> > b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> > new file mode 100644
> > index 0000000..d47b8fb
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> > @@ -0,0 +1,19 @@
> > +Freescale i.MX TPM PWM controller
> > +
> > +Required properties:
> > +- compatible : Should be "fsl,imx-tpm-pwm".
> 
> Should this perhaps only be "fsl,imx-tpm"? Sounds to me like this is a
> hardware block called "TPM" that can be used as a PWM. The compatible
> string should describe the hardware block, not the mode in which it is used.

OK, will fix it.

> 
> > +- reg: Physical base address and length of the controller's registers.
> > +- #pwm-cells: Should be 2. See pwm.txt in this directory for a description
> of the cells format.
> > +- clocks : The clock provided by the SoC to drive the PWM.
> > +- interrupts: The interrupt for the pwm controller.
> 
> pwm -> PWM

OK.
Thanks,
Anson

> 
> Thierry