Hi, Rob

Best Regards!
Anson Huang

> -----Original Message-----
> From: Anson Huang
> Sent: 2019年3月26日 8:56
> To: 'Rob Herring' <r...@kernel.org>
> Cc: thierry.red...@gmail.com; mark.rutl...@arm.com;
> shawn...@kernel.org; s.ha...@pengutronix.de; ker...@pengutronix.de;
> feste...@gmail.com; li...@armlinux.org.uk; ste...@agner.ch;
> ota...@ossystems.com.br; Leonard Crestez <leonard.cres...@nxp.com>;
> Robin Gong <yibin.g...@nxp.com>; jan.tu...@emtrion.com; linux-
> p...@vger.kernel.org; devicet...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org; linux-kernel@vger.kernel.org; u.kleine-
> koe...@pengutronix.de; dl-linux-imx <linux-...@nxp.com>
> Subject: RE: [PATCH V9 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding
> 
> Hi, Rob
> 
> Best Regards!
> Anson Huang
> 
> > -----Original Message-----
> > From: Rob Herring [mailto:r...@kernel.org]
> > Sent: 2019年3月26日 4:42
> > To: Anson Huang <anson.hu...@nxp.com>
> > Cc: thierry.red...@gmail.com; mark.rutl...@arm.com;
> > shawn...@kernel.org; s.ha...@pengutronix.de; ker...@pengutronix.de;
> > feste...@gmail.com; li...@armlinux.org.uk; ste...@agner.ch;
> > ota...@ossystems.com.br; Leonard Crestez <leonard.cres...@nxp.com>;
> > Robin Gong <yibin.g...@nxp.com>; jan.tu...@emtrion.com; linux-
> > p...@vger.kernel.org; devicet...@vger.kernel.org; linux-arm-
> > ker...@lists.infradead.org; linux-kernel@vger.kernel.org; u.kleine-
> > koe...@pengutronix.de; dl-linux-imx <linux-...@nxp.com>
> > Subject: Re: [PATCH V9 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding
> >
> > On Fri, Mar 22, 2019 at 01:48:05AM +0000, Anson Huang wrote:
> > > Add i.MX TPM(Low Power Timer/Pulse Width Modulation Module) PWM
> > binding.
> > >
> > > Signed-off-by: Anson Huang <anson.hu...@nxp.com>
> > > ---
> > > No changes.
> >
> > v9? I don't recall seeing any previous versions.
> 
> I checked my mailbox, you are in the "to" list in every version. The first
> version's subject is:
> [PATCH 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding...
> 
> >
> > > ---
> > >  .../devicetree/bindings/pwm/imx-tpm-pwm.txt        | 22
> > ++++++++++++++++++++++
> > >  1 file changed, 22 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..94f1ad5
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> > > @@ -0,0 +1,22 @@
> > > +Freescale i.MX TPM PWM controller
> > > +
> > > +Required properties:
> > > +- compatible : Should be "fsl,imx-tpm".
> >
> > Needs to be SoC specific.
> 
> OK, will change it to "fsl,imx7ulp-tpm" in next verson.

As " fsl,imx7ulp-tpm " is already used for timer, TPM can work as a timer
or PWM, so I have to use " fsl,imx7ulp-pwm" in the V10 patch I just sent.

Anson.

> 
> >
> > > +- reg: Physical base address and length of the controller's registers.
> > > +- #pwm-cells: Should be 3. 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.
> > > +
> > > +Note: The TPM counter and period counter are shared between
> > > +multiple channels, so all channels should use same period setting.
> > > +
> > > +Example:
> > > +
> > > +pwm0: tpm@40250000 {
> >
> > pwm@...
> 
> I forgot to update the example in DT binding, sorry for that, will update it
> according to below dts node:
> 
>                  pwm0: pwm@40250000 {
> 
> Anson.

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