RE: [PATCH V9 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding
From: Anson Huang
Date: Mon Mar 25 2019 - 20:57:13 EST
Hi, Rob
Best Regards!
Anson Huang
> -----Original Message-----
> From: Rob Herring [mailto:robh@xxxxxxxxxx]
> Sent: 2019年3月26日 4:42
> To: Anson Huang <anson.huang@xxxxxxx>
> Cc: thierry.reding@xxxxxxxxx; mark.rutland@xxxxxxx;
> shawnguo@xxxxxxxxxx; s.hauer@xxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx;
> festevam@xxxxxxxxx; linux@xxxxxxxxxxxxxxx; stefan@xxxxxxxx;
> otavio@xxxxxxxxxxxxxxxx; Leonard Crestez <leonard.crestez@xxxxxxx>;
> Robin Gong <yibin.gong@xxxxxxx>; jan.tuerk@xxxxxxxxxxx; linux-
> pwm@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; u.kleine-
> koenig@xxxxxxxxxxxxxx; dl-linux-imx <linux-imx@xxxxxxx>
> 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.Huang@xxxxxxx>
> > ---
> > 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.
>
> > +- 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.