Hello Baolin,

On Wed, Aug 14, 2019 at 09:51:34AM +0800, Baolin Wang wrote:
> On Tue, 13 Aug 2019 at 22:13, Uwe Kleine-König
> <u.kleine-koe...@pengutronix.de> wrote:
> > On Tue, Aug 13, 2019 at 09:46:40PM +0800, Baolin Wang wrote:
> > > +- assigned-clock-parents: The phandle of the parent clock of PWM clock.
> >
> > I'm not sure you need to point out assigned-clocks and
> > assigned-clock-parents as this is general clk stuff. Also I wonder if
> > these should be "required properties".
> I think I should describe any properties used by PWM node, like
> 'clocks' and 'clock-names' properties, though they are common clock
> properties.

Then you might want to describe also "status", "assigned-clock-rates",
"pinctrl-$n", "pinctrl-names", "power-domains", "power-domain-names" and
probably another dozen I'm not aware of.

> Yes, they are required. Thanks for your comments.

required in which sense? Why can a Spreadtrum PWM not work when the
clock parents are unspecified?

Best regards

Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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