linux-kernel - Re: [PATCH v8 15/26] pwm: jz4740: Add support for the JZ4725B

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Date:   Thu, 13 Dec 2018 10:24:09 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Mathieu Malaterre <malat@...ian.org>,
        Ezequiel Garcia <ezequiel@...labora.co.uk>,
        PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>,
        linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-clk@...r.kernel.org, od@...c.me
Subject: Re: [PATCH v8 15/26] pwm: jz4740: Add support for the JZ4725B

Hello,

On Wed, Dec 12, 2018 at 11:09:10PM +0100, Paul Cercueil wrote:
> The PWM in the JZ4725B works the same as in the JZ4740, except that it
> only has 6 channels available instead of 8.

this driver is probed only from device tree? If yes, it might be
sensible to specify the number of PWMs there and get it from there.
There doesn't seem to be a generic binding for that, but there are
several drivers that could benefit from it. (This is a bigger project
though and shouldn't stop your patch. Still more as it already got
Thierry's ack.)

Best regards
Uwe

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