From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Cc: Simon Horman <horms@verge.net.au>,
geert@glider.be, Linux PWM List <linux-pwm@vger.kernel.org>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Magnus Damm <magnus.damm@gmail.com>
Subject: Re: [PATCH v2 0/8] r8a7795/6 Salvator-X PWM enablement
Date: Fri, 12 May 2017 14:03:55 +0300 [thread overview]
Message-ID: <3796049.09pyf4pHBH@avalon> (raw)
In-Reply-To: <CAO3366w2JtF9Ni6_yzuQs7-dEy=LNFSekOyiA9YJbHHvvpPLzQ@mail.gmail.com>
Hi Ulrich,
On Friday 12 May 2017 12:36:50 Ulrich Hecht wrote:
> On Fri, May 12, 2017 at 12:00 PM, Laurent Pinchart wrote:
> >> * arm64: dts: r8a7795-salvator-x: Enable PWM2
> >
> > I've asked Ulrich for a clarification on this patch as I'm not sure it's
> > needed, but he hasn't answered yet. Could we delay merging it until the
> > situation is clarified ?
>
> Enabling it allows to control the switching frequency from userspace
> via sysfs. I guess it's a matter of taste whether to do this by
> default, but I see no downside to it.
For PWM signals that are meant to be used by expansion boards, sure, but this
one is meant to control the PMIC. I'd rather not let userspace mess with it.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2017-05-12 11:03 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-27 14:37 [PATCH v2 0/8] r8a7795/6 Salvator-X PWM enablement Ulrich Hecht
2017-04-27 14:37 ` [PATCH v2 1/8] pinctrl: sh-pfc: r8a7796: Add PWM pins, groups and functions Ulrich Hecht
2017-04-27 14:37 ` [PATCH v2 2/8] clk: renesas: r8a7796: add PWM clock Ulrich Hecht
2017-04-27 14:37 ` [PATCH v2 3/8] arm64: dts: r8a7796: Add PWM device nodes Ulrich Hecht
2017-04-27 14:37 ` [PATCH v2 4/8] arm64: dts: r8a7796: salvator-x: Add panel backlight support Ulrich Hecht
2017-04-27 14:43 ` Laurent Pinchart
2017-05-13 18:56 ` Laurent Pinchart
2017-05-15 5:48 ` Simon Horman
2017-05-15 6:50 ` Laurent Pinchart
2017-05-15 6:59 ` Simon Horman
2017-09-05 15:08 ` Geert Uytterhoeven
2017-04-27 14:37 ` [PATCH v2 5/8] arm64: dts: r8a7796-salvator-x: Add PWM device support Ulrich Hecht
2017-04-27 14:37 ` [PATCH v2 6/8] arm64: dts: r8a7795: salvator-x: Add panel backlight support Ulrich Hecht
2017-04-27 14:42 ` Laurent Pinchart
2017-04-27 14:43 ` Laurent Pinchart
2017-04-28 5:23 ` Simon Horman
2017-04-27 14:37 ` [PATCH v2 7/8] arm64: dts: r8a7795-salvator-x: Enable PWM2 Ulrich Hecht
2017-04-27 14:40 ` Laurent Pinchart
2017-08-30 8:06 ` Simon Horman
2017-08-30 8:08 ` Simon Horman
2017-04-27 14:37 ` [PATCH v2 8/8] dt-bindings: pwm: Add R-Car M3-W device tree bindings Ulrich Hecht
2017-04-27 14:50 ` Geert Uytterhoeven
2017-04-28 5:24 ` Simon Horman
2017-04-28 7:29 ` [PATCH v2 0/8] r8a7795/6 Salvator-X PWM enablement Simon Horman
2017-05-12 9:16 ` Simon Horman
2017-05-12 10:00 ` Laurent Pinchart
2017-05-12 10:36 ` Ulrich Hecht
2017-05-12 11:03 ` Laurent Pinchart [this message]
2017-05-15 5:42 ` Simon Horman
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