From: Peter Ujfalusi <peter.ujfalusi-l0cyMroinI0@public.gmane.org>
To: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: Bryan Wu <cooloney-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Richard Purdie <rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org>,
linux-leds-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 3/3] leds: leds-pwm: Add device tree bindings
Date: Fri, 7 Dec 2012 15:04:51 +0100 [thread overview]
Message-ID: <50C1F783.6090501@ti.com> (raw)
In-Reply-To: <20121207133453.800C43E0B87@localhost>
On 12/07/2012 02:34 PM, Grant Likely wrote:
> It really needs to look like this:
>
> pwmleds {
> compatible = "pwm-leds";
> kpad {
> label = "omap4::keypad";
> max-brightness = <127>;
> pwms = <&twl_pwm 0 7812500>;
> };
> charging {
> label = "omap4:green:chrg";
> max-brightness = <255>;
> pwms = <&twl_pwmled 0 7812500>;
> };
> };
OK.
So What we need to do is export the of_pwm_request() from drivers/pwm/core.c
Client drivers us of_pwm_request(node, NULL); to get the pwm when booted with DT.
Works fine on my setup this way and the DTS section looks just as you have
described.
Now I need to clean them up and resubmit.
--
Péter
WARNING: multiple messages have this Message-ID (diff)
From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: Bryan Wu <cooloney@gmail.com>, Richard Purdie <rpurdie@rpsys.net>,
<linux-leds@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<devicetree-discuss@lists.ozlabs.org>,
Thierry Reding <thierry.reding@avionic-design.de>,
Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH v2 3/3] leds: leds-pwm: Add device tree bindings
Date: Fri, 7 Dec 2012 15:04:51 +0100 [thread overview]
Message-ID: <50C1F783.6090501@ti.com> (raw)
In-Reply-To: <20121207133453.800C43E0B87@localhost>
On 12/07/2012 02:34 PM, Grant Likely wrote:
> It really needs to look like this:
>
> pwmleds {
> compatible = "pwm-leds";
> kpad {
> label = "omap4::keypad";
> max-brightness = <127>;
> pwms = <&twl_pwm 0 7812500>;
> };
> charging {
> label = "omap4:green:chrg";
> max-brightness = <255>;
> pwms = <&twl_pwmled 0 7812500>;
> };
> };
OK.
So What we need to do is export the of_pwm_request() from drivers/pwm/core.c
Client drivers us of_pwm_request(node, NULL); to get the pwm when booted with DT.
Works fine on my setup this way and the DTS section looks just as you have
described.
Now I need to clean them up and resubmit.
--
Péter
next prev parent reply other threads:[~2012-12-07 14:04 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-12 14:41 [PATCH v2 0/3] leds: leds-pwm: Device tree support Peter Ujfalusi
2012-11-12 14:41 ` Peter Ujfalusi
[not found] ` <1352731270-27534-1-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org>
2012-11-12 14:41 ` [PATCH v2 1/3] leds: leds-pwm: Convert to use devm_get_pwm Peter Ujfalusi
2012-11-12 14:41 ` Peter Ujfalusi
2012-11-14 1:14 ` Bryan Wu
[not found] ` <CAK5ve-JDCSSOKHQG-F1RoDii62=-DiPevaD6SafndYVvOgB6Fw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-11-14 7:13 ` Peter Ujfalusi
2012-11-14 7:13 ` Peter Ujfalusi
2012-12-03 14:13 ` Peter Ujfalusi
2012-12-03 14:13 ` Peter Ujfalusi
2012-12-03 18:32 ` Bryan Wu
[not found] ` <CAK5ve-+1eQ3mPLAu2Qxw4LjNA85oEtJE-wZcL=YpQ0xBFJ6+hQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-04 8:11 ` Peter Ujfalusi
2012-12-04 8:11 ` Peter Ujfalusi
2012-12-04 17:34 ` Bryan Wu
2012-12-05 15:36 ` Peter Ujfalusi
2012-12-05 15:36 ` Peter Ujfalusi
2012-11-12 14:41 ` [PATCH v2 2/3] leds: leds-pwm: Preparing the driver for device tree support Peter Ujfalusi
2012-11-12 14:41 ` Peter Ujfalusi
2012-11-12 14:41 ` [PATCH v2 3/3] leds: leds-pwm: Add device tree bindings Peter Ujfalusi
2012-11-12 14:41 ` Peter Ujfalusi
[not found] ` <1352731270-27534-4-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org>
2012-12-06 10:00 ` Grant Likely
2012-12-06 10:00 ` Grant Likely
2012-12-06 12:36 ` Peter Ujfalusi
2012-12-06 12:36 ` Peter Ujfalusi
[not found] ` <50C0913B.9070802-l0cyMroinI0@public.gmane.org>
2012-12-07 13:34 ` Grant Likely
2012-12-07 13:34 ` Grant Likely
2012-12-07 14:04 ` Peter Ujfalusi [this message]
2012-12-07 14:04 ` Peter Ujfalusi
2012-12-10 22:37 ` Grant Likely
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