linux-kernel - Re: [PATCH v2 2/2] pwm: add this patch to support the new pwm of Rockchip SoCs

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Message-ID: <53D780D3.8070603@rock-chips.com>
Date:	Tue, 29 Jul 2014 19:09:07 +0800
From:	caesar <caesar.wang@...k-chips.com>
To:	Thierry Reding <thierry.reding@...il.com>
CC:	Doug Anderson <dianders@...omium.org>, linux-pwm@...r.kernel.org,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] pwm: add this patch to support the new pwm of
 Rockchip SoCs

Thierry,

在 2014年07月29日 18:22, Thierry Reding 写道:
> On Mon, Jul 28, 2014 at 07:19:18PM +0800, caesar wrote:
>> Doug,
>> 在 2014年07月28日 12:01, Doug Anderson 写道:
>>> Caesar,
>>>
>>> On Sun, Jul 27, 2014 at 7:00 AM, caesar <caesar.wang@...k-chips.com> wrote:
>>>> /*I think will be show the faill log:->
>>>>
>>>> * rockchip-pwm ff9301a0.pwm: can't request region for resource [mem
>>>> 0xff9301a0-0xff93019f]
>>>> */
>>>>
>>>> pc->base = devm_ioremap_resource(dev, regs);
>>> Did you actually code this up and try it and get this error?
>> Yeah.
> This should work if you properly set up the PWM subregion as a child of
> the LCDC region, which is what MFD will do for you.
>
> Thierry
As you say,should this change be occured by lcdc driver and dts?

The PWM driver don't need do any changes?

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