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Message-ID: <1464936349.5209.9.camel@mhfsdcap03>
Date: Fri, 3 Jun 2016 14:45:49 +0800
From: weiqing kong <weiqing.kong@...iatek.com>
To: Rob Herring <robh@...nel.org>
CC: Thierry Reding <thierry.reding@...il.com>,
Mark Rutland <mark.rutland@....com>,
Matthias Brugger <matthias.bgg@...il.com>,
"Pawel Moll" <pawel.moll@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Russell King <linux@....linux.org.uk>,
<linux-pwm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>,
Sascha Hauer <kernel@...gutronix.de>, <erin.lo@...iatek.com>,
<yingjoe.chen@...iatek.com>, <eddie.huang@...iatek.com>,
<yh.huang@...iatek.com>, <yt.shen@...iatek.com>
Subject: Re: [PATCH 1/3] dt-bindings: pwm: Add MediaTek display PWM bindings
On Thu, 2016-06-02 at 17:45 -0500, Rob Herring wrote:
> On Mon, May 30, 2016 at 04:41:50PM +0800, Weiqing Kong wrote:
> > Add MT2701 compatible string.
> >
> > Signed-off-by: Weiqing Kong <weiqing.kong@...iatek.com>
> > ---
> > Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
> > index f8f59ba..f2f2fa9 100644
> > --- a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
> > +++ b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
> > @@ -1,9 +1,10 @@
> > MediaTek display PWM controller
> >
> > Required properties:
> > - - compatible: should be "mediatek,<name>-disp-pwm":
> > - - "mediatek,mt8173-disp-pwm": found on mt8173 SoC.
> > + - compatible: should be like these:
> > + - "mediatek,mt2701-disp-bls": found on mt2701 SoC.
>
> Why bls instead of pwm?
In mt6595/mt8173, we have a hardware module named pwm.
In mt2701, we have bls hardware module which includes disp pwm function,
so we named it mt2701-disp-bls rather than mt2701-disp-pwm in order to
match with hardware spec.
thanks.
>
> > - "mediatek,mt6595-disp-pwm": found on mt6595 SoC.
> > + - "mediatek,mt8173-disp-pwm": found on mt8173 SoC.
> > - reg: physical base address and length of the controller's registers.
> > - #pwm-cells: must be 2. See pwm.txt in this directory for a description of
> > the cell format.
> > --
> > 1.8.1.1.dirty
> >
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