linux-kernel - Re: [PATCH v6 1/3] dt-bindings: pwm: add MediaTek display PWM bindings

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Message-ID: <10346793.XDV1BVipfn@ubix>
Date:	Fri, 24 Jul 2015 14:56:47 +0200
From:	Matthias Brugger <matthias.bgg@...il.com>
To:	Daniel Kurtz <djkurtz@...omium.org>
Cc:	YH Huang <yh.huang@...iatek.com>,
	Mark Rutland <mark.rutland@....com>,
	Thierry Reding <thierry.reding@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>, linux-pwm@...r.kernel.org,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	srv_heupstream <srv_heupstream@...iatek.com>,
	linux-mediatek@...ts.infradead.org,
	Sascha Hauer <kernel@...gutronix.de>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>
Subject: Re: [PATCH v6 1/3] dt-bindings: pwm: add MediaTek display PWM bindings

On Friday, July 24, 2015 05:00:13 PM Daniel Kurtz wrote:
> On Fri, Jul 24, 2015 at 4:40 PM, Matthias Brugger
> 
> <matthias.bgg@...il.com> wrote:
> > On Monday, July 20, 2015 04:17:15 PM YH Huang wrote:
> >> Document the device-tree binding of MediatTek display PWM.
> >> The PWM has one channel to control the backlight brightness for display.
> >> It supports MT8173 and MT6595.
> >> 
> >> Signed-off-by: YH Huang <yh.huang@...iatek.com>
> >> ---
> >> 
> >>  .../devicetree/bindings/pwm/pwm-mtk-disp.txt       | 42
> >> 
> >> ++++++++++++++++++++++ 1 file changed, 42 insertions(+)
> >> 
> >>  create mode 100644
> >>  Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
> >> 
> >> diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
> >> b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt new file mode
> >> 100644
> >> index 0000000..f8f59ba
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
> >> @@ -0,0 +1,42 @@
> >> +MediaTek display PWM controller
> >> +
> >> +Required properties:
> >> + - compatible: should be "mediatek,<name>-disp-pwm":
> >> +   - "mediatek,mt8173-disp-pwm": found on mt8173 SoC.
> >> +   - "mediatek,mt6595-disp-pwm": found on mt6595 SoC.
> > 
> > I had another look on the mt6589 datasheet and for me it doesn't look like
> > as if this drivers is compatible to mt6589.
> 
> Matthias - the compatible is "mt6595", not mt6589 :-).
> Which datasheet did you check?
> 

In further versions the driver stated it support mt6589, so I didn' realize 
that it is mt6595 now. Logically I checked mt6589 datasheet... :(

Sorry for the noise!
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