linux-kernel - Re: [PATCH v2, 02/17] dt-bindings: mediatek: add CLK_MM_DISP_CONFIG control description for mt8192 display

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Message-ID: <1608686383.18252.6.camel@mhfsdcap03>
Date:   Wed, 23 Dec 2020 09:19:43 +0800
From:   Yongqiang Niu <yongqiang.niu@...iatek.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>
CC:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        "Rob Herring" <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        DTML <devicetree@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2, 02/17] dt-bindings: mediatek: add CLK_MM_DISP_CONFIG
 control description for mt8192 display

On Wed, 2020-12-16 at 23:17 +0800, Chun-Kuang Hu wrote:
> Hi, Yongqiang:
> 
> Yongqiang Niu <yongqiang.niu@...iatek.com> 於 2020年12月12日 週六 下午12:12寫道：
> >
> > add CLK_MM_DISP_CONFIG control description for mt8192 displa
> 
> display
> 
> >
> > Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> > ---
> >  Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> > index 1972fa7..dfbec76 100644
> > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> > @@ -54,6 +54,9 @@ Required properties (all function blocks):
> >    DPI controller nodes have multiple clock inputs. These are documented in
> >    mediatek,dsi.txt and mediatek,dpi.txt, respectively.
> >    An exception is that the mt8183 mutex is always free running with no clocks property.
> > +  An exception is that the mt8192 display add 2 more clocks(CLK_MM_DISP_CONFIG, CLK_MM_26MHZ),
> > +  and these 2 clocks need enabled before display module work like mutex clock, so we add these
> > +  2 clocks controled same with mutex clock.
> 
> If every display module needs these two clock, add these two clock to
> all the display module which need them.
> 
> Regards,
> Chun-Kuang.

all display module work need mutex clock work on, but not add mutex
clock into all display module
> 
> >
> >  Required properties (DMA function blocks):
> >  - compatible: Should be one of
> > --
> > 1.8.1.1.dirty
> > _______________________________________________
> > Linux-mediatek mailing list
> > Linux-mediatek@...ts.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-mediatek

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