linux-kernel - Re: [PATCH v3 15/24] dt-bindings: display: sun4i-drm: Add description of A64 HDMI PHY

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Message-ID: <1669385.k4L9lni8DF@jernej-laptop>
Date:   Thu, 28 Jun 2018 06:51:22 +0200
From:   Jernej Škrabec <jernej.skrabec@...l.net>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Gustavo Padovan <gustavo@...ovan.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH v3 15/24] dt-bindings: display: sun4i-drm: Add description of A64 HDMI PHY

Dne četrtek, 28. junij 2018 ob 04:19:55 CEST je Chen-Yu Tsai napisal(a):
> On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec <jernej.skrabec@...l.net> 
wrote:
> > A64 HDMI PHY is similar to H3 HDMI PHY except it has two possible PLL
> > clock parents. It is compatible to other HDMI PHYs, like that found in
> > R40.
> > 
> > Acked-by: Rob Herring <robh@...nel.org>
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> > ---
> > 
> >  Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> > b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index
> > 84fe38dbb900..dc83f21ef188 100644
> > --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> > +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> > @@ -101,6 +101,7 @@ DWC HDMI PHY
> > 
> >  Required properties:
> >    - compatible: value must be one of:
> > +    * allwinner,sun50i-a64-hdmi-phy
> > 
> >      * allwinner,sun8i-a83t-hdmi-phy
> >      * allwinner,sun8i-h3-hdmi-phy
> 
> Nit: the list is sorted by family first, then SoC name, so it should
> be the last on the list.

I went alphabetically, since "5" is before "8"...

Best regards,
Jernej

> 
> Otherwise,
> 
> Reviewed-by: Chen-Yu Tsai <wens@...e.org>
> 
> >    - reg: base address and size of memory-mapped region
> > 
> > @@ -111,8 +112,9 @@ Required properties:
> >    - resets: phandle to the reset controller driving the PHY
> >    - reset-names: must be "phy"
> > 
> > -H3 HDMI PHY requires additional clock:
> > 
> > +H3 and A64 HDMI PHY require additional clocks:
> >    - pll-0: parent of phy clock
> > 
> > +  - pll-1: second possible phy clock parent (A64 only)
> > 
> >  TV Encoder
> >  ----------
> > 
> > --
> > 2.18.0