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Date: Mon, 18 Sep 2017 14:56:15 -0700 From: Brian Norris <briannorris@...omium.org> To: Nickey Yang <nickey.yang@...k-chips.com> Cc: mark.yao@...k-chips.com, robh+dt@...nel.org, heiko@...ech.de, mark.rutland@....com, airlied@...ux.ie, linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, linux-rockchip@...ts.infradead.org, seanpaul@...omium.org, hl@...k-chips.com, zyw@...k-chips.com, bivvy.bi@...k-chips.com, xbl@...k-chips.com Subject: Re: [PATCH 3/7] dt-bindings: add the rockchip,dual-channel for dw-mipi-dsi Hi, On Mon, Sep 18, 2017 at 05:05:35PM +0800, Nickey Yang wrote: > Configure dsi slave channel when driving a panel > which needs 2 DSI links. > > Signed-off-by: Nickey Yang <nickey.yang@...k-chips.com> > --- > .../devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt > index 6bb59ab..e13e1a3 100644 > --- a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt > +++ b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt > @@ -19,6 +19,8 @@ Optional properties: > - power-domains: a phandle to mipi dsi power domain node. > - resets: list of phandle + reset specifier pairs, as described in [3]. > - reset-names: string reset name, must be "apb". > +- rockchip,dual-channel: configure dsi slave channel when driving a panel The wording "configure dsi slave channel" doesn't really tell you exactly what this *is*; in fact, it's more like a description of the SW than the HW (DT is supposed to describe HW). You probably want something like "phandle to a 2nd DSI channel; useful as a slave channel when driving a panel which needs 2 DSI links". Brian > + which needs 2 DSI links. > > [1] Documentation/devicetree/bindings/clock/clock-bindings.txt > [2] Documentation/devicetree/bindings/media/video-interfaces.txt > -- > 1.9.1 > >
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