linux-kernel - Re: [Letux-kernel] What ist the standard way to define connector type and bus format with device tree?

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Date:   Sun, 31 Jan 2021 11:54:18 +0100
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Sam Ravnborg <sam@...nborg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     Paul Boddie <paul@...die.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ML dri-devel <dri-devel@...ts.freedesktop.org>,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>
Subject: Re: [Letux-kernel] What ist the standard way to define connector type and bus format with device tree?

ping?

> Am 12.01.2021 um 12:41 schrieb H. Nikolaus Schaller <hns@...delico.com>:
> 
> Hi,
> according to bindings/display/panel/panel-common.yaml
> and by using "panel-simple" as compatible string we
> can define almost all properties of a DSI panel by a
> device tree entry.
> 
> Except the connector type and bus format which can only be
> set by adding the information to the panel-simple tables.
> 
> This leads to big problems because DRM can't match the
> display with any lcd controller. A smaller issue is a
> warning:
> 
> [    0.313431] panel-simple claa070vc01: Specify missing connector_type
> 
> Are we missing some documentation or code that reads
> some "connector-type" and "bus-format" property?
> 
> BR and thanks,
> Nikolaus