linux-kernel - Re: [PATCH 6/9] dt/bindings: Add a serial/UART attached device binding

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Date:   Fri, 06 Jan 2017 20:21:34 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Rob Herring <robh@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Jiri Slaby <jslaby@...e.com>,
        Sebastian Reichel <sre@...nel.org>,
        "Dr . H . Nikolaus Schaller" <hns@...delico.com>,
        Peter Hurley <peter@...leysoftware.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Loic Poulain <loic.poulain@...el.com>,
        Pavel Machek <pavel@....cz>, NeilBrown <neil@...wn.name>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-bluetooth@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 6/9] dt/bindings: Add a serial/UART attached device binding

On Friday, January 6, 2017 10:26:32 AM CET Rob Herring wrote:
> +Optional Properties:
> +
> +- reg          : A single cell representing the port/line number of the
> +                 host UART. Only used if the host UART is a single node
> +                 with multiple ports.
> +

If there is a 'reg' property in the child, I guess we should also
document a #address-cells/#size-cells value for the parent.

Can you give an example of a multi-port serial device we support?
I was expecting that we already need a device node per port anyway,
to make the console work.

	Arnd