linux-kernel - Re: [PATCH] USB: serial: cp210x: add GPIO support for CP2104

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Date:   Mon, 4 Feb 2019 17:27:52 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Johan Hovold <johan@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Karoly Pados <pados@...os.hu>
Subject: Re: [PATCH] USB: serial: cp210x: add GPIO support for CP2104

On Mon, Jan 28, 2019 at 01:57:17PM +0800, Icenowy Zheng wrote:
> The CP2104 chips feature 4 controllable GPIO pins, which are similar to
> the ones on CP2102N chip (output-only when push-pull, output or
> simulated input mode when open-drain).
> 
> Add support for the GPIO pins for cp210x driver. The pin get/set routine
> is shared with CP2102N, but the pinconf initialization code is not
> shared because the acquisition of GPIO configuration in OTP ROM is
> similar to CP2105, not CP2102N.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>

Thanks for the patch, all nice and clean.

Now applied.

Johan