linux-kernel - Re: [PATCH v12] USB: serial: cp210x: Add support for GPIOs on CP2108

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Message-ID: <YKdqKDj/Qbw4k5IA@hovoldconsulting.com>
Date:   Fri, 21 May 2021 10:07:04 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Tung Pham <Tung.Pham@...abs.com>
Cc:     Pho Tran <photranvan0712@...il.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Hung Nguyen <Hung.Nguyen@...abs.com>,
        Pho Tran <Pho.Tran@...abs.com>
Subject: Re: [PATCH v12] USB: serial: cp210x: Add support for GPIOs on CP2108

On Thu, May 20, 2021 at 03:11:54PM +0000, Tung Pham wrote:

> On Tue, May 18, 2021 at 03:18:06AM +0000, Tung Pham wrote:

> > Do you agree and approve with this path?.
> 
> > I'm still waiting for you to confirm that you have tested the patch
> > with different pin configurations in eeprom.

> -> we have tested pass the GPIO of cp2108:
> Case1: all 16 GPIO are configured as GPIO function.
> Case2: all 16 GPIO are configured as alternative functions (not GPIO).
> Please see attached file for more detail.

Excellent, thanks for confirming. I'll try to review the latest revision
shortly.

Johan