linux-kernel - Re: [PATCH 3/4] usb: typec: tcpci_maxim: configure charging & data paths

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Message-ID: <YEocMN1aSdDZ2dl/@kuha.fi.intel.com>
Date:   Thu, 11 Mar 2021 15:33:36 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Badhri Jagan Sridharan <badhri@...gle.com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kyle Tso <kyletso@...gle.com>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 3/4] usb: typec: tcpci_maxim: configure charging & data
 paths

Hi,

On Thu, Mar 11, 2021 at 02:03:12AM -0800, Badhri Jagan Sridharan wrote:
> This change allows the driver to configure input current/voltage
> limit for the charging path. The driver sets current_max and voltage_max
> values of the power supply identified through chg-psy-name.
> 
> The change also exposes the data_role and the orientation as a extcon
> interface for configuring the USB data controller.

This looks wrong to me. Why wouldn't you just register your device as
a separate psy that supplies your charger (which is also a psy, right)?

thanks,

-- 
heikki