linux-kernel - Re: [PATCH v4 07/13] phy: usb: Add support for new Synopsys USB controller on the 7216

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Message-ID: <3b013df8-8771-f021-5499-07faea632091@gmail.com>
Date:   Fri, 3 Jan 2020 10:26:14 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Al Cooper <alcooperx@...il.com>, linux-kernel@...r.kernel.org
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Srinath Mannam <srinath.mannam@...adcom.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 07/13] phy: usb: Add support for new Synopsys USB
 controller on the 7216

On 1/3/20 10:18 AM, Al Cooper wrote:
> The 7216 has the new USB XHCI controller from Synopsys. While
> this new controller and the PHY are similar to the STB versions,
> the major differences are:
> 
> - Many of the registers and fields in the CTRL block have been
>   removed or changed.
> - A new set of Synopsys control registers, BCHP_USB_XHCI_GBL, were
>   added.
> - MDIO functionality has been replaced with direct access registers
>   in the BCHP_USB_XHCI_GBL block.
> - Power up PHY defaults that had to be changed by MDIO in previous
>   chips will now power up with the correct defaults.
> 
> A new init module was created for this new Synopsys USB controller.
> A new compatible string was added and the driver will dispatch
> into one of two init modules based on it. A "reg-names" field was
> added so the driver can more easily get optional registers.
> A DT bindings document was also added for this driver.
> 
> Signed-off-by: Al Cooper <alcooperx@...il.com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian