linux-kernel - Re: [PATCH 7/7] usb: mtu3: add optional clock xhci_ck and frmcnt

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Message-ID: <8e7584d6-92a1-e948-302e-489af8cf6394@collabora.com>
Date:   Mon, 3 Apr 2023 14:34:14 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Eddie Hung <eddie.hung@...iatek.com>,
        Tianping Fang <tianping.fang@...iatek.com>
Subject: Re: [PATCH 7/7] usb: mtu3: add optional clock xhci_ck and frmcnt_ck

Il 03/04/23 04:52, Chunfeng Yun ha scritto:
> Add optional clock 'xhci_ck' which is usually the same as sys_ck, but
> some SoC use two separated clocks when the controller supports dual
> role mode;
> Add optional clock 'frmcnt_ck' used on 4nm or advanced process SoC.

This needs more details, because from what it seems, `xhci_ck` could be
a children of `sys_ck`, in which case there would be no need to add that
to this driver, as it'd be handled by the clock API instead.

What SoC is this for?

Regards,
Angelo