[PATCH v3 1/5] phy: amlogic: enable/disable clkin during Amlogic USB PHY init/exit

Martin Blumenstingl martin.blumenstingl at googlemail.com
Mon May 1 05:49:42 PDT 2023


On Wed, Apr 26, 2023 at 12:29 PM Dmitry Rokosov
<ddrokosov at sberdevices.ru> wrote:
>
> Previously, all Amlogic boards used the XTAL clock as the default board
> clock for the USB PHY input, so there was no need to enable it.
> However, with the introduction of new Amlogic SoCs like the A1 family,
> the USB PHY now uses a gated clock. Hence, it is necessary to enable
> this gated clock during the PHY initialization sequence, or disable it
> during the PHY exit, as appropriate.
>
> Signed-off-by: Dmitry Rokosov <ddrokosov at sberdevices.ru>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>



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