phy: phy-rockchip-inno-usb2: add rk3588 phy tuning support

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On RK3588 some registers need to be tweaked to support waking up from
suspend when a USB device is plugged into a port from a suspended PHY.
Without this change USB devices only work when they are plugged at
boot time.

Apart from that it optimizes settings to avoid devices toggling
between fullspeed and highspeed mode.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230522170324.61349-5-sebastian.reichel@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Sebastian Reichel 2023-05-22 19:03:21 +02:00 • committed by Vinod Koul

parent 76d58ee8b8

commit 5ae6224bb1

1 changed files with 63 additions and 0 deletions

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drivers/phy/rockchip/phy-rockchip-inno-usb2.c

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