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This adds an error message if getting vbus failed for some reason,
-EPROBE_DEFER is handled appropriately as well and adds a nice
information to debugfs.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20230816080256.611380-1-alexander.stein@ew.tq-group.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for drivers/phy/phy-can-transceiver.c
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20230714174841.4061919-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add USB PHY parameter tuning for USB certifications.
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
[j.zink: ported to v6.3-rc1 from NXP downstream repo + cleanups]
Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
Link: https://lore.kernel.org/r/20230516-lustige-usb-phy-dinge-v2-2-3383a0de34ac@pengutronix.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use devm_platform_ioremap_resource to simplify code
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/1604642930-29019-5-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The only usage of imx8mp_usb_phy_ops is to assign its address to the
data field in the of_device_id struct, which is a const void pointer.
Make it const to allow the compiler to put it in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200926205844.34218-1-rikard.falkeborn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The only usage is to pass its address to devm_phy_create() which takes a
const pointer. Make it const to allow the compiler to put it in
read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200823220025.17588-3-rikard.falkeborn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add initial support for imx8mp usb phy support, imx8mp usb has
a silimar phy as imx8mq, which has some different customizations
on clock and low power design when SoC integration.
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1598276014-2377-2-git-send-email-jun.li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This adds support to the PHY driver to power up/down the VBUS
voltage rail at the appropriate times.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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This is a cleaned up port of the downstream i.MX8MQ USB3 PHY driver.
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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