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RK3652 has one USB2.0 PHY with two ports, the OTG port support OTG
and BC1.2, the SoC provide USB GRF and APB to access the registers.
This adds vbus detection function control and make the below tuning
to enhance the usb2-phy SQ for RK3562 SoC.
- enable pre-emphasis during non-chirp phase
- set HS eye height to 425mv
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: William Wu <william.wu@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250415050005.52773-2-kever.yang@rock-chips.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The usb2phy on rk3036 is very similar to rk3128 but not 100% identical.
While most registers and bits are the same, a small fraction did get moved
around.
So we can re-use the phy-tuning function, but need a new set a bits.
The biggest change might be that the phy on rk3036 does not support the
charger detection, that rk3128 (and newer phys) have.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250503201512.991277-3-heiko@sntech.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The use of (of|device)_property_read_bool() for non-boolean properties
is deprecated in favor of (of|device)_property_present() when testing
for property presence.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20241231163121.241543-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The RK3576 SoC has two independent USB2.0 PHYs, and each PHY has
one port. This adds device specific data for it.
Signed-off-by: William Wu <william.wu@rock-chips.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20241016073713.14133-4-frawang.cn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Since some Rockchip SoCs (e.g RK3576) have more than one clock,
this converts the clock management from single to bulk method to
make the driver more flexible.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20241016073713.14133-1-frawang.cn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Improve error handling in the probe path by using function dev_err_probe()
instead of function dev_err(), where appropriate.
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/d4ccd9fc278fb46ea868406bf77811ee507f0e4e.1725524803.git.dsimic@manjaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Return the actual error code upon failure to allocate extcon device, instead
of hardcoding -ENOMEM. Use dev_err_probe() to also log appropriate messages,
which is fine because the containing function is used in the probe path.
Helped-by: Heiko Stubner <heiko@sntech.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/cc4995aa3e569be6bc23ca126b41fba82d50eeee.1725524802.git.dsimic@manjaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Perform a few trivial code cleanups, e.g. to obey the reverse Christmas tree
rule, to avoid use of "{ ... }" code blocks where they aren't really needed,
or to avoid line wrapping by using the 100-column width better.
No intended functional changes are introduced by these code cleanups.
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/adce7309f6fd9e1191c53bab552a8531d1a71216.1725524802.git.dsimic@manjaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add registers to support the 2-port usb2 phy found in RK312x SoC familiy.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20231119121340.109025-3-knaerzche@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Commit 51a9b2c03dd3 ("phy: rockchip-inno-usb2: Handle ID IRQ") added ID
detection interrupt registers. However the current implementation assumes
that falling and rising edge interrupt are always enabled in registers
spanning over subsequent bits.
That is not the case for RK3128's version of the phy and this
implementation can't be used as-is, since there are bits with different
purpose in between.
This splits up the register definitions for id_det_en, id_det_en and
id_det_clr registers in rising and falling edge variants.
It's required as preparation to support RK3128's Innosilicon usb2 phy as
well in this driver and matches pretty much to what the vendor does, so I'm
not expecting issues for other SoCs with that change.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20231119121340.109025-2-knaerzche@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Neither of_address.h or of_platform.h are used in the driver, so drop them.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20231009172923.2457844-17-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Printing the OF node is not useful, since we get the same information
from the device context. Instead print the reg address, that could
not be found.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230522170324.61349-8-sebastian.reichel@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Simplify the code by directly getting the match data via
device_get_match_data() instead of open coding its functionality.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230522170324.61349-7-sebastian.reichel@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Simplify phyclk handling by using devm_clk_get_optional_enabled to
acquire and enable the optional clock. This also fixes a resource
leak in driver remove path and adds proper error handling.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230522170324.61349-6-sebastian.reichel@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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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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Add reset handling support, which is needed for proper
operation with RK3588.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230522170324.61349-4-sebastian.reichel@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add basic support for the USB2 PHY found in the Rockchip RK3588.
Co-developed-by: William Wu <william.wu@rock-chips.com>
Signed-off-by: William Wu <william.wu@rock-chips.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230522170324.61349-3-sebastian.reichel@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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rockchip_usb2phy_power_on()
The clk_disable_unprepare() should be called in the error handling of
rockchip_usb2phy_power_on().
Fixes: 0e08d2a727e6 ("phy: rockchip-inno-usb2: add a new driver for Rockchip usb2phy")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Link: https://lore.kernel.org/r/20221205115823.16957-1-shangxiaojing@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The otg sync state patch reuses the ret variable, but fails to set it to
zero after use. This leads to a situation when the otg port is in
peripheral mode where the otg phy aborts halfway through setup. It also
fails to account for a failure to register the extcon notifier. Fix this
by using our own variable and skipping otg sync in case of failure.
Fixes: 8dc60f8da22f ("phy: rockchip-inno-usb2: Sync initial otg state")
Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Reported-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220902184543.1234835-1-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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When the OTG port is fixed to host mode, the driver does not request its
IRQs, nor does it enable those IRQs in hardware. Similarly, the driver
should ignore the OTG port IRQs when handling the shared interrupt.
Otherwise, it would update the extcon based on an ID pin which may be in
an undefined state, or try to queue a uninitialized work item.
Fixes: 6a98df08ccd5 ("phy: rockchip-inno-usb2: Fix muxed interrupt support")
Reported-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20220708061434.38115-1-samuel@sholland.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The initial otg state for the phy defaults to device mode. The actual
state isn't detected until an ID IRQ fires. Fix this by syncing the ID
state during initialization.
Fixes: 51a9b2c03dd3 ("phy: rockchip-inno-usb2: Handle ID IRQ")
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220622003140.30365-1-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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If a phy supply is designated but isn't available at probe time, an
EPROBE_DEFER is returned. Use dev_err_probe to prevent this from
incorrectly printing during boot.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220625212711.558495-1-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Eliminate the follow smatch warning:
drivers/phy/rockchip/phy-rockchip-inno-usb2.c:1203
rockchip_usb2phy_probe() warn: inconsistent indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220421203038.4550-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This supports detecting host mode for the OTG port without an extcon.
The rv1108 properties are not updated due to lack of documentation.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220414032258.40984-7-samuel@sholland.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Some SoCs have a bvalid falling interrupt, in addition to bvalid rising.
This interrupt can detect OTG cable plugout immediately, so it can avoid
the delay until the next scheduled work.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220414032258.40984-6-samuel@sholland.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The "bvalid" and "id" interrupts can trigger on either the rising edge
or the falling edge, so each interrupt has two enable bits and two
status bits. This change allows using a single property for both bits,
checking whether either bit is set.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220414032258.40984-5-samuel@sholland.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Clearing the IRQ is atomic, so there is no need to hold the mutex.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220414032258.40984-4-samuel@sholland.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The bvalid interrupt handler already checks bvalid status. The muxed IRQ
handler just needs to call the other handler (plus any other handlers
that will be added).
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220414032258.40984-3-samuel@sholland.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This commit fixes two issues with the muxed interrupt handler. First,
the OTG port has the "bvalid" interrupt enabled, not "linestate". Since
only the linestate interrupt was handled, and not the bvalid interrupt,
plugging in a cable to the OTG port caused an interrupt storm.
Second, the return values from the individual port IRQ handlers need to
be OR-ed together. Otherwise, the lack of an interrupt from the last
port would cause the handler to erroneously return IRQ_NONE.
Fixes: ed2b5a8e6b98 ("phy: phy-rockchip-inno-usb2: support muxed interrupts")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220414032258.40984-2-samuel@sholland.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The rk3568 usb2phy is a standalone device with a single muxed interrupt.
Add support for the registers to the usb2phy driver.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-7-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The rk3568 usb2phy has a single muxed interrupt that handles all
interrupts.
Allow the driver to plug in only a single interrupt as necessary.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-6-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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New Rockchip devices have the usb2 phy devices as standalone nodes
instead of children of the grf node.
Allow the driver to find the grf node from a phandle.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-5-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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New Rockchip devices have the usb phy nodes as standalone devices.
These nodes have register nodes with #address_cells = 2, but only use 32
bit addresses.
Adjust the driver to check if the returned address is "0", and adjust
the index in that case.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-4-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Variable delay is being assigned to zero and the code falls through to
the next case in a switch statement that returns out of the function.
The variable is never read in this scenario and so the assignment is
redundant and can be removed.
Cleans up scan-build static analysis warning:
drivers/phy/rockchip/phy-rockchip-inno-usb2.c:753:3: warning: Value
stored to 'delay' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20211211180054.525368-1-colin.i.king@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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devm_add_action_or_reset()
The helper function devm_add_action_or_reset() will internally
call devm_add_action(), and gif devm_add_action() fails then it will
execute the action mentioned and return the error code. So
use devm_add_action_or_reset() instead of devm_add_action()
to simplify the error handling, reduce the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210922130024.745-1-caihuoqing@baidu.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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For_each_available_child_of_node should have of_node_put()
before break around line 1184. The other jumps out of the
loop do contain the put.
Generated by: scripts/coccinelle/iterators/for_each_child.cocci
CC: Sumera Priyadarsini <sylphrenadin@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2106231617540.99238@hadrien
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The RK3308 SoC uses a slightly different USB phy than other Rockchip
parts.
This commit adds support for that phy.
Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Link: https://lore.kernel.org/r/20210514150044.2099298-3-t.schramm@manjaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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phy-rockchip-inno-usb2 logs the message
"phy-ff2c0000.syscon:usb2-phy@100.2: charger = INVALID_CHARGER"
constantly with a frequency of about 1 Hz and a verbosity level
of INFO. As this is clearly annoying, this patch decreases
the log level to DEBUG.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The px30 soc from Rockchip shares the same register description as
the rk3328, so can re-use its definitions.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Based on 3 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [kishon] [vijay] [abraham]
[i] [kishon]@[ti] [com] this program is distributed in the hope that
it will be useful but without any warranty without even the implied
warranty of merchantability or fitness for a particular purpose see
the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [graeme] [gregory]
[gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
[kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
[hk] [hemahk]@[ti] [com] this program is distributed in the hope
that it will be useful but without any warranty without even the
implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1105 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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That property is no used in mainline and is not documented. The only
board using that property is the rk33-99-evb-rev1 and -rev2 in the
vendor kernel. The existence of a further -rev3 (which also looks way
better cared for compared rev1+2) indicates that the older ones are
probably some sort of preproduction models, where some wiring (on the soc
or board) may have gone wrong.
It is also not clear why this is a hardware-description or a DT
property, so, as noboby seems to care of this just drop reading that
property.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Fix the typo flase -> false and clean up the kernel-doc documentation in
phy-rockchip-inno.usb2.c and fix the following warnings when documentation
is built.
:58: warning: missing initial short description
:69: warning: cannot understand function prototype: 'enum usb_chg_state '
:97: warning: missing initial short description
:136: warning: cannot understand function prototype: 'struct rockchip_usb2phy_port_cfg '
:157: warning: cannot understand function prototype: 'struct rockchip_usb2phy_cfg '
:163: warning: Function parameter or member 'port_cfgs' not described in 'rockchip_usb2phy_cfg'
:187: warning: cannot understand function prototype: 'struct rockchip_usb2phy_port '
:204: warning: Function parameter or member 'port_cfg' not described in 'rockchip_usb2phy_port'
:207: warning: missing initial short description
:234: warning: Function parameter or member 'dev' not described in 'rockchip_usb2phy'
:234: warning: Function parameter or member 'clk480m_hw' not described in 'rockchip_usb2phy'
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.
For instances using of_node_cmp, this has the side effect of now using
case sensitive comparisons. This should not matter for any FDT based
system which all of these are.
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The extcon has two type of extcon devices as following.
- 'extcon provider deivce' adds new extcon device and detect the
state/properties of external connector. Also, it notifies the
state/properties to the extcon consumer device.
- 'extcon consumer device' gets the change state/properties
from extcon provider device.
Prior to that, include/linux/extcon.h contains all exported API for
both provider and consumer device driver. To clarify the meaning of
header file and to remove the wrong use-case on consumer device,
this patch separates into extcon.h and extcon-provider.h.
[Description for include/linux/{extcon.h|extcon-provider.h}]
- extcon.h includes the extcon API and data structure for extcon consumer
device driver. This header file contains the following APIs:
: Register/unregister the notifier to catch the change of extcon device
: Get the extcon device instance
: Get the extcon device name
: Get the state of each external connector
: Get the property value of each external connector
: Get the property capability of each external connector
- extcon-provider.h includes the extcon API and data structure for extcon
provider device driver. This header file contains the following APIs:
: Include 'include/linux/extcon.h'
: Allocate the memory for extcon device instance
: Register/unregister extcon device
: Set the state of each external connector
: Set the property value of each external connector
: Set the property capability of each external connector
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big char/misc driver update for 4.14-rc1.
Lots of different stuff in here, it's been an active development cycle
for some reason. Highlights are:
- updated binder driver, this brings binder up to date with what
shipped in the Android O release, plus some more changes that
happened since then that are in the Android development trees.
- coresight updates and fixes
- mux driver file renames to be a bit "nicer"
- intel_th driver updates
- normal set of hyper-v updates and changes
- small fpga subsystem and driver updates
- lots of const code changes all over the driver trees
- extcon driver updates
- fmc driver subsystem upadates
- w1 subsystem minor reworks and new features and drivers added
- spmi driver updates
Plus a smattering of other minor driver updates and fixes.
All of these have been in linux-next with no reported issues for a
while"
* tag 'char-misc-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (244 commits)
ANDROID: binder: don't queue async transactions to thread.
ANDROID: binder: don't enqueue death notifications to thread todo.
ANDROID: binder: Don't BUG_ON(!spin_is_locked()).
ANDROID: binder: Add BINDER_GET_NODE_DEBUG_INFO ioctl
ANDROID: binder: push new transactions to waiting threads.
ANDROID: binder: remove proc waitqueue
android: binder: Add page usage in binder stats
android: binder: fixup crash introduced by moving buffer hdr
drivers: w1: add hwmon temp support for w1_therm
drivers: w1: refactor w1_slave_show to make the temp reading functionality separate
drivers: w1: add hwmon support structures
eeprom: idt_89hpesx: Support both ACPI and OF probing
mcb: Fix an error handling path in 'chameleon_parse_cells()'
MCB: add support for SC31 to mcb-lpc
mux: make device_type const
char: virtio: constify attribute_group structures.
Documentation/ABI: document the nvmem sysfs files
lkdtm: fix spelling mistake: "incremeted" -> "incremented"
perf: cs-etm: Fix ETMv4 CONFIGR entry in perf.data file
nvmem: include linux/err.h from header
...
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This adds support usb2-phy for rv1108 SoCs and amend phy Documentation.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The otg-id/otg-bvalid/linestate interrupts are multiplexed together
in otg-port on some Rockchip SoC (e.g RV1108), this patch add support
for it.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The registers of usb-phy are distributed in grf and usbgrf on some
Rockchip SoCs (e.g RV1108), this patch add a new rockchip,usbgrf
property to support this companion grf design.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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