| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull networking updates from David Miller:
1) Add Maglev hashing scheduler to IPVS, from Inju Song.
2) Lots of new TC subsystem tests from Roman Mashak.
3) Add TCP zero copy receive and fix delayed acks and autotuning with
SO_RCVLOWAT, from Eric Dumazet.
4) Add XDP_REDIRECT support to mlx5 driver, from Jesper Dangaard
Brouer.
5) Add ttl inherit support to vxlan, from Hangbin Liu.
6) Properly separate ipv6 routes into their logically independant
components. fib6_info for the routing table, and fib6_nh for sets of
nexthops, which thus can be shared. From David Ahern.
7) Add bpf_xdp_adjust_tail helper, which can be used to generate ICMP
messages from XDP programs. From Nikita V. Shirokov.
8) Lots of long overdue cleanups to the r8169 driver, from Heiner
Kallweit.
9) Add BTF ("BPF Type Format"), from Martin KaFai Lau.
10) Add traffic condition monitoring to iwlwifi, from Luca Coelho.
11) Plumb extack down into fib_rules, from Roopa Prabhu.
12) Add Flower classifier offload support to igb, from Vinicius Costa
Gomes.
13) Add UDP GSO support, from Willem de Bruijn.
14) Add documentation for eBPF helpers, from Quentin Monnet.
15) Add TLS tx offload to mlx5, from Ilya Lesokhin.
16) Allow applications to be given the number of bytes available to read
on a socket via a control message returned from recvmsg(), from
Soheil Hassas Yeganeh.
17) Add x86_32 eBPF JIT compiler, from Wang YanQing.
18) Add AF_XDP sockets, with zerocopy support infrastructure as well.
From Björn Töpel.
19) Remove indirect load support from all of the BPF JITs and handle
these operations in the verifier by translating them into native BPF
instead. From Daniel Borkmann.
20) Add GRO support to ipv6 gre tunnels, from Eran Ben Elisha.
21) Allow XDP programs to do lookups in the main kernel routing tables
for forwarding. From David Ahern.
22) Allow drivers to store hardware state into an ELF section of kernel
dump vmcore files, and use it in cxgb4. From Rahul Lakkireddy.
23) Various RACK and loss detection improvements in TCP, from Yuchung
Cheng.
24) Add TCP SACK compression, from Eric Dumazet.
25) Add User Mode Helper support and basic bpfilter infrastructure, from
Alexei Starovoitov.
26) Support ports and protocol values in RTM_GETROUTE, from Roopa
Prabhu.
27) Support bulking in ->ndo_xdp_xmit() API, from Jesper Dangaard
Brouer.
28) Add lots of forwarding selftests, from Petr Machata.
29) Add generic network device failover driver, from Sridhar Samudrala.
* ra.kernel.org:/pub/scm/linux/kernel/git/davem/net-next: (1959 commits)
strparser: Add __strp_unpause and use it in ktls.
rxrpc: Fix terminal retransmission connection ID to include the channel
net: hns3: Optimize PF CMDQ interrupt switching process
net: hns3: Fix for VF mailbox receiving unknown message
net: hns3: Fix for VF mailbox cannot receiving PF response
bnx2x: use the right constant
Revert "net: sched: cls: Fix offloading when ingress dev is vxlan"
net: dsa: b53: Fix for brcm tag issue in Cygnus SoC
enic: fix UDP rss bits
netdev-FAQ: clarify DaveM's position for stable backports
rtnetlink: validate attributes in do_setlink()
mlxsw: Add extack messages for port_{un, }split failures
netdevsim: Add extack error message for devlink reload
devlink: Add extack to reload and port_{un, }split operations
net: metrics: add proper netlink validation
ipmr: fix error path when ipmr_new_table fails
ip6mr: only set ip6mr_table from setsockopt when ip6mr_new_table succeeds
net: hns3: remove unused hclgevf_cfg_func_mta_filter
netfilter: provide udp*_lib_lookup for nf_tproxy
qed*: Utilize FW 8.37.2.0
...
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This patch allow the CP110 comphy to configure some lanes in the
2.5G SGMII mode. This mode is quite close to SGMII and uses nearly the
same code path.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support XS-PHY for MediaTek SoCs with USB3.1 GEN2 controller
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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There are two QUSB2 PHYs present on sdm845. In order
to improve eye diagram for both the PHYs some parameters
need to be changed. Provide device tree properties to
override these from board specific device tree files.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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QMP V3 UNI PHY is a single lane USB3 PHY without support
for DisplayPort (DP).
Main difference from DP combo QMPv3 PHY is that UNI PHY
doesn't have dual RX/TX lanes and no separate DP_COM
block for configuration related to type-c or DP.
Also remove "qcom,qmp-v3-usb3-phy" compatible string which
was earlier added for sdm845 only as there wouldn't be
any user of same.
While at it, fix has_pwrdn_delay attribute for USB-DP
PHY configuration and.
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Driver currently crashes due to NULL pointer deference
while updating PHY tune register if nvmem cell is NULL.
Since, fused value for Tune1/2 register is optional,
we'd rather bail out.
Fixes: ca04d9d3e1b1 ("phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom chips")
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Cc: stable <stable@vger.kernel.org> # 4.14+
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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QMP PHY for USB/PCIE requires pipe_clk for locking of
retime buffers at the pipe interface. Driver checks for
PHY_STATUS without enabling pipe_clk due to which
phy_init() fails with initialization timeout.
Though pipe_clk is output from PHY (after PLL is programmed
during initialization sequence) to GCC clock_ctl and then fed
back to PHY but for PHY_STATUS register to reflect successful
initialization pipe_clk from GCC must be present.
Since, clock driver now ignores status_check for pipe_clk on
clk_enable/disable, driver can safely enable/disable pipe_clk
from phy_init/exit.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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This patch fixes the following issues:
* warning reported by checkpatch:
WARNING: line over 80 characters
#87: FILE: drivers/phy/st/phy-stm32-usbphyc.c:87:
+static void stm32_usbphyc_get_pll_params(u32 clk_rate, struct pll_params *pll_params)
* bug reported by static checker (Dan Carpenter):
drivers/phy/st/phy-stm32-usbphyc.c:371 stm32_usbphyc_probe()
error: uninitialized symbol 'i'.
* unused stm32_usbphyc structure member: bool pll_enabled.
* unnecessary extra line in stm32_usbphyc_of_xlate
Fixes: 94c358da3a05 "phy: stm32: add support for STM32 USB PHY Controller (USBPHYC)"
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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We can suspend the mdm6600 over USB via sysfs and then mdm6600 enters
a low-power idle mode. In the low-power mode, mdm6600 radio and n_gsm
uart are functional but we need to use USB mode0 GPIO pin to send a
wake-up pulse to the modem to talk with it over n_gsm.
As the GPIO mode0 line is dual purposed and and also needed by the
USB PHY driver to boot mdm6600 into the correct USB mode, let's also
manage the wake-up GPIO in the USB PHY driver. For the USB PHY idle,
there does not anything specific we need to do for runtime PM after
getting the PHY configured. The PHY framework already idles the USB
PHY when not in use separately from the mdm6600 state.
It seems that it takes about 100 - 200ms for mdm6600 to wake up from
the low-power idle mode. And then mdm6600 stays awake about 1.2s until
it needs to be kicked again. The mdm6600 status GPIO pins don't seem
to change state when mdm6600 changes between normal and idle mode.
Let's manage the mdm6600 mode with runtime PM. If phy-mapphone-mdm6600
sysfs entry for power/control is set to "on", we keep mdm6600 out of
idle by kicking the GPIO line. If the entry is set to "auto" we let
mdm6600 enter low-power state.
Cc: Marcel Partap <mpartap@gmx.net>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Michael Scott <hashcode0f@gmail.com>
Cc: NeKit <nekit1000@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The new helper returns index of the matching string in an array.
We are going to use it here.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The ATH79 USB phy is very simple, it only have a reset. On some SoC a
second reset is used to force the phy in suspend mode regardless of the
USB controller status.
This driver is added to the qualcom directory as atheros is now part
of qualcom and newer SoC of this familly are marketed under the
qualcom name.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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phy_init() and phy_exit() calls, and phy_power_on() and
phy_power_off() already accept NULL as valid PHY reference
and act as NOP. Extend same concept to phy runtime_pm APIs
to keep drivers (e.g. dwc3) code simple while dealing with
optional PHYs.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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There is no functional change, just replacing regmap_read()/modify/
regmap_write() with regmap_update_bits() function calls.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"This release brings up a new platform based on the old ARM9 core: the
Nuvoton NPCM is used as a baseboard management controller, competing
with the better known ASpeed AST2xx series.
Another important change is the addition of ARMv7-A based chips in
mach-stm32. The older parts in this platform are ARMv7-M based
microcontrollers, now they are expanding to general-purpose workloads.
The other changes are the usual defconfig updates to enable additional
drivers, lesser bugfixes. The largest updates as often are the ongoing
OMAP cleanups, but we also have a number of changes for the older PXA
and davinci platforms this time.
For the Renesas shmobile/r-car platform, some new infrastructure is
needed to make the watchdog work correctly.
Supporting Multiprocessing on Allwinner A80 required a significant
amount of new code, but is not doing anything unexpected"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (179 commits)
arm: npcm: modify configuration for the NPCM7xx BMC.
MAINTAINERS: update entry for ARM/berlin
ARM: omap2: fix am43xx build without L2X0
ARM: davinci: da8xx: simplify CFGCHIP regmap_config
ARM: davinci: da8xx: fix oops in USB PHY driver due to stack allocated platform_data
ARM: multi_v7_defconfig: add NXP FlexCAN IP support
ARM: multi_v7_defconfig: enable thermal driver for i.MX devices
ARM: multi_v7_defconfig: add RN5T618 PMIC family support
ARM: multi_v7_defconfig: add NXP graphics drivers
ARM: multi_v7_defconfig: add GPMI NAND controller support
ARM: multi_v7_defconfig: add OCOTP driver for NXP SoCs
ARM: multi_v7_defconfig: configure I2C driver built-in
arm64: defconfig: add CONFIG_UNIPHIER_THERMAL and CONFIG_SNI_AVE
ARM: imx: fix imx6sll-only build
ARM: imx: select ARM_CPU_SUSPEND for CPU_IDLE as well
ARM: mxs_defconfig: Re-sync defconfig
ARM: imx_v4_v5_defconfig: Use the generic fsl-asoc-card driver
ARM: imx_v4_v5_defconfig: Re-sync defconfig
arm64: defconfig: enable stmmac ethernet to defconfig
ARM: EXYNOS: Simplify code in coupled CPU idle hot path
...
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This converts from using a platform device for the CFGCHIP syscon
regmap to using platform data to pass the regmap to consumers.
A lazy getter function is used so that the regmap will only be
created if it is actually used. This function will also be used
in the clock init when we convert to the common clock framework.
The USB PHY driver is currently the only consumer. This driver is
updated to use platform data to get the CFGCHIP regmap instead of
syscon_regmap_lookup_by_pdevname().
Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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This renames the clock con_ids in the DA8XX USB PHY driver as well as
the matching names in the mach clock registration code.
This is in preparation for using device tree clocks where these names
will become part of the device tree bindings. The new names more closely
match the names used in the USB clock diagram in the SoC TRM.
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 4.17
*) Add USB PHY driver for MDM6600 on Droid
*) Add USB PHY driver for STM32 USB PHY Controller
*) Add inno-usb2-phy driver for hi3798cv200 SoC
*) Add combo phy driver (SATA/USB/PCIE) for HiSilicon STB SoCs
*) Add USB3 PHY driver for Meson GXL and GXM
*) Add support for R8A77965 Gen3 USB 2.0 PHY in phy-rcar-gen3-usb2 driver
*) Add support for qualcomm QUSB2 V2 and QMP V3 USB3 PHY in phy-qcom-qusb2
and phy-qcom-qmp PHY driver respectively
*) Add support for runtime PM in phy-qcom-qusb2 and phy-qcom-qmp PHY drivers
*) Add support for Allwinner R40 USB PHY in sun4i-usb PHY driver
*) Add support in rockchip-typec PHY driver to make extcon optional and
fallback to working in host mode if extcon is missing
*) Add support in rockchip-typec PHY driver to mux PHYs connected to DP
*) Add support to configure slew rate parameters in phy-mtk-tphy PHY driver
*) Add workaround for missing Vbus det interrupts on Allwinner A23/A33
*) Add USB speed related PHY modes in phy core
*) Fix PHY 'structure' documentation
*) Force rockchip-typec PHY to USB2 if DP-only mode is used
*) Fix phy-qcom-qusb2 and phy-qcom-qmp PHY drivers to follow PHY reset and
initialization sequence as per hardware programming manual
*) Fix Marvell BG2CD SoC USB failure in phy-berlin-usb driver
*) Minor fixes in lpc18xx-usb-otg, xusb-tegra210 and phy-rockchip-emmc PHY
drivers
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The reason why this was originally commented out is no longer clear. The
UPHY driver for SATA works fine with or without this change. The reset
value of the XDIGCLK_EN bit is 0, so unless programmed by the bootloader
this shouldn't make a difference anyway.
Define a macro for this bit and uncomment the code. This also fixes a
coverity issue brought to my attention by Rohith because not only is the
XDIGCLK_EN field modification commented out, but also the register write
which causes none of the earlier modifications of the register value to
be written to the register and the value being overwritten.
Reported-by: Rohith Seelaboyina <rseelaboyina@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Right now the rockchip type-c phy does fail probing when no extcon is
detected. Some boards get the cable-state via the extcon interface and
have this supported, other boards seem to use the fusb302 chip or
another but the driver currently does not seem to utilize the extcon
interface to report the cable-state. And, other, just connect the type-c
to a standard USB-A port so use no controller at all. A missing extcon
shouldn't fail to probe, instead, should just fall back to working in
host-mode if it cannot get the extcon.
Fixes: c301b327aea898af ("arm64: dts: rockchip: add usb3-phy otg-port support for rk3399")
Reported-by: Vicente Bergas <vicencb@gmail.com>
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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There are 2 Type-c PHYs in RK3399, but only one DP controller. Hence
only one PHY can connect to DP controller at one time, the other should
be disconnected. The GRF_SOC_CON26 register has a switch bit to do it,
set this bit means enable PHY 1, clear this bit means enable PHY 0.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
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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The usb3tousb2_en BIT will be clear to 0 in probe(), it make USB
controller work at USB3 mode, and if the USB phy is turned on with DP
only mode(4 lanes DP), the rockchip_usb3_phy_power_on() will return
directly, so usb3_host_disable and usb3_host_port these 2 BIT will keep
a same value as coreboot. In coreboot, these 3 BITs are set as USB2
mode, but now one of the bits is changed to USB3, it make USB controller
work at a unknown status.
These 3 BITs should be changed to USB2, if the Type-C works at 4 lanes
mode, and then switch it back to USB3 mode, when USB disconnect.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
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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We have forced usb3 to work in usb2 only mode in firmware by setting
usb3tousb2_en (bit3 of GRF_USB3PHY0/1_CON0) to 1, and setting
host_u3_port_disable (bit0 of GRF_USB3OTG0/1_CON1) to 1 and host_u3_port
(bit15~12 of GRF_USB3OTG0/1_CON1) to 0. So we need to re-enable usb3
host.
Note that the RK3399 TRM suggests that we should keep the whole usb3
controller in reset for the duration of the Type-C PHY initialization.
However, it's hard to assert the reset in the current framework of
reset. And according to the TRM, it doesn't require that we should
clear the usb3tousb2 bit before pipe ready. So let's enable the usb3
host after pipe ready to avoid the Type-C PHY initialization failure.
Signed-off-by: William wu <wulf@rock-chips.com>
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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Adding properties for various register fields in the DT doesn't scale and
this information should be in the driver instead.
Before this patch these registers (description below) were specified in
the DT, every register node contained 3 sections: offset, enable bit,
write mask bit.
- rockchip,typec-conn-dir : the register of type-c connector direction,
for type-c phy0, it must be <0xe580 0 16>;
for type-c phy1, it must be <0xe58c 0 16>;
- rockchip,usb3tousb2-en : the register of type-c force usb3 to usb2
enable control.
for type-c phy0, it must be <0xe580 3 19>;
for type-c phy1, it must be <0xe58c 3 19>;
- rockchip,external-psm : the register of type-c phy external psm clock
selection.
for type-c phy0, it must be <0xe588 14 30>;
for type-c phy1, it must be <0xe594 14 30>;
- rockchip,pipe-status : the register of type-c phy pipe status.
for type-c phy0, it must be <0xe5c0 0 0>;
for type-c phy1, it must be <0xe5c0 16 16>;
After this patch these register definitions are in the driver. So can be
removed from the DT. Note that there are 2 type-c phys for RK3399 with
different offsets, the driver checks the phy base address of the running
instance and applies the right offsets.
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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Let's add support for the GPIO controlled USB PHY on the MDM6600 modem.
It is used on some Motorola Mapphone series of phones and tablets such
as Droid 4.
The MDM6600 is hardwired to the first OHCI port in the Droid 4 case, and
is controlled by several GPIOs. The USB PHY is integrated into the MDM6600
device it seems. We know this as we get L3 errors from omap-usb-host if
trying to use the PHY before MDM6600 is configured.
The GPIOs controlling MDM6600 are used to power device on and off, to
configure the USB start-up mode (normal mode versus USB flashing), and
they also tell the state of the MDM6600 device.
The two start-up mode GPIOs are dual-purposed and used for out of band
(OOB) wake-up for USB and TS 27.010 serial mux. But we need to configure
the USB start-up mode first to get MDM6600 booted in the right mode to
be usable in the first place.
Note that the Motorola Mapphone Linux kernel tree has a "radio-ctrl"
driver for modems. But it really does not control the radio at all, it
just controls the modem power and start-up mode for USB. So I came to
the conclusion that we're better off having this done in the USB PHY
driver. For adding support for USB flashing mode, we can later on add
a kernel module option for flash_mode=1 or something similar.
Also note that currently there is no PM runtime support for the OHCI
on omap variant SoCs. So for low(er) power idle states, currenty both
ohci-platform and phy-mapphone-mdm6600 must be unloaded or unbound.
For reference here is what I measured for total power consumption on
an idle Droid 4 with and without USB related MDM6600 modules:
idle lcd off phy-mapphone-mdm6600 ohci-platform
153mW 284mW 344mW
So it seems that MDM6600 is currently not yet idling even with it's
radio turned off, but that's something that is beyond the control of
this USB PHY driver. This patch does get us to the point where modem
data and GPS are usable with libqmi and ModemManager for example.
Voice calls need more audio driver work.
Cc: devicetree@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marcel Partap <mpartap@gmx.net>
Cc: Michael Scott <michael.scott@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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It adds inno-usb2-phy driver for hi3798cv200 SoC USB 2.0 support. One
inno-usb2-phy device can support up to two PHY ports. While there is
device level reference clock and power reset to be controlled, each PHY
port has its own utmi reset that needs to assert/de-assert as needed.
Hi3798cv200 needs to access PHY port0 register via particular peripheral
syscon controller register to control PHY, like turning on PHY clock.
Signed-off-by: Pengcheng Li <lpc.li@hisilicon.com>
Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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This patch adds support for r8a77965 (R-Car M3-N). This SoC has
dedicated pins.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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This patch adds phy transceiver driver for STM32 USB PHY Controller
(USBPHYC) that provides dual port High-Speed phy for OTG (single port)
and EHCI/OHCI host controller (two ports).
One port of the phy is shared between the two USB controllers through
a UTMI+ switch.
[fengguang.wu@intel.com: Make stm32_usbphyc_get_pll_params() to be static]
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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These configs select MFD_SYSCON, but do not depend on HAS_IOMEM.
Compile testing on architecture without HAS_IOMEM causes "unmet
direct dependencies" in Kconfig phase.
Detected by "make ARCH=score allyesconfig".
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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This adds a new driver for the USB3 PHY found on Meson GXL and GXM SoCs
(both SoCs are using the same USB PHY register layout).
Unfortunately there is no documentation for this PHY in the public S905X
datasheet (published for example by Khadas). What we know so far about
this PHY:
- even though the Meson GXL and GXM SoCs do not expose an USB3 port (the
dwc3 controller only has USB2 ports enabled) we need to initialize the
USB3 PHY (specifically USB_R1_U3H_FLADJ_30MHZ_REG_MASK). Without this
initialization high-speed USB devices (especially USB hard disks and
thumb drives, slower devices like mice do not seem to be affected)
- on some boards the USB3 PHY starts in "device mode" - we want to bring
it into a known state (by switching it to host mode for now).
- it is responsible for the OTG detection and for switching the first
USB2 PHY between host and peripheral (aka device) mode. an interrupt
can be used to detect changes between host and device mode.
There are five inputs to this register area:
- the clock and reset line for the USB3 PHY itself
- the clock and reset line for the peripheral mode and OTG detection
logic (on the GXL and GXM SoCs these are the same clock and reset line
as for the USB3 PHY itself, but Amlogic sees this as two different
components - even though they share the same register space - so they
have to be passed individually to allow specifying different inputs on
other SoCs if needed)
- the interrupt for the OTG detection logic
The whole OTG detection logic is not implemented yet.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Yixun Lan <yixun.lan@amlogic.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Make the value written into the USB_PHY_RX_CTRL configuration register
match 0xAA79 value written by manufacturer-supplied kernels for Sony
NSZ-GS7 (Berlin2 SoC), Google Chromecast and Valve Steam Link (BG2CD).
This fixes timeouts communicating to the internal hub on Steam Link.
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Alexander Monakov <amonakov@ispras.ru>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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There are two parameters, ref_clk and coefficient, for U2 slew rate
calibrate which may vary on different SoCs, here allow them to be
configurable
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The default value of mcu_bus_ck_gate_en is 1, if clear it, will
prevent system to enter deep idle mode, so keep its default value
and without affecting PCIe function.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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If regmap_update_bits() fails in lpc18xx_usb_otg_phy_power_on(),
lpc->clk is left enabled.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The AXP223 PMIC, like the AXP221, does not generate VBUS change
interrupts when N_VBUSEN is used to drive VBUS for the OTG port
on the board.
This was not noticed until recently, as most A23/A33 boards use
a GPIO pin that does not support interrupts for OTG ID detection.
This forces the driver to use polling. However the A33-OlinuXino
uses a pin that does support interrupts, so the driver uses them.
However the VBUS interrupt never fires, and the driver never gets
to update the VBUS status. This results in musb timing out waiting
for VBUS to rise.
This was worked around for the AXP221 by resorting to polling
changes in commit 91d96f06a760 ("phy-sun4i-usb: Add workaround for
missing Vbus det interrupts on A31"). This patch adds the A23 and
A33 to the list of SoCs that need the workaround.
Fixes: fc1f45ed3043 ("phy-sun4i-usb: Add support for the usb-phys on the
sun8i-a33 SoC")
Fixes: 123dfdbcfaf5 ("phy-sun4i-usb: Add support for the usb-phys on the
sun8i-a23 SoC")
Cc: <stable@vger.kernel.org> # 4.3.x: 68dbc2ce77bb phy-sun4i-usb:
Use of_match_node to get model specific config data
Cc: <stable@vger.kernel.org> # 4.3.x: 5cf700ac9d50 phy: phy-sun4i-usb:
Fix optional gpios failing probe
Cc: <stable@vger.kernel.org> # 4.3.x: 04e59a0211ff phy-sun4i-usb:
Fix irq free conditions to match request conditions
Cc: <stable@vger.kernel.org> # 4.3.x: 91d96f06a760 phy-sun4i-usb:
Add workaround for missing Vbus det interrupts on A31
Cc: <stable@vger.kernel.org> # 4.3.x
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The U2P_R2 register provides "test mode" functionality for bits 17:0.
These are only used during SoC development and should be left untouched
on production SoC versions.
Rename these register definitions to indicate that these are for "test
mode" only.
While here, also merge the definitions for U2P_R2_DATA_IN_MASK and
U2P_R2_DATA_IN_EN_MASK (bits 0:7) because Amlogic's internal
documentation suggests that these bits belong together. The old
definition was not taken from the documentation but rather from a struct
definition in the Amlogic GPL kernel sources.
No functional changes.
Suggested-by: Yixun Lan <yixun.lan@amlogic.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The USB2 PHY can switch between PHY_MODE_USB_HOST and
PHY_MODE_USB_DEVICE. However, it cannot do it on it's own since it
requires re-routing of the corresponding USB pins from dwc3 (which is
used for host-mode) to dwc2 (which is used for device-mode).
Thus we don't need to auto-detect the mode based on the USB controller,
which simplifies the driver code.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The Meson GXL USB2 PHYs require an additional clock (USB) which has to
be enabled. If that clock is disabled then all PHY registers read 0x0.
Luckily for us that clock is always enabled (either by harddware
defaults, the bootrom, or any of the bootloaders before u-boot/BL3-3).
The OTG capable USB2 PHY additionally has a reset line (USB_OTG, which
is shared with other components, such as the USB3 PHY for example).
Extend the driver so it handles this clock and the shared reset line.
We only trigger the reset during the .init phase since it's a shared
reset line, so triggering it during the driver's .reset implementation
would effectively also only trigger it once anyways.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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devm_phy_create can return -EPROBE_DEFER if the phy-supply is not ready
yet. Silence this warning as the driver framework will re-attempt
registering the PHY - this second try works without any errors. So only
log actual errors to keep the kernel log free of misleading error
messages.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Just use the API instead of open-coding it, no functional change
intended.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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It turns out that 5us isn't enough for all cases, so let's
retry some more times to wait for caldone.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Tested-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Exynos4212 support was removed by commit bca9085e0ae9 ("ARM: dts:
exynos: remove Exynos4212 support (dead code)").
Remove the SOC_EXYNOS4212 dependency from PHY_EXYNOS4X12_USB.
Discovered with the
https://github.com/ulfalizer/Kconfiglib/blob/master/examples/list_undefined.py
script.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The SPDX identifier is a legally binding shorthand, which
can be used instead of the full boiler plate text.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Disable clocks and enable PHY autonomous mode to detect
wakeup events when PHY is suspended.
Core driver should notify speed to PHY driver to enable
LFPS and/or RX_DET interrupts.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Disable clocks and enable DP/DM wakeup interrupts when
suspending PHY.
Core driver should notify speed to PHY driver to enable
appropriate DP/DM wakeup interrupts polarity in suspend state.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Add following USB speed related PHY modes:
LS (Low Speed), FS (Full Speed), HS (High Speed), SS (Super Speed)
Speed related information is required by some QCOM PHY drivers
to program PHY monitor resume/remote-wakeup events in suspended
state. Speed is needed in order to set correct polarity of wakeup
events for detection. E.g. QUSB2 PHY monitors DP/DM line state
depending on whether speed is LS or FS/HS to detect resume.
Similarly QMP USB3 PHY in SS mode should monitor RX terminations
attach/detach and LFPS events depending on SSPHY is active or not.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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QMP V3 USB3 PHY is a DisplayPort (DP) and USB combo PHY
with dual RX/TX lanes to support type-c. There is a
separate block DP_COM for configuration related to type-c
or DP. Add support for dp_com region and secondary rx/tx
lanes initialization.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Registers offsets for QMP V3 PHY are changed from
previous versions (1/2), update same in header file.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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New revision (v3) of QMP PHY uses different offsets
for almost all of the registers. Hence, move these
definitions to header file so that updated offsets
can be added for QMP v3.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Use register layout to add additional registers present
on QUSB2 PHY V2 version for PHY initialization.
Other than new registers on V2, following two register's
offset and bit definitions are different: POWERDOWN control
and PLL_STATUS.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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New version of QUSB2 PHY has some registers offset changed.
Add support to have register layout for a target and update
the same in phy_configuration.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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