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The vmclock device provides a PTP clock source and precise timekeeping
across live migration and snapshot/restore operations.
The binding has a required memory region containing the vmclock_abi
structure and an optional interrupt for clock disruption notifications.
The full spec is at https://uapi-group.org/specifications/specs/vmclock/
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Babis Chalios <bchalios@amazon.es>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Tested-by: Takahiro Itazuri <itazur@amazon.com>
Link: https://patch.msgid.link/20260130173704.12575-4-itazur@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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NXP NETC (Ethernet Controller) is a multi-function PCIe Root Complex
Integrated Endpoint (RCiEP), the Timer is one of its functions which
provides current time with nanosecond resolution, precise periodic
pulse, pulse on timeout (alarm), and time capture on external pulse
support. And also supports time synchronization as required for IEEE
1588 and IEEE 802.1AS-2020. So add device tree binding doc for the PTP
clock based on NETC Timer.
NETC Timer has three reference clock sources, but the clock mux is inside
the IP. Therefore, the driver will parse the clock name to select the
desired clock source. If the clocks property is not present, NETC Timer
will use the system clock of NETC IP as its reference clock. Because the
Timer is a PCIe function of NETC IP, the system clock of NETC is always
available to the Timer.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250829050615.1247468-2-wei.fang@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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fsl,enetc-ptp is embedded pcie device. Add compatible string pci1957,ee02.
Fix warning:
arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dtb: ethernet@0,4:
compatible:0: 'pci1957,ee02' is not one of ['fsl,etsec-ptp', 'fsl,fman-ptp-timer', 'fsl,dpaa2-ptp', 'fsl,enetc-ptp']
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert ptp-qoirq from txt to yaml format.
Additional change:
- Fixed example interrupts proptery. Need only 1 irq by check MPC8313 spec.
- Move Reference clock context under clk,sel.
- Interrupts is not required property.
- Use low case for hex value.
- Check reference manual of MPC8313, p1010 and so on, which dts use more
than 1 irqs. Only 1 irq for each ptp device. Check driver code
(drivers/ptp/ptp_qoriq.c) and only 1 irq used. So original description is
wrong.
- Remove comments for compatible string.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240618-ls_fman-v2-1-f00a82623d8e@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As indicated in
link: https://lore.kernel.org/all/20220822204945.GA808626-robh@kernel.org/
DT schema files should not have 'Device Tree Binding' as part of there
title: line. Remove this in most .yaml files, so hopefully preventing
developers copying it into new .yaml files, and being asked to remove
it.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220825020427.3460650-1-andrew@lunn.ch
Signed-off-by: Rob Herring <robh@kernel.org>
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Running 'dt-validate -m' will flag any compatible strings missing a schema.
Fix all the errors found in DT binding examples. Most of these are just
typos.
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Avi Fishman <avifishman70@gmail.com>
Cc: Tomer Maimon <tmaimon77@gmail.com>
Cc: Tali Perry <tali.perry1@gmail.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Will Deacon <will@kernel.org>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: Vincent Cheng <vincent.cheng.xh@renesas.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-crypto@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: iommu@lists.linux-foundation.org
Cc: linux-watchdog@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Palmer <daniel@thingy.jp>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210202205544.24812-1-robh@kernel.org
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Add fsl,tmr-fiper3 property definition which is supported only
on DPAA2 and ENETC network controller hardware.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Unit test for overlays with GPIO hogs
- Improve dma-ranges parsing to handle dma-ranges with multiple entries
- Update dtc to upstream version v1.6.0-2-g87a656ae5ff9
- Improve overlay error reporting
- Device link support for power-domains and hwlocks bindings
- Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida,
PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and
ITE Tech
- Add deprecated Marvell vendor prefix 'mrvl'
- A bunch of binding conversions to DT schema continues. Of note, the
common serial and USB connector bindings are converted.
- Add more Arm CPU compatibles
- Drop Mark Rutland as DT maintainer :(
* tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (106 commits)
MAINTAINERS: drop an old reference to stm32 pwm timers doc
MAINTAINERS: dt: update etnaviv file reference
dt-bindings: usb: dwc2: fix bindings for amlogic, meson-gxbb-usb
dt-bindings: uniphier-system-bus: fix warning in the example
dt-bindings: display: meson-vpu: fix indentation of reg-names' "items"
dt-bindings: iio: Fix adi, ltc2983 uint64-matrix schema constraints
dt-bindings: power: Fix example for power-domain
dt-bindings: arm: Add some constraints for PSCI nodes
of: some unittest overlays not untracked
of: gpio unittest kfree() wrong object
dt-bindings: phy: convert phy-rockchip-inno-usb2 bindings to yaml
dt-bindings: serial: sh-sci: Convert to json-schema
dt-bindings: serial: Document serialN aliases
dt-bindings: thermal: tsens: Set 'additionalProperties: false'
dt-bindings: thermal: tsens: Fix nvmem-cell-names schema
dt-bindings: vendor-prefixes: Add Beacon vendor prefix
dt-bindings: vendor-prefixes: Add Topwise
of: of_private.h: Replace zero-length array with flexible-array member
docs: dt: fix a broken reference to input.yaml
docs: dt: fix references to ap806-system-controller.txt
...
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Setting 'additionalProperties: false' is frequently omitted, but is
important in order to check that there aren't extra undocumented
properties in a binding.
Ideally, we'd just add this automatically and make this the default, but
there's some cases where it doesn't work. For example, if a common
schema is referenced, then properties in the common schema aren't part
of what's considered for 'additionalProperties'. Also, sometimes there
are bus specific properties such as 'spi-max-frequency' that go into
bus child nodes, but aren't defined in the child node's schema.
So let's stick with the json-schema defined default and add
'additionalProperties: false' where needed. This will be a continual
review comment and game of wack-a-mole.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Acked-by: Stephen Boyd <sboyd@kernel.org> # clock
Acked-by: Lee Jones <lee.jones@linaro.org>
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Add device tree binding doc for the PTP clock based on IDT 82P33
Synchronization Management Unit (SMU).
Changes since v1:
- As suggested by Rob Herring:
1. Drop reg description for i2c
2. Replace i2c@1 with i2c
3. Add addtionalProperties: false
Signed-off-by: Min Li <min.li.xe@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch add a new binding that allows non-PHY MII time stamping
devices to find their buses. The new documentation covers both the
generic binding and one upcoming user.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add device tree binding doc for the IDT ClockMatrix PTP clock.
Signed-off-by: Vincent Cheng <vincent.cheng.xh@renesas.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new compatible for DPAA2 PTP.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new compatible for ENETC PTP.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Specify "little-endian" property if the 1588 timer IP block
is little-endian mode. The default endian mode is big-endian.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Documented "fsl,extts-fifo" property.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to add bindings description for DPAA
FMan 1588 timer, and also remove its description in
fsl-fman dt-bindings document.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to add a documentation for ptp_qoriq dt-bindings.
The description for ptp_qoriq dt-bindings was actually moved
from Documentation/devicetree/bindings/net/fsl-tsec-phy.txt,
since gianfar_ptp driver was moved to ptp_qoriq driver.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
"There's a few orphans in the conversion to %pOF printf specifiers
included here that no one else picked up.
Summary:
- Convert more DT code to use of_property_read_* API.
- Improve DT overlay support when adding multiple overlays
- Convert printk's to %pOF format specifiers. Most went via subsystem
trees, but picked up the remaining orphans
- Correct unittests to use preferred "okay" for "status" property
value
- Add a KASLR seed property
- Vendor prefixes for Mellanox, Theobroma System, Adaptrum, Moxa
- Fix modalias buffer handling
- Clean-up of include paths for building dtbs
- Add bindings for amc6821, isl1208, tsl2x7x, srf02, and srf10
devices
- Add nvmem bindings for MediaTek MT7623 and MT7622 SoC
- Add compatible string for Allwinner H5 Mali-450 GPU
- Fix links to old OpenFirmware docs with new mirror on
devicetree.org
- Remove status property from binding doc examples"
* tag 'devicetree-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (45 commits)
devicetree: Adjust status "ok" -> "okay" under drivers/of/
dt-bindings: Remove "status" from examples
dt-bindings: pinctrl: sh-pfc: Use generic node name
dt-bindings: Add vendor Mellanox
dt-binding: net/phy: fix interrupts description
virt: Convert to using %pOF instead of full_name
macintosh: Convert to using %pOF instead of full_name
ide: pmac: Convert to using %pOF instead of full_name
microblaze: Convert to using %pOF instead of full_name
dt-bindings: usb: musb: Grammar s/the/to/, s/is/are/
of: Use PLATFORM_DEVID_NONE definition
of/device: Fix of_device_get_modalias() buffer handling
of/device: Prevent buffer overflow in of_device_modalias()
dt-bindings: add amc6821, isl1208 trivial bindings
dt-bindings: add vendor prefix for Theobroma Systems
of: search scripts/dtc/include-prefixes path for both CPP and DTC
of: remove arch/$(SRCARCH)/boot/dts from include search path for CPP
of: remove drivers/of/testcase-data from include search path for CPP
of: return of_get_cpu_node from of_cpu_device_node_get if CPUs are not registered
iio: srf08: add device tree binding for srf02 and srf10
...
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Pretty much any node can have a status property, so it doesn't need to
be in examples.
Converted with the following command and removed examples with SoC and
board specific splits:
git grep -l -E 'status.*=.*' Documentation/devicetree/ | xargs sed -i -E '/\sstatus.*=.*"(disabled|ok|okay)/d'
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Add SoC specific compatibility strings to the Broadcom DTE
based PTP clock binding document.
Fixed the document heading and node name.
Fixes: 80d6076140b2 ("dt-binding: ptp: add bindings document for dte based ptp clock")
Signed-off-by: Arun Parameswaran <arun.parameswaran@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add device tree binding documentation for the Broadcom DTE
PTP clock driver.
Signed-off-by: Arun Parameswaran <arun.parameswaran@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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