The "ibm,fsi2pib" compatible was originally in the binding, but it
changed to "ibm,p9-scom" in the end. However, both compatibles are in
use, so just support both.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250307230822.832936-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Document the FSI Hub Controller CFAM engine.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-11-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Add the appropriate compatible string, and document the new reg
properties of the AST2700 FSI controller, which can directly access
the FSI controller registers as well as the FSI link address space.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-10-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Convert to json-schema for the AST2600 FSI master documentation.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-9-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Remove the common properties from the I2CR documentation and instead
point to the common FSI controller documentation.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-8-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Since there are multiple FSI controllers documented, the common
properties should be documented separately and then referenced
from the specific controller documentation. Add bus-frequency for
the FSI bus and CFAM local bus frequencies. Add interrupt
controller properties.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-7-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
The SBEFIFO engine provides an interface to the POWER processor
Self Boot Engine (SBE).
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20240522192524.3286237-6-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Conver to json-schema for the OCC documentation. Also document the fact
that the OCC "bridge" device will often have the hwmon node as a
child.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-5-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
The SCOM engine provides an interface to the POWER processor PIB
(Pervasive Interconnect Bus).
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-4-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
The FSI2SPI bridge has several SPI controllers behind it, which
should be documented. Also, therefore the node needs to specify
address and size cells.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-3-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
The I2C Responder translates I2C commands to CFAM or SCOM operations,
effectively implementing an FSI master.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230612195657.245125-13-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Remove this compatible string from the FSI SPI controller
documentation, since the security restrictions have been
universally applied to the controllers.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210716133915.14697-3-eajames@linux.ibm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add the P10 compatible string.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201120010315.190737-2-joel@jms.id.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Here is the big set of char, misc, and other assorted driver subsystem
patches for 5.10-rc1.
There's a lot of different things in here, all over the drivers/
directory. Some summaries:
- soundwire driver updates
- habanalabs driver updates
- extcon driver updates
- nitro_enclaves new driver
- fsl-mc driver and core updates
- mhi core and bus updates
- nvmem driver updates
- eeprom driver updates
- binder driver updates and fixes
- vbox minor bugfixes
- fsi driver updates
- w1 driver updates
- coresight driver updates
- interconnect driver updates
- misc driver updates
- other minor driver updates
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCX4g8YQ8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+yngKgCeNpArCP/9vQJRK9upnDm8ZLunSCUAn1wUT/2A
/bTQ42c/WRQ+LU828GSM
=6sO2
-----END PGP SIGNATURE-----
Merge tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char, misc, and other assorted driver subsystem
patches for 5.10-rc1.
There's a lot of different things in here, all over the drivers/
directory. Some summaries:
- soundwire driver updates
- habanalabs driver updates
- extcon driver updates
- nitro_enclaves new driver
- fsl-mc driver and core updates
- mhi core and bus updates
- nvmem driver updates
- eeprom driver updates
- binder driver updates and fixes
- vbox minor bugfixes
- fsi driver updates
- w1 driver updates
- coresight driver updates
- interconnect driver updates
- misc driver updates
- other minor driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (396 commits)
binder: fix UAF when releasing todo list
docs: w1: w1_therm: Fix broken xref, mistakes, clarify text
misc: Kconfig: fix a HISI_HIKEY_USB dependency
LSM: Fix type of id parameter in kernel_post_load_data prototype
misc: Kconfig: add a new dependency for HISI_HIKEY_USB
firmware_loader: fix a kernel-doc markup
w1: w1_therm: make w1_poll_completion static
binder: simplify the return expression of binder_mmap
test_firmware: Test partial read support
firmware: Add request_partial_firmware_into_buf()
firmware: Store opt_flags in fw_priv
fs/kernel_file_read: Add "offset" arg for partial reads
IMA: Add support for file reads without contents
LSM: Add "contents" flag to kernel_read_file hook
module: Call security_kernel_post_load_data()
firmware_loader: Use security_post_load_data()
LSM: Introduce kernel_post_load_data() hook
fs/kernel_read_file: Add file_size output argument
fs/kernel_read_file: Switch buffer size arg to size_t
fs/kernel_read_file: Remove redundant size argument
...
- Update dtc to upstream version v1.6.0-31-gcbca977ea121
- dtx_diff help text reformatting
- Speed-up validation time for binding and dtb checks using json for
intermediate files
- Add support for running yamllint on DT schema files
- Remove old booting-without-of.rst
- Extend the example schema to address common issues
- Cleanup handling of additionalProperties/unevaluatedProperties
- Ensure all DSI controller schemas reference dsi-controller.yaml
- Vendor prefixes for Zealz, Wandbord/Technexion, Embest RIoT, Rex, DFI,
and Cisco Meraki
- Convert at25, SPMI bus, TI hwlock, HiSilicon Hi3660 USB3 PHY, Arm
SP805 watchdog, Arm SP804, and Samsung 11-pin USB connector to DT
schema
- Convert HiSilicon SoC and syscon bindings to DT schema
- Convert SiFive Risc-V L2 cache, PLIC, PRCI, and PWM to DT schema
- Convert i.MX bindings for w1, crypto, rng, SIM, PM, DDR,
SATA, vf610 GPIO, and UART to DT schema
- Add i.MX 8M compatible strings
- Add LM81 and DS1780 as trivial devices
- Various missing properties added to fix dtb validation warnings
-----BEGIN PGP SIGNATURE-----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=gL4K
-----END PGP SIGNATURE-----
Merge tag 'devicetree-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Update dtc to upstream version v1.6.0-31-gcbca977ea121
- dtx_diff help text reformatting
- Speed-up validation time for binding and dtb checks using json for
intermediate files
- Add support for running yamllint on DT schema files
- Remove old booting-without-of.rst
- Extend the example schema to address common issues
- Cleanup handling of additionalProperties/unevaluatedProperties
- Ensure all DSI controller schemas reference dsi-controller.yaml
- Vendor prefixes for Zealz, Wandbord/Technexion, Embest RIoT, Rex,
DFI, and Cisco Meraki
- Convert at25, SPMI bus, TI hwlock, HiSilicon Hi3660 USB3 PHY, Arm
SP805 watchdog, Arm SP804, and Samsung 11-pin USB connector to DT
schema
- Convert HiSilicon SoC and syscon bindings to DT schema
- Convert SiFive Risc-V L2 cache, PLIC, PRCI, and PWM to DT schema
- Convert i.MX bindings for w1, crypto, rng, SIM, PM, DDR, SATA, vf610
GPIO, and UART to DT schema
- Add i.MX 8M compatible strings
- Add LM81 and DS1780 as trivial devices
- Various missing properties added to fix dtb validation warnings
* tag 'devicetree-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (111 commits)
dt-bindings: misc: explicitly add #address-cells for slave mode
spi: dt-bindings: spi-controller: explicitly require #address-cells=<0> for slave mode
dt: Remove booting-without-of.rst
dt-bindings: update usb-c-connector example
dt-bindings: arm: hisilicon: add missing properties into cpuctrl.yaml
dt-bindings: arm: hisilicon: add missing properties into sysctrl.yaml
dt-bindings: pwm: imx: document i.MX compatibles
scripts/dtc: Update to upstream version v1.6.0-31-gcbca977ea121
dt-bindings: Add running yamllint to dt_binding_check
dt-bindings: powerpc: Add a schema for the 'sleep' property
dt-bindings: pinctrl: sirf: Fix typo abitrary
dt-bindings: pinctrl: qcom: Fix typo abitrary
dt-bindings: Explicitly allow additional properties in common schemas
dt-bindings: Use 'additionalProperties' instead of 'unevaluatedProperties'
dt-bindings: Add missing 'unevaluatedProperties'
Docs: Fixing spelling errors in Documentation/devicetree/bindings/
dt-bindings: arm: hisilicon: convert Hi6220 domain controller bindings to json-schema
dt-bindings: riscv: convert pwm bindings to json-schema
dt-bindings: riscv: convert plic bindings to json-schema
dt-bindings: fu540: prci: convert PRCI bindings to json-schema
...
Add a compatible string for the restricted version of the SPI controller.
The restricted version cannot process sequence loop operations and
therefore has a smaller transfer size.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20200909222857.28653-5-eajames@linux.ibm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This describes the FSI master present in the AST2600.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Alistair Popple <alistair@popple.id.au>
Link: https://lore.kernel.org/r/20191108051945.7109-9-joel@jms.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document the bindings for the FSI-attached POWER9 On-Chip Controller.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This represents a physical chip in the system and allows
a stable numbering scheme to be passed to udev for userspace
to recognize which chip is which.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Rob Herring <robh@kernel.org>
This isn't per-se a real device, it's a pseudo-device that
represents the use of the Aspeed built-in ColdFire to
implement the FSI protocol by bitbanging the GPIOs instead
of doing it from the ARM core.
Thus it's a drop-in replacement for the existing
fsi-master-gpio pseudo-device for use on systems based
on the Aspeed chips. It has most of the same properties,
plus some more needed to operate the coprocessor.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Support for this is being added to the driver but the original
patch forgot to add this documentation.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Add an optional FSI master property 'no-scan-on-init. This
can be specified to indicate that a master should not be
automatically scanned at init time. This is required in cases
where a scan could interfere with another FSI master on the same
bus.
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This change introduces a proposed layout for describing FSI busses in
the device tree. While the bus is probe-able, we'd still like a method
of describing subordinate (eg i2c) busses that are behind FSI devices.
The FSI core will be responsible for matching probed slaves & engines to
their device tree nodes, so the FSI device drivers' probe() functions
will be passed a struct device with the appropriate of_node populated
where a matching DT node is found.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Acked-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Acked-by: Eddie James <eajames@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add fsi master gpio device tree binding documentation.
Includes changes from Jeremy Kerr <jk@ozlabs.org>.
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
