Add maintainers entry for the Samsung SoC interconnect drivers, this
currently includes the Exynos generic interconnect driver.
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201112140931.31139-4-s.nawrocki@samsung.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
This patch adds a generic interconnect driver for Exynos SoCs in order
to provide interconnect functionality for each "samsung,exynos-bus"
compatible device.
The SoC topology is a graph (or more specifically, a tree) and its
edges are described by specifying in the 'interconnects' property
the interconnect consumer path for each interconnect provider DT node.
Each bus is now an interconnect provider and an interconnect node as
well (cf. Documentation/interconnect/interconnect.rst), i.e. every bus
registers itself as a node. Node IDs are not hard coded but rather
assigned dynamically at runtime. This approach allows for using this
driver with various Exynos SoCs.
Frequencies requested via the interconnect API for a given node are
propagated to devfreq using dev_pm_qos_update_request(). Please note
that it is not an error when CONFIG_INTERCONNECT is 'n', in which
case all interconnect API functions are no-op.
The samsung,data-clk-ratio DT property is used to specify the ratio
of the interconect bandwidth to the minimum data clock frequency
for each bus.
Due to unspecified relative probing order, -EPROBE_DEFER may be
propagated to ensure that the parent is probed before its children.
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Artur Świgoń <a.swigon@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Link: https://lore.kernel.org/r/20201112140931.31139-3-s.nawrocki@samsung.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Let's simplify the cmp_vcd() function and replace the conditionals
with just a single statement, which also improves readability.
Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20201013171923.7351-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
- Add support for ability to perform collective stream sync. This is basically
a synchronization between compute and network streams.
- Add initialization of NIC QMANs and security configuration. This is a
pre-requisite for upstreaming the NIC ETH and RDMA code.
- Add option to scrub all internal memory (SRAM and DRAM) when the user
closes the file-descriptor
- Support new firmware that provide enhanced device security. This includes
many changes that basically amounts to moving certain configurations to
the firmware and stop reading registers directly and instead receiving the
information from the firmware. For example:
- Retrieve HBM ECC error information
- Retrieve PLL configuration
- Configure of internal credits, rate-limitation
- Support new firmware that performs the GAUDI device reset instead of the
driver. The driver now asks the firmware to do it.
- Some changes were done as Pre-requisite for future ASICs support:
- Add option to put the device's PCI MMU page tables on the host memory.
- Support loading multiple types of firmware.
- Adding option to user to inquire about usage counter of Command buffer.
- Support taking timestamp of Command Submission when it completes and
providing it to the user.
- Change aggregate cs counters to atomic and fix the cs counters structure
to support addition of new counters in the future
- Update email address nad git repo of the driver in MAINTAINERS
- Many small bug fixes and improvements, such as:
- Refactoring in MMU code to move code from ASIC-dependant files to
common code
- Minimize driver prints when no errors occur
- Using enums, defines instead of hard-coded values
- Refactoring of Command Submission flow to make it more readable now that
we have multiple types of Command Submissions.
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Merge tag 'misc-habanalabs-next-2020-11-30' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux into char-misc-next
This tag contains habanalabs driver changes for v5.11-rc1:
- Add support for ability to perform collective stream sync. This is basically
a synchronization between compute and network streams.
- Add initialization of NIC QMANs and security configuration. This is a
pre-requisite for upstreaming the NIC ETH and RDMA code.
- Add option to scrub all internal memory (SRAM and DRAM) when the user
closes the file-descriptor
- Support new firmware that provide enhanced device security. This includes
many changes that basically amounts to moving certain configurations to
the firmware and stop reading registers directly and instead receiving the
information from the firmware. For example:
- Retrieve HBM ECC error information
- Retrieve PLL configuration
- Configure of internal credits, rate-limitation
- Support new firmware that performs the GAUDI device reset instead of the
driver. The driver now asks the firmware to do it.
- Some changes were done as Pre-requisite for future ASICs support:
- Add option to put the device's PCI MMU page tables on the host memory.
- Support loading multiple types of firmware.
- Adding option to user to inquire about usage counter of Command buffer.
- Support taking timestamp of Command Submission when it completes and
providing it to the user.
- Change aggregate cs counters to atomic and fix the cs counters structure
to support addition of new counters in the future
- Update email address nad git repo of the driver in MAINTAINERS
- Many small bug fixes and improvements, such as:
- Refactoring in MMU code to move code from ASIC-dependant files to
common code
- Minimize driver prints when no errors occur
- Using enums, defines instead of hard-coded values
- Refactoring of Command Submission flow to make it more readable now that
we have multiple types of Command Submissions.
* tag 'misc-habanalabs-next-2020-11-30' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux: (76 commits)
habanalabs: Add CB IOCTL opcode to retrieve CB information
habanalabs: Modify the cs_cnt of a CB to be atomic
habanalabs: Add mask for CS type bits in CS flags
habanalabs: change messages to debug level
habanalabs: free host huge va_range if not used
habanalabs/gaudi: handle reset when f/w is in preboot
habanalabs: add missing counter update
habanalabs: add ull to PLL masks
habanalabs: add support for cs with timestamp
habanalabs: indicate to user that a cs is gone
habanalabs/gaudi: print ECC type field
habanalabs: update firmware files
habanalabs: gaudi_ctx_fini() can be static
habanalabs: goya_reset_sob_group() can be static
habanalabs: fetch pll frequency from firmware
habanalabs: mmu map wrapper for sizes larger than a page
habanalabs: print CS type when it is stuck
habanalabs/gaudi: align to new FW reset scheme
habanalabs: firmware returns 64bit argument
habanalabs: fix MMU debugfs operations
...
Update the calibration table to make the temperature more accurate.
Three platforms have been updated: ls1012a, ls1043a and ls1046a.
Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The upstream port, doesn't really follow the vendor partitioning. The
bootloader partition has one U-Boot FIT image containing all needed
bits and pieces. Even today the bootloader is already larger than the
current "bootloader" partition. Thus, fold all the partitions into one
and keep the environment one. The latter is still valid.
We keep the failsafe partitions because the first half of the SPI flash
is preinstalled by the vendor and immutable.
Fixes: 815364d042 ("arm64: dts: freescale: add Kontron sl28 support")
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add the optee node which can either be enabled by a specific board or by
the bootloader.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
On the LS1028A the FlexSPI clock is connected to the first HWA output,
see Figure 7 "Clock subsystem block diagram".
Fixes: c77fae5ba0 ("arm64: dts: ls1028a: Add FlexSPI support")
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
On the LS1028A the ENETC reference clock is connected to 4th HWA output,
see Figure 7 "Clock subsystem block diagram".
The PHC may run with a wrong frequency. ptp_qoriq_auto_config() will read
the clock speed of the clock given in the device tree. It is likely that,
on the reference board this wasn't noticed because both clocks have the
same frequency. But this must not be always the case. Fix it.
Fixes: 49401003e2 ("arm64: dts: fsl: ls1028a: add ENETC 1588 timer node")
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
While running 'make dtbs_install', the following error occurs:
make[3]: *** No rule to make target 'rootfs/freescale/imx8mm-kontron-n801x-s.dts', needed by '__dtbs_install'.
It should be .dtb, not .dts.
Fixes: 8668d8b2e6 ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards")
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
There are two spdif IP on imx8mq, spdif1 is for normal
spdif device, spdif2 is for HDMI ARC interface.
Enable these spdif sound card in this patch.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Configure clock rate for audio plls. audio pll1 is used
as parent clock for clocks that is multiple of 8kHz.
audio pll2 is used as parent clock for clocks that is
multiple of 11kHz.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add PCIe EP node for ls1088a to support EP mode.
Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Annotate the EMDIO1 node and describe the 2 AQR107 PHYs found on the
LX2160ARDB board. Also, add the necessary phy-handles for DPMACs 3 and 4
to their associated PHY.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add PCS MDIO nodes for the internal MDIO buses on the LX2160A, along
with their internal PCS PHYs, which will be used when the DPMAC is
in TYPE_PHY mode.
Also, rename the dpmac@x nodes to ethernet@x in order to be compliant
with the naming convention used by ethernet controllers.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add PCS MDIO nodes for the internal MDIO buses on the LS208x SoCs, along
with their internal PCS PHYs which will be used when the DPMAC object is
in TYPE_PHY mode.
Also, rename the dpmac@x nodes to ethernet@x in order to be compliant
with the naming convention used by ethernet controllers.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Annotate the EMDIO2 node and describe the other 4 10GBASER PHYs found on
the LS2088ARDB board. Also, add phy-handles for DPMACs 5-8 to their
associated PHY.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Annotate the EMDIO1 node and describe the 4 10GBASER PHYs found on the
LS2088ARDB board. Also, add phy-handles for DPMACs 1-4 to their
associated PHY.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add the external MDIO device nodes found in the WRIOP global memory
region. This is needed for management of external PHYs.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Annotate the external MDIO2 node and describe the 10GBASER PHY found on
the LS1088ARDB board and add a phy-handle for DPMAC2 to link it.
Also, add the internal PCS MDIO node for the internal MDIO buses found
on the LS1088A SoC along with its internal PCS PHY and link the
corresponding DPMAC to the PCS through the pcs-handle.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Annotate the external MDIO1 node and describe the 8 QSGMII PHYs found on
the LS1088ARDB board and add phy-handles for DPMACs 3-10 to its
associated PHY. Also, add the internal PCS MDIO nodes for the internal
MDIO buses found on the LS1088A SoC along with their internal PCS PHY
and link the corresponding DPMAC to the PCS through the pcs-handle.
Also, rename the dpmac@x nodes to ethernet@x in order to be compliant
with the naming convention used by ethernet controllers.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add the external MDIO device nodes found in the WRIOP global memory
region. This is needed for management of external PHYs.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add device tree support for LX2162AQDS board.
LX2162A has same die as of LX2160A with different packaging.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The pinmux subnodes are indented too much. This patch does nothing
more than remove an extra tab. There are no functional changes.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add device tree for RD-AC3X-48G4X2XL board. This has a Armada 382 SoC on
a interposer board connected to a baseboard with a Prestera AC3X ASIC
connected via PCI.
Signed-off-by: Aryan Srivastava <aryan.srivastava@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
- Memory leak every time a user closes the file-descriptor of the device.
The driver didn't always free all the VA range structures it maintains
per user.
- Memory leak every time the driver was removed. The device structure was
not "put" at the device's teardown function in the driver.
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Merge tag 'misc-habanalabs-fixes-2020-11-30' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux into char-misc-linus
Oded writes:
This tag contains two bug fixes for v5.10-rc7:
- Memory leak every time a user closes the file-descriptor of the device.
The driver didn't always free all the VA range structures it maintains
per user.
- Memory leak every time the driver was removed. The device structure was
not "put" at the device's teardown function in the driver.
* tag 'misc-habanalabs-fixes-2020-11-30' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux:
habanalabs: put devices before driver removal
habanalabs: free host huge va_range if not used
This includes a single fix for use-after-free bug after resume from
hibernation.
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Merge tag 'thunderbolt-for-v5.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-linus
Mika writes:
thunderbolt: Fix for v5.10-rc7
This includes a single fix for use-after-free bug after resume from
hibernation.
* tag 'thunderbolt-for-v5.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Fix use-after-free in remove_unplugged_switch()
In accordance with the DWC USB3 bindings the corresponding node
name is suppose to comply with the Generic USB HCD DT schema, which
requires the USB nodes to have the name acceptable by the regexp:
"^usb(@.*)?" . Make sure the "snps,dwc3"-compatible nodes are correctly
named.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Mapping the imported pages of a DMA-buf into an userspace process
doesn't work as expected.
But we have reoccurring requests on this approach, so split the
functions for this and document that dma_buf_mmap() needs to be used
instead.
v2: split it into two functions
v3: rebased on latest changes
v4: update commit message a bit
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/403838/
The function qxl_gem_prime_import_sg_table is not fully implemented.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/403833/
According to Daniel VMWGFX doesn't support DMA-buf anyway.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/403834/
This is deprecated, also drop the comment about faults.
v2: also use ttm_sg_tt_init to avoid allocating the page array.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/403835/
This is deprecated.
v2: also use ttm_sg_tt_init to avoid allocating the page array.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/403832/
This patch moves the function m_can_class_unregister() directly after the
m_can_class_register() function.
Link: https://lore.kernel.org/r/20201130133713.269256-7-mkl@pengutronix.de
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
There's no need to unset the drvdata on remove, so remove the unneeded call to
platform_set_drvdata() in m_can_plat_remove().
Link: https://lore.kernel.org/r/20201130133713.269256-6-mkl@pengutronix.de
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Both struct tcan4x5x_priv::mram_start and struct tcan4x5x_priv::reg_offset are
only assigned once with a constant and then always used read-only. This patch
changes the driver to use the constant directly instead.
Link: https://lore.kernel.org/r/20201130133713.269256-2-mkl@pengutronix.de
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
The device_is_bound() is invisible to drivers when built as modules.
It's also not aimed to be used by drivers according to Greg K.H.
Let's remove it from clk-scu driver and find another way to do proper
driver loading sequence.
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Stephen Boyd <sboyd@kernel.org>
Fixes: 77d8f3068c ("clk: imx: scu: add two cells binding support")
Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
When an interrupt allocation fails for N interrupts, it is pretty
common for the error handling code to free the same number of interrupts,
no matter how many interrupts have actually been allocated.
This may result in the domain freeing code to be unexpectedly called
for interrupts that have no mapping in that domain. Things end pretty
badly.
Instead, add some checks to irq_domain_free_irqs_hierarchy() to make sure
that thiss does not follow the hierarchy if no mapping exists for a given
interrupt.
Fixes: 6a6544e520 ("genirq/irqdomain: Remove auto-recursive hierarchy support")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201129135551.396777-1-maz@kernel.org
Rename the tcan4x5x_parse_config() function to tcan4x5x_get_gpios() since the
function retrieves the gpio configurations from the firmware.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: http://lore.kernel.org/r/20200226140358.30017-1-dmurphy@ti.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
