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WM8960 has the following power supplies:
- AVDD
- DBVDD
- DCVDD
- SPKVDD1
- SPKVDD1
Add them to bindings to improve the hardware description.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230803215506.142922-1-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>:
These are part of "ASoC: add multi Component support" patch-set.
The patch-set supports below case as "2 Cards".
+-- basic board --------+
|+--------+ |
|| CPU ch0| <--> CodecA |
|| ch1| <-+ |
|+--------+ | |
+-------------|---------+
+-- expansion board ----+
| | |
| +-> CodecB|
+-----------------------+
Renesas sound driver and its Doc part were held for observation.
Rob mentioned that "definitions" vs "$defs". But I got error on "$defs",
no error on "definitions". I believe this change is not mandatory.
He also mentioned that "reg" is missing, but I also believe that "reg"
is automatically handled somehow/somewhere (I'm not sure detail, but other
reviewer indicated it before).
He also mentioned that "ports" and "port", but added new "ports" needs
special handling. Using "ports" vs "port" are different, not
compatible on this driver. This means we need both on Doc.
Thus, there is no update for these.
Convert GTM601 binding to the YAML format.
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230730191742.117013-1-david@ixit.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
To enable multi Component support, "multi ports" is needed for Audio Graph
Card/Card2, and "multi rcar_sound,dai" is needed for Simple Audio Card.
This patch enable these.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87r0oyb1li.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
renesas,rsnd uses both "ports" has "port", and these are very similar.
To avoid duplicated definitions, this patch adds common port-def.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87sf9eb1ln.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- Fix moortec,mr75203 schema usage of 'multipleOf' keyword
- Fix regression in systems depending on "of-display" device name
- Build fix for s390 with CONFIG_PCI=n and OF_EARLY_FLATTREE=y
- Drop 2 obsolete serial .txt bindings
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Merge tag 'devicetree-fixes-for-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix moortec,mr75203 schema usage of 'multipleOf' keyword
- Fix regression in systems depending on "of-display" device name
- Build fix for s390 with CONFIG_PCI=n and OF_EARLY_FLATTREE=y
- Drop two obsolete serial .txt bindings
* tag 'devicetree-fixes-for-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: serial: Remove obsolete nxp,lpc1850-uart.txt
dt-bindings: serial: Remove obsolete cavium-uart.txt
dt-bindings: hwmon: moortec,mr75203: fix multipleOf for coefficients
of: Preserve "of-display" device name for compatibility
of: make OF_EARLY_FLATTREE depend on HAS_IOMEM
Merge series from Stephan Gerhold <stephan@gerhold.net>:
Drop the redundant reg-names and mclk from the PM8916 analog codec.
Having the mclk on the analog codec is incorrect because only the
digital codec consumes it directly.
The audio codec typically used for the MSM8916 SoC is split into two
parts: the digital codec is part of the SoC, while the analog codec is
part of the PM8916 PMIC.
The analog codec in the PMIC has no direct connection to the mclk of
the SoC (GCC_CODEC_DIGCODEC_CLK). As the name of the clock suggests
this is supplied to the digital part of the codec. During playback it
will use this clock to transmit the audio data via the "CDC PDM" pins
to the PMIC. In this case the analog codec indirectly receives the
clock signal through the digital codec.
GCC_CODEC_DIGCODEC_CLK is already managed by the driver of the digital
part of the codec in the SoC. Having this clock on the analog PMIC part
additionally is redundant and incorrect because the analog codec cannot
receive the clock signal without going through the digital codec.
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230718-pm8916-mclk-v1-3-4b4a58b4240a@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
pm8916-wcd-analog-codec has just a single reg region, so having a name
for it provides no additional value.
Drop it completely from the schema and example. There is not really any
point in keeping it (even as deprecated) because it was never used. In
old DTBs it will just be ignored as before.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230718-pm8916-mclk-v1-2-4b4a58b4240a@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
SPMI devices typically have a single address cell and no size cell,
i.e. reg = <0xf000> for the audio codec instead of reg = <0xf000 0x200>.
The example is a bit misleading because it uses the latter. Copying
this into the device tree would be incorrect and was fixed before for
pm8916.dtsi in commit c2f0cbb57dba ("arm64: dts: qcom: pm8916: Remove
invalid reg size from wcd_codec").
Make the example more clear by adding the outer "pmic" node which
specifies the same #address/size-cells that would be used in the
real deivce tree.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230718-pm8916-mclk-v1-1-4b4a58b4240a@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
Add #sound-dai-cells property and reference dai-common.yaml schema, this
is required since NAU8822 can be used as a platform DAI link.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230719124752.248898-2-francesco@dolcini.it
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Mark Brown <broonie@kernel.org>:
We have some KUnit tests for ASoC but they're not being run as much as
they should be since ASoC isn't enabled in the configs used by default
with KUnit and in the case of the topology tests there is no way to
enable them without enabling drivers that use them. This series
provides a Kconfig option which KUnit can use directly rather than worry
about drivers.
Further, since KUnit is typically run in UML but ALSA prevents build
with UML we need to remove that Kconfig conflict. As far as I can tell
the motiviation for this is that many ALSA drivers use iomem APIs which
are not available under UML and it's more trouble than it's worth to go
through and add per driver dependencies. In order to avoid these issues
we also provide stubs for these APIs so there are no build time issues
if a driver relies on iomem but does not depend on it. With these stubs
I am able to build all the sound drivers available in a UML defconfig
(UML allmodconfig appears to have substantial other issues in a quick
test).
With this series I am able to run the topology KUnit tests as part of a
kunit --alltests run.
The example in audio-graph-card2 binding is incomplete, uses
undocumented compatibles strings, and doesn't follow typical .dts
formatting. Rather than try to fix with what would probably be a lengthy
example, just drop the example.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230707221725.1071292-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Add compatible string for i.MX93 platform which supports audio
function through rpmsg channel between Cortex-A and Cortex-M core.
Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714092913.1591195-2-chancel.liu@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using
the branch.
Few coefficients use default values multiple of 100, not 1000 (in the
example DTS and in the Linux driver):
moortec,mr75203.example.dtb: pvt@e0680000: moortec,ts-coeff-g:0:0: 61400 is not a multiple of 1000
Fixes: bf1fdafdbc61 ("dt-bindings: hwmon: (mr75203) add coefficient properties for the thermal equation")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230712081124.110345-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
Merge series from Trevor Wu <trevor.wu@mediatek.com>:
This series introduces support for memory-region, allowing afe memif to
utilize the region specified in dts.
Merge series from Herve Codina <herve.codina@bootlin.com>:
Several weeks ago, I sent a series [1] for adding a potentiometer as an
auxiliary device in ASoC. The feedback was that the potentiometer should
be directly handled in IIO (as other potentiometers) and something more
generic should be present in ASoC in order to have a binding to import
some IIO devices into sound cards.
The series related to the IIO potentiometer device is already applied.
This series introduces audio-iio-aux. Its goal is to offer the binding
between IIO and ASoC.
It exposes attached IIO devices as ASoC auxiliary devices and allows to
control them through mixer controls.
On my system, the IIO device is a potentiometer and it is present in an
amplifier design present in the audio path.
The example in audio-graph-card2 binding is incomplete, uses
undocumented compatibles strings, and doesn't follow typical .dts
formatting. Rather than try to fix with what would probably be a lengthy
example, just drop the example.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230707221725.1071292-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
A few late arriving patches that missed the initial pull request.
It's mostly bug fixes (the dt-bindings is a fix for the initial pull).
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"A few late arriving patches that missed the initial pull request. It's
mostly bug fixes (the dt-bindings is a fix for the initial pull)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Remove unused function declaration
scsi: target: docs: Remove tcm_mod_builder.py
scsi: target: iblock: Quiet bool conversion warning with pr_preempt use
scsi: dt-bindings: ufs: qcom: Fix ICE phandle
scsi: core: Simplify scsi_cdl_check_cmd()
scsi: isci: Fix comment typo
scsi: smartpqi: Replace one-element arrays with flexible-array members
scsi: target: tcmu: Replace strlcpy() with strscpy()
scsi: ncr53c8xx: Replace strlcpy() with strscpy()
scsi: lpfc: Fix lpfc_name struct packing
* A bunch of fixes/cleanups from the first part of the merge window,
mostly related to ACPI and vector as those were large.
* Some documentation improvements, mostly related to the new code.
* The "riscv,isa" DT key is deprecated.
* Support for link-time dead code elimination.
* Support for minor fault registration in userfaultd.
* A handful of cleanups around CMO alternatives.
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Merge tag 'riscv-for-linus-6.5-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- A bunch of fixes/cleanups from the first part of the merge window,
mostly related to ACPI and vector as those were large
- Some documentation improvements, mostly related to the new code
- The "riscv,isa" DT key is deprecated
- Support for link-time dead code elimination
- Support for minor fault registration in userfaultd
- A handful of cleanups around CMO alternatives
* tag 'riscv-for-linus-6.5-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (23 commits)
riscv: mm: mark noncoherent_supported as __ro_after_init
riscv: mm: mark CBO relate initialization funcs as __init
riscv: errata: thead: only set cbom size & noncoherent during boot
riscv: Select HAVE_ARCH_USERFAULTFD_MINOR
RISC-V: Document the ISA string parsing rules for ACPI
risc-v: Fix order of IPI enablement vs RCU startup
mm: riscv: fix an unsafe pte read in huge_pte_alloc()
dt-bindings: riscv: deprecate riscv,isa
RISC-V: drop error print from riscv_hartid_to_cpuid()
riscv: Discard vector state on syscalls
riscv: move memblock_allow_resize() after linear mapping is ready
riscv: Enable ARCH_SUSPEND_POSSIBLE for s2idle
riscv: vdso: include vdso/vsyscall.h for vdso_data
selftests: Test RISC-V Vector's first-use handler
riscv: vector: clear V-reg in the first-use trap
riscv: vector: only enable interrupts in the first-use trap
RISC-V: Fix up some vector state related build failures
RISC-V: Document that V registers are clobbered on syscalls
riscv: disable HAVE_LD_DEAD_CODE_DATA_ELIMINATION for LLD
riscv: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION
...
New support:
- TI J721S2 CSI BCDMA support
Updates:
- Native HDMI support for dw edma driver
- ste dma40 updates for supporting proper SRAM handle in DT
- removal of dma device chancnt setting in drivers
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Merge tag 'dmaengine-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New support:
- TI J721S2 CSI BCDMA support
Updates:
- Native HDMI support for dw edma driver
- ste dma40 updates for supporting proper SRAM handle in DT
- removal of dma device chancnt setting in drivers"
* tag 'dmaengine-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (28 commits)
dmaengine: sprd: Don't set chancnt
dmaengine: hidma: Don't set chancnt
dmaengine: plx_dma: Don't set chancnt
dmaengine: axi-dmac: Don't set chancnt
dmaengine: dw-axi-dmac: Don't set chancnt
dmaengine: qcom: bam_dma: allow omitting num-{channels,ees}
dmaengine: dw-edma: Add HDMA DebugFS support
dmaengine: dw-edma: Add support for native HDMA
dmaengine: dw-edma: Create a new dw_edma_core_ops structure to abstract controller operation
dmaengine: dw-edma: Rename dw_edma_core_ops structure to dw_edma_plat_ops
dmaengine: ste_dma40: use proper format string for resource_size_t
dmaengine: make QCOM_HIDMA depend on HAS_IOMEM
dmaengine: ste_dma40: fix typo in enum documentation
dmaengine: ste_dma40: use correct print specfier for resource_size_t
MAINTAINERS: Add myself as the DW eDMA driver reviewer
MAINTAINERS: Add Manivannan to DW eDMA driver maintainers list
MAINTAINERS: Demote Gustavo Pimentel to DW EDMA driver reviewer
dmaengine: ti: k3-udma: Add support for J721S2 CSI BCDMA instance
dt-bindings: dma: ti: Add J721S2 BCDMA
dmaengine: ti: k3-psil-j721s2: Add PSI-L thread map for main CPSW2G
...
- New Support
- Debugfs support for phy core and mediatek driver
- Hisilicon inno-usb2-phy driver supporting Hi3798MV100
- Qualcomm SGMII SerDes PHY driver, SM6115 & QCM2290 QMP-USB support,
SA8775P USB PHY & USB3 UNI support, QUSB2 support for IPQ9574, IPQ9574 USB3 PHY
- Updates
- Sparx5 serdes phy power optimzation
- cadence salvo usb properties and updates and torrent DP with PCIe &
USB support
- Yaml conversion for Broadcom kona USB bindings and MXS USB binding
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Merge tag 'phy-for-6.5_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"New Support:
- Debugfs support for phy core and mediatek driver
- Hisilicon inno-usb2-phy driver supporting Hi3798MV100
- Qualcomm SGMII SerDes PHY driver, SM6115 & QCM2290 QMP-USB support,
SA8775P USB PHY & USB3 UNI support, QUSB2 support for IPQ9574,
IPQ9574 USB3 PHY
UpdatesL
- Sparx5 serdes phy power optimzation
- cadence salvo usb properties and updates and torrent DP with PCIe &
USB support
- Yaml conversion for Broadcom kona USB bindings and MXS USB binding"
* tag 'phy-for-6.5_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (67 commits)
dt-bindings: phy: brcm,brcmstb-usb-phy: Fix error in "compatible" conditional schema
dt-bindings: phy: mixel,mipi-dsi-phy: Remove assigned-clock* properties
dt-bindings: phy: intel,combo-phy: restrict node name suffixes
dt-bindings: phy: qcom,usb-hs-phy: Add compatible
phy: tegra: xusb: check return value of devm_kzalloc()
phy: qcom: qmp-combo: fix Display Port PHY configuration for SM8550
phy: qcom: add the SGMII SerDes PHY driver
dt-bindings: phy: describe the Qualcomm SGMII PHY
phy: qualcomm: fix indentation in Makefile
phy: usb: suppress OC condition for 7439b2
phy: usb: Turn off phy when port is in suspend
phy: tegra: xusb: Clear the driver reference in usb-phy dev
dt-bindings: phy: mxs-usb-phy: add imx8ulp and imx8qm compatible
dt-bindings: phy: mxs-usb-phy: convert to DT schema format
dt-bindings: phy: qcom,qmp-usb: fix bindings error
dt-bindings: phy: qcom,qmp-ufs: fix the sc8180x regs
dt-bindings: phy: qcom,qmp-pcie: fix the sc8180x regs
phy: mediatek: tphy: add debugfs files
phy: core: add debugfs files
phy: fsl-imx8mp-usb: add support for phy tuning
...
There's a little bit of everything in here: we've got various
improvements and cleanups to drivers, some fixes across the board and a
bit of new hardware support.
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Merge tag 'pwm/for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"There's a little bit of everything in here: we've got various
improvements and cleanups to drivers, some fixes across the board and
a bit of new hardware support"
* tag 'pwm/for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (22 commits)
dt-bindings: pwm: convert pwm-bcm2835 bindings to YAML
pwm: Add Renesas RZ/G2L MTU3a PWM driver
pwm: mtk_disp: Fix the disable flow of disp_pwm
dt-bindings: pwm: restrict node name suffixes
pwm: pca9685: Switch i2c driver back to use .probe()
pwm: ab8500: Fix error code in probe()
MAINTAINERS: add pwm to PolarFire SoC entry
pwm: add microchip soft ip corePWM driver
pwm: sysfs: Do not apply state to already disabled PWMs
pwm: imx-tpm: force 'real_period' to be zero in suspend
pwm: meson: make full use of common clock framework
pwm: meson: don't use hdmi/video clock as mux parent
pwm: meson: switch to using struct clk_parent_data for mux parents
pwm: meson: remove not needed check in meson_pwm_calc
pwm: meson: fix handling of period/duty if greater than UINT_MAX
pwm: meson: modify and simplify calculation in meson_pwm_get_state
dt-bindings: pwm: Add R-Car V3U device tree bindings
dt-bindings: pwm: imx: add i.MX8QXP compatible
pwm: mediatek: Add support for MT7981
dt-bindings: pwm: mediatek: Add mediatek,mt7981 compatible
...
- Whitespace clean-ups in binding examples
- Restrict node name suffixes to "-[0-9]+" for cases of multiple
instances which don't have unit-addresses
- Convert brcm,kona-wdt and cdns,wdt-r1p2 watchdog bindings to DT schema
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Merge tag 'devicetree-for-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull more devicetree updates from Rob Herring:
- Whitespace clean-ups in binding examples
- Restrict node name suffixes to "-[0-9]+" for cases of multiple
instances which don't have unit-addresses
- Convert brcm,kona-wdt and cdns,wdt-r1p2 watchdog bindings to DT
schema
* tag 'devicetree-for-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: soc: qcom: stats: Update maintainer email
dt-bindings: cleanup DTS example whitespaces
dt-bindings: timestamp: restrict node name suffixes
dt-bindings: slimbus: restrict node name suffixes
dt-bindings: watchdog: restrict node name suffixes
dt-bindings: watchdog: brcm,kona-wdt: convert txt file to yaml
dt-bindings: watchdog: cdns,wdt-r1p2: Convert cadence watchdog to yaml
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Merge tag 'media/v6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Lots of improvement at atomisp driver, which is starting to look in
good shape
- Mediatek vcodec driver has gained support for av1 and hevc stateless
codecs
- New sensor driver: ov01a10
- verisilicon driver has gained AV1 entropy helpers
- tegra-video has gained support for Tegra20 parallel input
- dvb core has gained an extra property to better support DVB-S2X
- as usual, lots of cleanups, fixes and improvements on media drivers
* tag 'media/v6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (253 commits)
media: wl128x: fix a clang warning
media: dvb: mb86a20s: get rid of a clang-15 warning
media: cec: i2c: ch7322: also select REGMAP
media: add HAS_IOPORT dependencies
media: tc358746: select CONFIG_GENERIC_PHY
media: mediatek: vcodec: Add dbgfs help function
media: mediatek: vcodec: Add encode to support dbgfs
media: mediatek: vcodec: Change dbgfs interface to support encode
media: mediatek: vcodec: Get each instance format type
media: mediatek: vcodec: Get each context resolution information
media: mediatek: vcodec: Add a debugfs file to get different useful information
media: mediatek: vcodec: Add debug params to control different log level
media: mediatek: vcodec: Add debugfs interface to get debug information
media: mediatek: vcodec: support stateless AV1 decoder
media: verisilicon: Conditionally ignore native formats
media: verisilicon: Enable AV1 decoder on rk3588
media: verisilicon: Add film grain feature to AV1 driver
media: verisilicon: Add Rockchip AV1 decoder
media: verisilicon: Add AV1 entropy helpers
media: verisilicon: Compute motion vectors size for AV1 frames
...
intro
=====
When the RISC-V dt-bindings were accepted upstream in Linux, the base
ISA etc had yet to be ratified. By the ratification of the base ISA,
incompatible changes had snuck into the specifications - for example the
Zicsr and Zifencei extensions were spun out of the base ISA.
Fast forward to today, and the reason for this patch.
Currently the riscv,isa dt property permits only a specific subset of
the ISA string - in particular it excludes version numbering.
With the current constraints, it is not possible to discern whether
"rv64i" means that the hart supports the fence.i instruction, for
example.
Future systems may choose to implement their own instruction fencing,
perhaps using a vendor extension, or they may not implement the optional
counter extensions. Software needs a way to determine this.
versioning schemes
==================
"Use the extension versions that are described in the ISA manual" you
may say, and it's not like this has not been considered.
Firstly, software that parses the riscv,isa property at runtime will
need to contain a lookup table of some sort that maps arbitrary versions
to versions it understands. There is not a consistent application of
version number applied to extensions, with a higgledy-piggledy
collection of tags, "bare" and versioned documents awaiting the reader
on the "recently ratified extensions" page:
https://wiki.riscv.org/display/HOME/Recently+Ratified+Extensions
As an aside, and this is reflected in the patch too, since many
extensions have yet to appear in a release of the ISA specs,
they are defined by commits in their respective "working draft"
repositories.
Secondly, there is an issue of backwards compatibility, whereby allowing
numbers in the ISA string, some parsers may be broken. This would
require an additional property to be created to even use the versions in
this manner.
~boolean properties~ string array property
==========================================
If a new property is needed, the whole approach may as well be looked at
from the bottom up. A string with limited character choices etc is
hardly the best approach for communicating extension information to
software.
Switching to using properties that are defined on a per extension basis,
allows us to define explicit meanings for the DT representation of each
extension - rather than the current situation where different operating
systems or other bits of software may impart different meanings to
characters in the string.
Clearly the best source of meanings is the specifications themselves,
this just provides us the ability to choose at what point in time the
meaning is set. If an extension changes incompatibility in the future,
a new property will be required.
Off-list, some of the RVI folks have committed to shoring up the wording
in either the ISA specifications, the riscv-isa-manual or
so that in the future, modifications to and additions or removals of
features will require a new extension. Codifying that assertion
somewhere would make it quite unlikely that compatibility would be
broken, but we have the tools required to deal with it, if & when it
crops up.
It is in our collective interest, as consumers of extension meanings, to
define a scheme that enforces compatibility.
The use of individual elements, rather than a single string, will also
permit validation that the properties have a meaning, as well as
potentially reject mutually exclusive combinations, or enforce
dependencies between extensions. That would not have be possible with
the current dt-schema infrastructure for arbitrary strings, as we would
need to add a riscv,isa parser to dt-validate!
That's not implemented in this patch, but rather left as future work (for
the brave, or the foolish).
parser simplicity
=================
Many systems that parse DT at runtime already implement an function that
can check for the presence of a string in an array of string, as it is
similar to the process for parsing a list of compatible strings, so a
bunch of new, custom, DT parsing should not be needed.
Getting rid of "riscv,isa" parsing would be a nice simplification, but
unfortunately for backwards compatibility with old dtbs, existing
parsers may not be removable - which may greatly simplify
dt parsing code. In Linux, for example, checking for whether a hart
supports an extension becomes as simple as:
of_property_match_string(node, "riscv,isa-extensions", "zicbom")
vendor extensions
=================
Compared to riscv,isa, this proposed scheme promotes vendor extensions,
oft touted as the strength of RISC-V, to first-class citizens.
At present, extensions are defined as meaning what the RISC-V ISA
specifications say they do. There is no realistic way of using that
interface to provide cross-platform definitions for what vendor
extensions mean. Vendor extensions may also have even less consistency
than RVI do in terms of versioning, or no care about backwards
compatibility.
The new property allows us to assign explicit meanings on a per vendor
extension basis, backed up by a description of their meanings.
fin
===
Create a new file to store the extension meanings and a new
riscv,isa-base property to replace the aspect of riscv,isa that is
not represented by the new property - the base ISA implemented by a hart.
As a starting point, add properties for extensions currently used in
Linux.
Finally, mark riscv,isa as deprecated, as removing support for it in
existing programs would be an ABI break.
CC: Palmer Dabbelt <palmer@dabbelt.com>
CC: Paul Walmsley <paul.walmsley@sifive.com>
CC: Rob Herring <robh+dt@kernel.org>
CC: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
CC: Alistair Francis <alistair.francis@wdc.com>
CC: Andrew Jones <ajones@ventanamicro.com>
CC: Anup Patel <apatel@ventanamicro.com>
CC: Atish Patra <atishp@atishpatra.org>
CC: Jessica Clarke <jrtc27@jrtc27.com>
CC: Rick Chen <rick@andestech.com>
CC: Leo <ycliang@andestech.com>
CC: Oleksii <oleksii.kurochko@gmail.com>
CC: linux-riscv@lists.infradead.org
CC: qemu-riscv@nongnu.org
CC: u-boot@lists.denx.de
CC: devicetree@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230702-eats-scorebook-c951f170d29f@spud
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki).
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada).
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar).
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang).
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar).
- Add support for TI's AM62A7 platform (Vibhore Vardhan).
- Add support for Armada's ap807 platform (Russell King (Oracle)).
- Add support for StarFive JH7110 SoC (Mason Huo).
- Fix voltage selection for Mediatek Socs (Daniel Golle).
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET).
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko).
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier).
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney).
- Simplify performance state related logic in the OPP core (Viresh
Kumar).
- Fix use-after-free and improve locking around lazy_opp_tables (Viresh
Kumar, Stephan Gerhold).
- Minor cleanups - using dev_err_probe() and rate-limiting debug
messages (Andrew Halaney, Adrián Larumbe).
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Merge tag 'pm-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These add support for new hardware (ap807 and AM62A7), fix several
issues in cpufreq drivers and in the operating performance points
(OPP) framework, fix up intel_idle after recent changes and add
documentation.
Specifics:
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki)
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada)
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar)
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang)
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar)
- Add support for TI's AM62A7 platform (Vibhore Vardhan)
- Add support for Armada's ap807 platform (Russell King (Oracle))
- Add support for StarFive JH7110 SoC (Mason Huo)
- Fix voltage selection for Mediatek Socs (Daniel Golle)
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET)
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko)
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier)
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney)
- Simplify performance state related logic in the OPP core (Viresh
Kumar)
- Fix use-after-free and improve locking around lazy_opp_tables
(Viresh Kumar, Stephan Gerhold)
- Minor cleanups - using dev_err_probe() and rate-limiting debug
messages (Andrew Halaney, Adrián Larumbe)"
* tag 'pm-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
cpufreq: intel_pstate: Fix scaling for hybrid-capable systems with disabled E-cores
cpufreq: Make CONFIG_CPUFREQ_DT_PLATDEV depend on OF
intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()
OPP: Properly propagate error along when failing to get icc_path
OPP: Use dev_err_probe() when failing to get icc_path
cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths
cpufreq: mediatek: correct voltages for MT7622 and MT7623
cpufreq: armada-8k: add ap807 support
OPP: Simplify the over-designed pstate <-> level dance
OPP: pstate is only valid for genpd OPP tables
OPP: don't drop performance constraint on OPP table removal
OPP: Protect `lazy_opp_tables` list with `opp_table_lock`
OPP: Staticize `lazy_opp_tables` in of.c
cpufreq: dt-platdev: Support building as module
opp: Fix use-after-free in lazy_opp_tables after probe deferral
dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ8074
cpufreq: dt-platdev: Blacklist ti,am62a7 SoC
cpufreq: ti-cpufreq: Add support for AM62A7
OPP: rate-limit debug messages when no change in OPP is required
cpufreq: imx6q: don't warn for disabling a non-existing frequency
...
driver updates needed more time to bake in linux-next.
Updates:
- Support for more clk controllers in Qualcomm SoCs such as SM8350,
SM8450, SDX75, SC8280XP, and IPQ9574
- Runtime PM enablement of some more Qualcomm clk controllers
- Various fixes to Qualcomm clk driver data to use correct clk_ops
and to check halt bits properly
- AT91 updates to modernize with clk_parent_data structures
Fixes:
- Remove "syscon" from dt binding fix for ti,j721e-system-controller
- Fix determine rate in the Tegra driver that got wrecked by the
refactorting of muxes this merge window
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"Another set of clk driver updates and fixes for the merge window. The
driver updates needed more time to bake in linux-next.
Updates:
- Support for more clk controllers in Qualcomm SoCs such as SM8350,
SM8450, SDX75, SC8280XP, and IPQ9574
- Runtime PM enablement of some more Qualcomm clk controllers
- Various fixes to Qualcomm clk driver data to use correct clk_ops
and to check halt bits properly
- AT91 updates to modernize with clk_parent_data structures
Fixes:
- Remove 'syscon' from dt binding fix for ti,j721e-system-controller
- Fix determine rate in the Tegra driver that got wrecked by the
refactorting of muxes this merge window"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (69 commits)
clk: tegra: Avoid calling an uninitialized function
dt-bindings: mfd: ti,j721e-system-controller: Remove syscon from example
clk: at91: sama7g5: s/ep_chg_chg_id/ep_chg_id
clk: at91: sama7g5: switch to parent_hw and parent_data
clk: at91: sckc: switch to parent_data/parent_hw
clk: at91: clk-sam9x60-pll: add support for parent_hw
clk: at91: clk-utmi: add support for parent_hw
clk: at91: clk-system: add support for parent_hw
clk: at91: clk-programmable: add support for parent_hw
clk: at91: clk-peripheral: add support for parent_hw
clk: at91: clk-master: add support for parent_hw
clk: at91: clk-generated: add support for parent_hw
clk: at91: clk-main: add support for parent_data/parent_hw
clk: qcom: gcc-sc8280xp: Add runtime PM
clk: qcom: gpucc-sc8280xp: Add runtime PM
clk: qcom: mmcc-msm8974: fix MDSS_GDSC power flags
clk: qcom: gpucc-sm6375: Enable runtime pm
dt-bindings: clock: sm6375-gpucc: Add VDD_GX
clk: qcom: gcc-sm6115: Add missing PLL config properties
clk: qcom: clk-alpha-pll: Add a way to update some bits of test_ctl(_hi)
...
* Add new Qualcomm PMI8998/PM660 SMB2 charger
* bq256xx: support systems without thermistors
* cros_pchg: fix peripheral device status after system resume
* axp20x_usb_power: add support for AXP192
* qcom-pon: add support for pm8941
* at91-reset: prepare to expose reset reason to sysfs
* switch all I2C drivers back to use .probe instead of .probe_new
* convert some more DT bindings to YAML
* misc. cleanups
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Merge tag 'for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- Add new Qualcomm PMI8998/PM660 SMB2 charger
- bq256xx: support systems without thermistors
- cros_pchg: fix peripheral device status after system resume
- axp20x_usb_power: add support for AXP192
- qcom-pon: add support for pm8941
- at91-reset: prepare to expose reset reason to sysfs
- switch all I2C drivers back to use .probe instead of .probe_new
- convert some more DT bindings to YAML
- misc cleanups
* tag 'for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
MAINTAINERS: add documentation file for Microchip SAMA5D2 shutdown controller
dt-bindings: power: reset: atmel,sama5d2-shdwc: convert to yaml
dt-bindings: power: reset: atmel,at91sam9260-shdwc: convert to yaml
power: reset: at91-reset: change the power on reason prototype
power: reset: qcom-pon: add support for pm8941-pon
dt-bindings: power: reset: qcom-pon: define pm8941-pon
power: supply: add Qualcomm PMI8998 SMB2 Charger driver
dt-bindings: power: supply: qcom,pmi8998-charger: add bindings for smb2 driver
power: supply: rt9467: Make charger-enable control as logic level
power: supply: Switch i2c drivers back to use .probe()
power: reset: add HAS_IOPORT dependencies
dt-bindings: power: supply: axp20x: Add AXP192 compatible
power: supply: axp20x_usb_power: Add support for AXP192
power: supply: axp20x_usb_power: Remove variant IDs from VBUS polling check
power: supply: axp20x_usb_power: Use regmap field for VBUS disabling
power: supply: axp20x_usb_power: Use regmap fields for USB BC feature
power: supply: axp20x_usb_power: Use regmap fields for VBUS monitor feature
power: supply: axp20x_usb_power: Simplify USB current limit handling
power: supply: hwmon: constify pointers to hwmon_channel_info
power: supply: twl4030_madc_battery: Refactor twl4030_madc_bat_ext_changed()
...
The bulk of these patches relates to the moving to a void-returning
remove callback.
The i.MX HiFi remoteproc driver gets its pm_ops helpers updated to
resolve build warnings about "defined but not used" variables in certain
configurations.
The ST STM32 remoteproc driver is extended to allow using a SCMI reset
controller to hold boot, and has an error message corrected.
The Qualcomm Q6V5 PAS driver gains a missing "static" qualifier on
adsp_segment_dump().
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Merge tag 'rproc-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"The bulk of these patches relates to the moving to a void-returning
remove callback.
The i.MX HiFi remoteproc driver gets its pm_ops helpers updated to
resolve build warnings about 'defined but not used' variables in
certain configurations.
The ST STM32 remoteproc driver is extended to allow using a SCMI reset
controller to hold boot, and has an error message corrected.
The Qualcomm Q6V5 PAS driver gains a missing 'static' qualifier on
adsp_segment_dump()"
* tag 'rproc-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (23 commits)
remoteproc: qcom_q6v5_pas: staticize adsp_segment_dump()
remoteproc: stm32: Fix error code in stm32_rproc_parse_dt()
remoteproc: stm32: Allow hold boot management by the SCMI reset controller
dt-bindings: remoteproc: st,stm32-rproc: Rework reset declarations
remoteproc: imx_dsp_rproc: use modern pm_ops
remoteproc: wkup_m3: Convert to platform remove callback returning void
remoteproc: stm32: Convert to platform remove callback returning void
remoteproc: st: Convert to platform remove callback returning void
remoteproc: virtio: Convert to platform remove callback returning void
remoteproc: rcar: Convert to platform remove callback returning void
remoteproc: qcom_wcnss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_wcss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_pas: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_mss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_adsp: Convert to platform remove callback returning void
remoteproc: pru: Convert to platform remove callback returning void
remoteproc: omap: Convert to platform remove callback returning void
remoteproc: mtk_scp: Convert to platform remove callback returning void
remoteproc: meson_mx_ao_arc: Convert to platform remove callback returning void
remoteproc: keystone: Convert to platform remove callback returning void
...
