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The TPS65219 bind function continues when the regulators subnode is
missing. This causes pmic_bind_children() to be called with an invalid
ofnode and permits a misleading message indicating that the subnode
was found.
Return -ENXIO when the regulators subnode is absent, matching the
behavior of other TI PMIC drivers.
Signed-off-by: Kumara Bhimeswararao Matsa <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Add regulator support for NXP PMIC pf9453 for imx91 qsb.
Reviewed-by: Ye Li <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Joy Zou <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
Rebased [1] on main and LDO SNVS access / checkpatch fixed. See also [2]
[1] https://patchwork.ozlabs.org/project/uboot/patch/[email protected]/
[2] https://lists.u-boot-project.org/pipermail/u-boot/2026-July/625613.html
Signed-off-by: Krzysztof Drobiński <[email protected]>
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Support NXP PMIC pf9453.
Reviewed-by: Ye Li <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Joy Zou <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
Rebased [1] on main and checkpatch fixed. See also [2]
[1] https://patchwork.ozlabs.org/project/uboot/patch/[email protected]/
[2] https://lists.u-boot-project.org/pipermail/u-boot/2026-July/625613.html
Signed-off-by: Krzysztof Drobiński <[email protected]>
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The SCMI IDs did not change between SDK SCP 4.32 and SDK SCP 4.36.
Add SDK SCP 4.36 as supported version and reuse SDK SCP 4.32 remap
table.
Signed-off-by: Marek Vasut <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Add the power domain driver for the MediaTek MT8188 SoC. It describes
the SoC's power domains (MFG, display, camera, codec, ADSP, PCIe, ...)
as a table of mtk_scp_domain_data entries and reuses the shared scpsys
core through the power-controller probe, including the per-domain power
status offsets and the ordered infracfg bus-protection steps.
The domain tables and ordered bus-protection sequences mirror the
Linux mt8188-pm-domains.h data.
Signed-off-by: Chris-QJ Chen <[email protected]>
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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The current driver handles a flat scpsys node with a single, fixed set
of power status registers and one infracfg bus-protection mask. Newer
MediaTek SoCs describe their domains as child nodes of a power
controller and need a richer model:
- per-domain power status register offsets (pwr_sta_offs /
pwr_sta2nd_offs), falling back to the legacy SPM_PWR_STATUS
registers when not set;
- an ordered list of bus-protection steps (scpsys_bus_prot_data /
BUS_PROT_WR), each with its own set/clear/status register, applied
on power-off and released in reverse on power-on;
- per-domain clocks and an optional parent power domain.
Add mtk_power_controller_probe(), which walks the controller's subnodes,
resolves each domain's id, clocks and infracfg, and builds the domain
tree. The existing flat probe (mtk_scpsys_probe) is left unchanged.
No functional change for the existing MT7623/MT7629 drivers.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Prepare for support of future MediaTek SoCs by renaming struct
mtk_scp_domain to struct mtk_scpsys.
Upcoming SoCs require additional per-domain runtime data obtained from
Device Tree. To keep the domain_data description in soc_data static
const, a new wrapper structure will be introduced to combine the
immutable domain_data description with the runtime data. The natural
name for that wrapper is struct mtk_scp_domain, so free that name by
renaming the existing runtime state structure to struct mtk_scpsys.
Update the MT7623 and MT7629 drivers accordingly.
No functional change intended.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Rename the flat, single-node probe to mtk_scpsys_probe so that the name
mtk_power_domain_probe can be reused for an upcoming nested
(power-controller) probe. Update the MT7623 and MT7629 drivers
accordingly.
No functional change intended.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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The per-SoC match data currently points directly at the array of
mtk_scp_domain_data. Wrap it in a new struct mtk_scp_soc_data that
carries the table pointer together with its size, and add a
MTK_SCP_SOC_DATA() helper that fills both from a single table definition
via ARRAY_SIZE().
The num_domains field is not used yet; it is added here so that upcoming
SoC support can validate the domain index coming from the device tree
against the size of the table.
No functional change intended.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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In order to prepare addition of future SoC, split the current driver
into common shared code and SoC specific drivers:
- mtk-power-domain.c now only holds the common register access and
power on/off/request/probe logic plus the shared power_domain_ops.
- mtk-power-domain.h exposes the register definitions, the mtk_scp_domain
data structures and the core helpers to the per-SoC drivers.
- mt7623-power-domain.c and mt7629-power-domain.c each hold their own
domain table and U_BOOT_DRIVER registration. The mt7629 driver also
matches the mt7622 compatible, preserving the previous behaviour.
Update the mt7622, mt7623 and mt7629 defconfigs to select the matching
per-SoC driver.
No functional change intended.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Make all scp_domain_data instances static const by removing the mutable
scpd member from struct scp_domain_data.
Refactor mtk_scpsys_domain_is_on() to take struct power_domain as
parameter instead of struct mtk_scp_domain_data and remove
mtk_scpsys_power_request(), which only existed to associate a struct
scp_domain with struct scp_domain_data.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Prefix internal functions, variables, and struct tags with the mtk_
prefix to avoid namespace collisions.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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The driver mapped each compatible to an enum scp_domain_type via the
match data, then used mtk_power_domain_hook() to switch on that enum
and select the per-SoC domain table. This forces every new SoC to add
an enum value and a switch case in shared code.
Store a pointer to the per-SoC table directly in the match data and
drop the enum, the type field, and mtk_power_domain_hook(). This keeps
per-SoC information in the match data where it belongs, making it
possible to later split the SoC-specific tables into standalone drivers.
No functional change intended.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Upstream DT bindings define "mediatek,mt7623-scpsys" to fall back to
"mediatek,mt2701-scpsys". Align the driver with this convention by
using MT2701 naming throughout.
This also allows the driver to use the upstream
dts/upstream/include/dt-bindings/power/mt2701-power.h header instead of
the local include/dt-bindings/power/mt7623-power.h, since both expose
equivalent power domain definitions.
Rename scp_domain_mt7623 to scp_domain_mt2701, replace SCPSYS_MT7623
enum by SCPSYS_MT2701, and switch all MT7623 power domain defines to
their MT2701 equivalents.
Note:
we intentionally keep the explicit "mediatek,mt7623-scpsys"
compatible entry to avoid breaking legacy boards
(mt7623a_unielec_u7623_02 and mt7623n_bpir2_defconfig) that didn't
switched yet to OF_UPSTREAM. Same for
include/dt-bindings/power/mt7623-power.h that is only used in these
boards.
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Upstream DT bindings define "mediatek,mt7629-scpsys" to fall back to
"mediatek,mt7622-scpsys". Align the driver with this convention by
using MT7622 naming throughout.
This also allows the driver to use the upstream
dts/upstream/include/dt-bindings/power/mt7622-power.h header instead of
the local include/dt-bindings/power/mt7629-power.h, since both expose
equivalent power domain definitions.
Rename scp_domain_mt7629 to scp_domain_mt7622, remove the
SCPSYS_MT7629 enum, and switch all MT7629 power domain defines to their
MT7622 equivalents.
Also drop the explicit "mediatek,mt7629-scpsys" compatible entry and
rely on the DT fallback instead.
Suggested-by: David Lechner <[email protected]>
Signed-off-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Sort the Makefile and Kconfig alphabetically.
No functional change.
Signed-off-by: Julien Stephan <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
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Support voltage regulator for Spacemit P1 SoC. It contains 6 BUCKs
and 11 LDOs.
Signed-off-by: Raymond Mao <[email protected]>
Acked-by: Peng Fan <[email protected]>
Signed-off-by: Guodong Xu <[email protected]>
Tested-by: Songsong Zhang <[email protected]>
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Spacemit's PMIC is used by Spacemit K1 SoC. It contains voltage
regulators, GPIOs and Watchdog.
Signed-off-by: Raymond Mao <[email protected]>
Signed-off-by: Guodong Xu <[email protected]>
Acked-by: Peng Fan <[email protected]>
Tested-by: Songsong Zhang <[email protected]>
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Add a UCLASS_I2C_EMUL driver that emulates a PMBus 1.x compliant chip
behind the sandbox I2C bus, plus the test.dts wiring and sandbox
defconfig that bind it to the generic PMBus regulator
(compatible = "pmbus"). This design is a stub only: it lets the
follow-up dm unit test drive lib/pmbus.c, the generic regulator and
the pmbus CLI command with no real hardware.
The emulator models a flat per-command 16-bit register file and the
three identification block strings (MFR_ID / MFR_MODEL /
MFR_REVISION). READ_IIN and READ_POUT are deliberately left
unimplemented (the chip NAKs them) so the telemetry printer's
"(not supported)" path is exercised, mirroring a real buck that only
calibrates a subset of the sensor classes.
Signed-off-by: Vincent Jardin <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Per-chip UCLASS_REGULATOR driver for the MPS MPQ8785 / MPM3695 /
MPM3695-25 / MPM82504 family, layered on the shared pmbus_helper
adapter. Runs Linux's mpq8785_identify() VOUT_MODE switch
(LINEAR16 vs DIRECT m=64 R=1) at probe time, applies the optional
mps,vout-fb-divider-ratio-permille DT property, and walks the
documented MPS ADDR_VBOOT windows on MFR_ID failure so a
die-revision address shift just works.
Publishes the pmbus mps last|clear last|clear force vendor
extension subcommands (NVM PROTECTION_LAST read and clear) when
CMD_PMBUS is enabled.
Adapted from Linux code.
Signed-off-by: Vincent Jardin <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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PMBus regulators differ in numeric formats and quirks, not in how they
are driven. Share that common behaviour as a regulator-uclass adapter
so chip drivers and the pmbus CLI do not each reimplement the decode
and transport, and add a catch-all driver on compatible = "pmbus" for
compliant chips that have no dedicated driver yet.
Gated by CONFIG_DM_REGULATOR_PMBUS_HELPER and
CONFIG_DM_REGULATOR_PMBUS_GENERIC.
Signed-off-by: Vincent Jardin <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Add a sandbox LDO3 with a configurable 1.8V to 3.3V range and use it
to test regulator_set_value_clamp().
Test in-range requests, clamping against the regulator limits, invalid
ranges outside the regulator limits and a min value higher than max.
Signed-off-by: Jonas Karlman <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Add regulator_set_value_clamp() that clamps a requested target voltage
to both caller-provided limits and the regulator constraints before
setting the regulator voltage value.
Return -EINVAL when the caller limits cannot be satisfied by the
regulator constraints or when the requested range is invalid.
This helper will initially be used to set vqmmc-supply voltage within an
acceptable range according to SD Standards, i.e. 1.70V-1.95V and
2.7V-3.6V.
Signed-off-by: Jonas Karlman <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Mikhail Kshevetskiy <[email protected]> says:
This patch series add pin controller and gpio driver support for EN7523/
AN7581/AN7583 SoCs. The driver based on official linux airoha pinctrl
and gpio driver with Matheus Sampaio Queiroga changes.
The original Matheus Sampaio Queiroga driver can be taken from the repo:
https://sirherobrine23.com.br/airoha_en7523/kernel/src/branch/airoha_en7523_pinctrl
Additionally in the EN7523 case the patches removes existing gpio dts
nodes and replaces them with pinctrl node. It should not be very
dangerous, because:
* No official EN7523 gpio support present in U-Boot
* Legacy Linux EN7523 GPIO driver is mostly abandoned
* The same driver is planned for upstream linux/openwrt
This patchset includes bitfield.h patches created for Linux kernel by
Geert Uytterhoeven. It suits U-Boot fine. I preserve original author and
original commit messages. Please note me, if there is a better way.
The patches were tested on EN7523/AN7581/AN7583 boards.
Link: https://lore.kernel.org/r/[email protected]
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Drop the driver-specific field_get() and field_prep() macros, in favor
of the globally available variants from <linux/bitfield.h>.
Signed-off-by: Mikhail Kshevetskiy <[email protected]>
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Prepare for the advent of globally available common field_get() and
field_prep() macros by undefining the symbols before defining local
variants. This prevents redefinition warnings from the C preprocessor
when introducing the common macros later.
Signed-off-by: Mikhail Kshevetskiy <[email protected]>
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When one power domain fails to get attribute, continue getting attribute
for remaining power domains, not return probe failure. So other power
domains are still functional.
It is possible that one power domain is assigned to other agent or this
power domain is disabled by HW fuse, so platform returns denied or other
error.
Signed-off-by: Ye Li <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Restyle all Kconfigs for "power":
Menu entries : no space left
Menu attributes: 1 TAB
Help text : 1 TAB + 2 spaces
Replace '---help---' by 'help'
Signed-off-by: Johan Jonker <[email protected]>
[trini: Add missing indentation on a few more multi-paragraph help texts]
Signed-off-by: Tom Rini <[email protected]>
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While restyling Kconfig the script checkpatch.pl gives
this info:
WARNING: 'refered' may be misspelled - perhaps 'referred'?
Fix by changing 'refered' to 'referred'.
Signed-off-by: Johan Jonker <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Prepare v2026.07-rc5
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Replace ofnode_find_subnode(dev_ofnode(dev), ...) with
dev_read_subnode(dev, ...).
No functional change.
Signed-off-by: Peng Fan <[email protected]>
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Replace ofnode_read_u32(dev_ofnode(dev), ...) with
dev_read_u32(dev, ...), ofnode_read_string(dev_ofnode(dev), ...) with
dev_read_string(dev, ...), and ofnode_for_each_subnode(node,
dev_ofnode(dev)) with dev_for_each_subnode(node, dev).
No functional change.
Reviewed-by: Casey Connolly <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Replace ofnode_read_string(dev_ofnode(dev), ...) with
dev_read_string(dev, ...).
No functional change.
Signed-off-by: Peng Fan <[email protected]>
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Replace ofnode_read_u32_index(dev_ofnode(dev), ...) with
dev_read_u32_index(dev, ...).
No functional change.
Reviewed-by: Casey Connolly <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Replace ofnode_read_bool(dev_ofnode(dev), ...) with
dev_read_bool(dev, ...).
No functional change.
Signed-off-by: Peng Fan <[email protected]>
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Replace ofnode_for_each_subnode(subnode, dev_ofnode(dev)) with
dev_for_each_subnode(subnode, dev) and ofnode_read_u32_default(
dev_ofnode(dev), ...) with dev_read_u32_default(dev, ...).
No functional change.
Signed-off-by: Peng Fan <[email protected]>
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Replace the manual ofnode_read_u32() + ofnode_get_by_phandle() sequence
with a single dev_read_phandle_with_args() call to resolve the
amlogic,hhi-sysctrl phandle. This is cleaner and avoids the intermediate
phandle value and ofnode_valid() check.
No functional change.
Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Replace the manual ofnode_read_u32() + ofnode_get_by_phandle() sequence
with a single dev_read_phandle_with_args() call to resolve the
amlogic,ao-sysctrl phandle. This is cleaner and avoids the intermediate
phandle value and ofnode_valid() check.
No functional change.
Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Use dev_read_addr_index() which supports both live device tree and flat DT
backends, avoiding direct dependency on devfdt_* helpers.
No functional changes.
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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SD initialization failure happens with some UHS-I SD cards on
iMX8MM/iMX93/iMX91 EVK after
commit 4fcba5d556b4 ("regulator: implement basic reference counter").
When sending operation condition to SD card, the OCR does not return
correct status. The root cause is regulator on/off delay is missed
in MMC power cycle with above commit, so SD card is not completely
power off.
When SD startup, the sequence of MMC power cycle is:
mmc_power_init(get vmmc_supply dev) -> mmc_power_off -> udelay(2000)
-> mmc_power_on
Before above commit, as a fixed regulator, the GPIO is set as:
GPIO inactive (in mmc_power_init) ->
GPIO inactive and delay off-on-delay-us (in mmc_power_off) ->
udelay(2000) ->
GPIO active (in mmc_power_on)
After the commit:
GPIO inactive (in mmc_power_init) ->
enable_count is 0, regulator_set_enable returns -EALREADY immediately,
so GPIO is inactive but No off-on-delay-us (in mmc_power_off) ->
udelay(2000) ->
GPIO active (in mmc_power_on)
Move the off-on-delay-us delay before setting GPIO active to fix the issue.
Signed-off-by: Ye Li <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Initial regulator mode was read from dts but never applied.
This caused a mismatch between saved mode and actual regulator mode.
Apply the current mode from priv->mode during enable() and move
rpmh_regulator_vrm_set_mode function before rpmh_regulator_set_enable_state().
Signed-off-by: Federico Amedeo Izzo <[email protected]>
Reviewed-by: Casey Connolly <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
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Prepare v2026.07-rc3
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Add Renesas R-Car R8A78000 X5H MDLC power domain and reset driver,
which serves as a remap driver between DT power domain and reset IDs
and SCMI power domain and reset IDs in case U-Boot runs on Cortex-A,
and as a direct hardware access driver for RSIP.
The R-Car X5H SCP firmware uses different SCMI power domain and
reset IDs in different versions of the SCP firmware, which makes
this remapping necessary. The SCMI base protocol version is updated
for each new SCP firmware version, it is therefore possible to
determine which SCP firmware version is running on the platform
from the base protocol and then determine which remapping table to
use for DT power domain and reset ID to SCMI power domain and reset
ID remapping.
Currently supported versions are SCP 4.28, 4.31, 4.32 .
The DT power domain and reset ID to SCMI power domain and reset ID
remap and call mechanism is simple. Unlike SCMI clock protocol driver,
the SCMI reset and power domain protocol drivers register only a single
device. This driver looks up that single device, obtains its reset or
power domain ops, sets up struct reset_ctl or struct power_domain with
remapped SCMI ID, and invokes operations directly on the device.
In case of RSIP, all power domains are already enabled by BootROM or
early SoC initialization code, the driver therefore only acts as a
stub for the power domain part. The reset part operates as a direct
hardware access reset driver.
Signed-off-by: Marek Vasut <[email protected]>
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https://gitlab.denx.de/u-boot/custodians/u-boot-imx into next
CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/30134
- Several conversions to OF_UPSTREAM.
- Added i.MX9 Quickboot support.
- Added support for i.MX952 in the fsl_enetc driver.
- Update i.MX91 part number detection.
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pmic_reg_read returns a negative value if an error occurs. This
commit adds a missing check after calling pmic_reg_read.
Signed-off-by: Francois Berder <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
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Set the ops structure as static const. The structure is not accessible
from outside of this driver and is not going to be modified at runtime.
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Michal Simek <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Set the ops structure as static const. The structure is not accessible
from outside of this driver and is not going to be modified at runtime.
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Set the ops structure as static const. The structure is not accessible
from outside of this driver and is not going to be modified at runtime.
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Set the ops structure as static const. The structure is not accessible
from outside of this driver and is not going to be modified at runtime.
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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Set the ops structure as static const. The structure is not accessible
from outside of this driver and is not going to be modified at runtime.
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: David Lechner <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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