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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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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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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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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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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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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: 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: 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: Peng Fan <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
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After discussion with the devicetree maintainers we agreed to not extend
lists with the generic compatible "apple,pmgr-pwrstate" anymore [1]. Use
"apple,t8103-pmgr-pwrstate" as base compatible as it is the SoC driver
and bindings were originally written for.
The t602x (M2 Pro/Max/Ultra) devicetrees submitted in [2] use this
compatible as fallback instead of "apple,pmgr-pwrstate".
Link: https://lore.kernel.org/asahi/[email protected]/ [1]
Link: https://lore.kernel.org/asahi/[email protected]/ [2]
Signed-off-by: Janne Grunau <[email protected]>
Acked-by: Mark Kettenis <[email protected]>
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Update dev_power_domain_ctrl() to log a warning if the power-domain
driver is not found (-ENODEV). Return 0 in this case to allow continued
execution, while preserving error handling for other failures.
Reviewed-by: Varadarajan Narayanan <[email protected]>
Signed-off-by: Aswin Murugan <[email protected]>
Reviewed-by: Sumit Garg <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
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Added support for Qualcomm RPMH power domain driver, responsible
for managing power domains on Qualcomm SoCs. This is a port of
the Linux RPMHPD driver [1] and sa8775p related changes. The
power domain driver currently has support to power on and off
MMCX power domain of sa8775p; support for other soc entries power
domains are stubbed, in future, the required soc support can be
added.
[1]:
https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/pmdomain/qcom/rpmhpd.c?id=3d25d46a255a83f94d7d4d4216f38aafc8e116b
Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Balaji Selvanathan <[email protected]>
Signed-off-by: Aswin Murugan <[email protected]>
Reviewed-by: Sumit Garg <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
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Prepare v2026.04-rc4
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Similar to pinctrl_select_state(), add dev_has_ofnode() check before doing the
real work. Device(scmi_base.0) does not have a real device node, ofnode_null()
is assigned as the device tree node for scmi base protocol device:
'commit 7eb4eb541c14 ("firmware: scmi: install base protocol to SCMI agent")'
However with recent update in
'commit 0535e46d55d7 ("scripts/dtc: Update to upstream version v1.7.2-35-g52f07dcca47c")',
SPL panic in fdt_check_node_offset_()->fdt_next_tag(), because offset is -1
and SPL_OF_LIBFDT_ASSUME_MASK is 0xFF.
So need to validate device tree node.
Reported-by: Ye Li <[email protected]>
Closes: https://lore.kernel.org/u-boot/[email protected]/
Signed-off-by: Peng Fan <[email protected]>
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Peng Fan (OSS) <[email protected]> says:
This patch set primarily removes unused DECLARE_GLOBAL_DATA_PTR
instances.
Many files declare DECLARE_GLOBAL_DATA_PTR and include
asm/global_data.h even though gd is never used. In these cases,
asm/global_data.h is effectively treated as a proxy header, which is
not a good practice.
Following the Include What You Use principle, files should include
only the headers they actually depend on, rather than relying on
global_data.h indirectly. This approach is also adopted in Linux kernel
[1].
The first few patches are prepartion to avoid building break after
remove the including of global_data.h.
A script is for filtering the files:
list=`find . -name "*.[ch]"`
for source in ${list}
do
result=`sed -n '/DECLARE_GLOBAL_DATA_PTR/p' ${source}`
if [ "${result}" == "DECLARE_GLOBAL_DATA_PTR;" ]; then
echo "Found in ${source}"
result=`sed -n '/\<gd\>/p' ${source}`
result2=`sed -n '/\<gd_/p' ${source}`
result3=`sed -n '/\<gd->/p' ${source}`
if [ "${result}" == "" ] && [ "${result2}" == "" ] && [ "${result3}" == "" ];then
echo "Cleanup ${source}"
sed -i '/DECLARE_GLOBAL_DATA_PTR/{N;/\n[[:space:]]*$/d;s/.*\n//;}' ${source}
sed -i '/DECLARE_GLOBAL_DATA_PTR/d' ${source}
sed -i '/global_data.h/d' ${source}
git add ${source}
fi
fi
done
[1] https://lpc.events/event/17/contributions/1620/attachments/1228/2520/Linux%20Kernel%20Header%20Optimization.pdf
CI: https://github.com/u-boot/u-boot/pull/865
Link: https://lore.kernel.org/r/[email protected]
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Remove DECLARE_GLOBAL_DATA_PTR from files where gd is not used, and
drop the unnecessary inclusion of asm/global_data.h.
Headers should be included directly by the files that need them,
rather than indirectly via global_data.h.
Reviewed-by: Patrice Chotard <[email protected]> #STMicroelectronics boards and STM32MP1 ram test driver
Tested-by: Anshul Dalal <[email protected]> #TI boards
Acked-by: Yao Zi <[email protected]> #TH1520
Signed-off-by: Peng Fan <[email protected]>
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TARGET namespace is for machines / boards / what-have-you that
building U-Boot for. Simply replace from TARGET to ARCH
make things more clear and proper for ALL SoCFPGA.
Signed-off-by: Brian Sune <[email protected]>
Reviewed-by: Tien Fong Chee <[email protected]>
# Conflicts:
# drivers/ddr/altera/Makefile
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Upstream DT uses simple-pm-bus instead of simple-bus. simple-pm-bus
requires power domain support. On am33xx, PRM manages power domains but
all domains are enabled at boot. Add stub driver with custom of_xlate
that expects no argumetns to allow simple-pm-bus and dependent devices
to probe.
Signed-off-by: Markus Schneider-Pargmann (TI.com) <[email protected]>
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The helper function "ti_pd_get()" is responsible for powering on a
domain if it is powered off. In the current implementation, if a power
domain is determined to be powered off - no prior users and the PDCTL
register indicates that the user desired state is OFF, then powering on
the domain constitutes setting 'PDCTL_STATE_ON' field of the PDCTL
register.
While the current implementation indeed requests the power domain to be
transition to the ON state, the helper function "ti_pd_get()" doesn't
verify that the power domain has 'transitioned' to the ON state before
returning to its caller. As a result, it is possible that the device(s)
belonging to the power domain may be accessed before it is truly powered
on, leading to a bus abort.
Fix this by waiting for the power domain to transition to the ON state
by using "ti_pd_wait()" before returning from "ti_pd_get()".
Fixes: 144464bd2c67 ("power: domain: Introduce driver for raw TI K3 PDs")
Signed-off-by: Siddharth Vadapalli <[email protected]>
Tested-by: Hrushikesh Salunke <[email protected]>
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Some drivers which depend on SoCFPGA specific headers had not had
appropriate dependencies list in Kconfig. Add ARCH_SOCFPGA or
TARGET_SOCFPGA_SOC64 where appropriate.
Signed-off-by: Tom Rini <[email protected]>
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Currently xilinx_pm_request API supports four u32 payloads. However the
legacy SMC format supports five u32 request payloads and extended SMC
format supports six u32 request payloads. Add support for the same in
xilinx_pm_request API. Also add two dummy arguments to all the callers
of xilinx_pm_request.
The TF-A always fills seven u32 return payload so add support
for the same in xilinx_pm_request API.
Signed-off-by: Naman Trivedi <[email protected]>
Signed-off-by: Venkatesh Yadav Abbarapu <[email protected]>
Acked-by: Senthil Nathan Thangaraj <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Link: https://lore.kernel.org/r/5ae6b560741f3ca8b89059c4ebb87acf75b4718e.1756388537.git.michal.simek@amd.com
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Agilex5 FSBL is required to disable the power of unused peripheral SRAM
blocks to reduce power consumption.
Introducing a new power manager driver for Agilex5 which will be called
as part of Agilex5 SPL initialization process.
This driver will read the peripheral handoff data obtained from the
bitstream and will power off the specified peripheral's SRAM from the
handoff data values.
Signed-off-by: Alif Zakuan Yuslaimi <[email protected]>
Reviewed-by: Tien Fong Chee <[email protected]>
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