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The main change this time is the introduction of the drivers/genpd
subsystem that gets split out from drivers/soc to keep common
functionality together. Ulf Hansson is taking over maintainership for
these and is sending a separate pull request with the same commits,
but they are in the soc drivers tree to avoid conflicts against other
soc driver patches.
The SCMI driver subsystem gets an update to version 3.2 of the
specification. There are also updates to memory, reset and other firmware
drivers.
On the soc driver side, the updates are mostly cleanups across a number
of Arm platforms. On driver for loongarch adds power management for DT
based systems, another driver is for HiSilicon's Arm server chips with
their HCCS system health interface.
The remaining updates for the most part add support for additional
hardware in existing drivers or contain minor cleanups. Most of these
are for the Qualcomm Snapdragon platform.
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Merge tag 'soc-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"The main change this time was the introduction of the drivers/genpd
subsystem that gets split out from drivers/soc to keep common
functionality together.
The SCMI driver subsystem gets an update to version 3.2 of the
specification. There are also updates to memory, reset and other
firmware drivers.
On the soc driver side, the updates are mostly cleanups across a
number of Arm platforms. On driver for loongarch adds power management
for DT based systems, another driver is for HiSilicon's Arm server
chips with their HCCS system health interface.
The remaining updates for the most part add support for additional
hardware in existing drivers or contain minor cleanups. Most of these
are for the Qualcomm Snapdragon platform"
* tag 'soc-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (136 commits)
bus: fsl-mc: Use common ranges functions
soc: kunpeng_hccs: fix some sparse warnings about incorrect type
soc: loongson2_pm: add power management support
soc: dt-bindings: add loongson-2 pm
soc: rockchip: grf: Fix SDMMC not working on RK3588 with bus-width > 1
genpd: rockchip: Add PD_VO entry for rv1126
bus: ti-sysc: Fix cast to enum warning
soc: kunpeng_hccs: add MAILBOX dependency
MAINTAINERS: remove OXNAS entry
dt-bindings: interrupt-controller: arm,versatile-fpga-irq: mark oxnas compatible as deprecated
irqchip: irq-versatile-fpga: remove obsolete oxnas compatible
soc: qcom: aoss: Tidy up qmp_send() callers
soc: qcom: aoss: Format string in qmp_send()
soc: qcom: aoss: Move length requirements from caller
soc: kunpeng_hccs: fix size_t format string
soc: ti: k3-socinfo.c: Add JTAG ID for AM62PX
dt-bindings: firmware: qcom: scm: Updating VMID list
firmware: imx: scu-irq: support identifying SCU wakeup source from sysfs
firmware: imx: scu-irq: enlarge the IMX_SC_IRQ_NUM_GROUP
firmware: imx: scu-irq: add imx_scu_irq_get_status
...
and starts moving some of the corresponding code in there.
We have currently ~60 users of the genpd provider interface, which are
sprinkled across various subsystems. To release some burden from the soc
maintainers (Arnd Bergmann, etc) in particular, but also to gain a better
overall view of what goes on in the area, I will help out with maintenance.
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Merge tag 'genpd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull ARM SoC generic power domain driver updates from Ulf Hansson:
"This adds a new subsystem for generic power domain providers in
drivers/genpd and starts moving some of the corresponding code in
there.
We have currently ~60 users of the genpd provider interface, which are
sprinkled across various subsystems. To release some burden from the
soc maintainers (Arnd Bergmann, etc) in particular, but also to gain a
better overall view of what goes on in the area, I will help out with
maintenance"
[ I find the "genpd" name singularly uninformative, so we'll probably
end up moving this driver subsystem somewhere else, but that's still
being discussed - Linus ]
* tag 'genpd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (30 commits)
genpd: ti: Use for_each_node_with_property() simplify code logic
genpd: Explicitly include correct DT includes
genpd: imx: scu-pd: initialize is_off according to HW state
genpd: imx: scu-pd: Suppress bind attrs
genpd: imx: scu-pd: do not power off console if no_console_suspend
genpd: imx: scu-pd: add more PDs
genpd: imx: scu-pd: enlarge PD range
genpd: imx: relocate scu-pd under genpd
MAINTAINERS: adjust file entry in STARFIVE JH71XX PMU CONTROLLER DRIVER
genpd: Makefile: build imx
genpd: move owl-sps-helper.c from drivers/soc
soc: starfive: remove stale Makefile entry
ARM: ux500: Move power-domain driver to the genpd dir
ARM: ux500: Convert power-domain code into a regular platform driver
soc: xilinx: Move power-domain driver to the genpd dir
soc: ti: Mover power-domain drivers to the genpd dir
soc: tegra: Move powergate-bpmp driver to the genpd dir
soc: sunxi: Move power-domain driver to the genpd dir
soc: starfive: Move the power-domain driver to the genpd dir
soc: samsung: Move power-domain driver to the genpd dir
...
The current code default set is_off to true except console resource,
this implies bootloader should power off all the resources it uses.
But this is not always true, let's check the HW state and set is_off.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This driver is registered as platform driver, but removing and binding
again would cause system not workable. So suppress bind attrs.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Do not power off console if no_console_suspend, this will leave
the serial device's corresponding PM domain on during system suspend,
which is useful for debug system suspend.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add more PDs for i.MX8QM and i.MX8DXL, including
dma-ch, esai, gpu1, v2x-mu, seco-mu, hdmi, img and etc.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
There are 5 LPI2C, 5 LPUART and 32 DMA0 Channel resources per imx_rsrc.h,
and they are in i.MX8QM, so enlarge the PD range for them.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Move scu-pd driver under genpd directory where the driver
should be.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
- A series from NXP i.MX developers (Peng Fan, etc.) to update imx-scu
and imx-scu-irq firmware drivers.
- Add dedicated lockdep class for nested genpd locks to fix a lockdep
warning in imx93-blk-ctrl driver.
- A change from Rob to explicitly include correct DT headers for i.MX
SoC drivers.
- Use devm_platform_ioremap_resource() in imx-weim bus driver.
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Merge tag 'imx-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/drivers
i.MX drivers update for 6.6:
- A series from NXP i.MX developers (Peng Fan, etc.) to update imx-scu
and imx-scu-irq firmware drivers.
- Add dedicated lockdep class for nested genpd locks to fix a lockdep
warning in imx93-blk-ctrl driver.
- A change from Rob to explicitly include correct DT headers for i.MX
SoC drivers.
- Use devm_platform_ioremap_resource() in imx-weim bus driver.
* tag 'imx-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
firmware: imx: scu-irq: support identifying SCU wakeup source from sysfs
firmware: imx: scu-irq: enlarge the IMX_SC_IRQ_NUM_GROUP
firmware: imx: scu-irq: add imx_scu_irq_get_status
firmware: imx: scu-irq: fix RCU complaint after M4 partition reset
firmware: imx: scu: use EOPNOTSUPP
firmware: imx: scu: use soc name for soc_id
firmware: imx: scu: increase RPC timeout
firmware: imx: scu: change init level to subsys_initcall_sync
soc: imx: Explicitly include correct DT includes
bus: imx-weim: use devm_platform_ioremap_resource
soc: imx: imx93-blk-ctrl: Add dedicated lockdep class for nested genpd locks
Link: https://lore.kernel.org/r/20230813133354.847010-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
To simplify with maintenance let's move the imx power-domain drivers to the
new genpd directory. Going forward, patches are intended to be managed
through a separate git tree, according to MAINTAINERS.
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: <kernel@pengutronix.de>
Cc: <linux-imx@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
