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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The core framework gained a clk provider helper, a clk consumer
helper, and some unit tests for the assigned clk rates feature in
DeviceTree. On the vendor driver side, we gained a whole pile of SoC
driver support detailed below. The majority in the diffstat is
Qualcomm, but there's also quite a few Samsung and Mediatek clk driver
additions in here as well. The top vendors is quite common, but the
sheer amount of new drivers is uncommon, so I'm anticipating a larger
number of fixes for clk drivers this cycle.
Core:
- devm_clk_bulk_get_all_enabled() to return number of clks acquired
- devm_clk_hw_register_gate_parent_hw() helper to modernize drivers
- KUnit tests for clk-assigned-rates{,-u64}
New Drivers:
- Marvell PXA1908 SoC clks
- Mobileye EyeQ5, EyeQ6L and EyeQ6H clk driver
- TWL6030 clk driver
- Nuvoton Arbel BMC NPCM8XX SoC clks
- MediaTek MT6735 SoC clks
- MediaTek MT7620, MT7628 and MT7688 MMC clks
- Add a driver for gated fixed rate clocks
- Global clock controllers for Qualcomm QCS8300 and IPQ5424 SoCs
- Camera, display and video clock controllers for Qualcomm SA8775P
SoCs
- Global, display, GPU, TCSR, and RPMh clock controllers for Qualcomm
SAR2130P
- Global, camera, display, GPU, and video clock controllers for
Qualcomm SM8475 SoCs
- RTC power domain and Battery Backup Function (VBATTB) clock support
for the Renesas RZ/G3S SoC
- Qualcomm IPQ9574 alpha PLLs
- Support for i.MX91 CCM in the i.MX93 driver
- Microchip LAN969X SoC clks
- Cortex-A55 core clocks and Interrupt Control Unit (ICU) clock and
reset on Renesas RZ/V2H(P)
- Samsung ExynosAutov920 clk drivers for PERIC1, MISC, HSI0 and HSI1
- Samsung Exynos8895 clk drivers for FSYS0/1, PERIC0/1, PERIS and TOP
Updates:
- Convert more clk bindings to YAML
- Various clk driver cleanups: NULL checks, add const, etc.
- Remove END/NUM #defines that count number of clks in various
binding headers
- Continue moving reset drivers to drivers/reset via auxiliary bus"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (162 commits)
clk: clk-loongson2: Fix potential buffer overflow in flexible-array member access
clk: Fix invalid execution of clk_set_rate
clk: clk-loongson2: Fix memory corruption bug in struct loongson2_clk_provider
clk: lan966x: make it selectable for ARCH_LAN969X
clk: eyeq: add EyeQ6H west fixed factor clocks
clk: eyeq: add EyeQ6H central fixed factor clocks
clk: eyeq: add EyeQ5 fixed factor clocks
clk: eyeq: add fixed factor clocks infrastructure
clk: eyeq: require clock index with phandle in all cases
clk: fixed-factor: add clk_hw_register_fixed_factor_index() function
dt-bindings: clock: eyeq: add more Mobileye EyeQ5/EyeQ6H clocks
dt-bindings: soc: mobileye: set `#clock-cells = <1>` for all compatibles
clk: clk-axi-clkgen: make sure to enable the AXI bus clock
dt-bindings: clock: axi-clkgen: include AXI clk
clk: mmp: Add Marvell PXA1908 MPMU driver
clk: mmp: Add Marvell PXA1908 APMU driver
clk: mmp: Add Marvell PXA1908 APBCP driver
clk: mmp: Add Marvell PXA1908 APBC driver
dt-bindings: clock: Add Marvell PXA1908 clock bindings
clk: mmp: Switch to use struct u32_fract instead of custom one
...
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'clk-allwinner' into clk-next
* clk-samsung:
clk: samsung: Introduce Exynos8895 clock driver
clk: samsung: clk-pll: Add support for pll_{1051x,1052x}
dt-bindings: clock: samsung: Add Exynos8895 SoC
clk: samsung: gs101: make all ufs related clocks critical
clk: samsung: exynosautov920: add peric1, misc and hsi0/1 clock support
dt-bindings: clock: exynosautov920: add peric1, misc and hsi0/1 clock definitions
clk: samsung: Fix out-of-bound access of of_match_node()
dt-bindings: clock: samsung: remove define with number of clocks for FSD
clk: samsung: fsd: do not define number of clocks in bindings
clk: samsung: Fix errors reported by checkpatch
clk: samsung: Fix block comment style warnings reported by checkpatch
* clk-microchip:
clk: lan966x: add support for lan969x SoC clock driver
clk: lan966x: prepare driver for lan969x support
clk: lan966x: make clk_names const char * const
dt-bindings: clock: add support for lan969x
* clk-imx:
clk: imx: imx8-acm: Fix return value check in clk_imx_acm_attach_pm_domains()
clk: imx: lpcg-scu: Skip HDMI LPCG clock save/restore
clk: imx: clk-scu: fix clk enable state save and restore
clk: imx: fracn-gppll: fix pll power up
clk: imx: fracn-gppll: correct PLL initialization flow
clk: imx: lpcg-scu: SW workaround for errata (e10858)
clk: imx: add i.MX91 clk
dt-bindings: clock: Add i.MX91 clock support
dt-bindings: clock: imx93: Drop IMX93_CLK_END macro definition
clk: imx93: Move IMX93_CLK_END macro to clk driver
clk: imx95-blk-ctl: Add one clock gate for HSIO block
dt-bindings: clock: nxp,imx95-blk-ctl: Add compatible string for i.MX95 HSIO BLK CTRL
* clk-amlogic:
clk: amlogic: axg-audio: fix Kconfig dependency on RESET_MESON_AUX
clk: amlogic: axg-audio: use the auxiliary reset driver
reset: amlogic: Fix small whitespace issue
reset: amlogic: add auxiliary reset driver support
reset: amlogic: split the device core and platform probe
reset: amlogic: move drivers to a dedicated directory
reset: amlogic: add reset status support
reset: amlogic: use reset number instead of register count
reset: amlogic: add driver parameters
reset: amlogic: make parameters unsigned
reset: amlogic: use generic data matching function
reset: amlogic: convert driver to regmap
dt-bindings: clock: convert amlogic,meson8b-clkc.txt to dtschema
clk: meson: meson8b: remove spinlock
clk: meson: mpll: Delete a useless spinlock from the MPLL
clk: meson: s4: pll: fix frac maximum value for hifi_pll
clk: meson: c3: pll: fix frac maximum value for hifi_pll
clk: meson: Support PLL with fixed fractional denominators
clk: meson: s4: pll: hifi_pll support fractional multiplier
* clk-allwinner:
clk: sunxi-ng: Use of_property_present() for non-boolean properties
clk: sunxi-ng: d1: Fix PLL_AUDIO0 preset
clk: sunxi-ng: Constify struct ccu_reset_map
clk: sunxi-ng: h616: Add sigma-delta modulation settings for audio PLL
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Add NPCM8xx clock controller auxiliary bus device registration.
The NPCM8xx clock controller is registered as an aux device because the
reset and the clock controller share the same register region.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Tested-by: Benjamin Fair <benjaminfair@google.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240912191038.981105-3-tmaimon77@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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soc/drivers
Reset controller updates for v6.13
* Split the Amlogic reset-meson driver into platform and auxiliary
bus drivers. Add support for the reset controller in the G12 and
SM1 audio clock controllers.
* Replace the list of boolean parameters to the internal
reset_control_get functions with an enum reset_flags bitfield,
to make the code more self-descriptive.
* Add devres helpers to request pre-deasserted (and automatically
re-asserting during cleanup) reset controls. This allows reducing
boilerplate in drivers that deassert resets for the lifetime of a
device.
* Use the new auto-deasserting devres helpers in reset-uniphier-glue
as an example.
* Add support for the LAN966x PCI device in drivers/misc, as a
dependency for the following reset-microchip-sparx5 patches.
* Add support for being used on the LAN966x PCI device to the
reset-microchip-sparx5 driver.
Commit 86f134941a4b ("MAINTAINERS: Add the Microchip LAN966x PCI driver
entry") introduces a trivial merge conflict with commit 7280f01e79cc
("net: lan969x: add match data for lan969x") from the net-next tree [1].
[1] https://lore.kernel.org/all/20241101122505.3eacd183@canb.auug.org.au/
* tag 'reset-for-v6.13' of git://git.pengutronix.de/pza/linux: (21 commits)
misc: lan966x_pci: Fix dtc warn 'Missing interrupt-parent'
misc: lan966x_pci: Fix dtc warns 'missing or empty reg/ranges property'
reset: mchp: sparx5: set the dev member of the reset controller
reset: mchp: sparx5: Allow building as a module
reset: mchp: sparx5: Add MCHP_LAN966X_PCI dependency
reset: mchp: sparx5: Map cpu-syscon locally in case of LAN966x
MAINTAINERS: Add the Microchip LAN966x PCI driver entry
misc: Add support for LAN966x PCI device
reset: uniphier-glue: Use devm_reset_control_bulk_get_shared_deasserted()
reset: Add devres helpers to request pre-deasserted reset controls
reset: replace boolean parameters with flags parameter
reset: amlogic: Fix small whitespace issue
reset: amlogic: add auxiliary reset driver support
reset: amlogic: split the device core and platform probe
reset: amlogic: move drivers to a dedicated directory
reset: amlogic: add reset status support
reset: amlogic: use reset number instead of register count
reset: amlogic: add driver parameters
reset: amlogic: make parameters unsigned
reset: amlogic: use generic data matching function
...
Link: https://lore.kernel.org/r/20241105105229.3729474-1-p.zabel@pengutronix.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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In order to guarantee the device will not be deleted by the reset
controller consumer, set the dev member of the reset controller.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20241014124636.24221-7-herve.codina@bootlin.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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This reset controller can be used by the LAN966x PCI device.
The LAN966x PCI device driver can be built as a module and this reset
controller driver has no reason to be a builtin driver in that case.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20241014124636.24221-6-herve.codina@bootlin.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The sparx5 reset controller depends on the SPARX5 architecture or the
LAN966x SoC.
This reset controller can be used by the LAN966x PCI device and so it
needs to be available when the LAN966x PCI device is enabled.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20241014124636.24221-5-herve.codina@bootlin.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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In the LAN966x PCI device use case, the syscon API cannot be used as
it does not support device removal [1]. A syscon device is a core
"system" device and not a device available in some addon boards and so,
it is not supposed to be removed. The syscon API follows this assumption
but this assumption is no longer valid in the LAN966x use case.
In order to avoid the use of the syscon API and so, support for removal,
use a local mapping of the syscon device.
Link: https://lore.kernel.org/all/20240923100741.11277439@bootlin.com/ [1]
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20241014124636.24221-4-herve.codina@bootlin.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Replace the pattern devm_reset_control_bulk_get_shared() /
reset_control_bulk_deassert() / devm_add_action_or_reset()
with devm_reset_control_bulk_get_shared_deasserted() for
some reduction in boilerplate.
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240925-reset-get-deasserted-v2-3-b3601bbd0458@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Add devres helpers
- devm_reset_control_bulk_get_exclusive_deasserted
- devm_reset_control_bulk_get_optional_exclusive_deasserted
- devm_reset_control_bulk_get_optional_shared_deasserted
- devm_reset_control_bulk_get_shared_deasserted
- devm_reset_control_get_exclusive_deasserted
- devm_reset_control_get_optional_exclusive_deasserted
- devm_reset_control_get_optional_shared_deasserted
- devm_reset_control_get_shared_deasserted
to request and immediately deassert reset controls. During cleanup,
reset_control_assert() will be called automatically on the returned
reset controls.
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240925-reset-get-deasserted-v2-2-b3601bbd0458@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Introduce enum reset_control_flags and replace the list of boolean
parameters to the internal reset_control_get functions with a single
flags parameter, before adding more boolean options.
The separate boolean parameters have been shown to be error prone in
the past. See for example commit a57f68ddc886 ("reset: Fix devm bulk
optional exclusive control getter").
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240925-reset-get-deasserted-v2-1-b3601bbd0458@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Fix a checkpatch --strict issue:
CHECK: Alignment should match open parenthesis
#48: FILE: drivers/reset/amlogic/reset-meson-common.c:48:
+static int meson_reset_level(struct reset_controller_dev *rcdev,
+ unsigned long id, bool assert)
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20240930-reset-align-amlogic-v1-1-f64ed5c4efc1@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Add support for the reset controller present in the audio clock
controller of the g12 and sm1 SoC families, using the auxiliary bus.
This is expected to replace the driver currently present directly
within the related clock driver.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-9-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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To prepare the addition of the auxiliary device support, split
out the device coomon functions from the probe of the platform device.
The device core function will be common to both the platform and auxiliary
driver.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-8-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The meson reset driver will be split in two part, one implemeting the ops,
the other providing the platform driver support. This will be done to
facilitate the addition of the auxiliary bus support.
To avoid making a mess in drivers/reset/ while doing so, move the amlogic
reset drivers to a dedicated directory.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-7-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Add a callback to check the status of the level reset, as done in
the reset driver of the audio clock controller.
This is done keep the functionality when the audio reset controller
get migrated to meson-reset.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-6-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The reset driver from audio clock controller may register less
reset than a register can hold. To avoid making any change while
switching to auxiliary support, use the number of reset instead of the
register count to define the bounds of the reset controller.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-5-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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To allow using the same driver for the main reset controller and the
auxiliary ones embedded in the clock controllers, allow to customise
the reset offset, same as the level offset. Also add an option to make
the level reset active low or high.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-4-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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register count and offset cannot be negative. Use unsigned integer
for this.
Suggested-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-3-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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There is no need to use the DT specific function to get
matching data, use the generic one instead
Suggested-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-2-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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To allow using the same driver for the main reset controller and the
auxiliary ones embedded in the clock controllers, convert the
the Amlogic reset driver to regmap.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240910-meson-rst-aux-v5-1-60be62635d3e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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data->asserted will be NULL on JH7110 SoC since commit 82327b127d41
("reset: starfive: Add StarFive JH7110 reset driver") was added. Add
the judgment condition to avoid errors when calling reset_control_status
on JH7110 SoC.
Fixes: 82327b127d41 ("reset: starfive: Add StarFive JH7110 reset driver")
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Acked-by: Hal Feng <hal.feng@starfivetech.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240925112442.1732416-1-changhuang.liang@starfivetech.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Replace a comma between expression statements by a semicolon.
Signed-off-by: Yan Zhen <yanzhen@vivo.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240909061258.2246292-1-yanzhen@vivo.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Add Mobileye EyeQ reset controller driver, for EyeQ5, EyeQ6L and EyeQ6H
SoCs. Instances belong to a shared register region called OLB and gets
spawned as auxiliary device to the platform driver for clock.
There is one OLB instance for EyeQ5 and EyeQ6L. There are seven OLB
instances on EyeQ6H; three have a reset controller embedded:
- West and east get handled by the same compatible.
- Acc (accelerator) is another one.
Each instance vary in the number and types of reset domains.
Instances with single domain expect a single cell, others two.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://lore.kernel.org/r/20240730-mbly-reset-v2-2-00b870a6a2ff@bootlin.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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There are 7 sets of Reset Source in Amlogic T7 SoC reset controller,
and the offset between base and level registers is 0x40.
Add a new compatible string and struct meson_reset_param to support
the reset controller on T7 SoC.
Signed-off-by: Zelong Dong <zelong.dong@amlogic.com>
Signed-off-by: Kelvin Zhang <kelvin.zhang@amlogic.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240422-t7-reset-v2-2-cb82271d3296@amlogic.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Since the rcdev structure is allocated by the reset controller drivers
themselves, they need to exists as long as there is a consumer. A call to
module_get() is already existing but that does not work when using
device-tree overlays. In order to guarantee that the underlying reset
controller device does not vanish while using it, add a get_device() call
when retrieving a reset control from a reset controller device and a
put_device() when releasing that control.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240808154658.247873-8-herve.codina@bootlin.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Use devm_clk_get_enabled() to drop clock prepare/unprepare parts and
make the code simpler. Change to dev_err_probe() in handling
reset_controller_register() error to make it even simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://lore.kernel.org/r/20240825-reset-cleanup-scoped-v1-5-03f6d834f8c0@linaro.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Use dev_err_probe() to avoid dmesg flood on actual defer. This makes
the code also simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://lore.kernel.org/r/20240825-reset-cleanup-scoped-v1-4-03f6d834f8c0@linaro.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Simplify error handling (less gotos) over locks with guard().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240825-reset-cleanup-scoped-v1-3-03f6d834f8c0@linaro.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Driver is leaking OF node reference on memory allocation failure.
Acquire the OF node reference after memory allocation to fix this and
keep it simple.
Fixes: 5a2308da9f60 ("riscv: Add Canaan Kendryte K210 reset controller")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240825-reset-cleanup-scoped-v1-2-03f6d834f8c0@linaro.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Driver is leaking OF node reference on memory allocation failure.
Acquire the OF node reference after memory allocation to fix this and
keep it simple.
Fixes: aed6f3cadc86 ("reset: berlin: convert to a platform driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240825-reset-cleanup-scoped-v1-1-03f6d834f8c0@linaro.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core changes for 6.11-rc1.
Lots of stuff in here, with not a huge diffstat, but apis are evolving
which required lots of files to be touched. Highlights of the changes
in here are:
- platform remove callback api final fixups (Uwe took many releases
to get here, finally!)
- Rust bindings for basic firmware apis and initial driver-core
interactions.
It's not all that useful for a "write a whole driver in rust" type
of thing, but the firmware bindings do help out the phy rust
drivers, and the driver core bindings give a solid base on which
others can start their work.
There is still a long way to go here before we have a multitude of
rust drivers being added, but it's a great first step.
- driver core const api changes.
This reached across all bus types, and there are some fix-ups for
some not-common bus types that linux-next and 0-day testing shook
out.
This work is being done to help make the rust bindings more safe,
as well as the C code, moving toward the end-goal of allowing us to
put driver structures into read-only memory. We aren't there yet,
but are getting closer.
- minor devres cleanups and fixes found by code inspection
- arch_topology minor changes
- other minor driver core cleanups
All of these have been in linux-next for a very long time with no
reported problems"
* tag 'driver-core-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
ARM: sa1100: make match function take a const pointer
sysfs/cpu: Make crash_hotplug attribute world-readable
dio: Have dio_bus_match() callback take a const *
zorro: make match function take a const pointer
driver core: module: make module_[add|remove]_driver take a const *
driver core: make driver_find_device() take a const *
driver core: make driver_[create|remove]_file take a const *
firmware_loader: fix soundness issue in `request_internal`
firmware_loader: annotate doctests as `no_run`
devres: Correct code style for functions that return a pointer type
devres: Initialize an uninitialized struct member
devres: Fix memory leakage caused by driver API devm_free_percpu()
devres: Fix devm_krealloc() wasting memory
driver core: platform: Switch to use kmemdup_array()
driver core: have match() callback in struct bus_type take a const *
MAINTAINERS: add Rust device abstractions to DRIVER CORE
device: rust: improve safety comments
MAINTAINERS: add Danilo as FIRMWARE LOADER maintainer
MAINTAINERS: add Rust FW abstractions to FIRMWARE LOADER
firmware: rust: improve safety comments
...
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Philipp didn't come around to send a pull request in the last
development cycle. His next branch only contains patches converting
three platform drivers to stop using .remove().
They are merged with his consent to be able to change the prototype of
.remove() in the upcoming development cycle.
Link: https://lore.kernel.org/all/9b7e1a88a812f5c86ada75b094c95b9cf65891c3.camel@pengutronix.de/
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/ab374da386cafd6748aac5bdf66e6be3e1860509.1709674157.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/e75fb1af5c7df5fc4073a26a99ba88633503910d.1709674157.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/dbca07bad345abe7ca421515004987acf1cb41c2.1709674157.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"The updates to the mediatek, allwinner, ti, tegra, microchip, stm32,
samsung, imx, zynq and amlogic platoforms are fairly small maintenance
changes, either addressing minor mistakes or enabling additional
hardware.
The qualcomm platform changes add a number of features and are larger
than the other ones combined, introducing the use of linux/cleanup.h
across several drivers, adding support for Snapdragon X1E and other
SoCs in platform drivers, a new "protection domain mapper" driver, and
a "shared memory bridge" driver.
The cznic "turris omnia" router based on Marvell Armada gets a
platform driver that talks to the board specific microcontroller.
The reset and cache subsystems get a few minor updates to SoC specific
drivers, while the ff-a, scmi and optee firmware drivers get some code
refactoring and new features"
* tag 'soc-drivers-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (122 commits)
firmware: turris-mox-rwtm: Initialize completion before mailbox
firmware: turris-mox-rwtm: Fix checking return value of wait_for_completion_timeout()
firmware: turris-mox-rwtm: Do not complete if there are no waiters
MAINTAINERS: drop riscv list from cache controllers
platform: cznic: turris-omnia-mcu: fix Kconfig dependencies
bus: sunxi-rsb: Constify struct regmap_bus
soc: sunxi: sram: Constify struct regmap_config
platform: cznic: turris-omnia-mcu: Depend on WATCHDOG
platform: cznic: turris-omnia-mcu: Depend on OF
soc: samsung: exynos-pmu: add support for PMU_ALIVE non atomic registers
arm64: stm32: enable scmi regulator for stm32
firmware: qcom: tzmem: blacklist more platforms for SHM Bridge
soc: qcom: wcnss: simplify with cleanup.h
soc: qcom: pdr: simplify with cleanup.h
soc: qcom: ocmem: simplify with cleanup.h
soc: qcom: mdt_loader: simplify with cleanup.h
soc: qcom: llcc: simplify with cleanup.h
firmware: qcom: tzmem: simplify returning pointer without cleanup
soc: qcom: socinfo: Add PM6350 PMIC
arm64: dts: renesas: rz-smarc: Replace fixed regulator for USB VBUS
...
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As per RZ/G2L HW manual, VBUS enable can be controlled by the VBOUT bit
of the VBUS Control Register(VBENCTL) register in the USBPHY Control.
Expose this register as regmap and instantiate the USB VBUS regulator
device, so that consumer can control the vbus using regulator API's
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20240702180032.207275-3-biju.das.jz@bp.renesas.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The Tegra BPMP reset driver can be compiled without TEGRA_BPMP being
enabled. Allow it to be built under COMPILE_TEST.
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20240625-reset-compile-bpmp-v1-1-647e846303d8@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The i.MX8MP AudioMix reset controller is only present on Freescale i.MX8
SoCs. Hence add a dependency on ARCH_MXC, to prevent asking the user
about this driver when configuring a kernel without i.MX SoC support.
Fixes: fe125601d17cc1ea ("reset: imx8mp-audiomix: Add AudioMix Block Control reset driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/6d8116a56186fbf468229e823c7c8dfcd9488959.1719316665.git.geert+renesas@glider.be
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The ZynqMP reset driver can be compiled without ARCH_ZYNQMP being
enabled. Allow it to be built under COMPILE_TEST.
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20240621-reset-compile-zynqmp-v1-1-ede43ab18101@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Add support for the resets on i.MX8MP Audio Block Control module,
which includes the EARC PHY software reset and EARC controller
software reset. The reset controller is created using the auxiliary
device framework and set up in the clock driver.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/1719200345-32006-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Use devm_clk_get_enabled() to reduce a bit of boilerplate and to
disable the clock in case devm_reset_controller_register() fails.
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20240621-reset-devm-clk-get-enabled-v1-1-8408c7962b6c@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The STIH407 reset driver can be compiled without ARCH_STI being
enabled. Allow it to be built under COMPILE_TEST.
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20240621-reset-compile-sti-v1-1-b7a66ce29911@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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As soon as the reset controller is registered, it could be used by a
reset consumer. That means hardware setup to be done first and then the
registration of the reset controller. So move the registration of reset
controller at the end of probe().
While at it, fix the issue that the reset is not re-asserted in case
devm_reset_controller_register() fails and also use goto statements to
simplify the error path in probe().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240610164845.89666-1-biju.das.jz@bp.renesas.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/reset/hisilicon/hi6220_reset.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240607-md-drivers-reset-v1-1-5d317ff8e3bd@quicinc.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The GPIO reset controller uses gpiolib but there is no Kconfig
dependency reflecting this fact, add one.
With the addition of the controller to the arm64 defconfig this is
causing build breaks for arm64 virtconfig in -next:
aarch64-linux-gnu-ld: drivers/reset/core.o: in function `__reset_add_reset_gpio_lookup':
/build/stage/linux/drivers/reset/core.c:861:(.text+0xccc): undefined reference to `gpio_device_find_by_fwnode'
Fixes: cee544a40e44 ("reset: gpio: Add GPIO-based reset controller")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240325-reset-gpiolib-deps-v2-1-3ed2517f5f53@kernel.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"I'm actually surprised this time. There aren't any new Qualcomm SoC
clk drivers. And there's zero diff in the core clk framework.
Instead we have new clk drivers for STM and Sophgo, with
Samsung^WGoogle in third for the diffstat because they introduced HSI0
and HSI2 clk drivers for Google's GS101 SoC (high speed interface
things like PCIe, UFS, and MMC).
Beyond those big diffs there's the usual updates to various clk
drivers for incorrect parent descriptions or mising
MODULE_DEVICE_TABLE()s, etc. Nothing in particular stands out as super
interesting here.
New Drivers:
- STM32MP257 SoC clk driver
- Airoha EN7581 SoC clk driver
- Sophgo CV1800B, CV1812H and SG2000 SoC clk driver
- Loongson-2k0500 and Loongson-2k2000 SoC clk driver
- Add HSI0 and HSI2 clock controllers for Google GS101
- Add i.MX95 BLK CTL clock driver
Updates:
- Allocate clk_ops dynamically for SCMI clk driver
- Add support in qcom RCG and RCG2 for multiple configurations for
the same frequency
- Use above support for IPQ8074 NSS port 5 and 6 clocks to resolve
issues
- Fix the Qualcomm APSS IPQ5018 PLL to fix boot failures of some
boards
- Cleanups and fixes for Qualcomm Stromer PLLs
- Reduce max CPU frequency on Qualcomm APSS IPQ5018
- Fix Kconfig dependencies of Qualcomm SM8650 GPU and SC8280XP camera
clk drivers
- Make Qualcomm MSM8998 Venus clocks functional
- Cleanup downstream remnants related to DisplayPort across Qualcomm
SM8450, SM6350, SM8550, and SM8650
- Reuse the Huayra APSS register map on Qualcomm MSM8996 CBF PLL
- Use a specific Qualcomm QCS404 compatible for the otherwise generic
HFPLL
- Remove Qualcomm SM8150 CPUSS AHB clk as it is unused
- Remove an unused field in the Qualcomm RPM clk driver
- Add missing MODULE_DEVICE_TABLE to Qualcomm MSM8917 and MSM8953
global clock controller drivers
- Allow choice of manual or firmware-driven control over PLLs, needed
to fully implement CPU clock controllers on Exynos850
- Correct PLL clock IDs on ExynosAutov9
- Propagate certain clock rates to allow setting proper SPI clock
rates on Google GS101
- Mark certain Google GS101 clocks critical
- Convert old S3C64xx clock controller bindings to DT schema
- Add new PLL rate and missing mux on Rockchip rk3568
- Add missing reset line on Rockchip rk3588
- Removal of an unused field in struct rockchip_mmc_clock
- Amlogic s4/a1: add regmap maximum register for proper debugfs dump
- Amlogic s4: add MODULE_DEVICE_TABLE() on pll and periph controllers
- Amlogic pll driver: print clock name on lock error to help debug
- Amlogic vclk: finish dsi clock path support
- Amlogic license: fix occurence "GPL v2" as reported by checkpatch
- Add PM runtime support to i.MX8MP Audiomix
- Add DT schema for i.MX95 Display Master Block Control
- Convert to platform remove callback returning void for i.MX8MP
Audiomix
- Add SPI (MSIOF) and external interrupt (INTC-EX) clocks on Renesas
R-Car V4M
- Add interrupt controller (PLIC) clock and reset on Renesas RZ/Five
- Prepare power domain support for Renesas RZ/G2L family members, and
add actual support on Renesas RZ/G3S SoC
- Add thermal, serial (SCIF), and timer (CMT/TMU) clocks on Renesas
R-Car V4M
- Add additional constraints to Allwinner A64 PLL MIPI clock
- Fix autoloading sunxi-ng clocks when build as a module"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (118 commits)
clk: samsung: Don't register clkdev lookup for the fixed rate clocks
clk, reset: microchip: mpfs: fix incorrect preprocessor conditions
clk: qcom: clk-alpha-pll: fix rate setting for Stromer PLLs
clk: qcom: apss-ipq-pll: fix PLL rate for IPQ5018
clk: qcom: Fix SM_GPUCC_8650 dependencies
clk: qcom: Fix SC_CAMCC_8280XP dependencies
dt-bindings: clocks: stm32mp25: add access-controllers description
clock, reset: microchip: move all mpfs reset code to the reset subsystem
clk: samsung: gs101: drop unused HSI2 clock parent data
clk: rockchip: rk3568: Add PLL rate for 724 MHz
clk: rockchip: Remove an unused field in struct rockchip_mmc_clock
dt-bindings: clock: fixed: Define a preferred node name
clk: meson: s4: fix module autoloading
clk: samsung: gs101: mark some apm UASC and XIU clocks critical
clk: imx: imx8mp: Convert to platform remove callback returning void
clk: imx: imx8mp: Switch to RUNTIME_PM_OPS()
clk: bcm: rpi: Assign ->num before accessing ->hws
clk: bcm: dvp: Assign ->num before accessing ->hws
clk: samsung: gs101: add support for cmu_hsi2
clk: samsung: gs101: add support for cmu_hsi0
...
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Stephen and Philipp, while reviewing patches, said that all of the aux
device creation and the register read/write code could be moved to the
reset subsystem, leaving the clock driver with no implementations of
reset_* functions at all. Move them.
Suggested-by: Philipp Zabel <p.zabel@pengutronix.de>
Suggested-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240424-strangle-sharpener-34755c5e6e3e@spud
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Since SOC_FOO should be deprecated from patch [1], and cleanup for other
SoCs is already in the mailing list [2,3,4,5], we remove the use of
SOC_CANAAN and introduced SOC_CANAAN_K210 for K210-specific drivers,
Thus, we replace its drivers depends on SOC_CANAAN_K210 and default select
when it has the symbol SOC_CANAAN_K210.
[1] https://lore.kernel.org/linux-riscv/20221121221414.109965-1-conor@kernel.org/
[2] https://lore.kernel.org/linux-riscv/20240305-praying-clad-c4fbcaa7ed0a@spud/
[3] https://lore.kernel.org/linux-riscv/20240305-fled-undrilled-41dc0c46bb29@spud/
[4] https://lore.kernel.org/linux-riscv/20240305-stress-earflap-d7ddb8655a4d@spud/
[5] https://lore.kernel.org/linux-riscv/20240305-praying-clad-c4fbcaa7ed0a@spud/
Signed-off-by: Yangyu Chen <cyy@cyyself.name>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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