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Change the regulator helpers to use common linear_ranges code.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/64f01d5e381b8631a271616b7790f9d5640974fb.1588944082.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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RK808 can leverage a couple of GPIOs to tweak the ramp rate during DVS
(Dynamic Voltage Scaling). These GPIOs are entirely optional but a
dev_warn() appeared when cleaning this driver to use a more up-to-date
gpiod API. At least reduce the log level to 'info' as it is totally
fine to not populate these GPIO on a hardware design.
This change is trivial but it is worth not polluting the logs during
bringup phase by having real warnings and errors sorted out
correctly.
Fixes: a13eaf02e2d6 ("regulator: rk808: make better use of the gpiod API")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20191203164709.11127-1-miquel.raynal@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The implement is exactly the same as rk808_set_suspend_voltage, so just
use rk808_set_suspend_voltage instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20191008010628.8513-3-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The default in rk817_set_ramp_delay is 25MV rather than 10MV.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20191008010628.8513-2-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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These regulator_ops variables never need to be modified, make them const so
compiler can put them to .rodata.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20191008010628.8513-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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-EINVAL is not a valid return value for .of_map_mode, return
REGULATOR_MODE_INVALID instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20190711122138.5221-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Set 'struct device' fwnode when registering a new device
New Drivers:
- Add support for ROHM BD70528 PMIC
New Device Support:
- Add support for LP87561 4-Phase Regulator to TI LP87565 PMIC
- Add support for RK809 and RK817 to Rockchip RK808
- Add support for Lid Angle to ChromeOS core
- Add support for CS47L15 CODEC to Madera core
- Add support for CS47L92 CODEC to Madera core
- Add support for ChromeOS (legacy) Accelerometers in ChromeOS core
- Add support for Add Intel Elkhart Lake PCH to Intel LPSS
New Functionality:
- Provide regulator supply information when registering; madera-core
- Additional Device Tree support; lp87565, madera, cros-ec, rohm,bd71837-pmic
- Allow over-riding power button press via Device Tree; rohm-bd718x7
- Differentiate between running processors; cros_ec_dev
Fix-ups:
- Big header file update; cros_ec_commands.h
- Split header per-subsystem; rohm-bd718x7
- Remove superfluous code; menelaus, cs5535-mfd, cs47lXX-tables
- Trivial; sorting, coding style; intel-lpss-pci
- Only remove Power Off functionality if set locally; rk808
- Make use for Power Off Prepare(); rk808
- Fix spelling mistake in header guards; stmfx
- Properly free IDA resources
- SPDX fixups; cs47lXX-tables, madera
- Error path fixups; hi655x-pmic
Bug Fixes:
- Add missing break in case() statement
- Repair undefined behaviour when not initialising variables; arizona-core, madera-core
- Fix reference to Device Tree documentation; madera"
* tag 'mfd-next-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (45 commits)
mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
mfd: madera: Fixup SPDX headers
mfd: madera: Remove some unused registers and fix some defaults
mfd: intel-lpss: Release IDA resources
mfd: intel-lpss: Add Intel Elkhart Lake PCH PCI IDs
mfd: cs5535-mfd: Remove ifdef OLPC noise
mfd: stmfx: Fix macro definition spelling
dt-bindings: mfd: Add link to ROHM BD71847 Datasheet
MAINAINERS: Swap words in INTEL PMIC MULTIFUNCTION DEVICE DRIVERS
mfd: cros_ec_dev: Register cros_ec_accel_legacy driver as a subdevice
mfd: rk808: Prepare rk805 for poweroff
mfd: rk808: Check pm_power_off pointer
mfd: cros_ec: differentiate SCP from EC by feature bit
dt-bindings: Add binding for cros-ec-rpmsg
mfd: madera: Add Madera core support for CS47L92
mfd: madera: Add Madera core support for CS47L15
mfd: madera: Update DT bindings to add additional CODECs
mfd: madera: Add supply mapping for MICVDD
mfd: madera: Fix potential uninitialised use of variable
mfd: madera: Fix bad reference to pinctrl.txt file
...
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Add support for the rk809 and rk817 regulator driver.
Their specifications are as follows：
1. The RK809 and RK809 consist of 5 DCDCs, 9 LDOs
and have the same registers for these components except dcdc5.
2. The dcdc5 is a boost dcdc for RK817 and is a buck for RK809.
3. The RK817 has one switch but The Rk809 has two.
The output voltages are configurable and are meant to supply power
to the main processor and other components.
Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
Acked-by: Mark Brown <broonie@kernel.org>
[rebased on top of 5.2-rc1]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 263 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It looks like linear range is suitable to describe the voltage table
for rk805 buck1/2:
selector 0 ~ 59: 0.7125V with uV_step = 12500
selector 60 ~ 62: 1.8V with uV_step = 200000
selector 63: 2.3V
With this change, then rk805 buck1/2 can reuse rk808_reg_ops_ranges.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Mark Brown <broonie@kernel.org>
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RK805 has the following voltage range for the BUCK1 and BUCK2 regulators:
From 0.7125V to 1.45V in 12.5mV steps, 1.8V, 2V, 2.2V and 2.3V
, which corresponds to the following values as per the RK805
datasheet:
000 000: 0.7125V
000 001: 0.725V
……
111 011: 1.45V
111 100: 1.8V
111 101: 2.0V
111 110: 2.2V
111 111: 2.3V
This means that the voltage range is not linear and so RK805 can not
reuse the same regulator_ops structure from RK808.
Fix it by creating a list with the correct supported voltage values
for RK805 BUCK1 and BUCK2 regulators.
Tested on a rv1108-elgin-r1 board that now correctly reports a BUCK2
voltage of 2.2V instead of the unsupported value of 1.4875V.
Fixes: c4e0d344c1f0 ("regulator: rk808: Add regulator driver for RK805")
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This driver also supports RK805 now.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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While at it, also fix indent for rk805_reg_ops and rk805_switch_ops.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add support for the rk805 regulator. The regulator module consists
of 4 DCDCs, 3 LDOs.
The output voltages are configurable and are meant to supply power
to the main processor and other components.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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'regulator/fix/rk808' and 'regulator/fix/tps65023' into regulator-linus
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Set the correct voltage select register for LDO2.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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RK808_ID_DCDC1 is 0, no need to do subtract RK808_ID_DCDC1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core framework:
- Add the MFD bindings doc to MAINTAINERS
New drivers:
- X-Powers AC100 Audio CODEC and RTC
- TI LP873x PMIC
- Rockchip RK808 PMIC
- Samsung Exynos Low Power Audio
New device support:
- Add support for STMPE1600 variant to stmpe
- Add support for PM8018 PMIC to pm8921-core
- Add support for AXP806 PMIC in axp20x
- Add support for AXP209 GPIO in axp20x
New functionality:
- Add support for Reset to all STMPE variants
- Add support for MKBP event support to cros_ec
- Add support for USB to intel_soc_pmic_bxtwc
- Add support for IRQs and Power Button to tps65217
Fix-ups:
- Clean-up defunct author emails (da9063, max14577)
- Kconfig fixups (wm8350-i2c, as37220
- Constify (altera-a10sr, sm501)
- Supply PCI IDs (intel-lpss-pci)
- Improve clocking (qcom_rpm)
- Fix IRQ probing (ucb1x00-core)
- Ensure fault log is cleared (da9052)
- Remove NO_IRQ check (ucb1x00-core)
- Supply I2C properties (intel-lpss-acpi, intel-lpss-pci)
- Non standard declaration (tps65217, max8997-irq)
- Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs,
cros_ec_spi)
- Make non-modular (altera-a10sr, intel_msic, smsc-ece1099,
sun6i-prcm, twl-core)
- OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x,
lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona)
Bugfixes:
- Release OF pointer (qcom_rpm)
- Avoid double shifting in suspend/resume (88pm80x)
- Fix 'defined but not used' error (exynos-lpass)
- Fix 'sleeping whilst attomic' (atmel-hlcdc)"
* tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
mfd: arizona: Handle probe deferral for reset GPIO
mfd: arizona: Remove arizona_of_get_named_gpio helper function
mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config
mfd: twl6040: Register child device for twl6040-pdmclk
mfd: cros_ec_spi: Remove unused variable 'request'
mfd: omap-usb-host: Return value is not 'const int'
mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine()
mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem()
mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls
mfd: ab8500-debugfs: Prevent initialised field from being over-written
mfd: max8997-irq: 'inline' should be at the beginning of the declaration
mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer
mfd: tps65217: Fix nonstandard declaration
mfd: lp873x: Remove unused mutex lock from struct lp873x
mfd: atmel-hlcdc: Do not sleep in atomic context
mfd: exynos-lpass: Mark PM functions as __maybe_unused
mfd: intel-lpss: Add default I2C device properties for Apollo Lake
mfd: twl-core: Make it explicitly non-modular
mfd: sun6i-prcm: Make it explicitly non-modular
mfd: smsc-ece1099: Make it explicitly non-modular
...
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Add support for the rk818 regulator. The regulator module consists
of 4 DCDCs, 9 LDOs, 1 switch and 1 BOOST converter which is used to
power OTG and HDMI5V.
The output voltages are configurable and are meant to supply power
to the main processor and other components.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The field "owner" is set by core. Thus delete an extra initialisation.
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
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A common simplified DT parsing code for regulators was introduced in
commit a0c7b164ad11 ("regulator: of: Provide simplified DT parsing
method")
While at it also added RK8XX_DESC and RK8XX_DESC_SWITCH macros for the
regulator_desc struct initialization. This just makes the driver more compact.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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LDO_REG3 descriptor is using linear_ranges.
Add and use proper ops for LDO_REG3.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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After removing all uses of the range operations in a recent patch,
we get a warning about the symbol not being referenced anywhere:
drivers/regulator/rk808-regulator.c:306:29: 'rk808_reg_ops_ranges' defined but not used
This removes the now-unused structure along with the
rk808_set_suspend_voltage_range function that is only referenced from
rk808_reg_ops_ranges.
Fixes: afcd666d9db0 ("regulator: rk808: remove linear range definitions with a single range")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The driver was using only linear ranges. Now we remove linear range
definitions with a single range. So we have to add an ops struct for
ranges and adjust all other ops functions accordingly.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The gpiod functions include variants for managed gpiod resources. Use it
to simplify the remove function.
As the driver handles a device node without a specification of dvs gpios
just fine, additionally use the variant of gpiod_get exactly for this
use case. This makes error checking more strict.
As a third benefit this patch makes the driver use the flags parameter
of gpiod_get* which will not be optional any more after 4.2 and so
prevents a build failure when the respective gpiod commit is merged.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This fixes a build problem on mips found by the kbuild test robot:
drivers/regulator/rk808-regulator.c: In function 'rk808_buck1_2_get_voltage_sel_regmap':
drivers/regulator/rk808-regulator.c:97:2: error: implicit declaration of function 'gpiod_get_value' [-Werror=implicit-function-declaration]
if (IS_ERR(gpio) || gpiod_get_value(gpio) == 0)
^
Fixes: bad47ad2eef3 ("regulator: rk808: fixed the overshoot when adjust voltage")
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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There is a overshoot in DCDC1/DCDC2, we have 2 method to workaround:
1st is use dvs pin to switch the voltage between value in BUCKn_ON_VSEL
and BUCKn_DVS_VSEL. If DVS pin is inactive, the voltage of DCDC1/DCDC2
are controlled by BUCKn_ON_VSEL, when we pull dvs1/dvs2 pin to active,
they would be controlled by BUCKn_DVS_VSEL. In this case, the ramp rate
is same as the value programmed in BUCKn_RATE, and the fastest rate is
10mv/us.
2nd method is gradual adjustment, adjust the voltage to a target value
step by step via i2c, each step is set to 100 mA. If you write the
voltage directly using an i2c write the rk808 will always ramp as fast
as it possibly can, about 100mv/us.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/fix/rk808' into regulator-linus
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The LDOs are documented in the rk808 datasheet to have a soft start
time of 400us. Add that to the driver. If this time takes longer on
a certain board the device tree should be able to override with
"regulator-enable-ramp-delay".
This fixes some dw_mmc probing problems (together with other patches
posted to the mmc maiing lists) on rk3288.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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'regulator/topic/rpm', 'regulator/topic/rt5033' and 'regulator/topic/tps65023' into regulator-next
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core update from Greg KH:
"Here's the set of driver core patches for 3.19-rc1.
They are dominated by the removal of the .owner field in platform
drivers. They touch a lot of files, but they are "simple" changes,
just removing a line in a structure.
Other than that, a few minor driver core and debugfs changes. There
are some ath9k patches coming in through this tree that have been
acked by the wireless maintainers as they relied on the debugfs
changes.
Everything has been in linux-next for a while"
* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
fs: debugfs: add forward declaration for struct device type
firmware class: Deletion of an unnecessary check before the function call "vunmap"
firmware loader: fix hung task warning dump
devcoredump: provide a one-way disable function
device: Add dev_<level>_once variants
ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
ath: use seq_file api for ath9k debugfs files
debugfs: add helper function to create device related seq_file
drivers/base: cacheinfo: remove noisy error boot message
Revert "core: platform: add warning if driver has no owner"
drivers: base: support cpu cache information interface to userspace via sysfs
drivers: base: add cpu_device_create to support per-cpu devices
topology: replace custom attribute macros with standard DEVICE_ATTR*
cpumask: factor out show_cpumap into separate helper function
driver core: Fix unbalanced device reference in drivers_probe
driver core: fix race with userland in device_add()
sysfs/kernfs: make read requests on pre-alloc files use the buffer.
sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
fs: sysfs: return EGBIG on write if offset is larger than file size
...
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Fixes the following sparse warnings:
drivers/regulator/rk808-regulator.c:100:5: warning:
symbol 'rk808_set_suspend_voltage' was not declared. Should it be static?
drivers/regulator/rk808-regulator.c:115:5: warning:
symbol 'rk808_set_suspend_enable' was not declared. Should it be static?
drivers/regulator/rk808-regulator.c:126:5: warning:
symbol 'rk808_set_suspend_disable' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/max77693', 'regulator/topic/max77802', 'regulator/topic/power-off' and 'regulator/topic/rk808' into regulator-next
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into driver-core-next
Remove all .owner fields from platform drivers
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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support setting suspend voltage and disable regulator in suspend.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The min_uv in DCDC1 & DCDC2 should be 712.5mv
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviwed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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On rk808 buck1 and buck2 have programmable ramp delays. Let's add a
function to allow a client of rk808 to set them.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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1. Pass &pdev->dev rather than &client->dev to of_regulator_match, the *dev
argument is used for devres to ensure devm_of_regulator_put_matches() will
be called when unload the module.
2. of_get_child_by_name() returns a node pointer with refcount incremented.
Thus add missing of_node_put(reg_np).
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Also remove non-informative comment.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The original RK808 regulator driver didn't setup input supplies
properly. Add them.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The min_sel is 0, max_sel is 15, so n_voltages should be 16.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The memory allocated in rk808_regulator_probe() needs to be freed when the
module is unloaded. Thus pass &pdev->dev rather than &client->dev to
devm_kzalloc.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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remove the redundant code, since pdata has been removed from stuct rk808
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The "dev" has been deleted from "struct rk808" in rk808 mfd driver
so rk808->dev should be replaced by &client->dev here.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The RK808 regulator driver was putting its config on the stack but not
initting it. That means that you got a semi-random config. Fix this.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The regulator module consists of 4 DCDCs, 8 LDOs and 2 switches.
The output voltages are configurable and are meant to supply power
to the main processor and other components
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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