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The actual support was added in commit fec8c900c8b2 ("power: regulator:
Add support for regulator-force-boot-off"), update the docs to include
this.
Signed-off-by: Chris Packham <[email protected]>
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Signed-off-by: Wolfgang Denk <[email protected]>
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With device tree binding migration to yaml it is difficult to synchronize
the binding from Linux kernel to U-Boot.
Instead of maintaining the same dt bindings, this patch adds in the U-Boot
documentation the path to the device tree bindings in Linux kernel for
STMicroelectronics devices, when they are used without modification.
Signed-off-by: Patrick Delaunay <[email protected]>
Signed-off-by: Patrice Chotard <[email protected]>
Add links for referenced text files.
Signed-off-by: Heinrich Schuchardt <[email protected]>
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Document the bindings for fsl,anatop-regulator
Signed-off-by: Ying-Chun Liu (PaulLiu) <[email protected]>
Reviewed-by: Sean Anderson <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Jaehoon Chung <[email protected]>
Cc: Peng Fan <[email protected]>
Reviewed-by: Jaehoon Chung <[email protected]>
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support parse regulator standard property:
regulator-off-in-suspend;
regulator-init-microvolt;
regulator-suspend-microvolt:
regulator_get_suspend_enable
regulator_set_suspend_enable
regulator_get_suspend_value
regulator_set_suspend_value
Signed-off-by: Joseph Chen <[email protected]>
Signed-off-by: Elaine Zhang <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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Changing voltage and enabling regulator might require delays so the
regulator stabilizes at expected level.
Add support for "regulator-ramp-delay" binding which can introduce
required time to both enabling the regulator and to changing the
voltage.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Tested-by: Anand Moon <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
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This adds a driver for the FAN53555 family of regulators and wraps it
in a PMIC implementation.
While these devices support a 'normal' and 'suspend' mode (controlled
via an external pin) to switch between two programmable voltages, this
incarnation of the driver assumes that the device is always operating
in 'normal' mode.
Only setting/reading the programmed voltage is supported at this time
and the following device functionality remains unsupported:
- switching the selected voltage (via a GPIO)
- disabling the voltage output via software-control
This matches the functionality of the Linux driver.
Tested on a RK3399-Q7 (with 'option 5' devices): setting voltages from
the U-Boot shell and verifying output voltages on the board.
Signed-off-by: Philipp Tomsich <[email protected]>
Tested-by: Klaus Goger <[email protected]>
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Add u-boot,off-on-delay-us for fixed regulator.
Depends on board design, the gpio regulator sometimes
connects with a big capacitance. When need to off, then
on the regulator, if there is no enough delay,
the voltage does not drop to 0, so introduce this
property to handle such case.
Signed-off-by: Peng Fan <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Cc: Masahiro Yamada <[email protected]>
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Add regulator driver for STM32 voltage reference buffer which can be
used as voltage reference for ADCs, DACs and external components through
dedicated VREF+ pin.
Signed-off-by: Fabrice Gasnier <[email protected]>
Signed-off-by: Patrice Chotard <[email protected]>
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This patch extends pmic_bind_children prefix matching. In addition to
the node name the property regulator-name is used while trying to match
prefixes. This allows assigning different drivers to regulator nodes
named regulator@1 and regulator@10 for example.
I have discarded the idea of using other properties then regulator-name
as I do not see any benefit in using property compatible or even
regulator-compatible. Of course I am open to change this if there are
good reasons to do so.
Signed-off-by: Felix Brack <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The regulator bindings state that regulator prefixes are allowd to be
in upper or lower case. However pmic_bind_children from pmic_uclass uses
strncmp to compare DT node name against prefix. This comparison is case
sensitive hence the regulator driver prefix case matters.
Signed-off-by: Felix Brack <[email protected]>
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Add support to handle enable-active-high DT property. This property is
used to drive the gpio controlling fixed regulator as active high when
claiming gpio line.
Signed-off-by: Vignesh R <[email protected]>
Acked-by: Simon Glass <[email protected]>
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When enabling a fixed regulator, it may take some time to rise to the
correct voltage. If we do not delay here then subsequent operations
will fail.
Signed-off-by: John Keeping <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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We do not need that "regulator-name" property must be provided in dts.
If "regulator-name" property is not provided in dts, node name
will chosen for settings '.name' field of uc_pdata.
Signed-off-by: Peng Fan <[email protected]>
Cc: Przemyslaw Marczak <[email protected]>
Cc: Simon Glass <[email protected]>
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This commit adds emulation of sandbox PMIC device, which includes:
- PMIC I2C emulation driver
- PMIC I/O driver (UCLASS_PMIC)
- PMIC regulator driver (UCLASS_REGULATOR)
The sandbox PMIC has 12 significant registers and 4 as padding to 16 bytes,
which allows using 'i2c md' command with the default count (16).
The sandbox PMIC provides regulators:
- 2x BUCK
- 2x LDO
Each, with adjustable output:
- Enable state
- Voltage
- Current limit (LDO1/BUCK1 only)
- Operation mode (different for BUCK and LDO)
Each attribute has it's own register, beside the enable state, which depends
on operation mode.
The header file: sandbox_pmic.h includes PMIC's default register values,
which are set on i2c pmic emul driver's probe() method.
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
Tested on sandbox:
Tested-by: Simon Glass <[email protected]>
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This driver implements regulator operations for fixed Voltage/Current
value regulators. beside the standard regulator constraints, which are
put into the uclass platform data, a typical fixed regulator node provides
few additional properties like:
- gpio
- gpio-open-drain
- enable-active-high
- startup-delay-us
The only 'gpio' is used by this driver and is kept in structure of type
'fixed_regulator_platdata', as a device platform data (dev->platdata).
The driver implements:
- get_value
- get_current
- get_enable
- set_enable
The regulator calls and commands can be used for fixed-regulator devices,
and the proper error will be returned for prohibited.
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This commit adds support to MAX77686 regulator driver,
based on a driver model regulator's API. It implements
almost all regulator operations, beside those for setting
and geting the Current value.
For proper bind and operation it requires the MAX77686 PMIC driver.
New file: drivers/power/regulator/max77686.c
New config: CONFIG_DM_REGULATOR_MAX77686
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This commit introduces the implementation of dm regulator API.
Device tree support allows for auto binding. And by the basic
uclass operations, it allows to driving the devices in a common
way. For detailed informations, please look into the header file.
Core files:
- drivers/power/regulator-uclass.c - provides regulator common functions api
- include/power/regulator.h - define all structures required by the regulator
Changes:
- new uclass-id: UCLASS_REGULATOR
- new config: CONFIG_DM_REGULATOR
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This adds driver support for the TPS65090 PMU. Support includes
hooking into the pmic infrastructure so that the pmic commands
can be used on the console. The TPS65090 supports the following
functionality:
- fet enable/disable/querying
- getting and setting of charge state
Even though it is connected to the pmic infrastructure it does
not hook into the pmic charging charging infrastructure.
The device tree binding is from Linux, but only a small subset of
functionality is supported.
Signed-off-by: Tom Wai-Hong Tam <[email protected]>
Signed-off-by: Hatim Ali <[email protected]>
Signed-off-by: Katie Roberts-Hoffman <[email protected]>
Signed-off-by: Rong Chang <[email protected]>
Signed-off-by: Sean Paul <[email protected]>
Signed-off-by: Vincent Palatin <[email protected]>
Signed-off-by: Aaron Durbin <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
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