[U-Boot] [PATCH v4 11/16] dm: regulator: add fixed voltage regulator driver

Simon Glass sjg at chromium.org
Wed Apr 22 18:31:18 CEST 2015


On 20 April 2015 at 12:07, Przemyslaw Marczak <p.marczak at samsung.com> wrote:
> 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 <p.marczak at samsung.com>
>
> Changes v3:
> - new file
> - Kconfig add fixed-regulator entry
>
> Changes V4:
> - move DM_REGULATOR_FIXED Kconfig entry from: drivers/power/Kconfig to
>   drivers/power/regulator/Kconfig
> - regulator/fixed.c: adjust to use of uclass platdata and device platdata
> - regulator/fixed.c: includes cleanup
> - regulator/fixed.c: fix gpio request
> - add binding info
> ---
>  doc/device-tree-bindings/regulator/fixed.txt |  38 ++++++++
>  drivers/power/regulator/Kconfig              |   8 ++
>  drivers/power/regulator/Makefile             |   1 +
>  drivers/power/regulator/fixed.c              | 126 +++++++++++++++++++++++++++
>  4 files changed, 173 insertions(+)
>  create mode 100644 doc/device-tree-bindings/regulator/fixed.txt
>  create mode 100644 drivers/power/regulator/fixed.c

Acked-by: Simon Glass <sjg at chromium.org>


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