[PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[gyungoh-Re5JQEeQqe8AvxtiuMwx3w]

From: Gyungoh Yoo <jack.yoo-tjhQNA90jdKqndwCJWfcng@public.gmane.org>

This patch set includes regulator and backlight driver for SKY81452.
Also it includes documents for device tree and module.
sky81452-regulator was already applied. So this series doesn't
include it.

v10:
Removed trivial get_brightness implementations for sky81452-backlight

v9:
Removed the change to remove MODULE_VERSION() for sky81452-regulator

v8:
Renamed property names for backlight with vendor prefix
Modified gpio-enable property to generic property for GPIO
Made up the example for backlight DT
Changed the DT parsing of regulator using regulator_node and of_match

v7:
Modified licensing text to GPLv2
Splitted Kconfig renaming from DT patch

v6:
Added new line character at the end of line of dev_err()

v5:
Changed DT for regulator : 'lout' node should be defined under 'regulator'
Removed compatible string from sky81452-regulator driver
Modified sky81452-regulator to return EINVAL when of_node is NULL
Move sky81452-backlight.h to include/linux/platform_data

v4:
Removed MODULE_VERSION()
Modified license to GPLv2
Removed calling to backlight_device_unregister() in sky81452-backlight

v3:
Cleaned-up DBG messages
Cleaned-up DT
Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
Assigned mfd_cell.of_compatible for binding device node
Modified error messages
Modified sky81452-regulator to return ENODATA when of_node is NULL

v2:
Split the patches for each sub-system
Added 'reg' attribute for I2C address in device tree documents
Added 'compatible' attribute in child drivers
Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
Added message for exception or errors.
Added vendor prefix for Skyworks Solutions, Inc.
Add SKY81452 to the Trivial Devices list

Gyungoh Yoo (6):
  mfd: Add support for Skyworks SKY81452 driver
  backlight: Add support Skyworks SKY81452 backlight driver
  devicetree: mfd: Add new SKY81452 mfd binding
  devicetree: backlight: Add new SKY81452 backlight binding
  devicetree: Add vendor prefix for Skyworks Solutions, Inc.
  devicetree: i2c: Add SKY81452 to the Trivial Devices list

 .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
 Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 .../video/backlight/sky81452-backlight.txt         |  29 ++
 drivers/mfd/Kconfig                                |  12 +
 drivers/mfd/Makefile                               |   1 +
 drivers/mfd/sky81452.c                             | 108 +++++++
 drivers/video/backlight/Kconfig                    |  10 +
 drivers/video/backlight/Makefile                   |   1 +
 drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
 include/linux/mfd/sky81452.h                       |  31 ++
 include/linux/platform_data/sky81452-backlight.h   |  46 +++
 12 files changed, 610 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
 create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
 create mode 100644 drivers/mfd/sky81452.c
 create mode 100644 drivers/video/backlight/sky81452-backlight.c
 create mode 100644 include/linux/mfd/sky81452.h
 create mode 100644 include/linux/platform_data/sky81452-backlight.h

-- 
1.9.1

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[PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[gyungoh-Re5JQEeQqe8AvxtiuMwx3w]

From: Gyungoh Yoo <jack.yoo-tjhQNA90jdKqndwCJWfcng@public.gmane.org>

This patch set includes regulator and backlight driver for SKY81452.
Also it includes documents for device tree and module.
sky81452-regulator was already applied. So this series doesn't
include it.

v10:
Removed trivial get_brightness implementations for sky81452-backlight

v9:
Removed the change to remove MODULE_VERSION() for sky81452-regulator

v8:
Renamed property names for backlight with vendor prefix
Modified gpio-enable property to generic property for GPIO
Made up the example for backlight DT
Changed the DT parsing of regulator using regulator_node and of_match

v7:
Modified licensing text to GPLv2
Splitted Kconfig renaming from DT patch

v6:
Added new line character at the end of line of dev_err()

v5:
Changed DT for regulator : 'lout' node should be defined under 'regulator'
Removed compatible string from sky81452-regulator driver
Modified sky81452-regulator to return EINVAL when of_node is NULL
Move sky81452-backlight.h to include/linux/platform_data

v4:
Removed MODULE_VERSION()
Modified license to GPLv2
Removed calling to backlight_device_unregister() in sky81452-backlight

v3:
Cleaned-up DBG messages
Cleaned-up DT
Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
Assigned mfd_cell.of_compatible for binding device node
Modified error messages
Modified sky81452-regulator to return ENODATA when of_node is NULL

v2:
Split the patches for each sub-system
Added 'reg' attribute for I2C address in device tree documents
Added 'compatible' attribute in child drivers
Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
Added message for exception or errors.
Added vendor prefix for Skyworks Solutions, Inc.
Add SKY81452 to the Trivial Devices list

Gyungoh Yoo (6):
  mfd: Add support for Skyworks SKY81452 driver
  backlight: Add support Skyworks SKY81452 backlight driver
  devicetree: mfd: Add new SKY81452 mfd binding
  devicetree: backlight: Add new SKY81452 backlight binding
  devicetree: Add vendor prefix for Skyworks Solutions, Inc.
  devicetree: i2c: Add SKY81452 to the Trivial Devices list

 .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
 Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 .../video/backlight/sky81452-backlight.txt         |  29 ++
 drivers/mfd/Kconfig                                |  12 +
 drivers/mfd/Makefile                               |   1 +
 drivers/mfd/sky81452.c                             | 108 +++++++
 drivers/video/backlight/Kconfig                    |  10 +
 drivers/video/backlight/Makefile                   |   1 +
 drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
 include/linux/mfd/sky81452.h                       |  31 ++
 include/linux/platform_data/sky81452-backlight.h   |  46 +++
 12 files changed, 610 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
 create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
 create mode 100644 drivers/mfd/sky81452.c
 create mode 100644 drivers/video/backlight/sky81452-backlight.c
 create mode 100644 include/linux/mfd/sky81452.h
 create mode 100644 include/linux/platform_data/sky81452-backlight.h

-- 
1.9.1

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[PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[gyungoh]

From: Gyungoh Yoo <jack.yoo@skyworksinc.com>

This patch set includes regulator and backlight driver for SKY81452.
Also it includes documents for device tree and module.
sky81452-regulator was already applied. So this series doesn't
include it.

v10:
Removed trivial get_brightness implementations for sky81452-backlight

v9:
Removed the change to remove MODULE_VERSION() for sky81452-regulator

v8:
Renamed property names for backlight with vendor prefix
Modified gpio-enable property to generic property for GPIO
Made up the example for backlight DT
Changed the DT parsing of regulator using regulator_node and of_match

v7:
Modified licensing text to GPLv2
Splitted Kconfig renaming from DT patch

v6:
Added new line character at the end of line of dev_err()

v5:
Changed DT for regulator : 'lout' node should be defined under 'regulator'
Removed compatible string from sky81452-regulator driver
Modified sky81452-regulator to return EINVAL when of_node is NULL
Move sky81452-backlight.h to include/linux/platform_data

v4:
Removed MODULE_VERSION()
Modified license to GPLv2
Removed calling to backlight_device_unregister() in sky81452-backlight

v3:
Cleaned-up DBG messages
Cleaned-up DT
Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
Assigned mfd_cell.of_compatible for binding device node
Modified error messages
Modified sky81452-regulator to return ENODATA when of_node is NULL

v2:
Split the patches for each sub-system
Added 'reg' attribute for I2C address in device tree documents
Added 'compatible' attribute in child drivers
Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
Added message for exception or errors.
Added vendor prefix for Skyworks Solutions, Inc.
Add SKY81452 to the Trivial Devices list

Gyungoh Yoo (6):
  mfd: Add support for Skyworks SKY81452 driver
  backlight: Add support Skyworks SKY81452 backlight driver
  devicetree: mfd: Add new SKY81452 mfd binding
  devicetree: backlight: Add new SKY81452 backlight binding
  devicetree: Add vendor prefix for Skyworks Solutions, Inc.
  devicetree: i2c: Add SKY81452 to the Trivial Devices list

 .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
 Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 .../video/backlight/sky81452-backlight.txt         |  29 ++
 drivers/mfd/Kconfig                                |  12 +
 drivers/mfd/Makefile                               |   1 +
 drivers/mfd/sky81452.c                             | 108 +++++++
 drivers/video/backlight/Kconfig                    |  10 +
 drivers/video/backlight/Makefile                   |   1 +
 drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
 include/linux/mfd/sky81452.h                       |  31 ++
 include/linux/platform_data/sky81452-backlight.h   |  46 +++
 12 files changed, 610 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
 create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
 create mode 100644 drivers/mfd/sky81452.c
 create mode 100644 drivers/video/backlight/sky81452-backlight.c
 create mode 100644 include/linux/mfd/sky81452.h
 create mode 100644 include/linux/platform_data/sky81452-backlight.h

-- 
1.9.1

Re: [PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[Lee Jones]

> From: Gyungoh Yoo <jack.yoo-tjhQNA90jdKqndwCJWfcng@public.gmane.org>
> 
> This patch set includes regulator and backlight driver for SKY81452.
> Also it includes documents for device tree and module.
> sky81452-regulator was already applied. So this series doesn't
> include it.

Tell us what you need?  What's missing?

> v10:
> Removed trivial get_brightness implementations for sky81452-backlight
> 
> v9:
> Removed the change to remove MODULE_VERSION() for sky81452-regulator
> 
> v8:
> Renamed property names for backlight with vendor prefix
> Modified gpio-enable property to generic property for GPIO
> Made up the example for backlight DT
> Changed the DT parsing of regulator using regulator_node and of_match
> 
> v7:
> Modified licensing text to GPLv2
> Splitted Kconfig renaming from DT patch
> 
> v6:
> Added new line character at the end of line of dev_err()
> 
> v5:
> Changed DT for regulator : 'lout' node should be defined under 'regulator'
> Removed compatible string from sky81452-regulator driver
> Modified sky81452-regulator to return EINVAL when of_node is NULL
> Move sky81452-backlight.h to include/linux/platform_data
> 
> v4:
> Removed MODULE_VERSION()
> Modified license to GPLv2
> Removed calling to backlight_device_unregister() in sky81452-backlight
> 
> v3:
> Cleaned-up DBG messages
> Cleaned-up DT
> Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
> Assigned mfd_cell.of_compatible for binding device node
> Modified error messages
> Modified sky81452-regulator to return ENODATA when of_node is NULL
> 
> v2:
> Split the patches for each sub-system
> Added 'reg' attribute for I2C address in device tree documents
> Added 'compatible' attribute in child drivers
> Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
> Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
> Added message for exception or errors.
> Added vendor prefix for Skyworks Solutions, Inc.
> Add SKY81452 to the Trivial Devices list
> 
> Gyungoh Yoo (6):
>   mfd: Add support for Skyworks SKY81452 driver
>   backlight: Add support Skyworks SKY81452 backlight driver
>   devicetree: mfd: Add new SKY81452 mfd binding
>   devicetree: backlight: Add new SKY81452 backlight binding
>   devicetree: Add vendor prefix for Skyworks Solutions, Inc.
>   devicetree: i2c: Add SKY81452 to the Trivial Devices list
> 
>  .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
>  Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
>  .../devicetree/bindings/vendor-prefixes.txt        |   1 +
>  .../video/backlight/sky81452-backlight.txt         |  29 ++
>  drivers/mfd/Kconfig                                |  12 +
>  drivers/mfd/Makefile                               |   1 +
>  drivers/mfd/sky81452.c                             | 108 +++++++
>  drivers/video/backlight/Kconfig                    |  10 +
>  drivers/video/backlight/Makefile                   |   1 +
>  drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
>  include/linux/mfd/sky81452.h                       |  31 ++
>  include/linux/platform_data/sky81452-backlight.h   |  46 +++
>  12 files changed, 610 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
>  create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
>  create mode 100644 drivers/mfd/sky81452.c
>  create mode 100644 drivers/video/backlight/sky81452-backlight.c
>  create mode 100644 include/linux/mfd/sky81452.h
>  create mode 100644 include/linux/platform_data/sky81452-backlight.h
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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Re: [PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[Gyungoh Yoo]

On Sun, Jan 18, 2015 at 05:40:37PM +0000, Lee Jones wrote:
> > From: Gyungoh Yoo <jack.yoo-tjhQNA90jdKqndwCJWfcng@public.gmane.org>
> > 
> > This patch set includes regulator and backlight driver for SKY81452.
> > Also it includes documents for device tree and module.
> > sky81452-regulator was already applied. So this series doesn't
> > include it.
> 
> Tell us what you need?  What's missing?

I need DT's Ack for 3/6 and 4/6.

Thanks.

> 
> > v10:
> > Removed trivial get_brightness implementations for sky81452-backlight
> > 
> > v9:
> > Removed the change to remove MODULE_VERSION() for sky81452-regulator
> > 
> > v8:
> > Renamed property names for backlight with vendor prefix
> > Modified gpio-enable property to generic property for GPIO
> > Made up the example for backlight DT
> > Changed the DT parsing of regulator using regulator_node and of_match
> > 
> > v7:
> > Modified licensing text to GPLv2
> > Splitted Kconfig renaming from DT patch
> > 
> > v6:
> > Added new line character at the end of line of dev_err()
> > 
> > v5:
> > Changed DT for regulator : 'lout' node should be defined under 'regulator'
> > Removed compatible string from sky81452-regulator driver
> > Modified sky81452-regulator to return EINVAL when of_node is NULL
> > Move sky81452-backlight.h to include/linux/platform_data
> > 
> > v4:
> > Removed MODULE_VERSION()
> > Modified license to GPLv2
> > Removed calling to backlight_device_unregister() in sky81452-backlight
> > 
> > v3:
> > Cleaned-up DBG messages
> > Cleaned-up DT
> > Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
> > Assigned mfd_cell.of_compatible for binding device node
> > Modified error messages
> > Modified sky81452-regulator to return ENODATA when of_node is NULL
> > 
> > v2:
> > Split the patches for each sub-system
> > Added 'reg' attribute for I2C address in device tree documents
> > Added 'compatible' attribute in child drivers
> > Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
> > Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
> > Added message for exception or errors.
> > Added vendor prefix for Skyworks Solutions, Inc.
> > Add SKY81452 to the Trivial Devices list
> > 
> > Gyungoh Yoo (6):
> >   mfd: Add support for Skyworks SKY81452 driver
> >   backlight: Add support Skyworks SKY81452 backlight driver
> >   devicetree: mfd: Add new SKY81452 mfd binding
> >   devicetree: backlight: Add new SKY81452 backlight binding
> >   devicetree: Add vendor prefix for Skyworks Solutions, Inc.
> >   devicetree: i2c: Add SKY81452 to the Trivial Devices list
> > 
> >  .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
> >  Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
> >  .../devicetree/bindings/vendor-prefixes.txt        |   1 +
> >  .../video/backlight/sky81452-backlight.txt         |  29 ++
> >  drivers/mfd/Kconfig                                |  12 +
> >  drivers/mfd/Makefile                               |   1 +
> >  drivers/mfd/sky81452.c                             | 108 +++++++
> >  drivers/video/backlight/Kconfig                    |  10 +
> >  drivers/video/backlight/Makefile                   |   1 +
> >  drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
> >  include/linux/mfd/sky81452.h                       |  31 ++
> >  include/linux/platform_data/sky81452-backlight.h   |  46 +++
> >  12 files changed, 610 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
> >  create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
> >  create mode 100644 drivers/mfd/sky81452.c
> >  create mode 100644 drivers/video/backlight/sky81452-backlight.c
> >  create mode 100644 include/linux/mfd/sky81452.h
> >  create mode 100644 include/linux/platform_data/sky81452-backlight.h
> > 
> 
> -- 
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org │ Open source software for ARM SoCs
> Follow Linaro: Facebook | Twitter | Blog
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Re: [PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[Lee Jones]

On Mon, 19 Jan 2015, Gyungoh Yoo wrote:

> On Sun, Jan 18, 2015 at 05:40:37PM +0000, Lee Jones wrote:
> > > From: Gyungoh Yoo <jack.yoo-tjhQNA90jdKqndwCJWfcng@public.gmane.org>
> > > 
> > > This patch set includes regulator and backlight driver for SKY81452.
> > > Also it includes documents for device tree and module.
> > > sky81452-regulator was already applied. So this series doesn't
> > > include it.
> > 
> > Tell us what you need?  What's missing?
> 
> I need DT's Ack for 3/6 and 4/6.

Patch 3 looks simple enough.

Patch 4 _does_ need a DT ack though.

> > > v10:
> > > Removed trivial get_brightness implementations for sky81452-backlight
> > > 
> > > v9:
> > > Removed the change to remove MODULE_VERSION() for sky81452-regulator
> > > 
> > > v8:
> > > Renamed property names for backlight with vendor prefix
> > > Modified gpio-enable property to generic property for GPIO
> > > Made up the example for backlight DT
> > > Changed the DT parsing of regulator using regulator_node and of_match
> > > 
> > > v7:
> > > Modified licensing text to GPLv2
> > > Splitted Kconfig renaming from DT patch
> > > 
> > > v6:
> > > Added new line character at the end of line of dev_err()
> > > 
> > > v5:
> > > Changed DT for regulator : 'lout' node should be defined under 'regulator'
> > > Removed compatible string from sky81452-regulator driver
> > > Modified sky81452-regulator to return EINVAL when of_node is NULL
> > > Move sky81452-backlight.h to include/linux/platform_data
> > > 
> > > v4:
> > > Removed MODULE_VERSION()
> > > Modified license to GPLv2
> > > Removed calling to backlight_device_unregister() in sky81452-backlight
> > > 
> > > v3:
> > > Cleaned-up DBG messages
> > > Cleaned-up DT
> > > Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
> > > Assigned mfd_cell.of_compatible for binding device node
> > > Modified error messages
> > > Modified sky81452-regulator to return ENODATA when of_node is NULL
> > > 
> > > v2:
> > > Split the patches for each sub-system
> > > Added 'reg' attribute for I2C address in device tree documents
> > > Added 'compatible' attribute in child drivers
> > > Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
> > > Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
> > > Added message for exception or errors.
> > > Added vendor prefix for Skyworks Solutions, Inc.
> > > Add SKY81452 to the Trivial Devices list
> > > 
> > > Gyungoh Yoo (6):
> > >   mfd: Add support for Skyworks SKY81452 driver
> > >   backlight: Add support Skyworks SKY81452 backlight driver
> > >   devicetree: mfd: Add new SKY81452 mfd binding
> > >   devicetree: backlight: Add new SKY81452 backlight binding
> > >   devicetree: Add vendor prefix for Skyworks Solutions, Inc.
> > >   devicetree: i2c: Add SKY81452 to the Trivial Devices list
> > > 
> > >  .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
> > >  Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
> > >  .../devicetree/bindings/vendor-prefixes.txt        |   1 +
> > >  .../video/backlight/sky81452-backlight.txt         |  29 ++
> > >  drivers/mfd/Kconfig                                |  12 +
> > >  drivers/mfd/Makefile                               |   1 +
> > >  drivers/mfd/sky81452.c                             | 108 +++++++
> > >  drivers/video/backlight/Kconfig                    |  10 +
> > >  drivers/video/backlight/Makefile                   |   1 +
> > >  drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
> > >  include/linux/mfd/sky81452.h                       |  31 ++
> > >  include/linux/platform_data/sky81452-backlight.h   |  46 +++
> > >  12 files changed, 610 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
> > >  create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
> > >  create mode 100644 drivers/mfd/sky81452.c
> > >  create mode 100644 drivers/video/backlight/sky81452-backlight.c
> > >  create mode 100644 include/linux/mfd/sky81452.h
> > >  create mode 100644 include/linux/platform_data/sky81452-backlight.h
> > > 
> > 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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[PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[gyungoh-Re5JQEeQqe8AvxtiuMwx3w]

From: Gyungoh Yoo <jack.yoo-tjhQNA90jdKqndwCJWfcng@public.gmane.org>

This patch set includes regulator and backlight driver for SKY81452.
Also it includes documents for device tree and module.
sky81452-regulator was already applied. So this series doesn't
include it.

v10:
Removed trivial get_brightness implementations for sky81452-backlight

v9:
Removed the change to remove MODULE_VERSION() for sky81452-regulator

v8:
Renamed property names for backlight with vendor prefix
Modified gpio-enable property to generic property for GPIO
Made up the example for backlight DT
Changed the DT parsing of regulator using regulator_node and of_match

v7:
Modified licensing text to GPLv2
Splitted Kconfig renaming from DT patch

v6:
Added new line character at the end of line of dev_err()

v5:
Changed DT for regulator : 'lout' node should be defined under 'regulator'
Removed compatible string from sky81452-regulator driver
Modified sky81452-regulator to return EINVAL when of_node is NULL
Move sky81452-backlight.h to include/linux/platform_data

v4:
Removed MODULE_VERSION()
Modified license to GPLv2
Removed calling to backlight_device_unregister() in sky81452-backlight

v3:
Cleaned-up DBG messages
Cleaned-up DT
Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
Assigned mfd_cell.of_compatible for binding device node
Modified error messages
Modified sky81452-regulator to return ENODATA when of_node is NULL

v2:
Split the patches for each sub-system
Added 'reg' attribute for I2C address in device tree documents
Added 'compatible' attribute in child drivers
Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
Added message for exception or errors.
Added vendor prefix for Skyworks Solutions, Inc.
Add SKY81452 to the Trivial Devices list

Gyungoh Yoo (6):
  mfd: Add support for Skyworks SKY81452 driver
  backlight: Add support Skyworks SKY81452 backlight driver
  devicetree: mfd: Add new SKY81452 mfd binding
  devicetree: backlight: Add new SKY81452 backlight binding
  devicetree: Add vendor prefix for Skyworks Solutions, Inc.
  devicetree: i2c: Add SKY81452 to the Trivial Devices list

 .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
 Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 .../video/backlight/sky81452-backlight.txt         |  29 ++
 drivers/mfd/Kconfig                                |  12 +
 drivers/mfd/Makefile                               |   1 +
 drivers/mfd/sky81452.c                             | 108 +++++++
 drivers/video/backlight/Kconfig                    |  10 +
 drivers/video/backlight/Makefile                   |   1 +
 drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
 include/linux/mfd/sky81452.h                       |  31 ++
 include/linux/platform_data/sky81452-backlight.h   |  46 +++
 12 files changed, 610 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
 create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
 create mode 100644 drivers/mfd/sky81452.c
 create mode 100644 drivers/video/backlight/sky81452-backlight.c
 create mode 100644 include/linux/mfd/sky81452.h
 create mode 100644 include/linux/platform_data/sky81452-backlight.h

-- 
1.9.1

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[PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[gyungoh]

From: Gyungoh Yoo <jack.yoo@skyworksinc.com>

This patch set includes regulator and backlight driver for SKY81452.
Also it includes documents for device tree and module.
sky81452-regulator was already applied. So this series doesn't
include it.

v10:
Removed trivial get_brightness implementations for sky81452-backlight

v9:
Removed the change to remove MODULE_VERSION() for sky81452-regulator

v8:
Renamed property names for backlight with vendor prefix
Modified gpio-enable property to generic property for GPIO
Made up the example for backlight DT
Changed the DT parsing of regulator using regulator_node and of_match

v7:
Modified licensing text to GPLv2
Splitted Kconfig renaming from DT patch

v6:
Added new line character at the end of line of dev_err()

v5:
Changed DT for regulator : 'lout' node should be defined under 'regulator'
Removed compatible string from sky81452-regulator driver
Modified sky81452-regulator to return EINVAL when of_node is NULL
Move sky81452-backlight.h to include/linux/platform_data

v4:
Removed MODULE_VERSION()
Modified license to GPLv2
Removed calling to backlight_device_unregister() in sky81452-backlight

v3:
Cleaned-up DBG messages
Cleaned-up DT
Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
Assigned mfd_cell.of_compatible for binding device node
Modified error messages
Modified sky81452-regulator to return ENODATA when of_node is NULL

v2:
Split the patches for each sub-system
Added 'reg' attribute for I2C address in device tree documents
Added 'compatible' attribute in child drivers
Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
Added message for exception or errors.
Added vendor prefix for Skyworks Solutions, Inc.
Add SKY81452 to the Trivial Devices list

Gyungoh Yoo (6):
  mfd: Add support for Skyworks SKY81452 driver
  backlight: Add support Skyworks SKY81452 backlight driver
  devicetree: mfd: Add new SKY81452 mfd binding
  devicetree: backlight: Add new SKY81452 backlight binding
  devicetree: Add vendor prefix for Skyworks Solutions, Inc.
  devicetree: i2c: Add SKY81452 to the Trivial Devices list

 .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
 Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 .../video/backlight/sky81452-backlight.txt         |  29 ++
 drivers/mfd/Kconfig                                |  12 +
 drivers/mfd/Makefile                               |   1 +
 drivers/mfd/sky81452.c                             | 108 +++++++
 drivers/video/backlight/Kconfig                    |  10 +
 drivers/video/backlight/Makefile                   |   1 +
 drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
 include/linux/mfd/sky81452.h                       |  31 ++
 include/linux/platform_data/sky81452-backlight.h   |  46 +++
 12 files changed, 610 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
 create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
 create mode 100644 drivers/mfd/sky81452.c
 create mode 100644 drivers/video/backlight/sky81452-backlight.c
 create mode 100644 include/linux/mfd/sky81452.h
 create mode 100644 include/linux/platform_data/sky81452-backlight.h

-- 
1.9.1

[PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver

[gyungoh]

From: Gyungoh Yoo <jack.yoo@skyworksinc.com>

Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
---
Changes v10:
Nothing

Changes v9:
Nothing

Changes v8:
Nothing

Changes v7:
Modified licensing text to GPLv2

Changes v6:
Added new line character at the end of line of dev_err()

Changes v5:
Move sky81452-backlight.h to include/linux/platform_data

Changes v4:
Removed MODULE_VERSION()
Modified license to GPLv2

Changes v3:
Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
Assigned mfd_cell.of_compatible for binding device node
Modified error messages

Changes v2:
Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
Added message for exception or errors

 drivers/mfd/Kconfig          |  12 +++++
 drivers/mfd/Makefile         |   1 +
 drivers/mfd/sky81452.c       | 108 +++++++++++++++++++++++++++++++++++++++++++
 include/linux/mfd/sky81452.h |  31 +++++++++++++
 4 files changed, 152 insertions(+)
 create mode 100644 drivers/mfd/sky81452.c
 create mode 100644 include/linux/mfd/sky81452.h

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 1456ea7..a54244c 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -693,6 +693,18 @@ config MFD_SM501_GPIO
 	 lines on the SM501. The platform data is used to supply the
 	 base number for the first GPIO line to register.
 
+config MFD_SKY81452
+	tristate "Skyworks Solutions SKY81452"
+	select MFD_CORE
+	select REGMAP_I2C
+	depends on I2C
+	help
+	  This is the core driver for the Skyworks SKY81452 backlight and
+	  voltage regulator device.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called sky81452.
+
 config MFD_SMSC
        bool "SMSC ECE1099 series chips"
        depends on I2C=y
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 8bd54b1..d9683ea 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -174,6 +174,7 @@ obj-$(CONFIG_MFD_STW481X)	+= stw481x.o
 obj-$(CONFIG_MFD_IPAQ_MICRO)	+= ipaq-micro.o
 obj-$(CONFIG_MFD_MENF21BMC)	+= menf21bmc.o
 obj-$(CONFIG_MFD_HI6421_PMIC)	+= hi6421-pmic-core.o
+obj-$(CONFIG_MFD_SKY81452)		+= sky81452.o
 
 intel-soc-pmic-objs		:= intel_soc_pmic_core.o intel_soc_pmic_crc.o
 obj-$(CONFIG_INTEL_SOC_PMIC)	+= intel-soc-pmic.o
diff --git a/drivers/mfd/sky81452.c b/drivers/mfd/sky81452.c
new file mode 100644
index 0000000..b0c9b04
--- /dev/null
+++ b/drivers/mfd/sky81452.c
@@ -0,0 +1,108 @@
+/*
+ * sky81452.c	SKY81452 MFD driver
+ *
+ * Copyright 2014 Skyworks Solutions Inc.
+ * Author : Gyungoh Yoo <jack.yoo@skyworksinc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/sky81452.h>
+
+static const struct regmap_config sky81452_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+};
+
+static int sky81452_probe(struct i2c_client *client,
+				const struct i2c_device_id *id)
+{
+	struct device *dev = &client->dev;
+	const struct sky81452_platform_data *pdata = dev_get_platdata(dev);
+	struct mfd_cell cells[2];
+	struct regmap *regmap;
+	int ret;
+
+	if (!pdata) {
+		pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+		if (!pdata)
+			return -ENOMEM;
+	}
+
+	regmap = devm_regmap_init_i2c(client, &sky81452_config);
+	if (IS_ERR(regmap)) {
+		dev_err(dev, "failed to initialize.err=%ld\n", PTR_ERR(regmap));
+		return PTR_ERR(regmap);
+	}
+
+	i2c_set_clientdata(client, regmap);
+
+	memset(cells, 0, sizeof(cells));
+	cells[0].name = "sky81452-backlight";
+	cells[0].of_compatible = "skyworks,sky81452-backlight";
+	cells[0].platform_data = pdata->bl_pdata;
+	cells[0].pdata_size = sizeof(*pdata->bl_pdata);
+	cells[1].name = "sky81452-regulator";
+	cells[1].platform_data = pdata->regulator_init_data;
+	cells[1].pdata_size = sizeof(*pdata->regulator_init_data);
+
+	ret = mfd_add_devices(dev, -1, cells, ARRAY_SIZE(cells), NULL, 0, NULL);
+	if (ret)
+		dev_err(dev, "failed to add child devices. err=%d\n", ret);
+
+	return ret;
+}
+
+static int sky81452_remove(struct i2c_client *client)
+{
+	mfd_remove_devices(&client->dev);
+	return 0;
+}
+
+static const struct i2c_device_id sky81452_ids[] = {
+	{ "sky81452" },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, sky81452_ids);
+
+#ifdef CONFIG_OF
+static const struct of_device_id sky81452_of_match[] = {
+	{ .compatible = "skyworks,sky81452", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sky81452_of_match);
+#endif
+
+static struct i2c_driver sky81452_driver = {
+	.driver = {
+		.name = "sky81452",
+		.of_match_table = of_match_ptr(sky81452_of_match),
+	},
+	.probe = sky81452_probe,
+	.remove = sky81452_remove,
+	.id_table = sky81452_ids,
+};
+
+module_i2c_driver(sky81452_driver);
+
+MODULE_DESCRIPTION("Skyworks SKY81452 MFD driver");
+MODULE_AUTHOR("Gyungoh Yoo <jack.yoo@skyworksinc.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mfd/sky81452.h b/include/linux/mfd/sky81452.h
new file mode 100644
index 0000000..b0925fa
--- /dev/null
+++ b/include/linux/mfd/sky81452.h
@@ -0,0 +1,31 @@
+/*
+ * sky81452.h	SKY81452 MFD driver
+ *
+ * Copyright 2014 Skyworks Solutions Inc.
+ * Author : Gyungoh Yoo <jack.yoo@skyworksinc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _SKY81452_H
+#define _SKY81452_H
+
+#include <linux/platform_data/sky81452-backlight.h>
+#include <linux/regulator/machine.h>
+
+struct sky81452_platform_data {
+	struct sky81452_bl_platform_data *bl_pdata;
+	struct regulator_init_data *regulator_init_data;
+};
+
+#endif
-- 
1.9.1

Re: [PATCH v10 0/6] Add Skyworks SKY81452 device drivers

[Gyungoh Yoo]

On Thu, Feb 05, 2015 at 03:29:40PM +0900, gyungoh-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:

Please ignore this patch serial v10.
Sorry for my mistake

> From: Gyungoh Yoo <jack.yoo-tjhQNA90jdKqndwCJWfcng@public.gmane.org>
> 
> This patch set includes regulator and backlight driver for SKY81452.
> Also it includes documents for device tree and module.
> sky81452-regulator was already applied. So this series doesn't
> include it.
> 
> v10:
> Removed trivial get_brightness implementations for sky81452-backlight
> 
> v9:
> Removed the change to remove MODULE_VERSION() for sky81452-regulator
> 
> v8:
> Renamed property names for backlight with vendor prefix
> Modified gpio-enable property to generic property for GPIO
> Made up the example for backlight DT
> Changed the DT parsing of regulator using regulator_node and of_match
> 
> v7:
> Modified licensing text to GPLv2
> Splitted Kconfig renaming from DT patch
> 
> v6:
> Added new line character at the end of line of dev_err()
> 
> v5:
> Changed DT for regulator : 'lout' node should be defined under 'regulator'
> Removed compatible string from sky81452-regulator driver
> Modified sky81452-regulator to return EINVAL when of_node is NULL
> Move sky81452-backlight.h to include/linux/platform_data
> 
> v4:
> Removed MODULE_VERSION()
> Modified license to GPLv2
> Removed calling to backlight_device_unregister() in sky81452-backlight
> 
> v3:
> Cleaned-up DBG messages
> Cleaned-up DT
> Fixed the backlight name from 'sky81452-bl' to 'sky81452-backlight'
> Assigned mfd_cell.of_compatible for binding device node
> Modified error messages
> Modified sky81452-regulator to return ENODATA when of_node is NULL
> 
> v2:
> Split the patches for each sub-system
> Added 'reg' attribute for I2C address in device tree documents
> Added 'compatible' attribute in child drivers
> Renamed CONFIG_SKY81452 to CONFIG_MFD_SKY81452
> Changed the dependency from I2C=y to I2C, for CONFIG_MFD_SKY81452
> Added message for exception or errors.
> Added vendor prefix for Skyworks Solutions, Inc.
> Add SKY81452 to the Trivial Devices list
> 
> Gyungoh Yoo (6):
>   mfd: Add support for Skyworks SKY81452 driver
>   backlight: Add support Skyworks SKY81452 backlight driver
>   devicetree: mfd: Add new SKY81452 mfd binding
>   devicetree: backlight: Add new SKY81452 backlight binding
>   devicetree: Add vendor prefix for Skyworks Solutions, Inc.
>   devicetree: i2c: Add SKY81452 to the Trivial Devices list
> 
>  .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
>  Documentation/devicetree/bindings/mfd/sky81452.txt |  36 +++
>  .../devicetree/bindings/vendor-prefixes.txt        |   1 +
>  .../video/backlight/sky81452-backlight.txt         |  29 ++
>  drivers/mfd/Kconfig                                |  12 +
>  drivers/mfd/Makefile                               |   1 +
>  drivers/mfd/sky81452.c                             | 108 +++++++
>  drivers/video/backlight/Kconfig                    |  10 +
>  drivers/video/backlight/Makefile                   |   1 +
>  drivers/video/backlight/sky81452-backlight.c       | 334 +++++++++++++++++++++
>  include/linux/mfd/sky81452.h                       |  31 ++
>  include/linux/platform_data/sky81452-backlight.h   |  46 +++
>  12 files changed, 610 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/sky81452.txt
>  create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
>  create mode 100644 drivers/mfd/sky81452.c
>  create mode 100644 drivers/video/backlight/sky81452-backlight.c
>  create mode 100644 include/linux/mfd/sky81452.h
>  create mode 100644 include/linux/platform_data/sky81452-backlight.h
> 
> -- 
> 1.9.1
> 
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