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SubjectRe: [PATCH 3/3] hwmon: add Gateworks System Controller support
On Fri, 15 May 2020, Tim Harvey wrote:

> The Gateworks System Controller has a hwmon sub-component that exposes
> up to 16 ADC's, some of which are temperature sensors, others which are
> voltage inputs. The ADC configuration (register mapping and name) is
> configured via device-tree and varies board to board.
>
> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
> Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
> v11:
> - no change
>
> v10:
> - no change
>
> v9:
> - use exported gsc_{read,write}
> - added Reviewed-by: Guenter Roeck <linux@roeck-us.net>
>
> v8:
> - move regmap init to hwmon
>
> v7:
> - fix whitespace in Kconfig
> - remove unnecessary device pointer in private data
> - change divider from mili-ohms to ohms
> - move fan base property to reg
>
> v6:
> - fix size of info field
> - improve pwm output control documentation
> - include unit suffix in divider and offset
> - change subnode name to gsc-adc
> - change to fan subnode
> - fix voltage offset
>
> v5:
> - fix various checkpatch issues
> - correct gsc-hwmon.rst in MAINTAINERS
> - encorporate Gunter's feedback:
> - switch to SENSOR_DEVICE_ATTR_{RW,RO}
> - use tmp value to avoid excessive pointer deference
> - simplify shift operation
> - scale voffset once
> - simplify is_visible function
> - remove empty line at end of file
>
> v4:
> - adjust for uV offset from device-tree
> - remove unnecessary optional write function
> - remove register range check
> - change dev_err prints to use gsc dev
> - hard-code resolution/scaling for raw adcs
> - describe units of ADC resolution
> - move to using pwm<n>_auto_point<m>_{pwm,temp} for FAN PWM
> - ensure space before/after operators
> - remove unnecessary parens
> - remove more debugging
> - add default case and comment for type_voltage
> - remove unnecessary index bounds checks for channel
> - remove unnecessary clearing of struct fields
> - added Documentation/hwmon/gsc-hwmon.rst
>
> v3:
> - add voltage_raw input type and supporting fields
> - add channel validation to is_visible function
> - remove unnecessary channel validation from read/write functions
>
> v2:
> - change license comment style
> - remove DEBUG
> - simplify regmap_bulk_read err check
> - remove break after returns in switch statement
> - fix fan setpoint buffer address
> - remove unnecessary parens
> - consistently use struct device *dev pointer
> - change license/comment block
> - add validation for hwmon child node props
> - move parsing of of to own function
> - use strlcpy to ensure null termination
> - fix static array sizes and removed unnecessary initializers
> - dynamically allocate channels
> - fix fan input label
> - support platform data
> - fixed whitespace issues
> ---
> Documentation/hwmon/gsc-hwmon.rst | 53 +++++
> Documentation/hwmon/index.rst | 1 +
> MAINTAINERS | 3 +
> drivers/hwmon/Kconfig | 9 +
> drivers/hwmon/Makefile | 1 +
> drivers/hwmon/gsc-hwmon.c | 390 ++++++++++++++++++++++++++++++++
> include/linux/platform_data/gsc_hwmon.h | 44 ++++
> 7 files changed, 501 insertions(+)
> create mode 100644 Documentation/hwmon/gsc-hwmon.rst
> create mode 100644 drivers/hwmon/gsc-hwmon.c
> create mode 100644 include/linux/platform_data/gsc_hwmon.h

Applied, thanks.

--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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