Re: [PATCH v2 5/7] Documentation/ABI: Add iei-wt61p803-puzzle driver sysfs interface documentation

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On Sat, 26 Sep 2020 15:55:12 +0200
Luka Kovacic <luka.kovacic@xxxxxxxxxx> wrote:

> Add the iei-wt61p803-puzzle driver sysfs interface documentation to allow
> monitoring and control of the microcontroller from user space.
> 
> Signed-off-by: Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> Cc: Luka Perkov <luka.perkov@xxxxxxxxxx>
> Cc: Robert Marko <robert.marko@xxxxxxxxxx>
> ---
>  .../stable/sysfs-driver-iei-wt61p803-puzzle   | 65 +++++++++++++++++++
>  1 file changed, 65 insertions(+)
>  create mode 100644 Documentation/ABI/stable/sysfs-driver-iei-wt61p803-puzzle
> 
> diff --git a/Documentation/ABI/stable/sysfs-driver-iei-wt61p803-puzzle b/Documentation/ABI/stable/sysfs-driver-iei-wt61p803-puzzle
> new file mode 100644
> index 000000000000..36fca70d66ef
> --- /dev/null
> +++ b/Documentation/ABI/stable/sysfs-driver-iei-wt61p803-puzzle

I think this should go to testing, not stable. It should go to stable
only after it is stable for some time.

> @@ -0,0 +1,65 @@
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/mac_address_*
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the internal iEi WT61P803 PUZZLE MCU MAC address values.
> +		These are factory assigned and can be changed.
> +
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/serial_number
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the internal iEi WT61P803 PUZZLE MCU serial number.
> +		This value is factory assigned and can be changed.
> +

Please use (RO) and (RW) prefixes before the Description, instead of
writing "This value is read only", i.e.:
  Description: (RO) Internal ... serial number.

JFI: Why can these values be changed? Shouldn't they be burned into OTP?

Marek

> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/version
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the internal iEi WT61P803 PUZZLE MCU version.
> +		This value is read only.
> +
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/protocol_version
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the internal iEi WT61P803 PUZZLE MCU protocol version.
> +		This value is read only.
> +
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/power_loss_recovery
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the iEi WT61P803 PUZZLE MCU power loss recovery value.
> +		This value is read write.
> +		Value mapping: 0 - Always-On, 1 - Always-Off, 2 - Always-AC, 3 - Always-WA
> +
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/bootloader_mode
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read whether the MCU is in bootloader mode.
> +		This value is read only.
> +
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/power_status
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the iEi WT61P803 PUZZLE MCU power status. Power status indicates
> +		the power on method.
> +		This value is read only.
> +		Value mapping (bitwise list):
> +		0x80 - Null
> +		0x40 - Firmware flag
> +		0x20 - Power loss detection flag (powered off)
> +		0x10 - Power loss detection flag (AC mode)
> +		0x08 - Button power on
> +		0x04 - WOL power on
> +		0x02 - RTC alarm power on
> +		0x01 - AC recover power on
> +
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/build_info
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the iEi WT61P803 PUZZLE MCU firmware build date.
> +		This value is read only.
> +		Format: yyyy/mm/dd hh:mm
> +
> +What:		/sys/bus/serial/devices/.../iei_wt61p803_puzzle_core/ac_recovery_status
> +Date:		September 2020
> +Contact:	Luka Kovacic <luka.kovacic@xxxxxxxxxx>
> +Description:	Read the iEi WT61P803 PUZZLE MCU AC recovery status.
> +		This value is read only.




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