[PATCH v2 12/13] of: add barebox-serial driver

[Sascha Hauer]

On Wed, Aug 05, 2020 at 12:16:27PM +0200, Oleksij Rempel wrote:
> Provide a driver which should act as nvmem consumer
> for board serial number information.
> 
> To make use of this driver, DTS should contain a serial
> node with compatibe "barebox,serial" and nvmem-cell-names
> "serial-number":
> 
> ...
> 	chosen {
> 		serial {
> 			compatible = "barebox,serial";
> 			nvmem-cell-names = "serial-number";
> 			nvmem-cells = &some_provider;
> 		};
> 	};

This driver only works when the EEPROM or whatever provides the NVMEM
contains the serial number in exactly the same format as shall be added
to the /serial-number property. This seems to be a special case only and
doesn't seem to justify a generic driver.

Sascha

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