Documentation of device tree bindings for mfd devices

Hi,

I wrote a driver for the backlight of the tps65217 PMIC, which is a mfd device. The driver has device tree support and I want to document the bindings.

It is not clear to me where this documentation should go. Currently the bindings of the tps65217 driver are documented in Documentation/devicetree/bindings/regulator/tps65217.txt , which definitely isn't the right place to add backlight specific documentation. The common practice seems to be to document mfd devices including their subdevices in Documentation/devicetree/bindings/mfd. To follow this convention my steps would be moving tps65217.txt to the mfd directory and adding the backlight specific documentation.

Please confirm whether this is the correct/preferred way to document device tree bindings of mfd devices

Matthias Kaehlcke
Embedded Linux Developer
Amsterdam

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