Re: [PATCH v4 1/5] dt-bindings: misc: Add mikrobus-connector

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> The device tree defines the SPI controller associated with mikroBUS SPI
> pins. The driver on match queries and takes a reference to the SPI
> controller but does nothing with it. Once a mikroBUS add-on board is
> detected (by passing manifest using sysfs or reading from 1-wire EEPROM),
> the driver parses the manifest, and if it detects an SPI device in manifest,
> it registers SPI device along with setting properties such as `chip_select`,
> `max_speed_hz`, `mode`, etc.,

How complex can the description of the hardware be in the manifest?

Could i describe an SPI to I2C converter? And then a few temperature
sensors, a fan controller, and a GPIO controller on that I2C bus? And
the GPIO controller is then used for LEDs and a push button? DT
overlays could describe that. Can the manifest?

	Andrew
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