Re: [PATCH v6 2/6] dt-bindings: iio: adc: ad7192: Update clock config

[Conor Dooley <conor@kernel.org>]

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On Mon, Jun 24, 2024 at 03:49:37PM +0300, Alisa-Dariana Roman wrote:
> There are actually 4 configuration modes of clock source for AD719X
> devices. Either a crystal can be attached externally between MCLK1 and
> MCLK2 pins, or an external CMOS-compatible clock can drive the MCLK2
> pin. The other 2 modes make use of the 4.92MHz internal clock.
> 
> To configure external clock as either a crystal or a CMOS-compatible
> clock, changing the register settings is necessary. Therefore, add clock
> name xtal alongside mclk. By selecting one or the other, the register is
> configured.
> 
> The presence of an external clock source is optional, not required. When
> both clocks and clock-names properties are present, an external clock
> source is used. If the intention is to use the internal clock, both
> properties should be absent. Modify required properties accordingly.
> 
> Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

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