dt-bindings: hwmon: pmbus: ti,lm25066: add current limit properties

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Add a 'ti,current-range' string property to configure the device's Current
Limit (CL) behavior to "high" or "low" via the register, overriding the
physical CL pin setting.

This configuration is supported on LM25066, LM5064, LM5066, and LM5066i.
LM25056 is excluded because it does not support configuring the current
limit via the DEVICE_SETUP register (bit 2 of DEVICE_SETUP is reserved).

The values "low" and "high" map to the respective low/high threshold
voltages of the chips:
- LM25066: low = 25 mV, high = 46 mV
- LM5064, LM5066, LM5066i: low = 26 mV, high = 50 mV

Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260615-lm25066-cl-config-v3-1-decb4f5b0b77@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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Potin Lai 2026-06-15 17:49:16 +08:00 • committed by Guenter Roeck

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commit 47afef9f4c

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Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml

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