Re: [PATCH V3 05/15] dt-bindings: power: supply: axp20x: Add input-current-limit-microamp

Krzysztof Kozlowski
2024-08-20T07:42:12Z

On Mon, Aug 19, 2024 at 11:46:09AM -0500, Chris Morgan wrote:
> From: Chris Morgan <macromorgan@hotmail.com>
>
> Allow specifying a hard limit of the maximum input current. Some PMICs
> such as the AXP717 can pull up to 3.25A, so allow a value to be
> specified that clamps this in the event the hardware is not designed
> for it.
>
> Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
> ---
> .../x-powers,axp20x-usb-power-supply.yaml | 69 ++++++++++++++++++-
> 1 file changed, 66 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml b/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml
> index 34b7959d6772..9cc300e78f60 100644
> --- a/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml
> +++ b/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml
> @@ -15,9 +15,6 @@ maintainers:
> - Chen-Yu Tsai <wens@csie.org>
> - Sebastian Reichel <sre@kernel.org>
>
> -allOf:
> - - $ref: power-supply.yaml#
> -
> properties:
> compatible:
> oneOf:
> @@ -31,8 +28,74 @@ properties:
> - const: x-powers,axp803-usb-power-supply
> - const: x-powers,axp813-usb-power-supply
>
> + input-current-limit-microamp:
> + description:
> + Optional value to clamp the maximum input current limit to for
> + the device. If omitted, the programmed value from the EFUSE will
> + be used.

minimum: 100000
maximum: 4000000
(or whatever the values are)

Best regards,
Krzysztof