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SubjectRe: [PATCH 1/3] dt-bindings: mfd: axp20x: Document backup battery charging property
On Sat, 30 Dec 2017, Paul Kocialkowski wrote:

> This adds documentation for the "backup" property of the axp20x driver,
> that controls the charging mechanism for the backup battery on axp20x.
>
> Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
>
> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
> index 9455503b0299..382776b29932 100644
> --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> @@ -58,6 +58,11 @@ Optional properties:
> See Documentation/devicetree/bindings/regulator/regulator.txt
> for more information on standard regulator bindings.
>
> +- backup: An array of two integers for backup battery charging (axp20x-only),
> + describing the charging voltage in mV first and the charging current
> + in uA second. Backup battery charging is only enabled when these two
> + fields are filled.
> +
> Optional properties for DCDC regulators:
> - x-powers,dcdc-workmode: 1 for PWM mode, 0 for AUTO (PWM/PFM) mode
> Default: Current hardware setting
> @@ -256,4 +261,6 @@ axp209: pmic@34 {
> /* unused but preferred to be managed by OS */
> };
> };
> +
> + backup = <3000 200>;

It's unlikely that this will become a generic property, so you should
prefix it with your vendor ID.

> };

--
Lee Jones
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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