Re: [PATCH 2/2] power: tps65217_charger: Add properties like voltage and current charge

From: Rob Herring
Date: Mon Apr 10 2017 - 11:03:26 EST


On Mon, Apr 03, 2017 at 06:44:46PM +0200, Enric Balletbo i Serra wrote:
> Allow the possibility to configure the charge and the current voltage of
> the charger and also the NTC type for battery temperature measurement.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
> ---
> .../bindings/power/supply/tps65217_charger.txt | 15 ++
> drivers/power/supply/tps65217_charger.c | 187 +++++++++++++++++++--
> include/linux/mfd/tps65217.h | 2 +
> 3 files changed, 192 insertions(+), 12 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt b/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt
> index a11072c..600da6e 100644
> --- a/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt
> +++ b/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt
> @@ -6,6 +6,18 @@ Required Properties:
> Should be <0> for the USB charger and <1> for the AC adapter.
> -interrupt-names: Should be "USB" and "AC"
>
> +Optional properties:
> +-ti,charge-voltage-uvolt: set the charge voltage. The value can be: 4100000,
> + 4150000, 4200000, 4250000; default: 4100000
> +
> +-ti,charge-current-uamp: set the charging current. The value can be: 300000,
> + 400000, 500000, 700000; default: 500000

These should be standard properties. (Also, you are not using standard
unit suffixes. See bindings/property-units.txt.)

> +
> +-ti,ntc-type: set the NTC type for battery temperature measurement. The value
> + must be 0 or 1, where:
> + 0 â 100k (curve 1, B = 3960)
> + 1 â 10k (curve 2, B = 3480) (default)
> +
> This node is a subnode of the tps65217 PMIC.
>
> Example:
> @@ -14,4 +26,7 @@ Example:
> compatible = "ti,tps65217-charger";
> interrupts = <0>, <1>;
> interrupt-names = "USB", "AC";
> + ti,charge-voltage-uvolt = <4100000>;
> + ti,charge-current-uamp = <500000>;
> + ti,ntc-type = <1>;
> };