W dniu 26.09.2015 o 00:54, Andreas Dannenberg pisze:
> Extend the bq24257 charger's device tree documentation to cover the
> bq24250 and bq24251 devices as well feature additions.
>
> Signed-off-by: Andreas Dannenberg <dannenberg@xxxxxx>
> ---
> .../devicetree/bindings/power/bq24257.txt | 53 ++++++++++++++++++++--
> 1 file changed, 48 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/power/bq24257.txt b/Documentation/devicetree/bindings/power/bq24257.txt
> index 5c9d394..6c376ef 100644
> --- a/Documentation/devicetree/bindings/power/bq24257.txt
> +++ b/Documentation/devicetree/bindings/power/bq24257.txt
> @@ -1,21 +1,64 @@
> -Binding for TI bq24257 Li-Ion Charger
> +Binding for TI bq24250/bq24251/bq24257 Li-Ion Charger
>
> Required properties:
> - compatible: Should contain one of the following:
> + * "ti,bq24250"
> + * "ti,bq24251"
> * "ti,bq24257"
> -- reg: integer, i2c address of the device.
> +- reg: integer, i2c address of the device.
> +- interrupt-parent: Should be the phandle for the interrupt controller. Use in
> + conjunction with "interrupts".
> +- interrupts: Interrupt mapping for GPIO IRQ (configure for both edges). Use in
> + conjunction with "interrupt-parent".
> - ti,battery-regulation-voltage: integer, maximum charging voltage in uV.
> -- ti,charge-current: integer, maximum charging current in uA.
> -- ti,termination-current: integer, charge will be terminated when current in
> - constant-voltage phase drops below this value (in uA).
> +- ti,charge-current: integer, maximum charging current in uA.
> +- ti,termination-current: integer, charge will be terminated when current in
> + constant-voltage phase drops below this value (in uA).
> +
> +Optional properties:
> +- pg-gpios: GPIO used for connecting the bq2425x device PG (Power Good) pin.
> + This pin is not available on all devices however it should be used if
> + possible as this is the recommended way to obtain the charger's input PG
> + state. If this pin is not specified a software-based approach for PG
> + detection is used.
> +- ti,current-limit: The maximum current to be drawn from the charger's input
> + (in uA). If this property is not specified a USB D+/D- signal based charger
> + type detection is used (if available) and the input limit current is set
> + accordingly. If the D+/D- based detection is not available on a given device
> + a default of 500,000 is used (=500mA).
> +- ti,ovp-voltage: Configures the over voltage protection voltage (in uV). If
> + not specified a default of 6,5000,000 (=6.5V) is used.
> +- ti,in-dpm-voltage: Configures the threshold input voltage for the dynamic
> + power path management (in uV). If not specified a default of 4,360,000
> + (=4.36V) is used.
>
> Example:
>
> bq24257 {
> compatible = "ti,bq24257";
> reg = <0x6a>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <16 IRQ_TYPE_EDGE_BOTH>;
> +
> + pg-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
>
> ti,battery-regulation-voltage = <4200000>;
> ti,charge-current = <1000000>;
> ti,termination-current = <50000>;
> };
> +
> +Example:
> +
> +bq24250 {
> + compatible = "ti,bq24250";
> + reg = <0x6a>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <16 IRQ_TYPE_EDGE_BOTH>;
> +
> + ti,battery-regulation-voltage = <4200000>;
> + ti,charge-current = <500000>;
> + ti,termination-current = <50000>;
> + ti,current-limit = <900000>;
> + ti,ovp-voltage = <9500000>;
> + ti,in-dpm-voltage = <4440000>;
> +};
Once again:
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Best regards,
Krzysztof
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