[reduced CC list] Hi Quentin, On Wed, Apr 5, 2017 at 1:10 AM, Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx> wrote: > The X-Powers AXP20X and AXP22X PMICs can have a battery as power supply. > > This patch adds the DT binding documentation for the battery power > supply which gets various data from the PMIC, such as the battery status > (charging, discharging, full, dead), current max limit, current current, > battery capacity (in percentage), voltage max and min limits, current > voltage and battery capacity (in Ah). > > Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx> > Acked-by: Chen-Yu Tsai <wens@xxxxxxxx> > Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > --- > > v5: > - removed DT property example from monitored-battery, > > v4: > - added monitored-battery optional property, > - added example with battery, > > v3: > - removed constant charge current property, now should use the WIP > battery framework, > > v2: > - changed DT node name from ac_power_supply to ac-power-supply, > - removed io-channels and io-channel-names from DT (the IIO mapping is > done in the IIO ADC driver now), > - added x-powers,constant-charge-current property to set the maximal > default constant current charge of the battery, > > .../bindings/power/supply/axp20x_battery.txt | 28 ++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/axp20x_battery.txt > > diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt > new file mode 100644 > index 0000000..63826fd > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt > @@ -0,0 +1,28 @@ > +AXP20x and AXP22x battery power supply > + > +Required Properties: > + - compatible, one of: > + "x-powers,axp209-battery-power-supply" > + "x-powers,axp221-battery-power-supply" > + > +Optional properties: > + - monitored-battery, phandle to a fixed battery Say here what properties of the battery your driver considers, e.g. https://patchwork.kernel.org/patch/9660987/ > + > +This node is a subnode of the axp20x/axp22x PMIC. > + > +The AXP20X and AXP22X can read the battery voltage, charge and discharge > +currents of the battery by reading ADC channels from the AXP20X/AXP22X > +ADC. > + > +Example: > + > +battery: battery { > + compatible = "fixed-battery"; This is now "simple-battery". Also needs properties. > +}; > + > +&axp209 { > + battery_power_supply: battery-power-supply { > + compatible = "x-powers,axp209-battery-power-supply"; > + monitored-battery = <&battery>; > + } > +}; > -- > 2.9.3 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
