On Thu, Sep 15, 2022 at 4:49 AM ChiaEn Wu <peterwu.pub@xxxxxxxxx> wrote: > > From: ChiaEn Wu <chiaen_wu@xxxxxxxxxxx> > > Add MediaTek MT6370 Charger binding documentation. > > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > Signed-off-by: ChiaEn Wu <chiaen_wu@xxxxxxxxxxx> > --- > v11 > - Add more detailed description of irqs. > - Adujust the order of irqs > --- > .../power/supply/mediatek,mt6370-charger.yaml | 96 ++++++++++++++++++++++ > 1 file changed, 96 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/mediatek,mt6370-charger.yaml > > diff --git a/Documentation/devicetree/bindings/power/supply/mediatek,mt6370-charger.yaml b/Documentation/devicetree/bindings/power/supply/mediatek,mt6370-charger.yaml > new file mode 100644 > index 0000000..fd491c5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/mediatek,mt6370-charger.yaml > @@ -0,0 +1,96 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/power/supply/mediatek,mt6370-charger.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek MT6370 Battery Charger > + > +maintainers: > + - ChiaEn Wu <chiaen_wu@xxxxxxxxxxx> > + > +description: | > + This module is part of the MT6370 MFD device. > + Provides Battery Charger, Boost for OTG devices and BC1.2 detection. > + > +properties: > + compatible: > + const: mediatek,mt6370-charger > + > + interrupts: > + description: | > + Specify what irqs are needed to be handled by MT6370 Charger driver. > + We need to use the IRQ "MT6370_IRQ_OVPCTRL_UVP_D" to know when USB > + is plugged in, and then the driver will enable BC1.2 detection. > + After the hardware of MT6370 completes the BC1.2 detection, > + IRQ "MT6370_IRQ_ATTACH" will be triggered, and the driver will know > + the result of BC1.2 detection. > + When the IRQ "MT6370_IRQ_CHG_MIVR" is triggered, it means that the > + hardware enters the "Minimum Input Voltage Regulation loop" and > + a workaround needs to be applied at this time. > + In summary, "MT6370_IRQ_OVPCTRL_UVP_D", "MT6370_IRQ_ATTACH" and > + "MT6370_IRQ_CHG_MIVR" are required in this charger driver. > + items: > + - description: irq of "USB is plugged in" > + - description: irq of "BC1.2 is done" > + - description: irq of "Minimum Input Voltage Regulation loop is active" > + > + interrupt-names: > + items: > + - const: uvp_d_evt > + - const: attach_i > + - const: mivr Now warning in linux-next: /builds/robherring/linux-dt/Documentation/devicetree/bindings/mfd/mediatek,mt6370.example.dtb: charger: interrupt-names:0: 'uvp_d_evt' was expected From schema: /builds/robherring/linux-dt/Documentation/devicetree/bindings/power/supply/mediatek,mt6370-charger.yaml /builds/robherring/linux-dt/Documentation/devicetree/bindings/mfd/mediatek,mt6370.example.dtb: charger: interrupt-names:1: 'attach_i' was expected From schema: /builds/robherring/linux-dt/Documentation/devicetree/bindings/power/supply/mediatek,mt6370-charger.yaml
