Messages in this thread | | | Subject | Re: [RESEND PATCH 5/5] devicetree: mfd: max14577: Add device tree bindings document | From | Krzysztof Kozlowski <> | Date | Thu, 03 Jul 2014 13:44:34 +0200 |
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On czw, 2014-07-03 at 12:32 +0100, Mark Rutland wrote: > Hi, > > On Tue, Jul 01, 2014 at 08:02:00AM +0100, Krzysztof Kozlowski wrote: > > Add document describing device tree bindings for MAX14577 MFD > > drivers: MFD core, extcon, regulator and charger. > > > > Both MAX14577 and MAX77836 chipsets are documented. > > > > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> > > Cc: Kyungmin Park <kyungmin.park@samsung.com> > > Cc: Tomasz Figa <t.figa@samsung.com> > > Cc: devicetree@vger.kernel.org > > Cc: Rob Herring <robh+dt@kernel.org> > > Cc: Pawel Moll <pawel.moll@arm.com> > > Cc: Mark Rutland <mark.rutland@arm.com> > > Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> > > Cc: Kumar Gala <galak@codeaurora.org> > > Reviewed-by: Tomasz Figa <t.figa@samsung.com> > > --- > > Documentation/devicetree/bindings/mfd/max14577.txt | 152 +++++++++++++++++++++ > > 1 file changed, 152 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/mfd/max14577.txt > > > > diff --git a/Documentation/devicetree/bindings/mfd/max14577.txt b/Documentation/devicetree/bindings/mfd/max14577.txt > > new file mode 100644 > > index 000000000000..b235250a7b41 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/mfd/max14577.txt > > @@ -0,0 +1,152 @@ > > +Maxim MAX14577/77836 Multi-Function Device > > + > > +MAX14577 is a Multi-Function Device with Micro-USB Interface Circuit, Li+ > > +Battery Charger and SFOUT LDO output for powering USB devices. It is > > +interfaced to host controller using I2C. > > + > > +MAX77836 additionally contains PMIC (with two LDO regulators) and Fuel Gauge. > > + > > + > > +Required properties: > > +- compatible : Must be "maxim,max14577" or "maxim,max77836". > > +- reg : I2C slave address for the max14577 chip (0x25 for max14577/max77836) > > +- interrupts : IRQ line for the chip. > > +- interrupt-parent : The parent interrupt controller. > > + > > + > > +Required nodes: > > + - charger : > > + Node for configuring the charger driver. > > + Required properties: > > + - compatible : "maxim,max14577-charger" > > + or "maxim,max77836-charger" > > + - maxim,fast-charge-timer : Timer in hours to trigger the > > + INT3/MBCCHGERR interrupt; Valid values: > > + - 5, 6 or 7 (hours), > > + - 0 to disable. > > I'm not sure I follow what this is any why it should be in the DT. > > Could you explain what this is used for?
Hi,
These are settings for max14577 battery charger. Actually this particular setting does not look like board-specific but other (like battery voltage) do.
The timer above is used by device to stop charging and to trigger interrupt.
Best regards, Krzysztof
> > Thanks, > Mark.
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