From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Figa Subject: Re: [PATCH 2/2] mfd: max14577: Add device tree bindings document Date: Thu, 06 Feb 2014 18:30:48 +0100 Message-ID: <52F3C6C8.9090900@samsung.com> References: <1391707641-13543-1-git-send-email-t.figa@samsung.com> <1391707641-13543-2-git-send-email-t.figa@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <1391707641-13543-2-git-send-email-t.figa-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, t.figa-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org Cc: Kyungmin Park , Marek Szyprowski , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Pawel Moll , Mark Rutland List-Id: devicetree@vger.kernel.org Hi, Oops, I have forgotten to add suppress-cc to git send-email and the series went outside the intended audience... Please disregard these patches. Sorry for the noise. Best regards, Tomasz On 06.02.2014 18:27, Tomasz Figa wrote: > From: Krzysztof Kozlowski > > Add document describing device tree bindings for MAX14577 MFD driver > (for both MAX14577 and MAX77836 chipsets). > > Signed-off-by: Krzysztof Kozlowski > Cc: Kyungmin Park > Cc: Tomasz Figa > Cc: Marek Szyprowski > Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > Cc: Rob Herring > Cc: Pawel Moll > Cc: Mark Rutland > --- > Documentation/devicetree/bindings/mfd/max14577.txt | 149 ++++++++++++++++++++ > 1 file changed, 149 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 0000000..f59a4f3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/max14577.txt > @@ -0,0 +1,149 @@ > +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. > + > + > +Optional nodes: > +- max14577-muic/max77836-muic : > + Node used only by extcon consumers. > + Required properties: > + - compatible : "maxim,max14577-muic" or "maxim,max77836-muic" > + > +- regulators : > + Required properties: > + - compatible : "maxim,max14577-regulator" > + or "maxim,max77836-regulator" > + > + May contain a sub-node per regulator from the list below. Each > + sub-node should contain the constraints and initialization information > + for that regulator. See regulator.txt for a description of standard > + properties for these sub-nodes. > + > + List of valid regulator names: > + - for max14577: CHARGER, SAFEOUT. > + - for max77836: CHARGER, SAFEOUT, LDO1, LDO2. > + > + The SAFEOUT is a fixed voltage regulator so there is no need to specify > + voltages for it. > + > + - charger : > + 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. > + - maxim,fast-charge-uamp : Current in uA for Fast Charge; > + Valid values: > + - for max14577: 90000 - 950000; > + - for max77836: 45000 - 475000; > + - maxim,eoc-uamp : Current in uA for End-Of-Charge mode; > + Valid values: > + - for max14577: 50000 - 200000; > + - for max77836: 5000 - 10000; > + - maxim,ovp-uvolt : OverVoltage Protection Threshold in uV; > + In an overvoltage condition, INT asserts and charging > + stops. Valid values: > + - 6000000, 6500000, 7000000, 7500000; > + - maxim,constant-uvolt : Battery Constant Voltage in uV; > + Valid values: > + - 4000000 - 4280000; > + - 4350000; > + > + > +Example: > + > +#include > + > +max14577@25 { > + compatible = "maxim,max14577"; > + reg = <0x25>; > + interrupt-parent = <&gpx1>; > + interrupts = <5 IRQ_TYPE_NONE>; > + > + muic: max14577-muic { > + compatible = "maxim,max14577-muic"; > + }; > + > + regulators { > + compatible = "maxim,max14577-regulator"; > + > + SAFEOUT { > + regulator-name = "SAFEOUT"; > + }; > + CHARGER { > + regulator-name = "CHARGER"; > + regulator-min-microamp = <90000>; > + regulator-max-microamp = <950000>; > + regulator-boot-on; > + }; > + }; > + > + charger { > + compatible = "maxim,max14577-charger"; > + > + maxim,fast-charge-timer = <6>; > + maxim,constant-uvolt = <4350000>; > + maxim,fast-charge-uamp = <450000>; > + maxim,eoc-uamp = <50000>; > + maxim,ovp-uvolt = <6500000>; > + }; > +}; > + > + > +max77836@25 { > + compatible = "maxim,max77836"; > + reg = <0x25>; > + interrupt-parent = <&gpx1>; > + interrupts = <5 IRQ_TYPE_NONE>; > + > + muic: max77836-muic { > + compatible = "maxim,max77836-muic"; > + }; > + > + regulators { > + compatible = "maxim,max77836-regulator"; > + > + SAFEOUT { > + regulator-name = "SAFEOUT"; > + }; > + CHARGER { > + regulator-name = "CHARGER"; > + regulator-min-microamp = <90000>; > + regulator-max-microamp = <950000>; > + regulator-boot-on; > + }; > + LDO1 { > + regulator-name = "LDO1"; > + regulator-min-microvolt = <2700000>; > + regulator-max-microvolt = <2700000>; > + }; > + LDO2 { > + regulator-name = "LDO2"; > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3950000>; > + }; > + }; > + > + charger { > + compatible = "maxim,max77836-charger"; > + > + maxim,fast-charge-timer = <6>; > + maxim,constant-uvolt = <4350000>; > + maxim,fast-charge-uamp = <225000>; > + maxim,eoc-uamp = <7500>; > + maxim,ovp-uvolt = <6500000>; > + }; > +}; > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html