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-AXP family PMIC device tree bindings
-
-The axp20x family current members :
-axp152 (X-Powers)
-axp202 (X-Powers)
-axp209 (X-Powers)
-axp221 (X-Powers)
-axp223 (X-Powers)
-axp803 (X-Powers)
-axp806 (X-Powers)
-axp809 (X-Powers)
-axp813 (X-Powers)
-
-The AXP813 is 2 chips packaged into 1. The 2 chips do not share anything
-other than the packaging. Pins are routed separately. As such they should
-be treated as separate entities. The other half is an AC100 RTC/codec
-combo chip. Please see ./ac100.txt for its bindings.
-
-Required properties:
-- compatible: should be one of:
- * "x-powers,axp152"
- * "x-powers,axp202"
- * "x-powers,axp209"
- * "x-powers,axp221"
- * "x-powers,axp223"
- * "x-powers,axp803"
- * "x-powers,axp806"
- * "x-powers,axp805", "x-powers,axp806"
- * "x-powers,axp809"
- * "x-powers,axp813"
-- reg: The I2C slave address or RSB hardware address for the AXP chip
-- interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin
-- interrupt-controller: The PMIC has its own internal IRQs
-- #interrupt-cells: Should be set to 1
-
-Supported common regulator properties, see ../regulator/regulator.txt for
-more information:
-- regulator-ramp-delay: sets the ramp up delay in uV/us
- AXP20x/DCDC2: 1600, 800
- AXP20x/LDO3: 1600, 800
-- regulator-soft-start: enable the output at the lowest possible voltage and
- only then set the desired voltage
- AXP20x/LDO3: software-based implementation
-
-Optional properties:
-- x-powers,dcdc-freq: defines the work frequency of DC-DC in KHz
- AXP152/20X: range: 750-1875, Default: 1.5 MHz
- AXP22X/8XX: range: 1800-4050, Default: 3 MHz
-
-- x-powers,drive-vbus-en: boolean, set this when the N_VBUSEN pin is
- used as an output pin to control an external
- regulator to drive the OTG VBus, rather then
- as an input pin which signals whether the
- board is driving OTG VBus or not.
- (axp221 / axp223 / axp803/ axp813 only)
-
-- x-powers,self-working-mode and
- x-powers,master-mode: Boolean (axp806 only). Set either of these when the
- PMIC is wired for self-working mode or master mode.
- If neither is set then slave mode is assumed.
- This corresponds to how the MODESET pin is wired.
-
-- <input>-supply: a phandle to the regulator supply node. May be omitted if
- inputs are unregulated, such as using the IPSOUT output
- from the PMIC.
-
-- regulators: A node that houses a sub-node for each regulator. Regulators
- not used but preferred to be managed by the OS should be
- listed as well.
- See Documentation/devicetree/bindings/regulator/regulator.txt
- for more information on standard regulator bindings.
-
-Optional properties for DCDC regulators:
-- x-powers,dcdc-workmode: 1 for PWM mode, 0 for AUTO (PWM/PFM) mode
- Default: Current hardware setting
- The DCDC regulators work in a mixed PWM/PFM mode,
- using PFM under light loads and switching to PWM
- for heavier loads. Forcing PWM mode trades efficiency
- under light loads for lower output noise. This
- probably makes sense for HiFi audio related
- applications that aren't battery constrained.
-
-AXP202/AXP209 regulators, type, and corresponding input supply names:
-
-Regulator Type Supply Name Notes
---------- ---- ----------- -----
-DCDC2 : DC-DC buck : vin2-supply
-DCDC3 : DC-DC buck : vin3-supply
-LDO1 : LDO : acin-supply : always on
-LDO2 : LDO : ldo24in-supply : shared supply
-LDO3 : LDO : ldo3in-supply
-LDO4 : LDO : ldo24in-supply : shared supply
-LDO5 : LDO : ldo5in-supply
-
-AXP221/AXP223 regulators, type, and corresponding input supply names:
-
-Regulator Type Supply Name Notes
---------- ---- ----------- -----
-DCDC1 : DC-DC buck : vin1-supply
-DCDC2 : DC-DC buck : vin2-supply
-DCDC3 : DC-DC buck : vin3-supply
-DCDC4 : DC-DC buck : vin4-supply
-DCDC5 : DC-DC buck : vin5-supply
-DC1SW : On/Off Switch : : DCDC1 secondary output
-DC5LDO : LDO : : input from DCDC5
-ALDO1 : LDO : aldoin-supply : shared supply
-ALDO2 : LDO : aldoin-supply : shared supply
-ALDO3 : LDO : aldoin-supply : shared supply
-DLDO1 : LDO : dldoin-supply : shared supply
-DLDO2 : LDO : dldoin-supply : shared supply
-DLDO3 : LDO : dldoin-supply : shared supply
-DLDO4 : LDO : dldoin-supply : shared supply
-ELDO1 : LDO : eldoin-supply : shared supply
-ELDO2 : LDO : eldoin-supply : shared supply
-ELDO3 : LDO : eldoin-supply : shared supply
-LDO_IO0 : LDO : ips-supply : GPIO 0
-LDO_IO1 : LDO : ips-supply : GPIO 1
-RTC_LDO : LDO : ips-supply : always on
-DRIVEVBUS : Enable output : drivevbus-supply : external regulator
-
-AXP803 regulators, type, and corresponding input supply names:
-
-Regulator Type Supply Name Notes
---------- ---- ----------- -----
-DCDC1 : DC-DC buck : vin1-supply
-DCDC2 : DC-DC buck : vin2-supply : poly-phase capable
-DCDC3 : DC-DC buck : vin3-supply : poly-phase capable
-DCDC4 : DC-DC buck : vin4-supply
-DCDC5 : DC-DC buck : vin5-supply : poly-phase capable
-DCDC6 : DC-DC buck : vin6-supply : poly-phase capable
-DC1SW : On/Off Switch : : DCDC1 secondary output
-ALDO1 : LDO : aldoin-supply : shared supply
-ALDO2 : LDO : aldoin-supply : shared supply
-ALDO3 : LDO : aldoin-supply : shared supply
-DLDO1 : LDO : dldoin-supply : shared supply
-DLDO2 : LDO : dldoin-supply : shared supply
-DLDO3 : LDO : dldoin-supply : shared supply
-DLDO4 : LDO : dldoin-supply : shared supply
-ELDO1 : LDO : eldoin-supply : shared supply
-ELDO2 : LDO : eldoin-supply : shared supply
-ELDO3 : LDO : eldoin-supply : shared supply
-FLDO1 : LDO : fldoin-supply : shared supply
-FLDO2 : LDO : fldoin-supply : shared supply
-LDO_IO0 : LDO : ips-supply : GPIO 0
-LDO_IO1 : LDO : ips-supply : GPIO 1
-RTC_LDO : LDO : ips-supply : always on
-DRIVEVBUS : Enable output : drivevbus-supply : external regulator
-
-AXP806 regulators, type, and corresponding input supply names:
-
-Regulator Type Supply Name Notes
---------- ---- ----------- -----
-DCDCA : DC-DC buck : vina-supply : poly-phase capable
-DCDCB : DC-DC buck : vinb-supply : poly-phase capable
-DCDCC : DC-DC buck : vinc-supply : poly-phase capable
-DCDCD : DC-DC buck : vind-supply : poly-phase capable
-DCDCE : DC-DC buck : vine-supply : poly-phase capable
-ALDO1 : LDO : aldoin-supply : shared supply
-ALDO2 : LDO : aldoin-supply : shared supply
-ALDO3 : LDO : aldoin-supply : shared supply
-BLDO1 : LDO : bldoin-supply : shared supply
-BLDO2 : LDO : bldoin-supply : shared supply
-BLDO3 : LDO : bldoin-supply : shared supply
-BLDO4 : LDO : bldoin-supply : shared supply
-CLDO1 : LDO : cldoin-supply : shared supply
-CLDO2 : LDO : cldoin-supply : shared supply
-CLDO3 : LDO : cldoin-supply : shared supply
-SW : On/Off Switch : swin-supply
-
-Additionally, the AXP806 DC-DC regulators support poly-phase arrangements
-for higher output current. The possible groupings are: A+B, A+B+C, D+E.
-
-AXP809 regulators, type, and corresponding input supply names:
-
-Regulator Type Supply Name Notes
---------- ---- ----------- -----
-DCDC1 : DC-DC buck : vin1-supply
-DCDC2 : DC-DC buck : vin2-supply
-DCDC3 : DC-DC buck : vin3-supply
-DCDC4 : DC-DC buck : vin4-supply
-DCDC5 : DC-DC buck : vin5-supply
-DC1SW : On/Off Switch : : DCDC1 secondary output
-DC5LDO : LDO : : input from DCDC5
-ALDO1 : LDO : aldoin-supply : shared supply
-ALDO2 : LDO : aldoin-supply : shared supply
-ALDO3 : LDO : aldoin-supply : shared supply
-DLDO1 : LDO : dldoin-supply : shared supply
-DLDO2 : LDO : dldoin-supply : shared supply
-ELDO1 : LDO : eldoin-supply : shared supply
-ELDO2 : LDO : eldoin-supply : shared supply
-ELDO3 : LDO : eldoin-supply : shared supply
-LDO_IO0 : LDO : ips-supply : GPIO 0
-LDO_IO1 : LDO : ips-supply : GPIO 1
-RTC_LDO : LDO : ips-supply : always on
-SW : On/Off Switch : swin-supply
-
-AXP813 regulators, type, and corresponding input supply names:
-
-Regulator Type Supply Name Notes
---------- ---- ----------- -----
-DCDC1 : DC-DC buck : vin1-supply
-DCDC2 : DC-DC buck : vin2-supply : poly-phase capable
-DCDC3 : DC-DC buck : vin3-supply : poly-phase capable
-DCDC4 : DC-DC buck : vin4-supply
-DCDC5 : DC-DC buck : vin5-supply : poly-phase capable
-DCDC6 : DC-DC buck : vin6-supply : poly-phase capable
-DCDC7 : DC-DC buck : vin7-supply
-ALDO1 : LDO : aldoin-supply : shared supply
-ALDO2 : LDO : aldoin-supply : shared supply
-ALDO3 : LDO : aldoin-supply : shared supply
-DLDO1 : LDO : dldoin-supply : shared supply
-DLDO2 : LDO : dldoin-supply : shared supply
-DLDO3 : LDO : dldoin-supply : shared supply
-DLDO4 : LDO : dldoin-supply : shared supply
-ELDO1 : LDO : eldoin-supply : shared supply
-ELDO2 : LDO : eldoin-supply : shared supply
-ELDO3 : LDO : eldoin-supply : shared supply
-FLDO1 : LDO : fldoin-supply : shared supply
-FLDO2 : LDO : fldoin-supply : shared supply
-FLDO3 : LDO : fldoin-supply : shared supply
-LDO_IO0 : LDO : ips-supply : GPIO 0
-LDO_IO1 : LDO : ips-supply : GPIO 1
-RTC_LDO : LDO : ips-supply : always on
-SW : On/Off Switch : swin-supply
-DRIVEVBUS : Enable output : drivevbus-supply : external regulator
-
-Example:
-
-axp209: pmic@34 {
- compatible = "x-powers,axp209";
- reg = <0x34>;
- interrupt-parent = <&nmi_intc>;
- interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
- interrupt-controller;
- #interrupt-cells = <1>;
-
- regulators {
- x-powers,dcdc-freq = <1500>;
-
- vdd_cpu: dcdc2 {
- regulator-always-on;
- regulator-min-microvolt = <1000000>;
- regulator-max-microvolt = <1450000>;
- regulator-name = "vdd-cpu";
- };
-
- vdd_int_dll: dcdc3 {
- regulator-always-on;
- regulator-min-microvolt = <1000000>;
- regulator-max-microvolt = <1400000>;
- regulator-name = "vdd-int-dll";
- };
-
- vdd_rtc: ldo1 {
- regulator-always-on;
- regulator-min-microvolt = <1200000>;
- regulator-max-microvolt = <1400000>;
- regulator-name = "vdd-rtc";
- };
-
- avcc: ldo2 {
- regulator-always-on;
- regulator-min-microvolt = <2700000>;
- regulator-max-microvolt = <3300000>;
- regulator-name = "avcc";
- };
-
- ldo3 {
- /* unused but preferred to be managed by OS */
- };
- };
-};
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