Merge "power: qcom: introduce QPNP SMB5 charger driver"

Qualcomm Technologies, Inc. SMB5 Charger Specific Bindings

SMB5 Charger is an efficient programmable battery charger capable of charging a

high-capacity lithium-ion battery over micro-USB or USB Type-C ultrafast with

Quick Charge 2.0, Quick Charge 3.0, and USB Power Delivery support. Wireless

charging features full A4WP Rezence 1.2, WPC 1.2, and PMA support.

=======================

Required Node Structure

=======================

SMB5 Charger must be described in two levels of devices nodes.

===============================

First Level Node - SMB5 Charger

===============================

Charger specific properties:

- compatible

  Usage:      required

  Value type: <string>

  Definition: "qcom,qpnp-smb5".

- qcom,pmic-revid

  Usage:      required

  Value type: phandle

  Definition: Should specify the phandle of PMI's revid module. This is used to

		identify the PMI subtype.

- qcom,batteryless-platform

  Usage:      optional

  Value type: <empty>

  Definition: Boolean flag which indicates that the platform does not have a

		battery, and therefore charging should be disabled. In

		addition battery properties will be faked such that the device

		assumes normal operation.

- qcom,fcc-max-ua

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the maximum fast charge current in micro-amps.

		If the value is not present, 1Amp is used as default.

- qcom,fv-max-uv

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the maximum float voltage in micro-volts.

		If the value is not present, 4.35V is used as default.

- qcom,usb-icl-ua

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the USB input current limit in micro-amps.

		 If the value is not present, 1.5Amps is used as default.

- qcom,usb-ocl-ua

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the OTG output current limit in micro-amps.

		If the value is not present, 1.5Amps is used as default.

- qcom,dc-icl-ua

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the DC input current limit in micro-amps.

- qcom,boost-threshold-ua

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the boost current threshold in micro-amps.

		If the value is not present, 100mA is used as default.

- qcom,thermal-mitigation

  Usage:      optional

  Value type: Array of <u32>

  Definition: Array of fast charge current limit values for

		different system thermal mitigation levels.

		This should be a flat array that denotes the

		maximum charge current in mA for each thermal

		level.

- qcom,float-option

  Usage:      optional

  Value type: <u32>

  Definition: Configures how the charger behaves when a float charger is

	      detected by APSD.

	        1 - Treat as a DCP.

	        2 - Treat as a SDP.

	        3 - Disable charging.

	        4 - Suspend USB input.

- qcom,hvdcp-disable

  Usage:      optional

  Value type: <empty>

  Definition: Specifies if hvdcp charging is to be enabled or not.

		If this property is not specified hvdcp will be enabled.

		If this property is specified, hvdcp 2.0 detection will still

		happen but the adapter won't be asked to switch to a higher

		voltage point.

- qcom,chg-inhibit-threshold-mv

  Usage:      optional

  Value type: <u32>

  Definition: Charge inhibit threshold in milli-volts. Charging will be

		inhibited when the battery voltage is within this threshold

		from Vfloat at charger insertion. If this is not specified

		then charge inhibit will be disabled by default.

		Allowed values are: 50, 100, 200, 300.

- qcom,auto-recharge-soc

  Usage:      optional

  Value type: <empty>

  Definition: Specifies if automatic recharge needs to be based off battery

		SOC. If this property is not specified, then auto recharge will

		be based off battery voltage.

- qcom,micro-usb

  Usage:      optional

  Value type: <empty>

  Definition: Boolean flag which indicates that the platform only support

		micro usb port.

- qcom,suspend-input-on-debug-batt

  Usage:      optional

  Value type: <empty>

  Definition: Boolean flag which when present enables input suspend for

		debug battery.

- qcom,min-freq-khz

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the minimum charger buck/boost switching frequency

		in KHz. It overrides the min frequency defined for the charger.

- qcom,max-freq-khz

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the maximum charger buck/boost switching frequency in

		 KHz. It overrides the max frequency defined for the charger.

- qcom,otg-deglitch-time-ms

  Usage:      optional

  Value type: <u32>

  Definition: Specifies the deglitch interval for OTG detection.

		If the value is not present, 50 msec is used as default.

- qcom,step-charging-enable

  Usage:      optional

  Value type: bool

  Definition: Boolean flag which when present enables step-charging.

- qcom,wd-bark-time-secs

  Usage:      optional

  Value type: <u32>

  Definition: WD bark-timeout in seconds. The possible values are

		16, 32, 64, 128. If not defined it defaults to 64.

- qcom,sw-jeita-enable

  Usage:      optional

  Value type: bool

  Definition: Boolean flag which when present enables sw compensation for

		jeita.

- qcom,battery-data

  Usage:      optional

  Value type: <phandle>

  Definition: Specifies the phandle of the node which contains the battery

		profiles supported on the device. This is only specified

		when step charging and sw-jeita configurations are desired

		to be get from these properties defined in battery profile:

		qcom,step-chg-ranges, qcom,jeita-fcc-ranges, qcom,jeita-fv-ranges.

=============================================

Second Level Nodes - SMB5 Charger Peripherals

=============================================

Peripheral specific properties:

- reg

  Usage:      required

  Value type: <prop-encoded-array>

  Definition: Address and size of the peripheral's register block.

- interrupts

  Usage:      required

  Value type: <prop-encoded-array>

  Definition: Peripheral interrupt specifier.

- interrupt-names

  Usage:      required

  Value type: <stringlist>

  Definition: Interrupt names.  This list must match up 1-to-1 with the

	      interrupts specified in the 'interrupts' property.

=======

Example

=======

pmi8998_charger: qcom,qpnp-smb5 {

	compatible = "qcom,qpnp-smb5";

	#address-cells = <1>;

	#size-cells = <1>;

	dpdm-supply = <&qusb_phy0>;

	qcom,chgr@1000 {

		reg = <0x1000 0x100>;

		interrupts =	<0x2 0x10 0x0 IRQ_TYPE_NONE>,

				<0x2 0x10 0x1 IRQ_TYPE_NONE>,

				<0x2 0x10 0x2 IRQ_TYPE_NONE>,

				<0x2 0x10 0x3 IRQ_TYPE_NONE>,

				<0x2 0x10 0x4 IRQ_TYPE_NONE>;

		interrupt-names =	"chg-error",

					"chg-state-change",

					"step-chg-state-change",

					"step-chg-soc-update-fail",

					"step-chg-soc-update-request";

	};

	qcom,otg@1100 {

		reg = <0x1100 0x100>;

		interrupts =	<0x2 0x11 0x0 IRQ_TYPE_NONE>,

				<0x2 0x11 0x1 IRQ_TYPE_NONE>,

				<0x2 0x11 0x2 IRQ_TYPE_NONE>,

				<0x2 0x11 0x3 IRQ_TYPE_NONE>;

		interrupt-names =	"otg-fail",

					"otg-overcurrent",

					"otg-oc-dis-sw-sts",

					"testmode-change-detect";

	};

	qcom,bat-if@1200 {

		reg = <0x1200 0x100>;

		interrupts =	<0x2 0x12 0x0 IRQ_TYPE_NONE>,

				<0x2 0x12 0x1 IRQ_TYPE_NONE>,

				<0x2 0x12 0x2 IRQ_TYPE_NONE>,

				<0x2 0x12 0x3 IRQ_TYPE_NONE>,

				<0x2 0x12 0x4 IRQ_TYPE_NONE>,

				<0x2 0x12 0x5 IRQ_TYPE_NONE>;

		interrupt-names =	"bat-temp",

					"bat-ocp",

					"bat-ov",

					"bat-low",

					"bat-therm-or-id-missing",

					"bat-terminal-missing";

	};

	qcom,usb-chgpth@1300 {

		reg = <0x1300 0x100>;

		interrupts =	<0x2 0x13 0x0 IRQ_TYPE_NONE>,

				<0x2 0x13 0x1 IRQ_TYPE_NONE>,

				<0x2 0x13 0x2 IRQ_TYPE_NONE>,

				<0x2 0x13 0x3 IRQ_TYPE_NONE>,

				<0x2 0x13 0x4 IRQ_TYPE_NONE>,

				<0x2 0x13 0x5 IRQ_TYPE_NONE>,

				<0x2 0x13 0x6 IRQ_TYPE_NONE>,

				<0x2 0x13 0x7 IRQ_TYPE_NONE>;

		interrupt-names =	"usbin-collapse",

					"usbin-lt-3p6v",

					"usbin-uv",

					"usbin-ov",

					"usbin-plugin",

					"usbin-src-change",

					"usbin-icl-change",

					"type-c-change";

	};

	qcom,dc-chgpth@1400 {

		reg = <0x1400 0x100>;

		interrupts =	<0x2 0x14 0x0 IRQ_TYPE_NONE>,

				<0x2 0x14 0x1 IRQ_TYPE_NONE>,

				<0x2 0x14 0x2 IRQ_TYPE_NONE>,

				<0x2 0x14 0x3 IRQ_TYPE_NONE>,

				<0x2 0x14 0x4 IRQ_TYPE_NONE>,

				<0x2 0x14 0x5 IRQ_TYPE_NONE>,

				<0x2 0x14 0x6 IRQ_TYPE_NONE>;

		interrupt-names =	"dcin-collapse",

					"dcin-lt-3p6v",

					"dcin-uv",

					"dcin-ov",

					"dcin-plugin",

					"div2-en-dg",

					"dcin-icl-change";

	};

	qcom,chgr-misc@1600 {

		reg = <0x1600 0x100>;

		interrupts =	<0x2 0x16 0x0 IRQ_TYPE_NONE>,

				<0x2 0x16 0x1 IRQ_TYPE_NONE>,

				<0x2 0x16 0x2 IRQ_TYPE_NONE>,

				<0x2 0x16 0x3 IRQ_TYPE_NONE>,

				<0x2 0x16 0x4 IRQ_TYPE_NONE>,

				<0x2 0x16 0x5 IRQ_TYPE_NONE>,

				<0x2 0x16 0x6 IRQ_TYPE_NONE>,

				<0x2 0x16 0x7 IRQ_TYPE_NONE>;

		interrupt-names =	"wdog-snarl",

					"wdog-bark",

					"aicl-fail",

					"aicl-done",

					"high-duty-cycle",

					"input-current-limiting",

					"temperature-change",

					"switcher-power-ok";

	};

};

	  VBUS and VCONN regulators are registered for supporting OTG,

	  and powered Type-C cables respectively.

config QPNP_SMB5

	tristate "SMB5 Battery Charger"

	depends on MFD_SPMI_PMIC

	help

	  Say Y to enables support for the SMB5 charging peripheral.

	  The QPNP SMB5 charger driver supports the charger peripheral

	  present in the chip.

	  The power supply framework is used to communicate battery and

	  usb properties to userspace and other driver consumers such

	  as fuel gauge, USB, and USB-PD.

	  VBUS and VCONN regulators are registered for supporting OTG,

	  and powered Type-C cables respectively.

config SMB138X_CHARGER

	tristate "SMB138X Battery Charger"

	depends on MFD_I2C_PMIC

obj-$(CONFIG_SMB138X_CHARGER)	+= step-chg-jeita.o smb138x-charger.o smb-lib.o pmic-voter.o storm-watch.o battery.o

obj-$(CONFIG_QPNP_QNOVO)	+= qpnp-qnovo.o battery.o

obj-$(CONFIG_QPNP_TYPEC)	+= qpnp-typec.o

obj-$(CONFIG_QPNP_SMB5)		+= step-chg-jeita.o battery.o qpnp-smb5.o smb5-lib.o pmic-voter.o storm-watch.o