Merge branches 'ib-mfd-gpio-4.9', 'ib-mfd-gpio-regulator-4.9',...

This file allows to turn off the disk entropy contribution. Default

value of this file is '1'(on).

dax (RO)

--------

This file indicates whether the device supports Direct Access (DAX),

used by CPU-addressable storage to bypass the pagecache.  It shows '1'

if true, '0' if not.

discard_granularity (RO)

-----------------------

This shows the size of internal allocation of the device in bytes, if

-------------------

This is the hardware sector size of the device, in bytes.

io_poll (RW)

------------

When read, this file shows the total number of block IO polls and how

many returned success.  Writing '0' to this file will disable polling

for this device.  Writing any non-zero value will enable this feature.

iostats (RW)

-------------

This file is used to control (on/off) the iostats accounting of the

setting from "write back" to "write through", since that will also

eliminate cache flushes issued by the kernel.

write_same_max_bytes (RO)

-------------------------

This is the number of bytes the device can write in a single write-same

command.  A value of '0' means write-same is not supported by this

device.

Jens Axboe <jens.axboe@oracle.com>, February 2009

X-Powers AC100 Codec/RTC IC Device Tree bindings

AC100 is a audio codec and RTC subsystem combo IC. The 2 parts are

separated, including power supplies and interrupt lines, but share

a common register address space and host interface.

Required properties:

- compatible: "x-powers,ac100"

- reg: The I2C slave address or RSB hardware address for the chip

- sub-nodes:

  - codec

    - compatible:		"x-powers,ac100-codec"

    - interrupt-parent:		The parent interrupt controller

    - interrupts:		SoC NMI / GPIO interrupt connected to the

    				IRQ_AUDIO pin

    - #clock-cells:		Shall be 0

    - clock-output-names:	"4M_adda"

    - see clock/clock-bindings.txt for common clock bindings

  - rtc

    - compatible:		"x-powers,ac100-rtc"

    - interrupt-parent:		The parent interrupt controller

    - interrupts:		SoC NMI / GPIO interrupt connected to the

    				IRQ_RTC pin

    - clocks:			A phandle to the codec's "4M_adda" clock

    - #clock-cells:		Shall be 1

    - clock-output-names:	"cko1_rtc", "cko2_rtc", "cko3_rtc"

    - see clock/clock-bindings.txt for common clock bindings

Example:

ac100: codec@e89 {

	compatible = "x-powers,ac100";

	reg = <0xe89>;

	ac100_codec: codec {

		compatible = "x-powers,ac100-codec";

		interrupt-parent = <&r_pio>;

		interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */

		#clock-cells = <0>;

		clock-output-names = "4M_adda";

	};

	ac100_rtc: rtc {

		compatible = "x-powers,ac100-rtc";

		interrupt-parent = <&nmi_intc>;

		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;

		clocks = <&ac100_codec>;

		#clock-cells = <1>;

		clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";

	};

};

Required properties:

- compatible: "x-powers,axp152", "x-powers,axp202", "x-powers,axp209",

	      "x-powers,axp221", "x-powers,axp223", "x-powers,axp809"

	      "x-powers,axp221", "x-powers,axp223", "x-powers,axp806",

	      "x-powers,axp809"

- reg: The I2C slave address or RSB hardware address for the AXP chip

- interrupt-parent: The parent interrupt controller

- interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin

			  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

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

		    "qcom,pm8058-rtc"

		    "qcom,pm8921-rtc"

		    "qcom,pm8941-rtc"

		    "qcom,pm8018-rtc"

- reg:

	Usage: required

		    "qcom,rpm-msm8660"

		    "qcom,rpm-msm8960"

		    "qcom,rpm-ipq8064"

		    "qcom,rpm-mdm9615"

- reg:

	Usage: required

		    "qcom,rpm-pm8058-regulators"

		    "qcom,rpm-pm8901-regulators"

		    "qcom,rpm-pm8921-regulators"

		    "qcom,rpm-pm8018-regulators"

- vdd_l0_l1_lvs-supply:

- vdd_l2_l11_l12-supply:

	Definition: reference to regulator supplying the input pin, as

		    described in the data sheet

- vin_lvs1-supply:

- vdd_l7-supply:

- vdd_l8-supply:

- vdd_l9_l10_l11_l12-supply:

	Usage: optional (pm8018 only)

	Value type: <phandle>

	Definition: reference to regulator supplying the input pin, as

		    described in the data sheet

The regulator node houses sub-nodes for each regulator within the device. Each

sub-node is identified using the node's name, with valid values listed for each

of the pmics below.

	l29, lvs1, lvs2, lvs3, lvs4, lvs5, lvs6, lvs7, usb-switch, hdmi-switch,

	ncp

pm8018:

	s1, s2, s3, s4, s5, , l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,

	l12, l14, lvs1

The content of each sub-node is defined by the standard binding for regulators -

see regulator.txt - with additional custom properties described below: