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Diffstat (limited to 'Documentation/devicetree/bindings/regulator')
16 files changed, 1112 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/88pm860x.txt b/Documentation/devicetree/bindings/regulator/88pm860x.txt new file mode 100644 index 00000000..1267b3e1 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/88pm860x.txt @@ -0,0 +1,30 @@ +Marvell 88PM860x regulator + +Required properties: +- compatible: "marvell,88pm860x" +- reg: I2C slave address +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the regulator-compatible + property, with valid values listed below. + +Example: + + pmic: 88pm860x@34 { + compatible = "marvell,88pm860x"; + reg = <0x34>; + + regulators { + BUCK1 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1500000>; + regulator-boot-on; + regulator-always-on; + }; + BUCK3 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3000000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt new file mode 100644 index 00000000..758eae24 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt @@ -0,0 +1,37 @@ +Anatop Voltage regulators + +Required properties: +- compatible: Must be "fsl,anatop-regulator" +- anatop-reg-offset: Anatop MFD register offset +- anatop-vol-bit-shift: Bit shift for the register +- anatop-vol-bit-width: Number of bits used in the register +- anatop-min-bit-val: Minimum value of this register +- anatop-min-voltage: Minimum voltage of this regulator +- anatop-max-voltage: Maximum voltage of this regulator + +Optional properties: +- anatop-delay-reg-offset: Anatop MFD step time register offset +- anatop-delay-bit-shift: Bit shift for the step time register +- anatop-delay-bit-width: Number of bits used in the step time register + +Any property defined as part of the core regulator +binding, defined in regulator.txt, can also be used. + +Example: + + regulator-vddpu { + compatible = "fsl,anatop-regulator"; + regulator-name = "vddpu"; + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + anatop-reg-offset = <0x140>; + anatop-vol-bit-shift = <9>; + anatop-vol-bit-width = <5>; + anatop-delay-reg-offset = <0x170>; + anatop-delay-bit-shift = <24>; + anatop-delay-bit-width = <2>; + anatop-min-bit-val = <1>; + anatop-min-voltage = <725000>; + anatop-max-voltage = <1300000>; + }; diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt new file mode 100644 index 00000000..fe341147 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt @@ -0,0 +1,34 @@ +Fixed Voltage regulators + +Required properties: +- compatible: Must be "regulator-fixed"; + +Optional properties: +- gpio: gpio to use for enable control +- startup-delay-us: startup time in microseconds +- enable-active-high: Polarity of GPIO is Active high + If this property is missing, the default assumed is Active low. +- gpio-open-drain: GPIO is open drain type. + If this property is missing then default assumption is false. +- vin-supply: Input supply name. + +Any property defined as part of the core regulator +binding, defined in regulator.txt, can also be used. +However a fixed voltage regulator is expected to have the +regulator-min-microvolt and regulator-max-microvolt +to be the same. + +Example: + + abc: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "fixed-supply"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio1 16 0>; + startup-delay-us = <70000>; + enable-active-high; + regulator-boot-on; + gpio-open-drain; + vin-supply = "input-supply-name"; + }; diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt new file mode 100644 index 00000000..63c65980 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt @@ -0,0 +1,37 @@ +GPIO controlled regulators + +Required properties: +- compatible : Must be "regulator-gpio". +- states : Selection of available voltages and GPIO configs. + if there are no states, then use a fixed regulator + +Optional properties: +- enable-gpio : GPIO to use to enable/disable the regulator. +- gpios : GPIO group used to control voltage. +- startup-delay-us : Startup time in microseconds. +- enable-active-high : Polarity of GPIO is active high (default is low). + +Any property defined as part of the core regulator binding defined in +regulator.txt can also be used. + +Example: + + mmciv: gpio-regulator { + compatible = "regulator-gpio"; + + regulator-name = "mmci-gpio-supply"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2600000>; + regulator-boot-on; + + enable-gpio = <&gpio0 23 0x4>; + gpios = <&gpio0 24 0x4 + &gpio0 25 0x4>; + states = <1800000 0x3 + 2200000 0x2 + 2600000 0x1 + 2900000 0x0>; + + startup-delay-us = <100000>; + enable-active-high; + }; diff --git a/Documentation/devicetree/bindings/regulator/max8907.txt b/Documentation/devicetree/bindings/regulator/max8907.txt new file mode 100644 index 00000000..371eccd1 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/max8907.txt @@ -0,0 +1,69 @@ +MAX8907 regulator + +Required properties: +- compatible: "maxim,max8907" +- reg: I2C slave address +- interrupts: The interrupt output of the controller +- mbatt-supply: The input supply for MBATT, BBAT, SDBY, VRTC. +- in-v1-supply: The input supply for SD1. +- in-v2-supply: The input supply for SD2. +- in-v3-supply: The input supply for SD3. +- in1-supply: The input supply for LDO1. +... +- in20-supply: The input supply for LDO20. +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name (or the deprecated + regulator-compatible property if present), with valid values listed below. + The content of each sub-node is defined by the standard binding for + regulators; see regulator.txt. + +Optional properties: +- maxim,system-power-controller: Boolean property indicating that the PMIC + controls the overall system power. + +The valid names for regulators are: + + sd1, sd2, sd3, ldo1, ldo2, ldo3, ldo4, ldo5, ldo6, ldo7, ldo8, ldo9, ldo10, + ldo11, ldo12, ldo13, ldo14, ldo15, ldo16, ldo17, ldo18, ldo19, ldo20, out5v, + out33v, bbat, sdby, vrtc. + +Example: + + max8907@3c { + compatible = "maxim,max8907"; + reg = <0x3c>; + interrupts = <0 86 0x4>; + + maxim,system-power-controller; + + mbatt-supply = <&some_reg>; + in-v1-supply = <&mbatt_reg>; + ... + in1-supply = <&mbatt_reg>; + ... + + regulators { + mbatt_reg: mbatt { + regulator-name = "vbat_pmu"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; + + sd1 { + regulator-name = "nvvdd_sv1,vdd_cpu_pmu"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + }; + + sd2 { + regulator-name = "nvvdd_sv2,vdd_core"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + }; +... + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/max8925-regulator.txt b/Documentation/devicetree/bindings/regulator/max8925-regulator.txt new file mode 100644 index 00000000..0057695a --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/max8925-regulator.txt @@ -0,0 +1,40 @@ +Max8925 Voltage regulators + +Required nodes: +-nodes: + - SDV1 for SDV SDV1 + - SDV2 for SDV SDV2 + - SDV3 for SDV SDV3 + - LDO1 for LDO LDO1 + - LDO2 for LDO LDO2 + - LDO3 for LDO LDO3 + - LDO4 for LDO LDO4 + - LDO5 for LDO LDO5 + - LDO6 for LDO LDO6 + - LDO7 for LDO LDO7 + - LDO8 for LDO LDO8 + - LDO9 for LDO LDO9 + - LDO10 for LDO LDO10 + - LDO11 for LDO LDO11 + - LDO12 for LDO LDO12 + - LDO13 for LDO LDO13 + - LDO14 for LDO LDO14 + - LDO15 for LDO LDO15 + - LDO16 for LDO LDO16 + - LDO17 for LDO LDO17 + - LDO18 for LDO LDO18 + - LDO19 for LDO LDO19 + - LDO20 for LDO LDO20 + +Optional properties: +- Any optional property defined in bindings/regulator/regulator.txt + +Example: + + SDV1 { + regulator-min-microvolt = <637500>; + regulator-max-microvolt = <1425000>; + regulator-boot-on; + regulator-always-on; + }; + diff --git a/Documentation/devicetree/bindings/regulator/max8997-regulator.txt b/Documentation/devicetree/bindings/regulator/max8997-regulator.txt new file mode 100644 index 00000000..9fd69a18 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/max8997-regulator.txt @@ -0,0 +1,146 @@ +* Maxim MAX8997 Voltage and Current Regulator + +The Maxim MAX8997 is a multi-function device which includes volatage and +current regulators, rtc, charger controller and other sub-blocks. It is +interfaced to the host controller using a i2c interface. Each sub-block is +addressed by the host system using different i2c slave address. This document +describes the bindings for 'pmic' sub-block of max8997. + +Required properties: +- compatible: Should be "maxim,max8997-pmic". +- reg: Specifies the i2c slave address of the pmic block. It should be 0x66. + +- max8997,pmic-buck1-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck1 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- max8997,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck2 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- max8997,pmic-buck5-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck5 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +[1] If none of the 'max8997,pmic-buck[1/2/5]-uses-gpio-dvs' optional + property is specified, the 'max8997,pmic-buck[1/2/5]-dvs-voltage' + property should specify atleast one voltage level (which would be a + safe operating voltage). + + If either of the 'max8997,pmic-buck[1/2/5]-uses-gpio-dvs' optional + property is specified, then all the eigth voltage values for the + 'max8997,pmic-buck[1/2/5]-dvs-voltage' should be specified. + +Optional properties: +- interrupt-parent: Specifies the phandle of the interrupt controller to which + the interrupts from max8997 are delivered to. +- interrupts: Interrupt specifiers for two interrupt sources. + - First interrupt specifier is for 'irq1' interrupt. + - Second interrupt specifier is for 'alert' interrupt. +- max8997,pmic-buck1-uses-gpio-dvs: 'buck1' can be controlled by gpio dvs. +- max8997,pmic-buck2-uses-gpio-dvs: 'buck2' can be controlled by gpio dvs. +- max8997,pmic-buck5-uses-gpio-dvs: 'buck5' can be controlled by gpio dvs. + +Additional properties required if either of the optional properties are used: +- max8997,pmic-ignore-gpiodvs-side-effect: When GPIO-DVS mode is used for + multiple bucks, changing the voltage value of one of the bucks may affect + that of another buck, which is the side effect of the change (set_voltage). + Use this property to ignore such side effects and change the voltage. + +- max8997,pmic-buck125-default-dvs-idx: Default voltage setting selected from + the possible 8 options selectable by the dvs gpios. The value of this + property should be between 0 and 7. If not specified or if out of range, the + default value of this property is set to 0. + +- max8997,pmic-buck125-dvs-gpios: GPIO specifiers for three host gpio's used + for dvs. The format of the gpio specifier depends in the gpio controller. + +Regulators: The regulators of max8997 that have to be instantiated should be +included in a sub-node named 'regulators'. Regulator nodes included in this +sub-node should be of the format as listed below. + + regulator_name { + standard regulator bindings here + }; + +The following are the names of the regulators that the max8997 pmic block +supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number +as per the datasheet of max8997. + + - LDOn + - valid values for n are 1 to 18 and 21 + - Example: LDO0, LD01, LDO2, LDO21 + - BUCKn + - valid values for n are 1 to 7. + - Example: BUCK1, BUCK2, BUCK3, BUCK7 + + - ENVICHG: Battery Charging Current Monitor Output. This is a fixed + voltage type regulator + + - ESAFEOUT1: (ldo19) + - ESAFEOUT2: (ld020) + + - CHARGER_CV: main battery charger voltage control + - CHARGER: main battery charger current control + - CHARGER_TOPOFF: end of charge current threshold level + +The bindings inside the regulator nodes use the standard regulator bindings +which are documented elsewhere. + +Example: + + max8997_pmic@66 { + compatible = "maxim,max8997-pmic"; + interrupt-parent = <&wakeup_eint>; + reg = <0x66>; + interrupts = <4 0>, <3 0>; + + max8997,pmic-buck1-uses-gpio-dvs; + max8997,pmic-buck2-uses-gpio-dvs; + max8997,pmic-buck5-uses-gpio-dvs; + + max8997,pmic-ignore-gpiodvs-side-effect; + max8997,pmic-buck125-default-dvs-idx = <0>; + + max8997,pmic-buck125-dvs-gpios = <&gpx0 0 1 0 0>, /* SET1 */ + <&gpx0 1 1 0 0>, /* SET2 */ + <&gpx0 2 1 0 0>; /* SET3 */ + + max8997,pmic-buck1-dvs-voltage = <1350000>, <1300000>, + <1250000>, <1200000>, + <1150000>, <1100000>, + <1000000>, <950000>; + + max8997,pmic-buck2-dvs-voltage = <1100000>, <1100000>, + <1100000>, <1100000>, + <1000000>, <1000000>, + <1000000>, <1000000>; + + max8997,pmic-buck5-dvs-voltage = <1200000>, <1200000>, + <1200000>, <1200000>, + <1200000>, <1200000>, + <1200000>, <1200000>; + + regulators { + ldo1_reg: LDO1 { + regulator-name = "VDD_ABB_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + ldo2_reg: LDO2 { + regulator-name = "VDD_ALIVE_1.1V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + }; + + buck1_reg: BUCK1 { + regulator-name = "VDD_ARM_1.2V"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt new file mode 100644 index 00000000..ecfc6ccd --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -0,0 +1,62 @@ +Voltage/Current Regulators + +Optional properties: +- regulator-name: A string used as a descriptive name for regulator outputs +- regulator-min-microvolt: smallest voltage consumers may set +- regulator-max-microvolt: largest voltage consumers may set +- regulator-microvolt-offset: Offset applied to voltages to compensate for voltage drops +- regulator-min-microamp: smallest current consumers may set +- regulator-max-microamp: largest current consumers may set +- regulator-always-on: boolean, regulator should never be disabled +- regulator-boot-on: bootloader/firmware enabled regulator +- <name>-supply: phandle to the parent supply/regulator node +- regulator-ramp-delay: ramp delay for regulator(in uV/uS) + +Deprecated properties: +- regulator-compatible: If a regulator chip contains multiple + regulators, and if the chip's binding contains a child node that + describes each regulator, then this property indicates which regulator + this child node is intended to configure. If this property is missing, + the node's name will be used instead. + +Example: + + xyzreg: regulator@0 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <2500000>; + regulator-always-on; + vin-supply = <&vin>; + }; + +Regulator Consumers: +Consumer nodes can reference one or more of its supplies/ +regulators using the below bindings. + +- <name>-supply: phandle to the regulator node + +These are the same bindings that a regulator in the above +example used to reference its own supply, in which case +its just seen as a special case of a regulator being a +consumer itself. + +Example of a consumer device node (mmc) referencing two +regulators (twl_reg1 and twl_reg2), + + twl_reg1: regulator@0 { + ... + ... + ... + }; + + twl_reg2: regulator@1 { + ... + ... + ... + }; + + mmc: mmc@0x0 { + ... + ... + vmmc-supply = <&twl_reg1>; + vmmcaux-supply = <&twl_reg2>; + }; diff --git a/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt b/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt new file mode 100644 index 00000000..a35ff990 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt @@ -0,0 +1,152 @@ +* Samsung S5M8767 Voltage and Current Regulator + +The Samsung S5M8767 is a multi-function device which includes volatage and +current regulators, rtc, charger controller and other sub-blocks. It is +interfaced to the host controller using a i2c interface. Each sub-block is +addressed by the host system using different i2c slave address. This document +describes the bindings for 'pmic' sub-block of s5m8767. + +Required properties: +- compatible: Should be "samsung,s5m8767-pmic". +- reg: Specifies the i2c slave address of the pmic block. It should be 0x66. + +- s5m8767,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck2 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- s5m8767,pmic-buck3-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck3 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- s5m8767,pmic-buck4-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck4 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- s5m8767,pmic-buck-ds-gpios: GPIO specifiers for three host gpio's used + for selecting GPIO DVS lines. It is one-to-one mapped to dvs gpio lines. + +[1] If none of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional + property is specified, the 's5m8767,pmic-buck[2/3/4]-dvs-voltage' + property should specify atleast one voltage level (which would be a + safe operating voltage). + + If either of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional + property is specified, then all the eight voltage values for the + 's5m8767,pmic-buck[2/3/4]-dvs-voltage' should be specified. + +Optional properties: +- interrupt-parent: Specifies the phandle of the interrupt controller to which + the interrupts from s5m8767 are delivered to. +- interrupts: Interrupt specifiers for two interrupt sources. + - First interrupt specifier is for 'irq1' interrupt. + - Second interrupt specifier is for 'alert' interrupt. +- s5m8767,pmic-buck2-uses-gpio-dvs: 'buck2' can be controlled by gpio dvs. +- s5m8767,pmic-buck3-uses-gpio-dvs: 'buck3' can be controlled by gpio dvs. +- s5m8767,pmic-buck4-uses-gpio-dvs: 'buck4' can be controlled by gpio dvs. + +Additional properties required if either of the optional properties are used: + +- s5m8767,pmic-buck234-default-dvs-idx: Default voltage setting selected from + the possible 8 options selectable by the dvs gpios. The value of this + property should be between 0 and 7. If not specified or if out of range, the + default value of this property is set to 0. + +- s5m8767,pmic-buck-dvs-gpios: GPIO specifiers for three host gpio's used + for dvs. The format of the gpio specifier depends in the gpio controller. + +Regulators: The regulators of s5m8767 that have to be instantiated should be +included in a sub-node named 'regulators'. Regulator nodes included in this +sub-node should be of the format as listed below. + + regulator_name { + ldo1_reg: LDO1 { + regulator-name = "VDD_ALIVE_1.0V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + regulator-boot-on; + op_mode = <1>; /* Normal Mode */ + }; + }; +The above regulator entries are defined in regulator bindings documentation +except op_mode description. + - op_mode: describes the different operating modes of the LDO's with + power mode change in SOC. The different possible values are, + 0 - always off mode + 1 - on in normal mode + 2 - low power mode + 3 - suspend mode + +The following are the names of the regulators that the s5m8767 pmic block +supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number +as per the datasheet of s5m8767. + + - LDOn + - valid values for n are 1 to 28 + - Example: LDO0, LD01, LDO28 + - BUCKn + - valid values for n are 1 to 9. + - Example: BUCK1, BUCK2, BUCK9 + +The bindings inside the regulator nodes use the standard regulator bindings +which are documented elsewhere. + +Example: + + s5m8767_pmic@66 { + compatible = "samsung,s5m8767-pmic"; + reg = <0x66>; + + s5m8767,pmic-buck2-uses-gpio-dvs; + s5m8767,pmic-buck3-uses-gpio-dvs; + s5m8767,pmic-buck4-uses-gpio-dvs; + + s5m8767,pmic-buck-default-dvs-idx = <0>; + + s5m8767,pmic-buck-dvs-gpios = <&gpx0 0 1 0 0>, /* DVS1 */ + <&gpx0 1 1 0 0>, /* DVS2 */ + <&gpx0 2 1 0 0>; /* DVS3 */ + + s5m8767,pmic-buck-ds-gpios = <&gpx2 3 1 0 0>, /* SET1 */ + <&gpx2 4 1 0 0>, /* SET2 */ + <&gpx2 5 1 0 0>; /* SET3 */ + + s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>, + <1250000>, <1200000>, + <1150000>, <1100000>, + <1000000>, <950000>; + + s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>, + <1100000>, <1100000>, + <1000000>, <1000000>, + <1000000>, <1000000>; + + s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>, + <1200000>, <1200000>, + <1200000>, <1200000>, + <1200000>, <1200000>; + + regulators { + ldo1_reg: LDO1 { + regulator-name = "VDD_ABB_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + op_mode = <1>; /* Normal Mode */ + }; + + ldo2_reg: LDO2 { + regulator-name = "VDD_ALIVE_1.1V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + }; + + buck1_reg: BUCK1 { + regulator-name = "VDD_MIF_1.2V"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/tps51632-regulator.txt b/Documentation/devicetree/bindings/regulator/tps51632-regulator.txt new file mode 100644 index 00000000..2f7e44a9 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/tps51632-regulator.txt @@ -0,0 +1,27 @@ +TPS51632 Voltage regulators + +Required properties: +- compatible: Must be "ti,tps51632" +- reg: I2C slave address + +Optional properties: +- ti,enable-pwm-dvfs: Enable the DVFS voltage control through the PWM interface. +- ti,dvfs-step-20mV: The 20mV step voltage when PWM DVFS enabled. Missing this + will set 10mV step voltage in PWM DVFS mode. In normal mode, the voltage + step is 10mV as per datasheet. + +Any property defined as part of the core regulator binding, defined in +regulator.txt, can also be used. + +Example: + + tps51632 { + compatible = "ti,tps51632"; + reg = <0x43>; + regulator-name = "tps51632-vout"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1500000>; + regulator-boot-on; + ti,enable-pwm-dvfs; + ti,dvfs-step-20mV; + }; diff --git a/Documentation/devicetree/bindings/regulator/tps62360-regulator.txt b/Documentation/devicetree/bindings/regulator/tps62360-regulator.txt new file mode 100644 index 00000000..1b20c3db --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/tps62360-regulator.txt @@ -0,0 +1,44 @@ +TPS62360 Voltage regulators + +Required properties: +- compatible: Must be one of the following. + "ti,tps62360" + "ti,tps62361", + "ti,tps62362", + "ti,tps62363", +- reg: I2C slave address + +Optional properties: +- ti,enable-vout-discharge: Enable output discharge. This is boolean value. +- ti,enable-pull-down: Enable pull down. This is boolean value. +- ti,vsel0-gpio: GPIO for controlling VSEL0 line. + If this property is missing, then assume that there is no GPIO + for vsel0 control. +- ti,vsel1-gpio: Gpio for controlling VSEL1 line. + If this property is missing, then assume that there is no GPIO + for vsel1 control. +- ti,vsel0-state-high: Initial state of vsel0 input is high. + If this property is missing, then assume the state as low (0). +- ti,vsel1-state-high: Initial state of vsel1 input is high. + If this property is missing, then assume the state as low (0). + +Any property defined as part of the core regulator binding, defined in +regulator.txt, can also be used. + +Example: + + abc: tps62360 { + compatible = "ti,tps62361"; + reg = <0x60>; + regulator-name = "tps62361-vout"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1500000>; + regulator-boot-on + ti,vsel0-gpio = <&gpio1 16 0>; + ti,vsel1-gpio = <&gpio1 17 0>; + ti,vsel0-state-high; + ti,vsel1-state-high; + ti,enable-pull-down; + ti,enable-force-pwm; + ti,enable-vout-discharge; + }; diff --git a/Documentation/devicetree/bindings/regulator/tps65090.txt b/Documentation/devicetree/bindings/regulator/tps65090.txt new file mode 100644 index 00000000..313a60ba --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/tps65090.txt @@ -0,0 +1,122 @@ +TPS65090 regulators + +Required properties: +- compatible: "ti,tps65090" +- reg: I2C slave address +- interrupts: the interrupt outputs of the controller +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name, with valid + values listed below. The content of each sub-node is defined by the + standard binding for regulators; see regulator.txt. + dcdc[1-3], fet[1-7] and ldo[1-2] respectively. +- vsys[1-3]-supply: The input supply for DCDC[1-3] respectively. +- infet[1-7]-supply: The input supply for FET[1-7] respectively. +- vsys-l[1-2]-supply: The input supply for LDO[1-2] respectively. + +Optional properties: +- ti,enable-ext-control: This is applicable for DCDC1, DCDC2 and DCDC3. + If DCDCs are externally controlled then this property should be there. +- "dcdc-ext-control-gpios: This is applicable for DCDC1, DCDC2 and DCDC3. + If DCDCs are externally controlled and if it is from GPIO then GPIO + number should be provided. If it is externally controlled and no GPIO + entry then driver will just configure this rails as external control + and will not provide any enable/disable APIs. + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps65090@48 { + compatible = "ti,tps65090"; + reg = <0x48>; + interrupts = <0 88 0x4>; + + vsys1-supply = <&some_reg>; + vsys2-supply = <&some_reg>; + vsys3-supply = <&some_reg>; + infet1-supply = <&some_reg>; + infet2-supply = <&some_reg>; + infet3-supply = <&some_reg>; + infet4-supply = <&some_reg>; + infet5-supply = <&some_reg>; + infet6-supply = <&some_reg>; + infet7-supply = <&some_reg>; + vsys_l1-supply = <&some_reg>; + vsys_l2-supply = <&some_reg>; + + regulators { + dcdc1 { + regulator-name = "dcdc1"; + regulator-boot-on; + regulator-always-on; + ti,enable-ext-control; + dcdc-ext-control-gpios = <&gpio 10 0>; + }; + + dcdc2 { + regulator-name = "dcdc2"; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3 { + regulator-name = "dcdc3"; + regulator-boot-on; + regulator-always-on; + }; + + fet1 { + regulator-name = "fet1"; + regulator-boot-on; + regulator-always-on; + }; + + fet2 { + regulator-name = "fet2"; + regulator-boot-on; + regulator-always-on; + }; + + fet3 { + regulator-name = "fet3"; + regulator-boot-on; + regulator-always-on; + }; + + fet4 { + regulator-name = "fet4"; + regulator-boot-on; + regulator-always-on; + }; + + fet5 { + regulator-name = "fet5"; + regulator-boot-on; + regulator-always-on; + }; + + fet6 { + regulator-name = "fet6"; + regulator-boot-on; + regulator-always-on; + }; + + fet7 { + regulator-name = "fet7"; + regulator-boot-on; + regulator-always-on; + }; + + ldo1 { + regulator-name = "ldo1"; + regulator-boot-on; + regulator-always-on; + }; + + ldo2 { + regulator-name = "ldo2"; + regulator-boot-on; + regulator-always-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/tps65217.txt b/Documentation/devicetree/bindings/regulator/tps65217.txt new file mode 100644 index 00000000..4f05d208 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/tps65217.txt @@ -0,0 +1,78 @@ +TPS65217 family of regulators + +Required properties: +- compatible: "ti,tps65217" +- reg: I2C slave address +- regulators: list of regulators provided by this controller, must be named + after their hardware counterparts: dcdc[1-3] and ldo[1-4] +- regulators: This is the list of child nodes that specify the regulator + initialization data for defined regulators. Not all regulators for the given + device need to be present. The definition for each of these nodes is defined + using the standard binding for regulators found at + Documentation/devicetree/bindings/regulator/regulator.txt. + +Optional properties: +- ti,pmic-shutdown-controller: Telling the PMIC to shutdown on PWR_EN toggle. + + The valid names for regulators are: + tps65217: dcdc1, dcdc2, dcdc3, ldo1, ldo2, ldo3 and ldo4 + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps: tps@24 { + compatible = "ti,tps65217"; + ti,pmic-shutdown-controller; + + regulators { + dcdc1_reg: dcdc1 { + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc2_reg: dcdc2 { + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3_reg: dcc3 { + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1500000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: ldo1 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2_reg: ldo2 { + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: ldo3 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4_reg: ldo4 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/tps6586x.txt b/Documentation/devicetree/bindings/regulator/tps6586x.txt new file mode 100644 index 00000000..8b40cac2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/tps6586x.txt @@ -0,0 +1,135 @@ +TPS6586x family of regulators + +Required properties: +- compatible: "ti,tps6586x" +- reg: I2C slave address +- interrupts: the interrupt outputs of the controller +- #gpio-cells: number of cells to describe a GPIO +- gpio-controller: mark the device as a GPIO controller +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name (or the deprecated + regulator-compatible property if present), with valid values listed below. + The content of each sub-node is defined by the standard binding for + regulators; see regulator.txt. + sys, sm[0-2], ldo[0-9] and ldo_rtc +- sys-supply: The input supply for SYS. +- vin-sm0-supply: The input supply for the SM0. +- vin-sm1-supply: The input supply for the SM1. +- vin-sm2-supply: The input supply for the SM2. +- vinldo01-supply: The input supply for the LDO1 and LDO2 +- vinldo23-supply: The input supply for the LDO2 and LDO3 +- vinldo4-supply: The input supply for the LDO4 +- vinldo678-supply: The input supply for the LDO6, LDO7 and LDO8 +- vinldo9-supply: The input supply for the LDO9 + +Optional properties: +- ti,system-power-controller: Telling whether or not this pmic is controlling + the system power. + +Each regulator is defined using the standard binding for regulators. + +Note: LDO5 and LDO_RTC is supplied by SYS regulator internally and driver + take care of making proper parent child relationship. + +Example: + + pmu: tps6586x@34 { + compatible = "ti,tps6586x"; + reg = <0x34>; + interrupts = <0 88 0x4>; + + #gpio-cells = <2>; + gpio-controller; + + ti,system-power-controller; + + sys-supply = <&some_reg>; + vin-sm0-supply = <&some_reg>; + vin-sm1-supply = <&some_reg>; + vin-sm2-supply = <&some_reg>; + vinldo01-supply = <...>; + vinldo23-supply = <...>; + vinldo4-supply = <...>; + vinldo678-supply = <...>; + vinldo9-supply = <...>; + + regulators { + sys_reg: sys { + regulator-name = "vdd_sys"; + regulator-boot-on; + regulator-always-on; + }; + + sm0_reg: sm0 { + regulator-min-microvolt = < 725000>; + regulator-max-microvolt = <1500000>; + regulator-boot-on; + regulator-always-on; + }; + + sm1_reg: sm1 { + regulator-min-microvolt = < 725000>; + regulator-max-microvolt = <1500000>; + regulator-boot-on; + regulator-always-on; + }; + + sm2_reg: sm2 { + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <4550000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo0_reg: ldo0 { + regulator-name = "PCIE CLK"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + ldo1_reg: ldo1 { + regulator-min-microvolt = < 725000>; + regulator-max-microvolt = <1500000>; + }; + + ldo2_reg: ldo2 { + regulator-min-microvolt = < 725000>; + regulator-max-microvolt = <1500000>; + }; + + ldo3_reg: ldo3 { + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <3300000>; + }; + + ldo4_reg: ldo4 { + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <2475000>; + }; + + ldo5_reg: ldo5 { + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <3300000>; + }; + + ldo6_reg: ldo6 { + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <3300000>; + }; + + ldo7_reg: ldo7 { + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <3300000>; + }; + + ldo8_reg: ldo8 { + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <3300000>; + }; + + ldo9_reg: ldo9 { + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <3300000>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/twl-regulator.txt b/Documentation/devicetree/bindings/regulator/twl-regulator.txt new file mode 100644 index 00000000..658749b9 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/twl-regulator.txt @@ -0,0 +1,67 @@ +TWL family of regulators + +Required properties: +For twl6030 regulators/LDOs +- compatible: + - "ti,twl6030-vaux1" for VAUX1 LDO + - "ti,twl6030-vaux2" for VAUX2 LDO + - "ti,twl6030-vaux3" for VAUX3 LDO + - "ti,twl6030-vmmc" for VMMC LDO + - "ti,twl6030-vpp" for VPP LDO + - "ti,twl6030-vusim" for VUSIM LDO + - "ti,twl6030-vana" for VANA LDO + - "ti,twl6030-vcxio" for VCXIO LDO + - "ti,twl6030-vdac" for VDAC LDO + - "ti,twl6030-vusb" for VUSB LDO + - "ti,twl6030-v1v8" for V1V8 LDO + - "ti,twl6030-v2v1" for V2V1 LDO + - "ti,twl6030-vdd1" for VDD1 SMPS + - "ti,twl6030-vdd2" for VDD2 SMPS + - "ti,twl6030-vdd3" for VDD3 SMPS +For twl6025 regulators/LDOs +- compatible: + - "ti,twl6025-ldo1" for LDO1 LDO + - "ti,twl6025-ldo2" for LDO2 LDO + - "ti,twl6025-ldo3" for LDO3 LDO + - "ti,twl6025-ldo4" for LDO4 LDO + - "ti,twl6025-ldo5" for LDO5 LDO + - "ti,twl6025-ldo6" for LDO6 LDO + - "ti,twl6025-ldo7" for LDO7 LDO + - "ti,twl6025-ldoln" for LDOLN LDO + - "ti,twl6025-ldousb" for LDOUSB LDO + - "ti,twl6025-smps3" for SMPS3 SMPS + - "ti,twl6025-smps4" for SMPS4 SMPS + - "ti,twl6025-vio" for VIO SMPS +For twl4030 regulators/LDOs +- compatible: + - "ti,twl4030-vaux1" for VAUX1 LDO + - "ti,twl4030-vaux2" for VAUX2 LDO + - "ti,twl5030-vaux2" for VAUX2 LDO + - "ti,twl4030-vaux3" for VAUX3 LDO + - "ti,twl4030-vaux4" for VAUX4 LDO + - "ti,twl4030-vmmc1" for VMMC1 LDO + - "ti,twl4030-vmmc2" for VMMC2 LDO + - "ti,twl4030-vpll1" for VPLL1 LDO + - "ti,twl4030-vpll2" for VPLL2 LDO + - "ti,twl4030-vsim" for VSIM LDO + - "ti,twl4030-vdac" for VDAC LDO + - "ti,twl4030-vintana2" for VINTANA2 LDO + - "ti,twl4030-vio" for VIO LDO + - "ti,twl4030-vdd1" for VDD1 SMPS + - "ti,twl4030-vdd2" for VDD2 SMPS + - "ti,twl4030-vintana1" for VINTANA1 LDO + - "ti,twl4030-vintdig" for VINTDIG LDO + - "ti,twl4030-vusb1v5" for VUSB1V5 LDO + - "ti,twl4030-vusb1v8" for VUSB1V8 LDO + - "ti,twl4030-vusb3v1" for VUSB3V1 LDO + +Optional properties: +- Any optional property defined in bindings/regulator/regulator.txt + +Example: + + xyz: regulator@0 { + compatible = "ti,twl6030-vaux1"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3000000>; + }; diff --git a/Documentation/devicetree/bindings/regulator/vexpress.txt b/Documentation/devicetree/bindings/regulator/vexpress.txt new file mode 100644 index 00000000..d775f724 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/vexpress.txt @@ -0,0 +1,32 @@ +Versatile Express voltage regulators +------------------------------------ + +Requires node properties: +- "compatible" value: "arm,vexpress-volt" +- "arm,vexpress-sysreg,func" when controlled via vexpress-sysreg + (see Documentation/devicetree/bindings/arm/vexpress-sysreg.txt + for more details) + +Required regulator properties: +- "regulator-name" +- "regulator-always-on" + +Optional regulator properties: +- "regulator-min-microvolt" +- "regulator-max-microvolt" + +See Documentation/devicetree/bindings/regulator/regulator.txt +for more details about the regulator properties. + +When no "regulator-[min|max]-microvolt" properties are defined, +the device is treated as fixed (or rather "read-only") regulator. + +Example: + volt@0 { + compatible = "arm,vexpress-volt"; + arm,vexpress-sysreg,func = <2 0>; + regulator-name = "Cores"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + }; |