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Diffstat (limited to 'Documentation/devicetree/bindings/mfd/tps65910.txt')
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diff --git a/Documentation/devicetree/bindings/mfd/tps65910.txt b/Documentation/devicetree/bindings/mfd/tps65910.txt new file mode 100644 index 000000000..38833e63a --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/tps65910.txt @@ -0,0 +1,201 @@ +TPS65910 Power Management Integrated Circuit + +Required properties: +- compatible: "ti,tps65910" or "ti,tps65911" +- reg: I2C slave address +- interrupts: the interrupt outputs of the controller +- #gpio-cells: number of cells to describe a GPIO, this should be 2. + The first cell is the GPIO number. + The second cell is used to specify additional options <unused>. +- gpio-controller: mark the device as a GPIO controller +- #interrupt-cells: the number of cells to describe an IRQ, this should be 2. + The first cell is the IRQ number. + The second cell is the flags, encoded as the trigger masks from + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +- 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. + The regulator is matched with the regulator-compatible. + + The valid regulator-compatible values are: + tps65910: vrtc, vio, vdd1, vdd2, vdd3, vdig1, vdig2, vpll, vdac, vaux1, + vaux2, vaux33, vmmc, vbb + tps65911: vrtc, vio, vdd1, vdd3, vddctrl, ldo1, ldo2, ldo3, ldo4, ldo5, + ldo6, ldo7, ldo8 + +- xxx-supply: Input voltage supply regulator. + These entries are require if regulators are enabled for a device. Missing of these + properties can cause the regulator registration fails. + If some of input supply is powered through battery or always-on supply then + also it is require to have these parameters with proper node handle of always + on power supply. + tps65910: + vcc1-supply: VDD1 input. + vcc2-supply: VDD2 input. + vcc3-supply: VAUX33 and VMMC input. + vcc4-supply: VAUX1 and VAUX2 input. + vcc5-supply: VPLL and VDAC input. + vcc6-supply: VDIG1 and VDIG2 input. + vcc7-supply: VRTC and VBB input. + vccio-supply: VIO input. + tps65911: + vcc1-supply: VDD1 input. + vcc2-supply: VDD2 input. + vcc3-supply: LDO6, LDO7 and LDO8 input. + vcc4-supply: LDO5 input. + vcc5-supply: LDO3 and LDO4 input. + vcc6-supply: LDO1 and LDO2 input. + vcc7-supply: VRTC input. + vccio-supply: VIO input. + +Optional properties: +- ti,vmbch-threshold: (tps65911) main battery charged threshold + comparator. (see VMBCH_VSEL in TPS65910 datasheet) +- ti,vmbch2-threshold: (tps65911) main battery discharged threshold + comparator. (see VMBCH_VSEL in TPS65910 datasheet) +- ti,en-ck32k-xtal: enable external 32-kHz crystal oscillator (see CK32K_CTRL + in TPS6591X datasheet) +- ti,en-gpio-sleep: enable sleep control for gpios + There should be 9 entries here, one for each gpio. +- ti,system-power-controller: Telling whether or not this pmic is controlling + the system power. + +Regulator Optional properties: +- ti,regulator-ext-sleep-control: enable external sleep + control through external inputs [0 (not enabled), 1 (EN1), 2 (EN2) or 4(EN3)] + If this property is not defined, it defaults to 0 (not enabled). + +Example: + + pmu: tps65910@d2 { + compatible = "ti,tps65910"; + reg = <0xd2>; + interrupt-parent = <&intc>; + interrupts = < 0 118 0x04 >; + + #gpio-cells = <2>; + gpio-controller; + + #interrupt-cells = <2>; + interrupt-controller; + + ti,system-power-controller; + + ti,vmbch-threshold = 0; + ti,vmbch2-threshold = 0; + ti,en-ck32k-xtal; + ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>; + + vcc1-supply = <®_parent>; + vcc2-supply = <&some_reg>; + vcc3-supply = <...>; + vcc4-supply = <...>; + vcc5-supply = <...>; + vcc6-supply = <...>; + vcc7-supply = <...>; + vccio-supply = <...>; + + regulators { + #address-cells = <1>; + #size-cells = <0>; + + vdd1_reg: regulator@0 { + regulator-compatible = "vdd1"; + reg = <0>; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1500000>; + regulator-always-on; + regulator-boot-on; + ti,regulator-ext-sleep-control = <0>; + }; + vdd2_reg: regulator@1 { + regulator-compatible = "vdd2"; + reg = <1>; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1500000>; + regulator-always-on; + regulator-boot-on; + ti,regulator-ext-sleep-control = <4>; + }; + vddctrl_reg: regulator@2 { + regulator-compatible = "vddctrl"; + reg = <2>; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + regulator-boot-on; + ti,regulator-ext-sleep-control = <0>; + }; + vio_reg: regulator@3 { + regulator-compatible = "vio"; + reg = <3>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + ti,regulator-ext-sleep-control = <1>; + }; + ldo1_reg: regulator@4 { + regulator-compatible = "ldo1"; + reg = <4>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3300000>; + ti,regulator-ext-sleep-control = <0>; + }; + ldo2_reg: regulator@5 { + regulator-compatible = "ldo2"; + reg = <5>; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + ti,regulator-ext-sleep-control = <0>; + }; + ldo3_reg: regulator@6 { + regulator-compatible = "ldo3"; + reg = <6>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3300000>; + ti,regulator-ext-sleep-control = <0>; + }; + ldo4_reg: regulator@7 { + regulator-compatible = "ldo4"; + reg = <7>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + ti,regulator-ext-sleep-control = <0>; + }; + ldo5_reg: regulator@8 { + regulator-compatible = "ldo5"; + reg = <8>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3300000>; + ti,regulator-ext-sleep-control = <0>; + }; + ldo6_reg: regulator@9 { + regulator-compatible = "ldo6"; + reg = <9>; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + ti,regulator-ext-sleep-control = <0>; + }; + ldo7_reg: regulator@10 { + regulator-compatible = "ldo7"; + reg = <10>; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + ti,regulator-ext-sleep-control = <1>; + }; + ldo8_reg: regulator@11 { + regulator-compatible = "ldo8"; + reg = <11>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + ti,regulator-ext-sleep-control = <1>; + }; + }; + }; |