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author | Andrew Turner <andrew@FreeBSD.org> | 2016-01-28 20:21:15 +0000 |
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committer | Andrew Turner <andrew@FreeBSD.org> | 2016-01-28 20:21:15 +0000 |
commit | 235ad806ee815395bce54dc1b0ce1c06cd29b44a (patch) | |
tree | 41cbd9055ad0d6dfa04377df1bb51f3c3f3948e2 /Bindings/regulator/qcom,spmi-regulator.txt | |
parent | da75c2cc5808a45edc76752ba495dcc5dcd4346c (diff) | |
download | src-235ad806ee815395bce54dc1b0ce1c06cd29b44a.tar.gz src-235ad806ee815395bce54dc1b0ce1c06cd29b44a.zip |
Import updated device-tree files from:vendor/device-tree/ianc-afaecb70
git://xenbits.xen.org/people/ianc/device-tree-rebasing.git
@afaecb70e7ebb983c86d5eb45ff952e9af79c462
Notes
Notes:
svn path=/vendor/device-tree/dist/; revision=295011
svn path=/vendor/device-tree/ianc-afaecb70/; revision=295013; tag=vendor/device-tree/ianc-afaecb70
Diffstat (limited to 'Bindings/regulator/qcom,spmi-regulator.txt')
-rw-r--r-- | Bindings/regulator/qcom,spmi-regulator.txt | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/Bindings/regulator/qcom,spmi-regulator.txt b/Bindings/regulator/qcom,spmi-regulator.txt new file mode 100644 index 000000000000..d00bfd8624a5 --- /dev/null +++ b/Bindings/regulator/qcom,spmi-regulator.txt @@ -0,0 +1,173 @@ +Qualcomm SPMI Regulators + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,pm8841-regulators" + "qcom,pm8916-regulators" + "qcom,pm8941-regulators" + +- interrupts: + Usage: optional + Value type: <prop-encoded-array> + Definition: List of OCP interrupts. + +- interrupt-names: + Usage: required if 'interrupts' property present + Value type: <string-array> + Definition: List of strings defining the names of the + interrupts in the 'interrupts' property 1-to-1. + Supported values are "ocp-<regulator_name>", where + <regulator_name> corresponds to a voltage switch + type regulator. + +- vdd_s1-supply: +- vdd_s2-supply: +- vdd_s3-supply: +- vdd_s4-supply: +- vdd_s5-supply: +- vdd_s6-supply: +- vdd_s7-supply: +- vdd_s8-supply: + Usage: optional (pm8841 only) + Value type: <phandle> + Definition: Reference to regulator supplying the input pin, as + described in the data sheet. + +- vdd_s1-supply: +- vdd_s2-supply: +- vdd_s3-supply: +- vdd_s4-supply: +- vdd_l1_l3-supply: +- vdd_l2-supply: +- vdd_l4_l5_l6-supply: +- vdd_l7-supply: +- vdd_l8_l11_l14_l15_l16-supply: +- vdd_l9_l10_l12_l13_l17_l18-supply: + Usage: optional (pm8916 only) + Value type: <phandle> + Definition: Reference to regulator supplying the input pin, as + described in the data sheet. + +- vdd_s1-supply: +- vdd_s2-supply: +- vdd_s3-supply: +- vdd_l1_l3-supply: +- vdd_l2_lvs_1_2_3-supply: +- vdd_l4_l11-supply: +- vdd_l5_l7-supply: +- vdd_l6_l12_l14_l15-supply: +- vdd_l8_l16_l18_19-supply: +- vdd_l9_l10_l17_l22-supply: +- vdd_l13_l20_l23_l24-supply: +- vdd_l21-supply: +- vin_5vs-supply: + Usage: optional (pm8941 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. + +pm8841: + s1, s2, s3, s4, s5, s6, s7, s8 + +pm8916: + s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, + l14, l15, l16, l17, l18 + +pm8941: + s1, s2, s3, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, + l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2, lvs3, + mvs1, mvs2 + +The content of each sub-node is defined by the standard binding for regulators - +see regulator.txt - with additional custom properties described below: + +- regulator-initial-mode: + Usage: optional + Value type: <u32> + Description: 2 = Set initial mode to auto mode (automatically select + between HPM and LPM); not available on boost type + regulators. + + 1 = Set initial mode to high power mode (HPM), also referred + to as NPM. HPM consumes more ground current than LPM, but + it can source significantly higher load current. HPM is not + available on boost type regulators. For voltage switch type + regulators, HPM implies that over current protection and + soft start are active all the time. + + 0 = Set initial mode to low power mode (LPM). + +- qcom,ocp-max-retries: + Usage: optional + Value type: <u32> + Description: Maximum number of times to try toggling a voltage switch + off and back on as a result of consecutive over current + events. + +- qcom,ocp-retry-delay: + Usage: optional + Value type: <u32> + Description: Time to delay in milliseconds between each voltage switch + toggle after an over current event takes place. + +- qcom,pin-ctrl-enable: + Usage: optional + Value type: <u32> + Description: Bit mask specifying which hardware pins should be used to + enable the regulator, if any; supported bits are: + 0 = ignore all hardware enable signals + BIT(0) = follow HW0_EN signal + BIT(1) = follow HW1_EN signal + BIT(2) = follow HW2_EN signal + BIT(3) = follow HW3_EN signal + +- qcom,pin-ctrl-hpm: + Usage: optional + Value type: <u32> + Description: Bit mask specifying which hardware pins should be used to + force the regulator into high power mode, if any; + supported bits are: + 0 = ignore all hardware enable signals + BIT(0) = follow HW0_EN signal + BIT(1) = follow HW1_EN signal + BIT(2) = follow HW2_EN signal + BIT(3) = follow HW3_EN signal + BIT(4) = follow PMIC awake state + +- qcom,vs-soft-start-strength: + Usage: optional + Value type: <u32> + Description: This property sets the soft start strength for voltage + switch type regulators; supported values are: + 0 = 0.05 uA + 1 = 0.25 uA + 2 = 0.55 uA + 3 = 0.75 uA + +Example: + + regulators { + compatible = "qcom,pm8941-regulators"; + vdd_l1_l3-supply = <&s1>; + + s1: s1 { + regulator-min-microvolt = <1300000>; + regulator-max-microvolt = <1400000>; + }; + + ... + + l1: l1 { + regulator-min-microvolt = <1225000>; + regulator-max-microvolt = <1300000>; + }; + + .... + }; |