diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/regulator/pv88090.txt | 65 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt (renamed from Documentation/devicetree/bindings/soc/qcom,smd-rpm.txt) | 84 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt | 58 |
3 files changed, 186 insertions, 21 deletions
diff --git a/Documentation/devicetree/bindings/regulator/pv88090.txt b/Documentation/devicetree/bindings/regulator/pv88090.txt new file mode 100644 index 000000000000..e52b2a95cdde --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/pv88090.txt @@ -0,0 +1,65 @@ +* Powerventure Semiconductor PV88090 Voltage Regulator + +Required properties: +- compatible: "pvs,pv88090". +- reg: I2C slave address, usually 0x48. +- 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. + BUCK1, BUCK2, BUCK3, LDO1, and LDO2. + +Optional properties: +- Any optional property defined in regulator.txt + +Example + + pmic: pv88090@48 { + compatible = "pvs,pv88090"; + reg = <0x48>; + interrupt-parent = <&gpio>; + interrupts = <24 24>; + + regulators { + BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1393750>; + regulator-min-microamp = < 220000>; + regulator-max-microamp = <7040000>; + regulator-boot-on; + }; + + BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1393750>; + regulator-min-microamp = <1496000>; + regulator-max-microamp = <4189000>; + }; + + BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1393750>; + regulator-min-microamp = <1496000>; + regulator-max-microamp = <4189000>; + regulator-boot-on; + }; + + LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <4350000>; + regulator-boot-on; + }; + + LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = < 650000>; + regulator-max-microvolt = <2225000>; + regulator-boot-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom,smd-rpm.txt b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt index e27f5c4c54fd..1f8d6f84b657 100644 --- a/Documentation/devicetree/bindings/soc/qcom,smd-rpm.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt @@ -1,27 +1,17 @@ -Qualcomm Resource Power Manager (RPM) over SMD +QCOM SMD RPM REGULATOR -This driver is used to interface with the Resource Power Manager (RPM) found in -various Qualcomm platforms. The RPM allows each component in the system to vote -for state of the system resources, such as clocks, regulators and bus -frequencies. +The Qualcomm RPM over SMD regulator is modelled as a subdevice of the RPM. +Because SMD is used as the communication transport mechanism, the RPM resides as +a subnode of the SMD. As such, the SMD-RPM regulator requires that the SMD and +RPM nodes be present. -- compatible: - Usage: required - Value type: <string> - Definition: must be one of: - "qcom,rpm-msm8974" +Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt for +information pertaining to the SMD node. -- qcom,smd-channels: - Usage: required - Value type: <stringlist> - Definition: Shared Memory channel used for communication with the RPM +Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt for +information regarding the RPM node. -= SUBDEVICES - -The RPM exposes resources to its subnodes. The below bindings specify the set -of valid subnodes that can operate on these resources. - -== Regulators +== Regulator Regulator nodes are identified by their compatible: @@ -30,7 +20,9 @@ Regulator nodes are identified by their compatible: Value type: <string> Definition: must be one of: "qcom,rpm-pm8841-regulators" + "qcom,rpm-pm8916-regulators" "qcom,rpm-pm8941-regulators" + "qcom,rpm-pma8084-regulators" - vdd_s1-supply: - vdd_s2-supply: @@ -48,6 +40,19 @@ Regulator nodes are identified by their compatible: - vdd_s1-supply: - vdd_s2-supply: - vdd_s3-supply: +- vdd_s4-supply: +- vdd_l1_l2_l3-supply: +- vdd_l4_l5_l6-supply: +- vdd_l7-supply: +- vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_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_lvs1_2_3-supply: - vdd_l4_l11-supply: @@ -63,6 +68,35 @@ Regulator nodes are identified by their compatible: 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_s5-supply: +- vdd_s6-supply: +- vdd_s7-supply: +- vdd_s8-supply: +- vdd_s9-supply: +- vdd_s10-supply: +- vdd_s11-supply: +- vdd_s12-supply: +- vdd_l1_l11-supply: +- vdd_l2_l3_l4_l27-supply: +- vdd_l5_l7-supply: +- vdd_l6_l12_l14_l15_l26-supply: +- vdd_l8-supply: +- vdd_l9_l10_l13_l20_l23_l24-supply: +- vdd_l16_l25-supply: +- vdd_l17-supply: +- vdd_l18-supply: +- vdd_l19-supply: +- vdd_l21-supply: +- vdd_l22-supply: + Usage: optional (pma8084 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. @@ -70,11 +104,20 @@ 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, s4, 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, 5vs1, 5vs2 +pma8084: + s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, l1, l2, l3, l4, l5, + l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, l16, l17, l18, l19, l20, + l21, l22, l23, l24, l25, l26, l27, lvs1, lvs2, lvs3, lvs4, 5vs1 + The content of each sub-node is defined by the standard binding for regulators - see regulator.txt. @@ -114,4 +157,3 @@ see regulator.txt. }; }; }; - diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt new file mode 100644 index 000000000000..a48049ccf6d0 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt @@ -0,0 +1,58 @@ +Qualcomm Resource Power Manager (RPM) over SMD + +This driver is used to interface with the Resource Power Manager (RPM) found in +various Qualcomm platforms. The RPM allows each component in the system to vote +for state of the system resources, such as clocks, regulators and bus +frequencies. + +The SMD information for the RPM edge should be filled out. See qcom,smd.txt for +the required edge properties. All SMD related properties will reside within the +RPM node itself. + += SUBDEVICES + +The RPM exposes resources to its subnodes. The rpm_requests node must be +present and this subnode may contain children that designate regulator +resources. + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,rpm-apq8084" + "qcom,rpm-msm8916" + "qcom,rpm-msm8974" + +- qcom,smd-channels: + Usage: required + Value type: <string> + Definition: must be "rpm_requests" + +Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt +for information on the regulator subnodes that can exist under the rpm_requests. + +Example: + + soc { + apcs: syscon@f9011000 { + compatible = "syscon"; + reg = <0xf9011000 0x1000>; + }; + }; + + smd { + compatible = "qcom,smd"; + + rpm { + interrupts = <0 168 1>; + qcom,ipc = <&apcs 8 0>; + qcom,smd-edge = <15>; + + rpm_requests { + compatible = "qcom,rpm-msm8974"; + qcom,smd-channels = "rpm_requests"; + + ... + }; + }; + }; |