diff options
Diffstat (limited to 'dts/Bindings/regulator')
| -rw-r--r-- | dts/Bindings/regulator/lm363x-regulator.txt | 34 | ||||
| -rw-r--r-- | dts/Bindings/regulator/pv88060.txt | 124 | ||||
| -rw-r--r-- | dts/Bindings/regulator/pv88090.txt | 65 | ||||
| -rw-r--r-- | dts/Bindings/regulator/qcom,smd-rpm-regulator.txt | 159 | ||||
| -rw-r--r-- | dts/Bindings/regulator/s5m8767-regulator.txt | 163 | ||||
| -rw-r--r-- | dts/Bindings/regulator/samsung,s2mpa01.txt | 79 | ||||
| -rw-r--r-- | dts/Bindings/regulator/samsung,s2mps11.txt | 102 | ||||
| -rw-r--r-- | dts/Bindings/regulator/samsung,s5m8767.txt | 145 | ||||
| -rw-r--r-- | dts/Bindings/regulator/tps65217.txt | 10 |
9 files changed, 718 insertions, 163 deletions
diff --git a/dts/Bindings/regulator/lm363x-regulator.txt b/dts/Bindings/regulator/lm363x-regulator.txt new file mode 100644 index 0000000000..8f14df9d12 --- /dev/null +++ b/dts/Bindings/regulator/lm363x-regulator.txt @@ -0,0 +1,34 @@ +TI LMU LM363x regulator device tree bindings + +LM363x regulator driver supports LM3631 and LM3632. +LM3631 has five regulators and LM3632 supports three regulators. + +Required property: + - compatible: "ti,lm363x-regulator" + +Optional properties: + LM3632 has external enable pins for two LDOs. + - ti,lcm-en1-gpio: A GPIO specifier for Vpos control pin. + - ti,lcm-en2-gpio: A GPIO specifier for Vneg control pin. + +Child nodes: + LM3631 + - vboost + - vcont + - voref + - vpos + - vneg + + LM3632 + - vboost + - vpos + - vneg + + Optional properties of a child node: + Each sub-node should contain the constraints and initialization. + Please refer to [1]. + +Examples: Please refer to ti-lmu dt-bindings [2]. + +[1] ../regulator/regulator.txt +[2] ../mfd/ti-lmu.txt diff --git a/dts/Bindings/regulator/pv88060.txt b/dts/Bindings/regulator/pv88060.txt new file mode 100644 index 0000000000..10a6dadc00 --- /dev/null +++ b/dts/Bindings/regulator/pv88060.txt @@ -0,0 +1,124 @@ +* Powerventure Semiconductor PV88060 Voltage Regulator + +Required properties: +- compatible: "pvs,pv88060". +- reg: I2C slave address, usually 0x49. +- 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, LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7, SW1, SW2, SW3, SW4, + SW5, and SW6. + +Optional properties: +- Any optional property defined in regulator.txt + +Example + + pmic: pv88060@49 { + compatible = "pvs,pv88060"; + reg = <0x49>; + interrupt-parent = <&gpio>; + interrupts = <24 24>; + + regulators { + BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <4387500>; + regulator-min-microamp = <1496000>; + regulator-max-microamp = <4189000>; + regulator-boot-on; + }; + + LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO7 { + regulator-name = "ldo7"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + SW1 { + regulator-name = "sw1"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + SW2 { + regulator-name = "sw2"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW3 { + regulator-name = "sw3"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW4 { + regulator-name = "sw4"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW5 { + regulator-name = "sw5"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW6 { + regulator-name = "sw6"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + }; + };
\ No newline at end of file diff --git a/dts/Bindings/regulator/pv88090.txt b/dts/Bindings/regulator/pv88090.txt new file mode 100644 index 0000000000..e52b2a95cd --- /dev/null +++ b/dts/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/dts/Bindings/regulator/qcom,smd-rpm-regulator.txt b/dts/Bindings/regulator/qcom,smd-rpm-regulator.txt new file mode 100644 index 0000000000..1f8d6f84b6 --- /dev/null +++ b/dts/Bindings/regulator/qcom,smd-rpm-regulator.txt @@ -0,0 +1,159 @@ +QCOM SMD RPM REGULATOR + +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. + +Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt for +information pertaining to the SMD node. + +Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt for +information regarding the RPM node. + +== Regulator + +Regulator nodes are identified by their compatible: + +- compatible: + Usage: required + 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: +- 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_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: +- vdd_l5_l7-supply: +- vdd_l6_l12_l14_l15-supply: +- vdd_l8_l16_l18_l19-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 + +- 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. + +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. + += EXAMPLE + + 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"; + + pm8941-regulators { + compatible = "qcom,rpm-pm8941-regulators"; + vdd_l13_l20_l23_l24-supply = <&pm8941_boost>; + + pm8941_s3: s3 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + pm8941_boost: s4 { + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + pm8941_l20: l20 { + regulator-min-microvolt = <2950000>; + regulator-max-microvolt = <2950000>; + }; + }; + }; + }; + }; diff --git a/dts/Bindings/regulator/s5m8767-regulator.txt b/dts/Bindings/regulator/s5m8767-regulator.txt deleted file mode 100644 index 20191315e4..0000000000 --- a/dts/Bindings/regulator/s5m8767-regulator.txt +++ /dev/null @@ -1,163 +0,0 @@ -* Samsung S5M8767 Voltage and Current Regulator - -The Samsung S5M8767 is a multi-function device which includes voltage 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 these properties: - - 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 - - s5m8767,pmic-ext-control-gpios: (optional) GPIO specifier for one - GPIO controlling this regulator (enable/disable); This is - valid only for buck9. - -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: LDO1, LDO2, 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 0>, /* DVS1 */ - <&gpx0 1 0>, /* DVS2 */ - <&gpx0 2 0>; /* DVS3 */ - - s5m8767,pmic-buck-ds-gpios = <&gpx2 3 0>, /* SET1 */ - <&gpx2 4 0>, /* SET2 */ - <&gpx2 5 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; - }; - - vemmc_reg: BUCK9 { - regulator-name = "VMEM_VDD_2.8V"; - regulator-min-microvolt = <2800000>; - regulator-max-microvolt = <2800000>; - op_mode = <3>; /* Standby Mode */ - s5m8767,pmic-ext-control-gpios = <&gpk0 2 0>; - }; - }; - }; diff --git a/dts/Bindings/regulator/samsung,s2mpa01.txt b/dts/Bindings/regulator/samsung,s2mpa01.txt new file mode 100644 index 0000000000..bae3c7f838 --- /dev/null +++ b/dts/Bindings/regulator/samsung,s2mpa01.txt @@ -0,0 +1,79 @@ +Binding for Samsung S2MPA01 regulator block +=========================================== + +This is a part of device tree bindings for S2M family multi-function devices. +More information can be found in bindings/mfd/sec-core.txt file. + +The S2MPA01 device provide buck and LDO regulators. + +To register these with regulator framework instantiate under main device node +a sub-node named "regulators" with more sub-nodes for each regulator using the +common regulator binding documented in: + - Documentation/devicetree/bindings/regulator/regulator.txt + + +Names of regulators supported by S2MPA01 device: + - LDOn + - valid values for n are 1 to 26 + - Example: LDO1, LD02, LDO26 + - BUCKn + - valid values for n are 1 to 10. + - Example: BUCK1, BUCK2, BUCK9 +Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number +as per the datasheet of device. + + +Optional properties of buck regulator nodes under "regulators" sub-node: + - regulator-ramp-delay: ramp delay in uV/us. May be 6250, 12500 + (default), 25000, or 50000. May be 0 for disabling the ramp delay on + BUCK{1,2,3,4}. + + In the absence of the regulator-ramp-delay property, the default ramp + delay will be used. + + Note: Some bucks share the ramp rate setting i.e. same ramp value + will be set for a particular group of bucks so provide the same + regulator-ramp-delay value for them. + Groups sharing ramp rate: + - buck{1,6}, + - buck{2,4}, + - buck{8,9,10}. + +Example: + + s2mpa01_pmic@66 { + compatible = "samsung,s2mpa01-pmic"; + reg = <0x66>; + + regulators { + ldo1_reg: LDO1 { + regulator-name = "VDD_ALIVE"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + }; + + ldo2_reg: LDO2 { + regulator-name = "VDDQ_MMC2"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-always-on; + }; + + buck1_reg: BUCK1 { + regulator-name = "vdd_mif"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + + buck2_reg: BUCK2 { + regulator-name = "vdd_arm"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + regulator-ramp-delay = <50000>; + }; + }; + }; diff --git a/dts/Bindings/regulator/samsung,s2mps11.txt b/dts/Bindings/regulator/samsung,s2mps11.txt new file mode 100644 index 0000000000..27a48bf1b1 --- /dev/null +++ b/dts/Bindings/regulator/samsung,s2mps11.txt @@ -0,0 +1,102 @@ +Binding for Samsung S2M family regulator block +============================================== + +This is a part of device tree bindings for S2M family multi-function devices. +More information can be found in bindings/mfd/sec-core.txt file. + +The S2MPS11/13/14/15 and S2MPU02 devices provide buck and LDO regulators. + +To register these with regulator framework instantiate under main device node +a sub-node named "regulators" with more sub-nodes for each regulator using the +common regulator binding documented in: + - Documentation/devicetree/bindings/regulator/regulator.txt + + +Names of regulators supported by different devices: + - LDOn + - valid values for n are: + - S2MPS11: 1 to 38 + - S2MPS13: 1 to 40 + - S2MPS14: 1 to 25 + - S2MPS15: 1 to 27 + - S2MPU02: 1 to 28 + - Example: LDO1, LDO2, LDO28 + - BUCKn + - valid values for n are: + - S2MPS11: 1 to 10 + - S2MPS13: 1 to 10 + - S2MPS14: 1 to 5 + - S2MPS15: 1 to 10 + - S2MPU02: 1 to 7 + - Example: BUCK1, BUCK2, BUCK9 +Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number +as per the datasheet of device. + + +Optional properties of the nodes under "regulators" sub-node: + - regulator-ramp-delay: ramp delay in uV/us. May be 6250, 12500, + 25000 (default) or 50000. + + Additionally S2MPS11 supports disabling ramp delay for BUCK{2,3,4,6} + by setting it to <0>. + + Note: On S2MPS11 some bucks share the ramp rate setting i.e. same ramp value + will be set for a particular group of bucks so provide the same + regulator-ramp-delay value for them. + Groups sharing ramp rate: + - buck{1,6}, + - buck{3,4}, + - buck{7,8,10}. + + - samsung,ext-control-gpios: On S2MPS14 the LDO10, LDO11 and LDO12 can be + configured to external control over GPIO. To turn this feature on this + property must be added to the regulator sub-node: + - samsung,ext-control-gpios: GPIO specifier for one GPIO + controlling this regulator (enable/disable) + Example: + LDO12 { + regulator-name = "V_EMMC_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + samsung,ext-control-gpios = <&gpk0 2 0>; + }; + + +Example: + + s2mps11_pmic@66 { + compatible = "samsung,s2mps11-pmic"; + reg = <0x66>; + + 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_mif"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + + buck2_reg: BUCK2 { + regulator-name = "vdd_arm"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + regulator-ramp-delay = <50000>; + }; + }; + }; diff --git a/dts/Bindings/regulator/samsung,s5m8767.txt b/dts/Bindings/regulator/samsung,s5m8767.txt new file mode 100644 index 0000000000..093edda0c8 --- /dev/null +++ b/dts/Bindings/regulator/samsung,s5m8767.txt @@ -0,0 +1,145 @@ +Binding for Samsung S5M8767 regulator block +=========================================== + +This is a part of device tree bindings for S5M family multi-function devices. +More information can be found in bindings/mfd/sec-core.txt file. + +The S5M8767 device provide buck and LDO regulators. + +To register these with regulator framework instantiate under main device node +a sub-node named "regulators" with more sub-nodes for each regulator using the +common regulator binding documented in: + - Documentation/devicetree/bindings/regulator/regulator.txt + + +Required properties of the main device node (the parent!): + - 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 of the main device node (the parent!): + - 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. + + +Names of regulators supported by S5M8767 device: + - LDOn + - valid values for n are 1 to 28 + - Example: LDO1, LDO2, LDO28 + - BUCKn + - valid values for n are 1 to 9. + - Example: BUCK1, BUCK2, BUCK9 +Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number +as per the datasheet of device. + + +Optional properties of the nodes under "regulators" sub-node: + - 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 + - s5m8767,pmic-ext-control-gpios: (optional) GPIO specifier for one + GPIO controlling this regulator + (enable/disable); This is valid only + for buck9. + +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 0>, /* DVS1 */ + <&gpx0 1 0>, /* DVS2 */ + <&gpx0 2 0>; /* DVS3 */ + + s5m8767,pmic-buck-ds-gpios = <&gpx2 3 0>, /* SET1 */ + <&gpx2 4 0>, /* SET2 */ + <&gpx2 5 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; + }; + + vemmc_reg: BUCK9 { + regulator-name = "VMEM_VDD_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + op_mode = <3>; /* Standby Mode */ + s5m8767,pmic-ext-control-gpios = <&gpk0 2 0>; + }; + }; + }; diff --git a/dts/Bindings/regulator/tps65217.txt b/dts/Bindings/regulator/tps65217.txt index 4f05d208c9..d18109657d 100644 --- a/dts/Bindings/regulator/tps65217.txt +++ b/dts/Bindings/regulator/tps65217.txt @@ -26,7 +26,11 @@ Example: ti,pmic-shutdown-controller; regulators { + #address-cells = <1>; + #size-cells = <0>; + dcdc1_reg: dcdc1 { + reg = <0>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1800000>; regulator-boot-on; @@ -34,6 +38,7 @@ Example: }; dcdc2_reg: dcdc2 { + reg = <1>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -41,6 +46,7 @@ Example: }; dcdc3_reg: dcc3 { + reg = <2>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1500000>; regulator-boot-on; @@ -48,6 +54,7 @@ Example: }; ldo1_reg: ldo1 { + reg = <3>; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -55,6 +62,7 @@ Example: }; ldo2_reg: ldo2 { + reg = <4>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -62,6 +70,7 @@ Example: }; ldo3_reg: ldo3 { + reg = <5>; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -69,6 +78,7 @@ Example: }; ldo4_reg: ldo4 { + reg = <6>; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-boot-on; |