diff options
Diffstat (limited to 'Documentation/devicetree/bindings/regulator')
6 files changed, 113 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/regulator/mt6311-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6311-regulator.txt index 02649d8b3f5a..84d544d8c1b1 100644 --- a/Documentation/devicetree/bindings/regulator/mt6311-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/mt6311-regulator.txt @@ -1,4 +1,4 @@ -Mediatek MT6311 Regulator Driver +Mediatek MT6311 Regulator Required properties: - compatible: "mediatek,mt6311-regulator" diff --git a/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt index c35d878b0960..a48749db4df3 100644 --- a/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt @@ -1,4 +1,4 @@ -Mediatek MT6323 Regulator Driver +Mediatek MT6323 Regulator All voltage regulators are defined as subnodes of the regulators node. A list of regulators provided by this controller are defined as subnodes of the diff --git a/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt new file mode 100644 index 000000000000..0058441f16d2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt @@ -0,0 +1,89 @@ +MediaTek MT6380 Regulator + +All voltage regulators provided by the MT6380 PMIC are described as the +subnodes of the MT6380 regulators node. Each regulator is named according +to its regulator type, buck-<name> and ldo-<name>. The definition for each +of these nodes is defined using the standard binding for regulators at +Documentation/devicetree/bindings/regulator/regulator.txt. + +The valid names for regulators are: +BUCK: + buck-core1, buck-vcore, buck-vrf +LDO: + ldo-vm ,ldo-va , ldo-vphy, ldo-vddr, ldo-vt + +Example: + + regulators { + compatible = "mediatek,mt6380-regulator"; + + mt6380_vcpu_reg: buck-vcore1 { + regulator-name = "vcore1"; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1393750>; + regulator-ramp-delay = <6250>; + regulator-always-on; + regulator-boot-on; + }; + + mt6380_vcore_reg: buck-vcore { + regulator-name = "vcore"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1393750>; + regulator-ramp-delay = <6250>; + }; + + mt6380_vrf_reg: buck-vrf { + regulator-name = "vrf"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1575000>; + regulator-ramp-delay = <0>; + regulator-always-on; + regulator-boot-on; + }; + + mt6380_vm_reg: ldo-vm { + regulator-name = "vm"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1400000>; + regulator-ramp-delay = <0>; + regulator-always-on; + regulator-boot-on; + }; + + mt6380_va_reg: ldo-va { + regulator-name = "va"; + regulator-min-microvolt = <2200000>; + regulator-max-microvolt = <3300000>; + regulator-ramp-delay = <0>; + regulator-always-on; + regulator-boot-on; + }; + + mt6380_vphy_reg: ldo-vphy { + regulator-name = "vphy"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-ramp-delay = <0>; + regulator-always-on; + regulator-boot-on; + }; + + mt6380_vddr_reg: ldo-vddr { + regulator-name = "vddr"; + regulator-min-microvolt = <1240000>; + regulator-max-microvolt = <1840000>; + regulator-ramp-delay = <0>; + regulator-always-on; + regulator-boot-on; + }; + + mt6380_vt_reg: ldo-vt { + regulator-name = "vt"; + regulator-min-microvolt = <2200000>; + regulator-max-microvolt = <3300000>; + regulator-ramp-delay = <0>; + regulator-always-on; + regulator-boot-on; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/mt6397-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6397-regulator.txt index a42b1d6e9863..01141fb00875 100644 --- a/Documentation/devicetree/bindings/regulator/mt6397-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/mt6397-regulator.txt @@ -1,4 +1,4 @@ -Mediatek MT6397 Regulator Driver +Mediatek MT6397 Regulator Required properties: - compatible: "mediatek,mt6397-regulator" diff --git a/Documentation/devicetree/bindings/regulator/pwm-regulator.txt b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt index bf85aa9ad6a7..3d78d507e29f 100644 --- a/Documentation/devicetree/bindings/regulator/pwm-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt @@ -71,7 +71,7 @@ Continuous Voltage With Enable GPIO Example: * Inverted PWM logic, and the duty cycle range is limited * to 30%-70%. */ - pwm-dutycycle-range <700 300>; /* */ + pwm-dutycycle-range = <700 300>; /* */ }; Voltage Table Example: diff --git a/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt new file mode 100644 index 000000000000..3944ee3e731e --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt @@ -0,0 +1,20 @@ +STM32 VREFBUF - Voltage reference buffer + +Some STM32 devices embed a voltage reference buffer which can be used as +voltage reference for ADCs, DACs and also as voltage reference for external +components through the dedicated VREF+ pin. + +Required properties: +- compatible: Must be "st,stm32-vrefbuf". +- reg: Offset and length of VREFBUF register set. +- clocks: Must contain an entry for peripheral clock. + +Example: + vrefbuf: regulator@58003C00 { + compatible = "st,stm32-vrefbuf"; + reg = <0x58003C00 0x8>; + clocks = <&rcc VREF_CK>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <2500000>; + vdda-supply = <&vdda>; + }; |