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regulator: Add document for MT6397 regulator
Signed-off-by: Flora Fu <flora.fu@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Flora Fu
Mark Brown
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0425e2420c
commit
2696757579
217
Documentation/devicetree/bindings/regulator/mt6397-regulator.txt
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217
Documentation/devicetree/bindings/regulator/mt6397-regulator.txt
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Mediatek MT6397 Regulator Driver
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Required properties:
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- compatible: "mediatek,mt6397-regulator"
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- mt6397regulator: List of regulators provided by this controller. It is named
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according to its regulator type, buck_<name> and ldo_<name>.
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The definition for each of these nodes is defined using the standard binding
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for regulators at Documentation/devicetree/bindings/regulator/regulator.txt.
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The valid names for regulators are::
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BUCK:
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buck_vpca15, buck_vpca7, buck_vsramca15, buck_vsramca7, buck_vcore, buck_vgpu,
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buck_vdrm, buck_vio18
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LDO:
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ldo_vtcxo, ldo_va28, ldo_vcama, ldo_vio28, ldo_vusb, ldo_vmc, ldo_vmch,
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ldo_vemc3v3, ldo_vgp1, ldo_vgp2, ldo_vgp3, ldo_vgp4, ldo_vgp5, ldo_vgp6,
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ldo_vibr
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Example:
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pmic {
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compatible = "mediatek,mt6397";
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mt6397regulator: mt6397regulator {
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compatible = "mediatek,mt6397-regulator";
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mt6397_vpca15_reg: buck_vpca15 {
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regulator-compatible = "buck_vpca15";
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regulator-name = "vpca15";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <200>;
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};
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mt6397_vpca7_reg: buck_vpca7 {
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regulator-compatible = "buck_vpca7";
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regulator-name = "vpca7";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <115>;
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};
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mt6397_vsramca15_reg: buck_vsramca15 {
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regulator-compatible = "buck_vsramca15";
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regulator-name = "vsramca15";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <115>;
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};
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mt6397_vsramca7_reg: buck_vsramca7 {
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regulator-compatible = "buck_vsramca7";
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regulator-name = "vsramca7";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <115>;
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};
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mt6397_vcore_reg: buck_vcore {
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regulator-compatible = "buck_vcore";
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regulator-name = "vcore";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <115>;
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};
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mt6397_vgpu_reg: buck_vgpu {
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regulator-compatible = "buck_vgpu";
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regulator-name = "vgpu";
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regulator-min-microvolt = < 700000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <115>;
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};
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mt6397_vdrm_reg: buck_vdrm {
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regulator-compatible = "buck_vdrm";
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regulator-name = "vdrm";
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regulator-min-microvolt = < 800000>;
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regulator-max-microvolt = <1400000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <500>;
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};
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mt6397_vio18_reg: buck_vio18 {
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regulator-compatible = "buck_vio18";
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regulator-name = "vio18";
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <2120000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <500>;
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};
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mt6397_vtcxo_reg: ldo_vtcxo {
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regulator-compatible = "ldo_vtcxo";
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regulator-name = "vtcxo";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-enable-ramp-delay = <90>;
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};
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mt6397_va28_reg: ldo_va28 {
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regulator-compatible = "ldo_va28";
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regulator-name = "va28";
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/* fixed output 2.8 V */
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vcama_reg: ldo_vcama {
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regulator-compatible = "ldo_vcama";
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regulator-name = "vcama";
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <2800000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vio28_reg: ldo_vio28 {
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regulator-compatible = "ldo_vio28";
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regulator-name = "vio28";
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/* fixed output 2.8 V */
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regulator-enable-ramp-delay = <240>;
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};
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mt6397_usb_reg: ldo_vusb {
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regulator-compatible = "ldo_vusb";
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regulator-name = "vusb";
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/* fixed output 3.3 V */
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vmc_reg: ldo_vmc {
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regulator-compatible = "ldo_vmc";
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regulator-name = "vmc";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vmch_reg: ldo_vmch {
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regulator-compatible = "ldo_vmch";
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regulator-name = "vmch";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vemc_3v3_reg: ldo_vemc3v3 {
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regulator-compatible = "ldo_vemc3v3";
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regulator-name = "vemc_3v3";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vgp1_reg: ldo_vgp1 {
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regulator-compatible = "ldo_vgp1";
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regulator-name = "vcamd";
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regulator-min-microvolt = <1220000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <240>;
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};
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mt6397_vgp2_reg: ldo_vgp2 {
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egulator-compatible = "ldo_vgp2";
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regulator-name = "vcamio";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vgp3_reg: ldo_vgp3 {
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regulator-compatible = "ldo_vgp3";
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regulator-name = "vcamaf";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vgp4_reg: ldo_vgp4 {
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regulator-compatible = "ldo_vgp4";
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regulator-name = "vgp4";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vgp5_reg: ldo_vgp5 {
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regulator-compatible = "ldo_vgp5";
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regulator-name = "vgp5";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3000000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vgp6_reg: ldo_vgp6 {
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regulator-compatible = "ldo_vgp6";
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regulator-name = "vgp6";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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mt6397_vibr_reg: ldo_vibr {
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regulator-compatible = "ldo_vibr";
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regulator-name = "vibr";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <218>;
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};
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};
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};
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