On Sat, Jun 03, 2017 at 01:55:43AM +0800, sean.wang@xxxxxxxxxxxx wrote: > From: Sean Wang <sean.wang@xxxxxxxxxxxx> > > add dt-binding document for MediaTek MT6380 PMIC > > Signed-off-by: Chenglin Xu <chenglin.xu@xxxxxxxxxxxx> > Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx> > --- > .../bindings/regulator/mt6380-regulator.txt | 90 ++++++++++++++++++++++ > 1 file changed, 90 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/mt6380-regulator.txt > > diff --git a/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt > new file mode 100644 > index 0000000..9affeab > --- /dev/null > +++ b/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt > @@ -0,0 +1,90 @@ > +Mediatek MT6380 Regulator Driver > + > +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 > +PMIC's 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_vcore1, buck_vcore, buck_vrf > +LDO: > + ldo_vmldo ,ldo_valdo , ldo_vphyldo, ldo_vddrldo, ldo_vtldo 'ldo' twice in every name is redundant. Use of '_' is discouraged, but if that's what prior PMICs did, it's okay. > + > +Example: > + > + mt6380regulator: mt6380regulator { just "regulators {" > + compatible = "mediatek,mt6380-regulator"; > + > + mt6380_vcpu_reg: buck_vcore1 { > + regulator-name = "vcpu"; > + 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_vmldo { > + regulator-name = "vmldo"; > + regulator-min-microvolt = <1050000>; > + regulator-max-microvolt = <1400000>; > + regulator-ramp-delay = <0>; > + regulator-always-on; > + regulator-boot-on; > + }; > + > + mt6380_va_reg: ldo_valdo { > + regulator-name = "valdo"; > + regulator-min-microvolt = <2200000>; > + regulator-max-microvolt = <3300000>; > + regulator-ramp-delay = <0>; > + regulator-always-on; > + regulator-boot-on; > + }; > + > + mt6380_vphy_reg: ldo_vphyldo { > + regulator-name = "vphyldo"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-ramp-delay = <0>; > + regulator-always-on; > + regulator-boot-on; > + }; > + > + mt6380_vddr_reg: ldo_vddrldo { > + 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_vtldo { > + regulator-name = "vadc18"; > + regulator-min-microvolt = <2200000>; > + regulator-max-microvolt = <3300000>; > + regulator-ramp-delay = <0>; > + regulator-always-on; > + regulator-boot-on; > + }; > + }; > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html