From d57287b4fbf6bdb0386c839f2faa2ae4f6bad550 Mon Sep 17 00:00:00 2001 From: Sean Wang Date: Tue, 15 Aug 2017 17:09:14 +0800 Subject: [PATCH] regulator: Add document for MediaTek MT6380 regulator add dt-binding document for MediaTek MT6380 PMIC Signed-off-by: Chenglin Xu Signed-off-by: Sean Wang Signed-off-by: Mark Brown --- .../bindings/regulator/mt6380-regulator.txt | 89 +++++++++++++++++++ 1 file changed, 89 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 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- and ldo-. 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; + }; + }; -- 2.20.1