xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunMediaTek MT6380 Regulator
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunAll voltage regulators provided by the MT6380 PMIC are described as the
4*4882a593Smuzhiyunsubnodes of the MT6380 regulators node. Each regulator is named according
5*4882a593Smuzhiyunto its regulator type, buck-<name> and ldo-<name>. The definition for each
6*4882a593Smuzhiyunof these nodes is defined using the standard binding for regulators at
7*4882a593SmuzhiyunDocumentation/devicetree/bindings/regulator/regulator.txt.
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunThe valid names for regulators are:
10*4882a593SmuzhiyunBUCK:
11*4882a593Smuzhiyun  buck-core1, buck-vcore, buck-vrf
12*4882a593SmuzhiyunLDO:
13*4882a593Smuzhiyun  ldo-vm ,ldo-va , ldo-vphy, ldo-vddr, ldo-vt
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunExample:
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun	regulators {
18*4882a593Smuzhiyun		compatible = "mediatek,mt6380-regulator";
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun		mt6380_vcpu_reg: buck-vcore1 {
21*4882a593Smuzhiyun			regulator-name = "vcore1";
22*4882a593Smuzhiyun			regulator-min-microvolt = < 600000>;
23*4882a593Smuzhiyun			regulator-max-microvolt = <1393750>;
24*4882a593Smuzhiyun			regulator-ramp-delay = <6250>;
25*4882a593Smuzhiyun			regulator-always-on;
26*4882a593Smuzhiyun			regulator-boot-on;
27*4882a593Smuzhiyun		};
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun		mt6380_vcore_reg: buck-vcore {
30*4882a593Smuzhiyun			regulator-name = "vcore";
31*4882a593Smuzhiyun			regulator-min-microvolt = <600000>;
32*4882a593Smuzhiyun			regulator-max-microvolt = <1393750>;
33*4882a593Smuzhiyun			regulator-ramp-delay = <6250>;
34*4882a593Smuzhiyun		};
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun		mt6380_vrf_reg: buck-vrf {
37*4882a593Smuzhiyun			regulator-name = "vrf";
38*4882a593Smuzhiyun			regulator-min-microvolt = <1200000>;
39*4882a593Smuzhiyun			regulator-max-microvolt = <1575000>;
40*4882a593Smuzhiyun			regulator-ramp-delay = <0>;
41*4882a593Smuzhiyun			regulator-always-on;
42*4882a593Smuzhiyun			regulator-boot-on;
43*4882a593Smuzhiyun		};
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun		mt6380_vm_reg: ldo-vm {
46*4882a593Smuzhiyun			regulator-name = "vm";
47*4882a593Smuzhiyun			regulator-min-microvolt = <1050000>;
48*4882a593Smuzhiyun			regulator-max-microvolt = <1400000>;
49*4882a593Smuzhiyun			regulator-ramp-delay = <0>;
50*4882a593Smuzhiyun			regulator-always-on;
51*4882a593Smuzhiyun			regulator-boot-on;
52*4882a593Smuzhiyun		};
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun		mt6380_va_reg: ldo-va {
55*4882a593Smuzhiyun			regulator-name = "va";
56*4882a593Smuzhiyun			regulator-min-microvolt = <2200000>;
57*4882a593Smuzhiyun			regulator-max-microvolt = <3300000>;
58*4882a593Smuzhiyun			regulator-ramp-delay = <0>;
59*4882a593Smuzhiyun			regulator-always-on;
60*4882a593Smuzhiyun			regulator-boot-on;
61*4882a593Smuzhiyun		};
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun		mt6380_vphy_reg: ldo-vphy {
64*4882a593Smuzhiyun			regulator-name = "vphy";
65*4882a593Smuzhiyun			regulator-min-microvolt = <1800000>;
66*4882a593Smuzhiyun			regulator-max-microvolt = <1800000>;
67*4882a593Smuzhiyun			regulator-ramp-delay = <0>;
68*4882a593Smuzhiyun			regulator-always-on;
69*4882a593Smuzhiyun			regulator-boot-on;
70*4882a593Smuzhiyun		};
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun		mt6380_vddr_reg: ldo-vddr {
73*4882a593Smuzhiyun			regulator-name = "vddr";
74*4882a593Smuzhiyun			regulator-min-microvolt = <1240000>;
75*4882a593Smuzhiyun			regulator-max-microvolt = <1840000>;
76*4882a593Smuzhiyun			regulator-ramp-delay = <0>;
77*4882a593Smuzhiyun			regulator-always-on;
78*4882a593Smuzhiyun			regulator-boot-on;
79*4882a593Smuzhiyun		};
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun		mt6380_vt_reg: ldo-vt {
82*4882a593Smuzhiyun			regulator-name = "vt";
83*4882a593Smuzhiyun			regulator-min-microvolt = <2200000>;
84*4882a593Smuzhiyun			regulator-max-microvolt = <3300000>;
85*4882a593Smuzhiyun			regulator-ramp-delay = <0>;
86*4882a593Smuzhiyun			regulator-always-on;
87*4882a593Smuzhiyun			regulator-boot-on;
88*4882a593Smuzhiyun		};
89*4882a593Smuzhiyun	};
90