Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/regulator/mediatek,mt6358-regulator.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MediaTek MT6358 Regulator |
| 8 | |
| 9 | maintainers: |
| 10 | - Zhiyong Tao <zhiyong.tao@mediatek.com> |
| 11 | |
| 12 | description: |
| 13 | Regulator node of the PMIC. This node should under the PMIC's device node. |
| 14 | All voltage regulators provided by the PMIC are described as sub-nodes of |
| 15 | this node. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | oneOf: |
| 20 | - const: mediatek,mt6358-regulator |
| 21 | - items: |
| 22 | - const: mediatek,mt6366-regulator |
| 23 | - const: mediatek,mt6358-regulator |
| 24 | |
| 25 | vsys-ldo1-supply: |
| 26 | description: Supply for LDOs vfe28, vxo22, vcn28, vaux18, vaud28, vsim1, vusb, vbif28 |
| 27 | vsys-ldo2-supply: |
| 28 | description: Supply for LDOs vldo28 (MT6358 only), vio28, vmc, vmch, vsim2 |
| 29 | vsys-ldo3-supply: |
| 30 | description: Supply for LDOs vcn33, vcama[12] (MT6358 only), vemc, vibr |
| 31 | vsys-vcore-supply: |
| 32 | description: Supply for buck regulator vcore |
| 33 | vsys-vdram1-supply: |
| 34 | description: Supply for buck regulator vdram1 |
| 35 | vsys-vgpu-supply: |
| 36 | description: Supply for buck regulator vgpu |
| 37 | vsys-vmodem-supply: |
| 38 | description: Supply for buck regulator vmodem |
| 39 | vsys-vpa-supply: |
| 40 | description: Supply for buck regulator vpa |
| 41 | vsys-vproc11-supply: |
| 42 | description: Supply for buck regulator vproc11 |
| 43 | vsys-vproc12-supply: |
| 44 | description: Supply for buck regulator vproc12 |
| 45 | vsys-vs1-supply: |
| 46 | description: Supply for buck regulator vs1 |
| 47 | vsys-vs2-supply: |
| 48 | description: Supply for buck regulator vs2 |
| 49 | vs1-ldo1-supply: |
| 50 | description: |
| 51 | Supply for LDOs vrf18, vefuse, vcn18, vcamio (MT6358 only), vio18, vm18 (MT6366 only) |
| 52 | vs2-ldo1-supply: |
| 53 | description: Supply for LDOs vdram2, vmddr (MT6366 only) |
| 54 | vs2-ldo2-supply: |
| 55 | description: Supply for LDOs vrf12, va12 |
| 56 | vs2-ldo3-supply: |
| 57 | description: |
| 58 | Supply for LDOs vsram-core (MT6366 only), vsram-gpu, vsram-others, vsram-proc11, vsram-proc12 |
| 59 | vs2-ldo4-supply: |
| 60 | description: Supply for LDO vcamd |
| 61 | |
| 62 | patternProperties: |
| 63 | "^(buck_)?v(core|dram1|gpu|modem|pa|proc1[12]|s[12])$": |
| 64 | description: Buck regulators |
| 65 | type: object |
| 66 | $ref: regulator.yaml# |
| 67 | properties: |
| 68 | regulator-allowed-modes: |
| 69 | description: | |
| 70 | Buck regulatpr operating modes allowed. Valid values below. |
| 71 | Users should use the macros from dt-bindings/regulator/mediatek,mt6397-regulator.h |
| 72 | 0 (MT6397_BUCK_MODE_AUTO): Auto PFM/PWM mode |
| 73 | 1 (MT6397_BUCK_MODE_FORCE_PWM): Forced PWM mode |
| 74 | items: |
| 75 | enum: [0, 1] |
| 76 | unevaluatedProperties: false |
| 77 | |
| 78 | "^(ldo_)?v(a|rf)12$": |
| 79 | description: LDOs with fixed 1.2V output and 0~100/10mV tuning |
| 80 | type: object |
| 81 | $ref: regulator.yaml# |
| 82 | properties: |
| 83 | regulator-allowed-modes: false |
| 84 | unevaluatedProperties: false |
| 85 | |
| 86 | "^(ldo_)?v((aux|cn|io|rf)18|camio)$": |
| 87 | description: |
| 88 | LDOs with fixed 1.8V output and 0~100/10mV tuning (vcn18 on MT6366 has variable output) |
| 89 | type: object |
| 90 | $ref: regulator.yaml# |
| 91 | properties: |
| 92 | regulator-allowed-modes: false |
| 93 | unevaluatedProperties: false |
| 94 | |
| 95 | "^(ldo_)?vxo22$": |
| 96 | description: LDOs with fixed 2.2V output and 0~100/10mV tuning |
| 97 | type: object |
| 98 | $ref: regulator.yaml# |
| 99 | properties: |
| 100 | regulator-allowed-modes: false |
| 101 | unevaluatedProperties: false |
| 102 | |
| 103 | "^(ldo_)?v(aud|bif|cn|fe|io)28$": |
| 104 | description: LDOs with fixed 2.8V output and 0~100/10mV tuning |
| 105 | type: object |
| 106 | $ref: regulator.yaml# |
| 107 | properties: |
| 108 | regulator-allowed-modes: false |
| 109 | unevaluatedProperties: false |
| 110 | |
| 111 | "^(ldo_)?vusb$": |
| 112 | description: LDOs with fixed 3.0V output and 0~100/10mV tuning |
| 113 | type: object |
| 114 | $ref: regulator.yaml# |
| 115 | properties: |
| 116 | regulator-allowed-modes: false |
| 117 | unevaluatedProperties: false |
| 118 | |
| 119 | "^(ldo_)?vsram[_-](core|gpu|others|proc1[12])$": |
| 120 | description: LDOs with variable output |
| 121 | type: object |
| 122 | $ref: regulator.yaml# |
| 123 | properties: |
| 124 | regulator-allowed-modes: false |
| 125 | unevaluatedProperties: false |
| 126 | |
| 127 | "^(ldo_)?v(cama[12]|camd|cn33|dram2|efuse|emc|ibr|ldo28|m18|mc|mch|mddr|sim[12])$": |
| 128 | description: LDOs with variable output and 0~100/10mV tuning |
| 129 | type: object |
| 130 | $ref: regulator.yaml# |
| 131 | properties: |
| 132 | regulator-allowed-modes: false |
| 133 | unevaluatedProperties: false |
| 134 | |
| 135 | required: |
| 136 | - compatible |
| 137 | |
| 138 | additionalProperties: false |
| 139 | |
| 140 | allOf: |
| 141 | - if: |
| 142 | properties: |
| 143 | compatible: |
| 144 | const: mediatek,mt6358-regulator |
| 145 | then: |
| 146 | patternProperties: |
| 147 | # Old regulator node name scheme (with prefix and underscores) only |
| 148 | # ([^y-] is used to avoid matching -supply |
| 149 | "^(?<!buck_)(?<!ldo_)v.*[^y-](?!-supply)$": false |
| 150 | "^ldo_vsram-": false |
| 151 | # vsram_core regulator doesn't exist on MT6358 |
| 152 | "^ldo_vsram[-_]core$": false |
| 153 | |
| 154 | properties: |
| 155 | # vm18 and vmddr regulators don't exist on MT6358 |
| 156 | ldo_vm18: false |
| 157 | ldo_vmddr: false |
| 158 | |
| 159 | - if: |
| 160 | properties: |
| 161 | compatible: |
| 162 | contains: |
| 163 | const: mediatek,mt6366-regulator |
| 164 | then: |
| 165 | patternProperties: |
| 166 | # Prefer cleaned up regulator node names |
| 167 | "^(buck|ldo)_": false |
| 168 | # Don't allow underscores |
| 169 | "^vsram_": false |
| 170 | # vcam* regulators don't exist on MT6366 |
| 171 | "^vcam": false |
| 172 | |
| 173 | properties: |
| 174 | # vldo28 regulator doesn't exist on MT6366 |
| 175 | vldo28: false |
| 176 | # vs2_ldo4 supply pin doesn't exist on MT6366 |
| 177 | vs2-ldo4-supply: false |
| 178 | |
| 179 | examples: |
| 180 | - | |
| 181 | #include <dt-bindings/regulator/mediatek,mt6397-regulator.h> |
| 182 | |
| 183 | regulator { |
| 184 | compatible = "mediatek,mt6358-regulator"; |
| 185 | |
| 186 | buck_vgpu { |
| 187 | regulator-name = "vgpu"; |
| 188 | regulator-min-microvolt = <625000>; |
| 189 | regulator-max-microvolt = <900000>; |
| 190 | regulator-ramp-delay = <6250>; |
| 191 | regulator-enable-ramp-delay = <200>; |
| 192 | regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO |
| 193 | MT6397_BUCK_MODE_FORCE_PWM>; |
| 194 | }; |
| 195 | |
| 196 | ldo_vsram_gpu { |
| 197 | regulator-name = "vsram_gpu"; |
| 198 | regulator-min-microvolt = <850000>; |
| 199 | regulator-max-microvolt = <1000000>; |
| 200 | regulator-ramp-delay = <6250>; |
| 201 | regulator-enable-ramp-delay = <240>; |
| 202 | }; |
| 203 | }; |
| 204 | |
| 205 | - | |
| 206 | #include <dt-bindings/regulator/mediatek,mt6397-regulator.h> |
| 207 | |
| 208 | regulator { |
| 209 | compatible = "mediatek,mt6366-regulator", "mediatek,mt6358-regulator"; |
| 210 | |
| 211 | vdram1 { |
| 212 | regulator-name = "pp1125_emi_vdd2"; |
| 213 | regulator-min-microvolt = <1125000>; |
| 214 | regulator-max-microvolt = <1125000>; |
| 215 | regulator-ramp-delay = <12500>; |
| 216 | regulator-enable-ramp-delay = <0>; |
| 217 | regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO |
| 218 | MT6397_BUCK_MODE_FORCE_PWM>; |
| 219 | regulator-always-on; |
| 220 | }; |
| 221 | |
| 222 | vproc11 { |
| 223 | regulator-name = "ppvar_dvdd_proc_bc_mt6366"; |
| 224 | regulator-min-microvolt = <600000>; |
| 225 | regulator-max-microvolt = <1200000>; |
| 226 | regulator-ramp-delay = <6250>; |
| 227 | regulator-enable-ramp-delay = <200>; |
| 228 | regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO |
| 229 | MT6397_BUCK_MODE_FORCE_PWM>; |
| 230 | regulator-always-on; |
| 231 | }; |
| 232 | |
| 233 | vmddr { |
| 234 | regulator-name = "pm0750_emi_vmddr"; |
| 235 | regulator-min-microvolt = <700000>; |
| 236 | regulator-max-microvolt = <750000>; |
| 237 | regulator-enable-ramp-delay = <325>; |
| 238 | regulator-always-on; |
| 239 | }; |
| 240 | |
| 241 | vsram-proc11 { |
| 242 | regulator-name = "pp0900_dvdd_sram_bc"; |
| 243 | regulator-min-microvolt = <850000>; |
| 244 | regulator-max-microvolt = <1120000>; |
| 245 | regulator-ramp-delay = <6250>; |
| 246 | regulator-enable-ramp-delay = <240>; |
| 247 | regulator-always-on; |
| 248 | }; |
| 249 | }; |
| 250 | ... |