1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/mfd/samsung,s5m8767.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Samsung S5M8767 Power Management IC 8 9maintainers: 10 - Krzysztof Kozlowski <krzk@kernel.org> 11 12description: | 13 This is a part of device tree bindings for S2M and S5M family of Power 14 Management IC (PMIC). 15 16 The Samsung S5M8767 is a Power Management IC which includes voltage 17 and current regulators, RTC, clock outputs and other sub-blocks. 18 19properties: 20 compatible: 21 const: samsung,s5m8767-pmic 22 23 clocks: 24 $ref: /schemas/clock/samsung,s2mps11.yaml 25 description: 26 Child node describing clock provider. 27 28 interrupts: 29 maxItems: 1 30 31 reg: 32 maxItems: 1 33 34 regulators: 35 $ref: /schemas/regulator/samsung,s5m8767.yaml 36 description: 37 List of child nodes that specify the regulators. 38 39 s5m8767,pmic-buck2-dvs-voltage: 40 $ref: /schemas/types.yaml#/definitions/uint32-array 41 minItems: 8 42 maxItems: 8 43 description: | 44 A set of 8 voltage values in micro-volt (uV) units for buck2 when 45 changing voltage using gpio dvs. 46 47 s5m8767,pmic-buck3-dvs-voltage: 48 $ref: /schemas/types.yaml#/definitions/uint32-array 49 minItems: 8 50 maxItems: 8 51 description: | 52 A set of 8 voltage values in micro-volt (uV) units for buck3 when 53 changing voltage using gpio dvs. 54 55 s5m8767,pmic-buck4-dvs-voltage: 56 $ref: /schemas/types.yaml#/definitions/uint32-array 57 minItems: 8 58 maxItems: 8 59 description: | 60 A set of 8 voltage values in micro-volt (uV) units for buck4 when 61 changing voltage using gpio dvs. 62 63 s5m8767,pmic-buck-ds-gpios: 64 minItems: 3 65 maxItems: 3 66 description: | 67 GPIO specifiers for three host gpio's used for selecting GPIO DVS lines. 68 It is one-to-one mapped to dvs gpio lines. 69 70 s5m8767,pmic-buck2-uses-gpio-dvs: 71 type: boolean 72 description: buck2 can be controlled by gpio dvs. 73 74 s5m8767,pmic-buck3-uses-gpio-dvs: 75 type: boolean 76 description: buck3 can be controlled by gpio dvs. 77 78 s5m8767,pmic-buck4-uses-gpio-dvs: 79 type: boolean 80 description: buck4 can be controlled by gpio dvs. 81 82 s5m8767,pmic-buck-default-dvs-idx: 83 $ref: /schemas/types.yaml#/definitions/uint32-array 84 minimum: 0 85 maximum: 7 86 default: 0 87 description: | 88 Default voltage setting selected from the possible 8 options selectable 89 by the dvs gpios. The value of this property should be between 0 and 7. 90 If not specified or if out of range, the default value of this property 91 is set to 0. 92 93 s5m8767,pmic-buck-dvs-gpios: 94 minItems: 3 95 maxItems: 3 96 description: | 97 GPIO specifiers for three host gpio's used for dvs. 98 99 vinb1-supply: 100 description: Power supply for buck1 101 vinb2-supply: 102 description: Power supply for buck2 103 vinb3-supply: 104 description: Power supply for buck3 105 vinb4-supply: 106 description: Power supply for buck4 107 vinb5-supply: 108 description: Power supply for buck5 109 vinb6-supply: 110 description: Power supply for buck6 111 vinb7-supply: 112 description: Power supply for buck7 113 vinb8-supply: 114 description: Power supply for buck8 115 vinb9-supply: 116 description: Power supply for buck9 117 118 vinl1-supply: 119 description: Power supply for LDO3, LDO10, LDO26, LDO27 120 vinl2-supply: 121 description: Power supply for LDO13, LDO16, LDO25, LDO28 122 vinl3-supply: 123 description: Power supply for LDO11, LDO14 124 vinl4-supply: 125 description: Power supply for LDO4, LDO9 126 vinl5-supply: 127 description: Power supply for LDO12, LDO17, LDO19, LDO23 128 vinl6-supply: 129 description: Power supply for LDO18, LDO20, LDO21, LDO24 130 vinl7-supply: 131 description: Power supply for LDO5, LDO22 132 vinl8-supply: 133 description: Power supply for LDO1, LDO6, LDO7, LDO8, LDO15 134 vinl9-supply: 135 description: Power supply for LDO2 136 137 wakeup-source: true 138 139required: 140 - compatible 141 - reg 142 - regulators 143 - s5m8767,pmic-buck-ds-gpios 144 145dependencies: 146 s5m8767,pmic-buck2-dvs-voltage: [ 's5m8767,pmic-buck-dvs-gpios' ] 147 s5m8767,pmic-buck3-dvs-voltage: [ 's5m8767,pmic-buck-dvs-gpios' ] 148 s5m8767,pmic-buck4-dvs-voltage: [ 's5m8767,pmic-buck-dvs-gpios' ] 149 s5m8767,pmic-buck2-uses-gpio-dvs: [ 's5m8767,pmic-buck-dvs-gpios', 's5m8767,pmic-buck2-dvs-voltage' ] 150 s5m8767,pmic-buck3-uses-gpio-dvs: [ 's5m8767,pmic-buck-dvs-gpios', 's5m8767,pmic-buck3-dvs-voltage' ] 151 s5m8767,pmic-buck4-uses-gpio-dvs: [ 's5m8767,pmic-buck-dvs-gpios', 's5m8767,pmic-buck4-dvs-voltage' ] 152 153additionalProperties: false 154 155allOf: 156 - not: 157 required: 158 - s5m8767,pmic-buck2-uses-gpio-dvs 159 - s5m8767,pmic-buck3-uses-gpio-dvs 160 - not: 161 required: 162 - s5m8767,pmic-buck2-uses-gpio-dvs 163 - s5m8767,pmic-buck4-uses-gpio-dvs 164 - not: 165 required: 166 - s5m8767,pmic-buck3-uses-gpio-dvs 167 - s5m8767,pmic-buck4-uses-gpio-dvs 168 169examples: 170 - | 171 #include <dt-bindings/gpio/gpio.h> 172 #include <dt-bindings/interrupt-controller/irq.h> 173 174 i2c { 175 #address-cells = <1>; 176 #size-cells = <0>; 177 178 pmic@66 { 179 compatible = "samsung,s5m8767-pmic"; 180 reg = <0x66>; 181 182 interrupt-parent = <&gpx3>; 183 interrupts = <2 IRQ_TYPE_LEVEL_LOW>; 184 pinctrl-names = "default"; 185 pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>; 186 wakeup-source; 187 188 s5m8767,pmic-buck-default-dvs-idx = <3>; 189 s5m8767,pmic-buck2-uses-gpio-dvs; 190 191 s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, 192 <&gpd1 1 GPIO_ACTIVE_LOW>, 193 <&gpd1 2 GPIO_ACTIVE_LOW>; 194 195 s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, 196 <&gpx2 4 GPIO_ACTIVE_LOW>, 197 <&gpx2 5 GPIO_ACTIVE_LOW>; 198 199 s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>, 200 <1250000>, <1200000>, 201 <1150000>, <1100000>, 202 <1000000>, <950000>; 203 204 s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>, 205 <1100000>, <1100000>, 206 <1000000>, <1000000>, 207 <1000000>, <1000000>; 208 209 s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>, 210 <1200000>, <1200000>, 211 <1200000>, <1200000>, 212 <1200000>, <1200000>; 213 214 clocks { 215 compatible = "samsung,s5m8767-clk"; 216 #clock-cells = <1>; 217 clock-output-names = "en32khz_ap", "en32khz_cp", "en32khz_bt"; 218 }; 219 220 regulators { 221 LDO1 { 222 regulator-name = "VDD_ALIVE"; 223 regulator-min-microvolt = <1100000>; 224 regulator-max-microvolt = <1100000>; 225 regulator-always-on; 226 regulator-boot-on; 227 op_mode = <1>; /* Normal Mode */ 228 }; 229 230 // ... 231 232 BUCK1 { 233 regulator-name = "VDD_MIF"; 234 regulator-min-microvolt = <950000>; 235 regulator-max-microvolt = <1100000>; 236 regulator-always-on; 237 regulator-boot-on; 238 op_mode = <1>; /* Normal Mode */ 239 }; 240 241 BUCK2 { 242 regulator-name = "VDD_ARM"; 243 regulator-min-microvolt = <900000>; 244 regulator-max-microvolt = <1350000>; 245 regulator-always-on; 246 regulator-boot-on; 247 op_mode = <1>; /* Normal Mode */ 248 }; 249 250 // ... 251 }; 252 }; 253 }; 254 255 - | 256 #include <dt-bindings/gpio/gpio.h> 257 #include <dt-bindings/interrupt-controller/irq.h> 258 259 i2c { 260 #address-cells = <1>; 261 #size-cells = <0>; 262 263 pmic@66 { 264 compatible = "samsung,s5m8767-pmic"; 265 reg = <0x66>; 266 267 interrupt-parent = <&gpx3>; 268 interrupts = <2 IRQ_TYPE_LEVEL_LOW>; 269 pinctrl-names = "default"; 270 pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>; 271 wakeup-source; 272 273 s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, 274 <&gpx2 4 GPIO_ACTIVE_LOW>, 275 <&gpx2 5 GPIO_ACTIVE_LOW>; 276 277 clocks { 278 compatible = "samsung,s5m8767-clk"; 279 #clock-cells = <1>; 280 clock-output-names = "en32khz_ap", "en32khz_cp", "en32khz_bt"; 281 }; 282 283 regulators { 284 LDO1 { 285 regulator-name = "VDD_ALIVE"; 286 regulator-min-microvolt = <1100000>; 287 regulator-max-microvolt = <1100000>; 288 regulator-always-on; 289 regulator-boot-on; 290 op_mode = <1>; /* Normal Mode */ 291 }; 292 293 // ... 294 }; 295 }; 296 }; 297