1# SPDX-License-Identifier: GPL-2.0-only 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/mfd/maxim,max77802.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Maxim MAX77802 Power Management IC 8 9maintainers: 10 - Javier Martinez Canillas <javier@dowhile0.org> 11 - Krzysztof Kozlowski <krzk@kernel.org> 12 13description: | 14 This is a part of device tree bindings for Maxim MAX77802 Power Management 15 Integrated Circuit (PMIC). 16 17 The Maxim MAX77802 is a Power Management IC which includes voltage and 18 current regulators (10 high efficiency Buck regulators and 32 Low-DropOut 19 (LDO)), RTC and clock outputs. 20 21 The MAX77802 provides two 32.768khz clock outputs that can be controlled 22 (gated/ungated) over I2C. The clock IDs are defined as preprocessor macros 23 in dt-bindings/clock/maxim,max77802.h. 24 25properties: 26 compatible: 27 const: maxim,max77802 28 29 '#clock-cells': 30 const: 1 31 32 interrupts: 33 maxItems: 1 34 35 reg: 36 maxItems: 1 37 38 regulators: 39 $ref: /schemas/regulator/maxim,max77802.yaml 40 description: 41 List of child nodes that specify the regulators. 42 43 inb1-supply: 44 description: Power supply for buck1 45 inb2-supply: 46 description: Power supply for buck2 47 inb3-supply: 48 description: Power supply for buck3 49 inb4-supply: 50 description: Power supply for buck4 51 inb5-supply: 52 description: Power supply for buck5 53 inb6-supply: 54 description: Power supply for buck6 55 inb7-supply: 56 description: Power supply for buck7 57 inb8-supply: 58 description: Power supply for buck8 59 inb9-supply: 60 description: Power supply for buck9 61 inb10-supply: 62 description: Power supply for buck10 63 64 inl1-supply: 65 description: Power supply for LDO8, LDO15 66 inl2-supply: 67 description: Power supply for LDO17, LDO27, LDO30, LDO35 68 inl3-supply: 69 description: Power supply for LDO3, LDO5, LDO7, LDO7 70 inl4-supply: 71 description: Power supply for LDO10, LDO11, LDO13, LDO14 72 inl5-supply: 73 description: Power supply for LDO9, LDO19 74 inl6-supply: 75 description: Power supply for LDO4, LDO21, LDO24, LDO33 76 inl7-supply: 77 description: Power supply for LDO18, LDO20, LDO28, LDO29 78 inl9-supply: 79 description: Power supply for LDO12, LDO23, LDO25, LDO26, LDO32, LDO34 80 inl10-supply: 81 description: Power supply for LDO1, LDO2 82 83 wakeup-source: true 84 85required: 86 - compatible 87 - '#clock-cells' 88 - reg 89 90additionalProperties: false 91 92examples: 93 - | 94 #include <dt-bindings/interrupt-controller/irq.h> 95 #include <dt-bindings/regulator/maxim,max77802.h> 96 97 i2c { 98 #address-cells = <1>; 99 #size-cells = <0>; 100 101 pmic@9 { 102 compatible = "maxim,max77802"; 103 interrupt-parent = <&gpx3>; 104 interrupts = <1 IRQ_TYPE_NONE>; 105 pinctrl-names = "default"; 106 pinctrl-0 = <&max77802_irq>, <&pmic_selb>, 107 <&pmic_dvs_1>, <&pmic_dvs_2>, <&pmic_dvs_3>; 108 wakeup-source; 109 reg = <0x9>; 110 #clock-cells = <1>; 111 112 inb1-supply = <&tps65090_dcdc2>; 113 inb2-supply = <&tps65090_dcdc1>; 114 inb3-supply = <&tps65090_dcdc2>; 115 inb4-supply = <&tps65090_dcdc2>; 116 inb5-supply = <&tps65090_dcdc1>; 117 inb6-supply = <&tps65090_dcdc2>; 118 inb7-supply = <&tps65090_dcdc1>; 119 inb8-supply = <&tps65090_dcdc1>; 120 inb9-supply = <&tps65090_dcdc1>; 121 inb10-supply = <&tps65090_dcdc1>; 122 123 inl1-supply = <&buck5_reg>; 124 inl2-supply = <&buck7_reg>; 125 inl3-supply = <&buck9_reg>; 126 inl4-supply = <&buck9_reg>; 127 inl5-supply = <&buck9_reg>; 128 inl6-supply = <&tps65090_dcdc2>; 129 inl7-supply = <&buck9_reg>; 130 inl9-supply = <&tps65090_dcdc2>; 131 inl10-supply = <&buck7_reg>; 132 133 regulators { 134 BUCK1 { 135 regulator-name = "vdd_mif"; 136 regulator-min-microvolt = <800000>; 137 regulator-max-microvolt = <1300000>; 138 regulator-always-on; 139 regulator-boot-on; 140 regulator-ramp-delay = <12500>; 141 regulator-state-mem { 142 regulator-off-in-suspend; 143 }; 144 }; 145 146 BUCK2 { 147 regulator-name = "vdd_arm"; 148 regulator-min-microvolt = <800000>; 149 regulator-max-microvolt = <1500000>; 150 regulator-always-on; 151 regulator-boot-on; 152 regulator-ramp-delay = <12500>; 153 regulator-coupled-with = <&buck3_reg>; 154 regulator-coupled-max-spread = <300000>; 155 regulator-state-mem { 156 regulator-off-in-suspend; 157 }; 158 }; 159 160 // ... 161 162 BUCK10 { 163 regulator-name = "vdd_1v8"; 164 regulator-min-microvolt = <1800000>; 165 regulator-max-microvolt = <1800000>; 166 regulator-always-on; 167 regulator-boot-on; 168 regulator-state-mem { 169 regulator-on-in-suspend; 170 }; 171 }; 172 173 LDO1 { 174 regulator-name = "vdd_1v0"; 175 regulator-min-microvolt = <1000000>; 176 regulator-max-microvolt = <1000000>; 177 regulator-always-on; 178 regulator-initial-mode = <MAX77802_OPMODE_NORMAL>; 179 regulator-state-mem { 180 regulator-on-in-suspend; 181 regulator-mode = <MAX77802_OPMODE_LP>; 182 }; 183 }; 184 185 // ... 186 187 LDO35 { 188 regulator-name = "ldo_35"; 189 regulator-min-microvolt = <1200000>; 190 regulator-max-microvolt = <1200000>; 191 }; 192 }; 193 }; 194 }; 195