maxim,max77686.yaml (3766B)
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/mfd/maxim,max77686.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Maxim MAX77686 Power Management IC 8 9maintainers: 10 - Chanwoo Choi <cw00.choi@samsung.com> 11 - Krzysztof Kozlowski <krzk@kernel.org> 12 13description: | 14 This is a part of device tree bindings for Maxim MAX77686 Power Management 15 Integrated Circuit (PMIC). 16 17 The Maxim MAX77686 is a Power Management IC which includes voltage and 18 current regulators, RTC and clock outputs. 19 20 The MAX77686 provides three 32.768khz clock outputs that can be controlled 21 (gated/ungated) over I2C. The clock IDs are defined as preprocessor macros 22 in dt-bindings/clock/maxim,max77686.h. 23 24properties: 25 compatible: 26 const: maxim,max77686 27 28 '#clock-cells': 29 const: 1 30 31 interrupts: 32 maxItems: 1 33 34 reg: 35 maxItems: 1 36 37 voltage-regulators: 38 $ref: ../regulator/maxim,max77686.yaml 39 description: 40 List of child nodes that specify the regulators. 41 42 wakeup-source: true 43 44required: 45 - compatible 46 - '#clock-cells' 47 - reg 48 49additionalProperties: false 50 51examples: 52 - | 53 #include <dt-bindings/gpio/gpio.h> 54 #include <dt-bindings/interrupt-controller/irq.h> 55 56 i2c { 57 #address-cells = <1>; 58 #size-cells = <0>; 59 60 max77686: pmic@9 { 61 compatible = "maxim,max77686"; 62 reg = <0x09>; 63 64 interrupt-parent = <&gpx0>; 65 interrupts = <7 IRQ_TYPE_LEVEL_LOW>; 66 pinctrl-0 = <&max77686_irq>; 67 pinctrl-names = "default"; 68 wakeup-source; 69 #clock-cells = <1>; 70 71 voltage-regulators { 72 LDO1 { 73 regulator-name = "VALIVE_1.0V_AP"; 74 regulator-min-microvolt = <1000000>; 75 regulator-max-microvolt = <1000000>; 76 regulator-always-on; 77 }; 78 79 LDO2 { 80 regulator-name = "VM1M2_1.2V_AP"; 81 regulator-min-microvolt = <1200000>; 82 regulator-max-microvolt = <1200000>; 83 regulator-always-on; 84 regulator-state-mem { 85 regulator-on-in-suspend; 86 }; 87 }; 88 89 // ... 90 91 LDO22 { 92 regulator-name = "VMEM_VDD_2.8V"; 93 regulator-min-microvolt = <2800000>; 94 regulator-max-microvolt = <2800000>; 95 maxim,ena-gpios = <&gpk0 2 GPIO_ACTIVE_HIGH>; 96 }; 97 98 // ... 99 100 BUCK1 { 101 regulator-name = "VDD_MIF"; 102 regulator-min-microvolt = <850000>; 103 regulator-max-microvolt = <1100000>; 104 regulator-always-on; 105 regulator-boot-on; 106 regulator-state-mem { 107 regulator-off-in-suspend; 108 }; 109 }; 110 111 BUCK2 { 112 regulator-name = "VDD_ARM"; 113 regulator-min-microvolt = <850000>; 114 regulator-max-microvolt = <1500000>; 115 regulator-always-on; 116 regulator-boot-on; 117 regulator-state-mem { 118 regulator-on-in-suspend; 119 }; 120 }; 121 122 // ... 123 124 BUCK9 { 125 regulator-name = "CAM_ISP_CORE_1.2V"; 126 regulator-min-microvolt = <1000000>; 127 regulator-max-microvolt = <1200000>; 128 maxim,ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>; 129 }; 130 }; 131 }; 132 };