maxim,max8952.yaml (2597B)
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/regulator/maxim,max8952.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Maxim MAX8952 voltage regulator 8 9maintainers: 10 - Krzysztof Kozlowski <krzk@kernel.org> 11 12allOf: 13 - $ref: regulator.yaml# 14 15properties: 16 compatible: 17 const: maxim,max8952 18 19 max8952,default-mode: 20 $ref: /schemas/types.yaml#/definitions/uint32 21 enum: [0, 1, 2, 3] 22 description: | 23 index of default DVS voltage 24 25 max8952,dvs-mode-microvolt: 26 minItems: 4 27 maxItems: 4 28 items: 29 minimum: 770000 30 maximum: 1400000 31 description: | 32 Array of 4 integer values defining DVS voltages in microvolts. All values 33 must be from range <770000, 1400000>. 34 35 max8952,en-gpio: 36 maxItems: 1 37 description: | 38 GPIO used to control enable status of regulator 39 40 max8952,ramp-speed: 41 $ref: /schemas/types.yaml#/definitions/uint32 42 enum: [0, 1, 2, 3, 4, 5, 6, 7] 43 default: 0 44 description: | 45 Voltage ramp speed, values map to: 46 - 0: 32mV/us 47 - 1: 16mV/us 48 - 2: 8mV/us 49 - 3: 4mV/us 50 - 4: 2mV/us 51 - 5: 1mV/us 52 - 6: 0.5mV/us 53 - 7: 0.25mV/us 54 Defaults to 32mV/us if not specified. 55 56 max8952,sync-freq: 57 $ref: /schemas/types.yaml#/definitions/uint32 58 enum: [0, 1, 2] 59 default: 0 60 description: | 61 Sync frequency, values map to: 62 - 0: 26 MHz 63 - 1: 13 MHz 64 - 2: 19.2 MHz 65 Defaults to 26 MHz if not specified. 66 67 max8952,vid-gpios: 68 minItems: 2 69 maxItems: 2 70 description: | 71 Array of two GPIO pins used for DVS voltage selection 72 73 reg: 74 maxItems: 1 75 76required: 77 - compatible 78 - max8952,dvs-mode-microvolt 79 - reg 80 81unevaluatedProperties: false 82 83examples: 84 - | 85 #include <dt-bindings/gpio/gpio.h> 86 87 i2c { 88 #address-cells = <1>; 89 #size-cells = <0>; 90 91 pmic@60 { 92 compatible = "maxim,max8952"; 93 reg = <0x60>; 94 95 max8952,vid-gpios = <&gpx0 3 GPIO_ACTIVE_HIGH>, 96 <&gpx0 4 GPIO_ACTIVE_HIGH>; 97 max8952,default-mode = <0>; 98 max8952,dvs-mode-microvolt = <1250000>, <1200000>, 99 <1050000>, <950000>; 100 max8952,sync-freq = <0>; 101 max8952,ramp-speed = <0>; 102 103 regulator-name = "VARM_1.2V_C210"; 104 regulator-min-microvolt = <770000>; 105 regulator-max-microvolt = <1400000>; 106 regulator-always-on; 107 regulator-boot-on; 108 }; 109 };