1c9ccf3a3SEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2c9ccf3a3SEmmanuel Vadot%YAML 1.2 3c9ccf3a3SEmmanuel Vadot--- 4c9ccf3a3SEmmanuel Vadot$id: http://devicetree.org/schemas/regulator/richtek,rt5190a-regulator.yaml# 5c9ccf3a3SEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6c9ccf3a3SEmmanuel Vadot 7c9ccf3a3SEmmanuel Vadottitle: Richtek RT5190A PMIC Regulator 8c9ccf3a3SEmmanuel Vadot 9c9ccf3a3SEmmanuel Vadotmaintainers: 10c9ccf3a3SEmmanuel Vadot - ChiYuan Huang <cy_huang@richtek.com> 11c9ccf3a3SEmmanuel Vadot 12c9ccf3a3SEmmanuel Vadotdescription: | 13c9ccf3a3SEmmanuel Vadot The RT5190A integrates 1 channel buck controller, 3 channels high efficiency 14*aa1a8ff2SEmmanuel Vadot synchronous buck converters, 1 LDO, I2C control interface and peripheral 15c9ccf3a3SEmmanuel Vadot logical control. 16c9ccf3a3SEmmanuel Vadot 17c9ccf3a3SEmmanuel Vadot It also supports mute AC OFF depop sound and quick setting storage while 18c9ccf3a3SEmmanuel Vadot input power is removed. 19c9ccf3a3SEmmanuel Vadot 20c9ccf3a3SEmmanuel Vadotproperties: 21c9ccf3a3SEmmanuel Vadot compatible: 22c9ccf3a3SEmmanuel Vadot enum: 23c9ccf3a3SEmmanuel Vadot - richtek,rt5190a 24c9ccf3a3SEmmanuel Vadot 25c9ccf3a3SEmmanuel Vadot reg: 26c9ccf3a3SEmmanuel Vadot maxItems: 1 27c9ccf3a3SEmmanuel Vadot 28c9ccf3a3SEmmanuel Vadot interrupts: 29c9ccf3a3SEmmanuel Vadot maxItems: 1 30c9ccf3a3SEmmanuel Vadot 31c9ccf3a3SEmmanuel Vadot vin2-supply: 32c9ccf3a3SEmmanuel Vadot description: phandle to buck2 input voltage. 33c9ccf3a3SEmmanuel Vadot 34c9ccf3a3SEmmanuel Vadot vin3-supply: 35c9ccf3a3SEmmanuel Vadot description: phandle to buck3 input voltage. 36c9ccf3a3SEmmanuel Vadot 37c9ccf3a3SEmmanuel Vadot vin4-supply: 38c9ccf3a3SEmmanuel Vadot description: phandle to buck4 input voltage. 39c9ccf3a3SEmmanuel Vadot 40c9ccf3a3SEmmanuel Vadot vinldo-supply: 41c9ccf3a3SEmmanuel Vadot description: phandle to ldo input voltage 42c9ccf3a3SEmmanuel Vadot 43c9ccf3a3SEmmanuel Vadot richtek,mute-enable: 44c9ccf3a3SEmmanuel Vadot description: | 45c9ccf3a3SEmmanuel Vadot The mute function uses 'mutein', 'muteout', and 'vdet' pins as the control 46c9ccf3a3SEmmanuel Vadot signal. When enabled, The normal behavior is to bypass the 'mutein' signal 47c9ccf3a3SEmmanuel Vadot 'muteout'. But if the power source removal is detected from 'vdet', 48c9ccf3a3SEmmanuel Vadot whatever the 'mutein' signal is, it will pull down the 'muteout' to force 49c9ccf3a3SEmmanuel Vadot speakers mute. this function is commonly used to prevent the speaker pop 50c9ccf3a3SEmmanuel Vadot noise during AC power turned off in the modern TV system design. 51c9ccf3a3SEmmanuel Vadot type: boolean 52c9ccf3a3SEmmanuel Vadot 53c9ccf3a3SEmmanuel Vadot regulators: 54c9ccf3a3SEmmanuel Vadot type: object 55c9ccf3a3SEmmanuel Vadot 56c9ccf3a3SEmmanuel Vadot patternProperties: 57c9ccf3a3SEmmanuel Vadot "^buck[1-4]$|^ldo$": 58c9ccf3a3SEmmanuel Vadot type: object 59c9ccf3a3SEmmanuel Vadot $ref: regulator.yaml# 60c9ccf3a3SEmmanuel Vadot description: | 61c9ccf3a3SEmmanuel Vadot regulator description for buck1 to buck4, and ldo. 62c9ccf3a3SEmmanuel Vadot 63c9ccf3a3SEmmanuel Vadot properties: 64c9ccf3a3SEmmanuel Vadot regulator-allowed-modes: 65c9ccf3a3SEmmanuel Vadot description: | 66c9ccf3a3SEmmanuel Vadot buck operating mode, only buck1/4 support mode operating. 67c9ccf3a3SEmmanuel Vadot 0: auto mode 68c9ccf3a3SEmmanuel Vadot 1: force pwm mode 69c9ccf3a3SEmmanuel Vadot items: 70c9ccf3a3SEmmanuel Vadot enum: [0, 1] 71c9ccf3a3SEmmanuel Vadot 72c9ccf3a3SEmmanuel Vadot richtek,latchup-enable: 73c9ccf3a3SEmmanuel Vadot type: boolean 74c9ccf3a3SEmmanuel Vadot description: | 75c9ccf3a3SEmmanuel Vadot If specified, undervolt protection mode changes from the default 76c9ccf3a3SEmmanuel Vadot hiccup to latchup. 77c9ccf3a3SEmmanuel Vadot 78c9ccf3a3SEmmanuel Vadot unevaluatedProperties: false 79c9ccf3a3SEmmanuel Vadot 80c9ccf3a3SEmmanuel Vadot additionalProperties: false 81c9ccf3a3SEmmanuel Vadot 82c9ccf3a3SEmmanuel Vadotrequired: 83c9ccf3a3SEmmanuel Vadot - compatible 84c9ccf3a3SEmmanuel Vadot - reg 85c9ccf3a3SEmmanuel Vadot - regulators 86c9ccf3a3SEmmanuel Vadot 87c9ccf3a3SEmmanuel VadotadditionalProperties: false 88c9ccf3a3SEmmanuel Vadot 89c9ccf3a3SEmmanuel Vadotexamples: 90c9ccf3a3SEmmanuel Vadot - | 91c9ccf3a3SEmmanuel Vadot #include <dt-bindings/interrupt-controller/irq.h> 92c9ccf3a3SEmmanuel Vadot #include <dt-bindings/regulator/richtek,rt5190a-regulator.h> 93c9ccf3a3SEmmanuel Vadot 94c9ccf3a3SEmmanuel Vadot i2c { 95c9ccf3a3SEmmanuel Vadot #address-cells = <1>; 96c9ccf3a3SEmmanuel Vadot #size-cells = <0>; 97c9ccf3a3SEmmanuel Vadot 98c9ccf3a3SEmmanuel Vadot pmic@64 { 99c9ccf3a3SEmmanuel Vadot compatible = "richtek,rt5190a"; 100c9ccf3a3SEmmanuel Vadot reg = <0x64>; 101c9ccf3a3SEmmanuel Vadot interrupts-extended = <&gpio26 0 IRQ_TYPE_LEVEL_LOW>; 102c9ccf3a3SEmmanuel Vadot vin2-supply = <&rt5190_buck1>; 103c9ccf3a3SEmmanuel Vadot vin3-supply = <&rt5190_buck1>; 104c9ccf3a3SEmmanuel Vadot vin4-supply = <&rt5190_buck1>; 105c9ccf3a3SEmmanuel Vadot 106c9ccf3a3SEmmanuel Vadot regulators { 107c9ccf3a3SEmmanuel Vadot rt5190_buck1: buck1 { 108c9ccf3a3SEmmanuel Vadot regulator-name = "rt5190a-buck1"; 109c9ccf3a3SEmmanuel Vadot regulator-min-microvolt = <5090000>; 110c9ccf3a3SEmmanuel Vadot regulator-max-microvolt = <5090000>; 111c9ccf3a3SEmmanuel Vadot regulator-allowed-modes = <RT5190A_OPMODE_AUTO RT5190A_OPMODE_FPWM>; 112c9ccf3a3SEmmanuel Vadot regulator-boot-on; 113c9ccf3a3SEmmanuel Vadot }; 114c9ccf3a3SEmmanuel Vadot buck2 { 115c9ccf3a3SEmmanuel Vadot regulator-name = "rt5190a-buck2"; 116c9ccf3a3SEmmanuel Vadot regulator-min-microvolt = <600000>; 117c9ccf3a3SEmmanuel Vadot regulator-max-microvolt = <1400000>; 118c9ccf3a3SEmmanuel Vadot regulator-boot-on; 119c9ccf3a3SEmmanuel Vadot }; 120c9ccf3a3SEmmanuel Vadot buck3 { 121c9ccf3a3SEmmanuel Vadot regulator-name = "rt5190a-buck3"; 122c9ccf3a3SEmmanuel Vadot regulator-min-microvolt = <600000>; 123c9ccf3a3SEmmanuel Vadot regulator-max-microvolt = <1400000>; 124c9ccf3a3SEmmanuel Vadot regulator-boot-on; 125c9ccf3a3SEmmanuel Vadot }; 126c9ccf3a3SEmmanuel Vadot buck4 { 127c9ccf3a3SEmmanuel Vadot regulator-name = "rt5190a-buck4"; 128c9ccf3a3SEmmanuel Vadot regulator-min-microvolt = <850000>; 129c9ccf3a3SEmmanuel Vadot regulator-max-microvolt = <850000>; 130c9ccf3a3SEmmanuel Vadot regulator-allowed-modes = <RT5190A_OPMODE_AUTO RT5190A_OPMODE_FPWM>; 131c9ccf3a3SEmmanuel Vadot regulator-boot-on; 132c9ccf3a3SEmmanuel Vadot }; 133c9ccf3a3SEmmanuel Vadot ldo { 134c9ccf3a3SEmmanuel Vadot regulator-name = "rt5190a-ldo"; 135c9ccf3a3SEmmanuel Vadot regulator-min-microvolt = <1200000>; 136c9ccf3a3SEmmanuel Vadot regulator-max-microvolt = <1200000>; 137c9ccf3a3SEmmanuel Vadot regulator-boot-on; 138c9ccf3a3SEmmanuel Vadot }; 139c9ccf3a3SEmmanuel Vadot }; 140c9ccf3a3SEmmanuel Vadot }; 141c9ccf3a3SEmmanuel Vadot }; 142