1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/regulator/richtek,rt4801-regulator.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: Richtek RT4801 Display Bias regulators 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - ChiYuan Huang <cy_huang@richtek.com> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyundescription: | 13*4882a593Smuzhiyun Regulator nodes should be named to DSVP and DSVN. The 14*4882a593Smuzhiyun definition for each of these nodes is defined using the standard 15*4882a593Smuzhiyun binding for regulators at 16*4882a593Smuzhiyun Documentation/devicetree/bindings/regulator/regulator.txt. 17*4882a593Smuzhiyun Datasheet is available at 18*4882a593Smuzhiyun https://www.richtek.com/assets/product_file/RT4801H/DS4801H-00.pdf 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun#The valid names for RT4801 regulator nodes are: 21*4882a593Smuzhiyun#DSVP, DSVN 22*4882a593Smuzhiyun 23*4882a593Smuzhiyunproperties: 24*4882a593Smuzhiyun compatible: 25*4882a593Smuzhiyun enum: 26*4882a593Smuzhiyun - richtek,rt4801 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun reg: 29*4882a593Smuzhiyun maxItems: 1 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun enable-gpios: 32*4882a593Smuzhiyun description: GPIOs to use to enable DSVP/DSVN regulator. 33*4882a593Smuzhiyun The first one is ENP to enable DSVP, and second one is ENM to enable DSVN. 34*4882a593Smuzhiyun Number of GPIO in the array list could be 1 or 2. 35*4882a593Smuzhiyun If only one gpio is specified, only one gpio used to control ENP/ENM. 36*4882a593Smuzhiyun Else both are spefied, DSVP/DSVN could be controlled individually. 37*4882a593Smuzhiyun Othersie, this property not specified. treat both as always-on regulator. 38*4882a593Smuzhiyun minItems: 1 39*4882a593Smuzhiyun maxItems: 2 40*4882a593Smuzhiyun 41*4882a593SmuzhiyunpatternProperties: 42*4882a593Smuzhiyun "^DSV(P|N)$": 43*4882a593Smuzhiyun type: object 44*4882a593Smuzhiyun $ref: regulator.yaml# 45*4882a593Smuzhiyun description: 46*4882a593Smuzhiyun Properties for single display bias regulator. 47*4882a593Smuzhiyun 48*4882a593Smuzhiyunrequired: 49*4882a593Smuzhiyun - compatible 50*4882a593Smuzhiyun - reg 51*4882a593Smuzhiyun 52*4882a593SmuzhiyunadditionalProperties: false 53*4882a593Smuzhiyun 54*4882a593Smuzhiyunexamples: 55*4882a593Smuzhiyun - | 56*4882a593Smuzhiyun i2c { 57*4882a593Smuzhiyun #address-cells = <1>; 58*4882a593Smuzhiyun #size-cells = <0>; 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun rt4801@73 { 61*4882a593Smuzhiyun compatible = "richtek,rt4801"; 62*4882a593Smuzhiyun reg = <0x73>; 63*4882a593Smuzhiyun enable-gpios = <&gpio26 2 0>, <&gpio26 3 0>; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun dsvp: DSVP { 66*4882a593Smuzhiyun regulator-name = "rt4801,dsvp"; 67*4882a593Smuzhiyun regulator-min-microvolt = <4000000>; 68*4882a593Smuzhiyun regulator-max-microvolt = <6000000>; 69*4882a593Smuzhiyun regulator-boot-on; 70*4882a593Smuzhiyun }; 71*4882a593Smuzhiyun dsvn: DSVN { 72*4882a593Smuzhiyun regulator-name = "rt4801,dsvn"; 73*4882a593Smuzhiyun regulator-min-microvolt = <4000000>; 74*4882a593Smuzhiyun regulator-max-microvolt = <6000000>; 75*4882a593Smuzhiyun regulator-boot-on; 76*4882a593Smuzhiyun }; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun }; 79*4882a593Smuzhiyun }; 80