1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/cirrus,cs35l45.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Cirrus Logic CS35L45 Speaker Amplifier 8 9maintainers: 10 - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com> 11 - Richard Fitzgerald <rf@opensource.cirrus.com> 12 13description: | 14 CS35L45 is a Boosted Mono Class D Amplifier with DSP 15 Speaker Protection and Adaptive Battery Management. 16 17properties: 18 compatible: 19 enum: 20 - cirrus,cs35l45 21 22 reg: 23 maxItems: 1 24 25 '#sound-dai-cells': 26 const: 1 27 28 reset-gpios: 29 maxItems: 1 30 31 vdd-a-supply: 32 description: voltage regulator phandle for the VDD_A supply 33 34 vdd-batt-supply: 35 description: voltage regulator phandle for the VDD_BATT supply 36 37 spi-max-frequency: 38 maximum: 5000000 39 40 cirrus,asp-sdout-hiz-ctrl: 41 description: 42 Audio serial port SDOUT Hi-Z control. Sets the Hi-Z 43 configuration for SDOUT pin of amplifier. Logical OR of 44 CS35L45_ASP_TX_HIZ_xxx values. 45 $ref: "/schemas/types.yaml#/definitions/uint32" 46 minimum: 0 47 maximum: 3 48 default: 2 49 50required: 51 - compatible 52 - reg 53 - "#sound-dai-cells" 54 55additionalProperties: false 56 57examples: 58 - | 59 #include <dt-bindings/sound/cs35l45.h> 60 spi { 61 #address-cells = <1>; 62 #size-cells = <0>; 63 64 cs35l45: cs35l45@2 { 65 #sound-dai-cells = <1>; 66 compatible = "cirrus,cs35l45"; 67 reg = <2>; 68 spi-max-frequency = <5000000>; 69 vdd-a-supply = <&dummy_vreg>; 70 vdd-batt-supply = <&dummy_vreg>; 71 reset-gpios = <&gpio 110 0>; 72 cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED | 73 CS35L45_ASP_TX_HIZ_DISABLED)>; 74 }; 75 }; 76