1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/wlf,wm8940.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Wolfson WM8940 Codec Device Tree Bindings 8 9maintainers: 10 - patches@opensource.cirrus.com 11 12properties: 13 '#sound-dai-cells': 14 const: 0 15 16 compatible: 17 const: wlf,wm8940 18 19 reg: 20 maxItems: 1 21 22 spi-max-frequency: 23 maximum: 526000 24 25required: 26 - '#sound-dai-cells' 27 - compatible 28 - reg 29 30additionalProperties: false 31 32examples: 33 - | 34 spi { 35 #address-cells = <1>; 36 #size-cells = <0>; 37 38 codec@0 { 39 #sound-dai-cells = <0>; 40 compatible = "wlf,wm8940"; 41 reg = <0>; 42 spi-max-frequency = <500000>; 43 }; 44 }; 45 - | 46 i2c { 47 #address-cells = <1>; 48 #size-cells = <0>; 49 50 codec@1a { 51 #sound-dai-cells = <0>; 52 compatible = "wlf,wm8940"; 53 reg = <0x1a>; 54 }; 55 }; 56 57... 58