1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: PCA9570 I2C GPO expander 8 9maintainers: 10 - Sungbo Eo <mans0n@gorani.run> 11 12properties: 13 compatible: 14 enum: 15 - nxp,pca9570 16 - nxp,pca9571 17 18 reg: 19 maxItems: 1 20 21 gpio-controller: true 22 23 '#gpio-cells': 24 const: 2 25 26required: 27 - compatible 28 - reg 29 - gpio-controller 30 - "#gpio-cells" 31 32additionalProperties: false 33 34examples: 35 - | 36 i2c0 { 37 #address-cells = <1>; 38 #size-cells = <0>; 39 40 gpio@24 { 41 compatible = "nxp,pca9570"; 42 reg = <0x24>; 43 gpio-controller; 44 #gpio-cells = <2>; 45 }; 46 }; 47 48... 49