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 17 reg: 18 maxItems: 1 19 20 gpio-controller: true 21 22 '#gpio-cells': 23 const: 2 24 25required: 26 - compatible 27 - reg 28 - gpio-controller 29 - "#gpio-cells" 30 31additionalProperties: false 32 33examples: 34 - | 35 i2c0 { 36 #address-cells = <1>; 37 #size-cells = <0>; 38 39 gpio@24 { 40 compatible = "nxp,pca9570"; 41 reg = <0x24>; 42 gpio-controller; 43 #gpio-cells = <2>; 44 }; 45 }; 46 47... 48