18c2ecf20Sopenharmony_ci* Analog Devices AD5272 digital potentiometer 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciThe node for this device must be a child node of a I2C controller, hence 48c2ecf20Sopenharmony_ciall mandatory properties for your controller must be specified. See directory: 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci Documentation/devicetree/bindings/i2c 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_cifor more details. 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciRequired properties: 118c2ecf20Sopenharmony_ci - compatible: Must be one of the following, depending on the model: 128c2ecf20Sopenharmony_ci adi,ad5272-020 138c2ecf20Sopenharmony_ci adi,ad5272-050 148c2ecf20Sopenharmony_ci adi,ad5272-100 158c2ecf20Sopenharmony_ci adi,ad5274-020 168c2ecf20Sopenharmony_ci adi,ad5274-100 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciOptional properties: 198c2ecf20Sopenharmony_ci - reset-gpios: GPIO specification for the RESET input. This is an 208c2ecf20Sopenharmony_ci active low signal to the AD5272. 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ciExample: 238c2ecf20Sopenharmony_ciad5272: potentiometer@2f { 248c2ecf20Sopenharmony_ci reg = <0x2F>; 258c2ecf20Sopenharmony_ci compatible = "adi,ad5272-020"; 268c2ecf20Sopenharmony_ci reset-gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>; 278c2ecf20Sopenharmony_ci}; 28