1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/iio/dac/adi,ad5421.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Analog Devices AD5421 DAC 8 9maintainers: 10 - Lars-Peter Clausen <lars@metafoo.de> 11 - Jonathan Cameron <jic23@kernel.org> 12 13description: | 14 AD5421 is designed for us in loop-powered, 4 mA to 20 mA smart transmitter 15 applications. It provides a 16-bit DAC, current amplifier, voltage regulator 16 to drive the loop and a voltage reference. 17 18properties: 19 compatible: 20 const: adi,ad5421 21 22 reg: 23 maxItems: 1 24 25 interrupts: 26 maxItems: 1 27 description: Fault signal. 28 29 spi-max-frequency: true 30 31required: 32 - compatible 33 - reg 34 35additionalProperties: false 36 37examples: 38 - | 39 #include <dt-bindings/interrupt-controller/irq.h> 40 spi { 41 #address-cells = <1>; 42 #size-cells = <0>; 43 44 dac@0 { 45 compatible = "adi,ad5421"; 46 reg = <0>; 47 spi-max-frequency = <30000000>; 48 interrupts = <55 IRQ_TYPE_LEVEL_HIGH>; 49 }; 50 }; 51... 52