1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/iio/health/ti,afe4403.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Texas Instruments AFE4403 Heart rate and Pulse Oximeter 8 9maintainers: 10 - Jonathan Cameron <jic23@kernel.org> 11 12properties: 13 compatible: 14 const: ti,afe4403 15 16 reg: 17 maxItems: 1 18 19 tx-supply: 20 description: Supply to transmitting LEDs. 21 22 interrupts: 23 maxItems: 1 24 description: Connected to ADC_RDY pin. 25 26 reset-gpios: true 27 28 spi-max-frequency: true 29 30additionalProperties: false 31 32required: 33 - compatible 34 - reg 35 36examples: 37 - | 38 #include <dt-bindings/gpio/gpio.h> 39 #include <dt-bindings/interrupt-controller/irq.h> 40 spi { 41 #address-cells = <1>; 42 #size-cells = <0>; 43 44 heart_mon@0 { 45 compatible = "ti,afe4403"; 46 reg = <0>; 47 spi-max-frequency = <10000000>; 48 tx-supply = <&vbat>; 49 interrupt-parent = <&gpio1>; 50 interrupts = <28 IRQ_TYPE_EDGE_RISING>; 51 reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>; 52 }; 53 }; 54... 55