xref: /linux/Documentation/devicetree/bindings/iio/health/ti,afe4403.yaml (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04) 
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