| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/iio/adc/ti,ads1298.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Texas Instruments' ads1298 medical ADC chips |
| |
| description: | |
| Datasheet at: https://www.ti.com/product/ADS1298 |
| Bindings for this chip aren't complete. |
| |
| maintainers: |
| - Mike Looijmans <mike.looijmans@topic.nl> |
| |
| properties: |
| compatible: |
| enum: |
| - ti,ads1298 |
| |
| reg: |
| maxItems: 1 |
| |
| spi-cpha: true |
| |
| reset-gpios: |
| maxItems: 1 |
| |
| avdd-supply: |
| description: |
| Analog power supply, voltage between AVDD and AVSS. When providing a |
| symmetric +/- 2.5V, the regulator should report 5V. |
| |
| vref-supply: |
| description: |
| Optional reference voltage. If omitted, internal reference is used, |
| which is 2.4V when analog supply is below 4.4V, 4V otherwise. |
| |
| clocks: |
| description: Optional 2.048 MHz external source clock on CLK pin |
| maxItems: 1 |
| |
| interrupts: |
| description: Interrupt on DRDY pin, triggers on falling edge |
| maxItems: 1 |
| |
| label: true |
| |
| required: |
| - compatible |
| - reg |
| - avdd-supply |
| - interrupts |
| |
| allOf: |
| - $ref: /schemas/spi/spi-peripheral-props.yaml# |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| spi { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| adc@1 { |
| reg = <1>; |
| compatible = "ti,ads1298"; |
| label = "ads1298-1-ecg"; |
| avdd-supply = <®_iso_5v_a>; |
| clocks = <&clk_ads1298>; |
| interrupt-parent = <&gpio0>; |
| interrupts = <78 IRQ_TYPE_EDGE_FALLING>; |
| spi-max-frequency = <20000000>; |
| spi-cpha; |
| }; |
| }; |
| ... |
