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+# 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 = <&reg_iso_5v_a>;
+ clocks = <&clk_ads1298>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <78 IRQ_TYPE_EDGE_FALLING>;
+ spi-max-frequency = <20000000>;
+ spi-cpha;
+ };
+ };
+...