1 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/health/ti,afe4403.yaml b/Documentation/devicetree/bindings/iio/health/ti,afe4403.yaml
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+++ b/Documentation/devicetree/bindings/iio/health/ti,afe4403.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/health/ti,afe4403.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments AFE4403 Heart rate and Pulse Oximeter
+
+maintainers:
+  - Jonathan Cameron <jic23@kernel.org>
+
+properties:
+  compatible:
+    const: ti,afe4403
+
+  reg:
+    maxItems: 1
+
+  tx-supply:
+    description: Supply to transmitting LEDs.
+
+  interrupts:
+    maxItems: 1
+    description: Connected to ADC_RDY pin.
+
+  reset-gpios: true
+
+  spi-max-frequency: true
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        heart_mon@0 {
+            compatible = "ti,afe4403";
+            reg = <0>;
+            spi-max-frequency = <10000000>;
+            tx-supply = <&vbat>;
+            interrupt-parent = <&gpio1>;
+            interrupts = <28 IRQ_TYPE_EDGE_RISING>;
+            reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
+        };
+    };
+...