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authorJavier Carrasco <javier.carrasco.cruz@gmail.com>2024-01-30 22:06:47 +0100
committerGuenter Roeck <linux@roeck-us.net>2024-02-25 12:37:37 -0800
commit8f89ac2b9bdec95e4a05612a198b4255dce2ca8a (patch)
treea7f8b71b8271203e868a7612c15d29b6bcb180a8
parentb86d76015376a89ff99acfcd783e9ae4f4b9360d (diff)
dt-bindings: hwmon: Add Amphenol ChipCap 2
Add device tree bindings and an example for the ChipCap 2 humidity and temperature sensor. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com> Link: https://lore.kernel.org/r/20240130-topic-chipcap2-v6-4-260bea05cf9b@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-rw-r--r--Documentation/devicetree/bindings/hwmon/amphenol,chipcap2.yaml77
1 files changed, 77 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/amphenol,chipcap2.yaml b/Documentation/devicetree/bindings/hwmon/amphenol,chipcap2.yaml
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+++ b/Documentation/devicetree/bindings/hwmon/amphenol,chipcap2.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/amphenol,chipcap2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ChipCap 2 humidity and temperature iio sensor
+
+maintainers:
+ - Javier Carrasco <javier.carrasco.cruz@gmail.com>
+
+description: |
+ Relative humidity and temperature sensor on I2C bus.
+
+ Datasheets:
+ https://www.amphenol-sensors.com/en/telaire/humidity/527-humidity-sensors/3095-chipcap-2
+
+properties:
+ compatible:
+ oneOf:
+ - const: amphenol,cc2d23
+ - items:
+ - enum:
+ - amphenol,cc2d23s
+ - amphenol,cc2d25
+ - amphenol,cc2d25s
+ - amphenol,cc2d33
+ - amphenol,cc2d33s
+ - amphenol,cc2d35
+ - amphenol,cc2d35s
+ - const: amphenol,cc2d23
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: measurement ready indicator
+ - description: low humidity alarm
+ - description: high humidity alarm
+
+ interrupt-names:
+ items:
+ - const: ready
+ - const: low
+ - const: high
+
+ vdd-supply:
+ description:
+ Dedicated, controllable supply-regulator to reset the device and
+ enter in command mode.
+
+required:
+ - compatible
+ - reg
+ - vdd-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ humidity@28 {
+ compatible = "amphenol,cc2d23s", "amphenol,cc2d23";
+ reg = <0x28>;
+ interrupt-parent = <&gpio>;
+ interrupts = <4 IRQ_TYPE_EDGE_RISING>,
+ <5 IRQ_TYPE_EDGE_RISING>,
+ <6 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "ready", "low", "high";
+ vdd-supply = <&reg_vdd>;
+ };
+ };