linux-kernel - [PATCH V5 1/2] dt-bindings: iio: aw9610x: Add bindings for aw9610x sensor

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Message-ID: <20240726061312.1371450-2-wangshuaijie@awinic.com>
Date: Fri, 26 Jul 2024 06:13:11 +0000
From: wangshuaijie@...nic.com
To: jic23@...nel.org,
	lars@...afoo.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	waqar.hameed@...s.com,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: wangshuaijie@...nic.com,
	liweilei@...nic.com,
	kangjiajun@...nic.com
Subject: [PATCH V5 1/2] dt-bindings: iio: aw9610x: Add bindings for aw9610x sensor

From: shuaijie wang <wangshuaijie@...nic.com>

Add device tree bindings for aw9610x proximity sensor.

Signed-off-by: shuaijie wang <wangshuaijie@...nic.com>
---
 .../iio/proximity/awinic,aw9610x.yaml         | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/proximity/awinic,aw9610x.yaml

diff --git a/Documentation/devicetree/bindings/iio/proximity/awinic,aw9610x.yaml b/Documentation/devicetree/bindings/iio/proximity/awinic,aw9610x.yaml
new file mode 100644
index 000000000000..631b1fe5a900
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/awinic,aw9610x.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/awinic,aw9610x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Awinic's AW9610X capacitive proximity sensor
+
+maintainers:
+  - Wang Shuaijie <wangshuaijie@...nic.com>
+
+description: |
+  Awinic's AW9610X proximity sensor.
+  The specific absorption rate (SAR) is a metric that measures
+  the degree of absorption of electromagnetic radiation emitted by
+  wireless devices, such as mobile phones and tablets, by human tissue.
+  In mobile phone applications, the proximity sensor is primarily
+  used to detect the proximity of the human body to the phone. When the
+  phone approaches the human body, it will actively reduce the transmit
+  power of the antenna to keep the SAR within a safe range. Therefore,
+  we also refer to the proximity sensor as a SAR sensor.
+
+properties:
+  compatible:
+    enum:
+      - awinic,aw96103
+      - awinic,aw96105
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      Generated by the device to announce that a close/far
+      proximity event has happened.
+    maxItems: 1
+
+  vcc-supply:
+    description:
+      Optional regulator for chip, 1.7V-3.6V.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        proximity@12 {
+            compatible = "awinic,aw96103";
+            reg = <0x12>;
+            interrupt-parent = <&gpio>;
+            interrupts = <23 IRQ_TYPE_EDGE_FALLING>;
+        };
+    };
-- 
2.45.1