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Date:   Mon, 13 Apr 2020 00:06:56 +0530
From:   mani@...nel.org
To:     jic23@...nel.org, robh+dt@...nel.org, narcisaanamaria12@...il.com
Cc:     knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Manivannan Sadhasivam <mani@...nel.org>
Subject: [PATCH 1/3] dt-bindings: iio: chemical: Add binding for CCS811 VOC sensor

From: Manivannan Sadhasivam <mani@...nel.org>

This commit adds devicetree binding for AMS CCS811 VOC sensor.

Signed-off-by: Manivannan Sadhasivam <mani@...nel.org>
---
 .../bindings/iio/chemical/ams,ccs811.yaml     | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/chemical/ams,ccs811.yaml

diff --git a/Documentation/devicetree/bindings/iio/chemical/ams,ccs811.yaml b/Documentation/devicetree/bindings/iio/chemical/ams,ccs811.yaml
new file mode 100644
index 000000000000..564208af7b2b
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/chemical/ams,ccs811.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/chemical/ams,ccs811.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AMS CCS811 VOC Sensor
+
+maintainers:
+  - Narcisa Vasile <narcisaanamaria12@...il.com>
+
+description: |
+  Ultra-Low Power Digital Gas Sensor for Monitoring Indoor Air Quality.
+
+properties:
+  compatible:
+    enum:
+      - ams,ccs811
+  reg:
+    maxItems: 1
+
+  reset-gpios:
+    description: GPIO connected to the nRESET line. This is an active low
+                 input to CCS811.
+    maxItems: 1
+
+  wakeup-gpios:
+    description: GPIO connected to the nWAKE line. This is an active low
+                 input to CCS811.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ccs811@5b {
+        compatible = "ams,ccs811";
+        reg = <0x5b>;
+        reset-gpios = <&gpioa 11 GPIO_ACTIVE_LOW>;
+        wakeup-gpios = <&gpioa 12 GPIO_ACTIVE_LOW>;
+      };
+    };
+
+...
-- 
2.17.1

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