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From:   Tomasz Duszynski <tomasz.duszynski@octakon.com>
To:     <linux-iio@vger.kernel.org>
CC:     <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <robh+dt@kernel.org>, <jic23@kernel.org>,
        <andy.shevchenko@gmail.com>, <pmeerw@pmeerw.net>,
        Tomasz Duszynski <tomasz.duszynski@octakon.com>
Subject: [PATCH v2 4/4] dt-bindings: iio: scd30: add device binding file
Date:   Sat, 30 May 2020 23:36:30 +0200
Message-ID: <20200530213630.87159-5-tomasz.duszynski@octakon.com>
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Add SCD30 sensor binding file.

Signed-off-by: Tomasz Duszynski <tomasz.duszynski@octakon.com>
---
 .../iio/chemical/sensirion,scd30.yaml         | 68 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml

diff --git a/Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml
new file mode 100644
index 000000000000..34cc3925d64d
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/chemical/sensirion,scd30.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sensirion SCD30 carbon dioxide sensor
+
+maintainers:
+  - Tomasz Duszynski <tomasz.duszynski@octakon.com>
+
+description: |
+  Air quality sensor capable of measuring co2 concentration, temperature
+  and relative humidity.
+
+properties:
+  compatible:
+    enum:
+      - sensirion,scd30
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply: true
+
+  sensirion,sel-gpios:
+    description: GPIO connected to the SEL line
+    maxItems: 1
+
+  sensirion,pwm-gpios:
+    description: GPIO connected to the PWM line
+    maxItems: 1
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    # include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      scd30@61 {
+        compatible = "sensirion,scd30";
+        reg = <0x61>;
+        vdd-supply = <&vdd>;
+        interrupt-parent = <&gpio0>;
+        interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+      };
+    };
+  - |
+    # include <dt-bindings/interrupt-controller/irq.h>
+    serial {
+      scd30 {
+        compatible = "sensirion,scd30";
+        vdd-supply = <&vdd>;
+        interrupt-parent = <&gpio0>;
+        interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+      };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 5db4b446c8ba..0ab9cf39e051 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15140,6 +15140,7 @@ F:	include/uapi/linux/phantom.h
 SENSIRION SCD30 CARBON DIOXIDE SENSOR DRIVER
 M:	Tomasz Duszynski <tomasz.duszynski@octakon.com>
 S:	Maintained
+F:	Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml
 F:	drivers/iio/chemical/scd30.h
 F:	drivers/iio/chemical/scd30_core.c
 F:	drivers/iio/chemical/scd30_i2c.c
-- 
2.26.2