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From:   Ivan Mikhaylov <i.mikhaylov@yadro.com>
CC:     Ivan Mikhaylov <i.mikhaylov@yadro.com>,
        Jonathan Cameron <jic23@kernel.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        <linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <devicetree@vger.kernel.org>, Mark Rutland <mark.rutland@arm.com>,
        Rob Herring <robh+dt@kernel.org>,
        Andy Shevchenko <andy.shevchenko@gmail.com>
Subject: [PATCH v8 1/2] iio: proximity: provide device tree binding document
Date:   Mon, 6 Apr 2020 20:20:01 +0300
Message-ID: <20200406172002.18028-2-i.mikhaylov@yadro.com>
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Mostly standard i2c driver with some additional led-current option
for vcnl3020.

Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com>
---
 .../bindings/iio/proximity/vcnl3020.yaml      | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml

diff --git a/Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml b/Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml
new file mode 100644
index 000000000000..29ab2dee1694
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/vcnl3020.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Integrated Proximity Sensor With Infrared Emitter
+
+maintainers:
+  - Ivan Mikhaylov <i.mikhaylov@yadro.com>
+
+description: |
+  The VCNL3020 is a fully integrated proximity sensor. Fully integrated means
+  that the infrared emitter is included in the package. It has 16-bit
+  resolution. It includes a signal processing IC and features standard I2C
+  communication interface. It features an interrupt function.
+
+  Specifications about the devices can be found at:
+  https://www.vishay.com/docs/84150/vcnl3020.pdf
+
+properties:
+  compatible:
+    enum:
+      - vishay,vcnl3020
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description: IRQ line for the proximity sensor
+    maxItems: 1
+
+  vdd-supply:
+    description: Regulator that provides power to the sensor
+
+  vddio-supply:
+    description: Regulator that provides power to the bus
+
+  vishay,led-current-milliamp:
+    description:
+        IR LED current value with valid Range = 0 to 20d. e.g. 0 = 0 mA,
+        1 = 10 mA, 20 = 200 mA (2 = 20 mA = DEFAULT). LED Current is
+        limited to 200 mA for values higher than decimal 20.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+      - enum: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+              18, 19, 20]
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        proximity@13 {
+              compatible = "vishay,vcnl3020";
+              reg = <0x13>;
+              vishay,led-current-milliamp = <0x14>;
+        };
+    };
-- 
2.21.1