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From:   Joe Sandom <joe.g.sandom@gmail.com>
To:     robh@kernel.org
Cc:     Joe Sandom <joe.g.sandom@gmail.com>,
        Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        Rob Herring <robh+dt@kernel.org>, linux-iio@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [RESEND][PATCH v6 2/2] Added AMS tsl2591 device tree binding
Date:   Fri, 26 Mar 2021 00:10:45 +0000
Message-Id: <20210326001046.6588-1-joe.g.sandom@gmail.com>
Precedence: bulk

Device tree binding for AMS/TAOS tsl2591 ambient light sensor.

This driver supports configuration via device tree and sysfs.
Supported channels for raw infrared light intensity,
raw combined light intensity and illuminance in lux.
The driver additionally supports iio events on lower and
upper thresholds.

This is a very-high sensitivity light-to-digital converter that
transforms light intensity into a digital signal.

Datasheet: https://ams.com/tsl25911#tab/documents

Signed-off-by: Joe Sandom <joe.g.sandom@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes in v6:
- No changes

Notes:
- Re-submitted to align the version with part 1 of the patch series
 
Reason for resend:
- Correctly pointed out that I forgot to add reviewed-by tag offered by Rob Herring

 .../bindings/iio/light/amstaos,tsl2591.yaml   | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/light/amstaos,tsl2591.yaml

diff --git a/Documentation/devicetree/bindings/iio/light/amstaos,tsl2591.yaml b/Documentation/devicetree/bindings/iio/light/amstaos,tsl2591.yaml
new file mode 100644
index 000000000000..596a3bc770f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/light/amstaos,tsl2591.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/light/amstaos,tsl2591.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AMS/TAOS TSL2591 Ambient Light Sensor (ALS)
+
+maintainers:
+  - Joe Sandom <joe.g.sandom@gmail.com>
+
+description: |
+  AMS/TAOS TSL2591 is a very-high sensitivity
+  light-to-digital converter that transforms light intensity into a digital
+  signal.
+
+properties:
+  compatible:
+    const: amstaos,tsl2591
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+    description:
+      Interrupt (INT:Pin 2) Active low. Should be set to IRQ_TYPE_EDGE_FALLING.
+      interrupt is used to detect if the light intensity has fallen below
+      or reached above the configured threshold values.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        tsl2591@29 {
+            compatible = "amstaos,tsl2591";
+            reg = <0x29>;
+            interrupts = <20 IRQ_TYPE_EDGE_FALLING>;
+       };
+    };
+...
-- 
2.17.1