From 7dfc4dc385dc851d3247cee6f98afd5ebe580282 Mon Sep 17 00:00:00 2001
From: Tomasz Duszynski <tomasz.duszynski@octakon.com>
Date: Mon, 3 May 2021 08:00:14 +0200
Subject: [PATCH] dt-bindings: iio: chemical: sps30: update binding with serial
 example

sps30 has gained support for serial communication so add example to the
binding file. While at it remove reg property from list of required
properties because it's no-op in case of serial communication.

Signed-off-by: Tomasz Duszynski <tomasz.duszynski@octakon.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 .../devicetree/bindings/iio/chemical/sensirion,sps30.yaml  | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml b/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml
index a93d1972a5c2..967500b7e773 100644
--- a/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml
+++ b/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml
@@ -22,7 +22,6 @@ properties:
 
 required:
   - compatible
-  - reg
 
 additionalProperties: false
 
@@ -37,5 +36,11 @@ examples:
         reg = <0x69>;
       };
     };
+  - |
+    serial {
+      air-pollution-sensor {
+        compatible = "sensirion,sps30";
+      };
+    };
 
 ...