[PATCH v2 1/5] dt-bindings: net: rfkill-gpio: document reset-gpios property

[Dmitry Yashin <dmt.yashin@gmail.com>]

rfkill-gpio driver requiers at-least one of the gpios to be defined:
shutdown-gpios or reset-gpios. Document missing reset-gpios property.
Also add example for wwan with both gpios.

Signed-off-by: Dmitry Yashin <dmt.yashin@gmail.com>
---
 .../devicetree/bindings/net/rfkill-gpio.yaml       | 23 +++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/rfkill-gpio.yaml b/Documentation/devicetree/bindings/net/rfkill-gpio.yaml
index 4a706a41ab38..66f6ad2872ff 100644
--- a/Documentation/devicetree/bindings/net/rfkill-gpio.yaml
+++ b/Documentation/devicetree/bindings/net/rfkill-gpio.yaml
@@ -29,7 +29,12 @@ properties:
       - wlan
       - wwan
 
+  reset-gpios:
+    description: GPIO connected to device's reset pin (RESET#)
+    maxItems: 1
+
   shutdown-gpios:
+    description: GPIO connected to device's shutdown pin (W_DISABLE1#, etc.)
     maxItems: 1
 
   default-blocked:
@@ -39,7 +44,12 @@ properties:
 required:
   - compatible
   - radio-type
-  - shutdown-gpios
+
+anyOf:
+  - required:
+      - reset-gpios
+  - required:
+      - shutdown-gpios
 
 additionalProperties: false
 
@@ -54,3 +64,14 @@ examples:
         shutdown-gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>;
         default-blocked;
     };
+
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    rfkill-wwan {
+        compatible = "rfkill-gpio";
+        label = "m2 usb wwan";
+        radio-type = "wwan";
+        reset-gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
+        shutdown-gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+    };

-- 
2.56.0