diff mbox series

[v2,2/2] wilc1000: Document enable-gpios and reset-gpios properties

Message ID 20211208061559.3404738-3-davidm@egauge.net (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series wilc1000-spi: Add reset/enable GPIO support | expand

Commit Message

David Mosberger-Tang Dec. 8, 2021, 6:16 a.m. UTC 
Add documentation for the ENABLE and RESET GPIOs that may be needed by
wilc1000-spi.

Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
---
 .../bindings/net/wireless/microchip,wilc1000.yaml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
index 6c35682377e6..e4da2a58fcb2 100644
--- a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
@@ -32,6 +32,19 @@  properties:
   clock-names:
     const: rtc
 
+  enable-gpios:
+    maxItems: 1
+    description: Used by wilc1000-spi to determine the GPIO line
+      connected to the ENABLE line.  Unless special external circuitry
+      is used, reset-gpios must be specified when enable-gpios is
+      specified as otherwise the driver cannot ensure the proper
+      ENABLE/RESET sequence when enabling the chip.
+
+  reset-gpios:
+    maxItems: 1
+    description: Used by wilc1000-spi to determine the GPIO line
+      connected to the RESET line.
+
 required:
   - compatible
   - interrupts
@@ -51,6 +64,8 @@  examples:
         interrupts = <27 0>;
         clocks = <&pck1>;
         clock-names = "rtc";
+        enable-gpios = <&pioA 5 0>;
+        reset-gpios = <&pioA 6 0>;
       };
     };