Update the DT bindings documentation with the optional gpio-reserved-ranges
properties.
Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
Reviewed-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
index 378f132..67968b5 100644
--- a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
+++ b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
@@ -46,6 +46,9 @@ Optional properties:
mandatory if the hardware implements a controllable functional clock for
the GPIO instance.
+ - gpio-reserved-ranges: Set of tuples to specify the unused GPIOs.This
+ property indicates the start and size of the GPIOs that can't be used.
+
Please refer to gpio.txt in this directory for details of gpio-ranges property
and the common GPIO bindings used by client devices.
--
2.7.4
