ARM: dts: omap3-gta04: add a comment how to reference the tca6507 gpio

Make clear how to use the wifi_reset since it is not obvious.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index 45d4b08..1145cfa 100644 (file)
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -436,7 +436,7 @@
                        reg = <0x4>;
                };
 
-               wifi_reset: wifi_reset@6 {
+               wifi_reset: wifi_reset@6 { /* reference as <&tca_gpios 0 0> since it is currently the only GPIO */
                        reg = <0x6>;
                        compatible = "gpio";
                };