ath79: wndr3700 series: fix wifi range & throughput

[openwrt/staging/yousong.git] / target / linux / ath79 / dts / ar7161_netgear_wndr3700.dtsi

diff --git a/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi b/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi
index 89e9b2fbb7a535c1d05a0a891a2eb3e511cfa19a..3d256baa0e3d45f874bbbde15ef0c9e6da3669ca 100644 (file)
--- a/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi
+++ b/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi
@@ -158,6 +158,25 @@
                qca,no-eeprom;
                #gpio-cells = <2>;
                gpio-controller;
+
+               /* all WNDR3700 variants have four antennae dedicated
+                * to the 2.4GHz radio. Two antennae are available for
+                * each chain. The following configuration is the
+                * default setting which taken from the vendor's wifi
+                * code for that radio.
+                *
+                * All possible options [GPIO6,GPIO7,GPIO8,GPIO9]:
+                *      [0,1,0,1], [0,1,1,0], [1,0,0,1], [1,0,1,0]
+                */
+               antenna-demux {
+                       gpio-hog;
+                       line-name = "fixed antenna group 1";
+                       gpios = <6 GPIO_ACTIVE_LOW>,
+                               <7 GPIO_ACTIVE_HIGH>,
+                               <8 GPIO_ACTIVE_LOW>,
+                               <9 GPIO_ACTIVE_HIGH>;
+                       output-high;
+               };
        };
 
        ath9k1: wifi@0,12 {