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ath79: enable LNA for all ar9344 TPLink CPE devices

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The TPLink CPE devices CPE210/CPE510 based on ar9344 have a build-in
Low Noise Amplifier on both of the 2x2 mimo rx chains.
This patch activates those two LNAs in the respective receiving chains
and hence improves the RX sensitivity by about 20dB.

Tested on CPE510 v2 & v3.

Signed-off-by: Thomas Huehn <thomas.huehn@hs-nordhausen.de>
Acked-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: maurerr <mariusd84@gmail.com>
This commit is contained in:
Thomas Huehn 2020-12-02 11:24:07 +01:00 committed by maurerr
parent 1a9ea9267c
commit ef665de460
2 changed files with 16 additions and 16 deletions
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16
target/linux/ath79/dts/ar9344_tplink_cpe.dtsi
View File

@ -114,3 +114,19 @@
&eth1 {
status = "okay";
};
&gpio {
gpio_ext_lna0 {
gpio-hog;
gpios = <18 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "tp-link:ext:lna0";
};
gpio_ext_lna1 {
gpio-hog;
gpios = <19 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "tp-link:ext:lna1";
};
};

16
target/linux/ath79/dts/ar9344_tplink_cpe_2port.dtsi
View File

@ -44,22 +44,6 @@
};
};
&gpio {
gpio_ext_lna0 {
gpio-hog;
gpios = <18 0>;
output-high;
line-name = "tp-link:ext:lna0";
};
gpio_ext_lna1 {
gpio-hog;
gpios = <19 0>;
output-high;
line-name = "tp-link:ext:lna1";
};
};
&eth1 {
mtd-mac-address = <&info 0x8>;