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ar71xx/cpe510: enable LNA for CPE210/220/510/520

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Matthias Schiffer 2016-08-30 12:28:06 +02:00
parent 7d95f0d9a9
commit a7c77f6e20
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patches/openwrt/0036-ar71xx-cpe510-enable-LNA-for-CPE210-220-510-520.patch Normal file
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@ -0,0 +1,35 @@
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 30 Aug 2016 12:27:15 +0200
Subject: ar71xx/cpe510: enable LNA for CPE210/220/510/520
The LNA improves the rx path. Within a simple test setup
it improved the signal from -60dbm to -40dbm.
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Backport of LEDE 94e23bf7409d6cc4c9efb55ed32aba8e5a497966
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c
index 8bf5c0f..5cb052a 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c
@@ -30,6 +30,9 @@
#define CPE510_GPIO_LED_L3 15
#define CPE510_GPIO_LED_L4 16
+#define CPE510_GPIO_EXTERNAL_LNA0 18
+#define CPE510_GPIO_EXTERNAL_LNA1 19
+
#define CPE510_GPIO_BTN_RESET 4
#define CPE510_KEYS_POLL_INTERVAL 20 /* msecs */
@@ -93,6 +96,9 @@ static void __init cpe510_setup(void)
ARRAY_SIZE(cpe510_gpio_keys),
cpe510_gpio_keys);
+ ath79_wmac_set_ext_lna_gpio(0, CPE510_GPIO_EXTERNAL_LNA0);
+ ath79_wmac_set_ext_lna_gpio(1, CPE510_GPIO_EXTERNAL_LNA1);
+
ath79_register_m25p80(NULL);
ath79_register_mdio(1, 0);