From 94e23bf7409d6cc4c9efb55ed32aba8e5a497966 Mon Sep 17 00:00:00 2001 From: Alexander Couzens <lynxis@fe80.eu> Date: Fri, 20 May 2016 13:10:36 +0200 Subject: [PATCH] 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> --- target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c | 6 ++++++ 1 file changed, 6 insertions(+) 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 8bf5c0f622..5cb052a84a 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);