ar71xx: Bitmain Antminer S1/S3 set GPIO for USB Power

[openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-antminer-s3.c

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c
index aa54e9c..b77a6cc 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c
@@ -25,6 +25,7 @@
 #define ANTMINER_S3_GPIO_LED_WLAN              0
 #define ANTMINER_S3_GPIO_LED_SYSTEM            17
 #define ANTMINER_S3_GPIO_LED_LAN               22
+#define ANTMINER_S3_GPIO_USB_POWER             26
 
 #define ANTMINER_S3_GPIO_BTN_RESET             11
 
@@ -81,6 +82,10 @@ static void __init antminer_s3_setup(void)
        ath79_register_gpio_keys_polled(-1, ANTMINER_S3_KEYSPOLL_INTERVAL,
                                        ARRAY_SIZE(ANTMINER_S3_GPIO_keys),
                                        ANTMINER_S3_GPIO_keys);
+
+       gpio_request_one(ANTMINER_S3_GPIO_USB_POWER,
+                        GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+                        "USB power");
        ath79_register_usb();
 
        ath79_register_m25p80(&ANTMINER_S3_flash_data);