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| author | John Crispin <john@openwrt.org> | 2015-10-26 09:01:28 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-10-26 09:01:28 +0000 |
| commit | 632c92094ad4b4632df7b661999089bd26f30c6d (patch) | |
| tree | fcdb428216c7636cbd855033c331e6898f17bae1 /target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c | |
| parent | f080f2aa8ed71967d442afec7be1f24735f693b9 (diff) | |
| download | upstream-632c92094ad4b4632df7b661999089bd26f30c6d.tar.gz upstream-632c92094ad4b4632df7b661999089bd26f30c6d.tar.bz2 upstream-632c92094ad4b4632df7b661999089bd26f30c6d.zip | |
ar71xx: Bitmain Antminer S1/S3 set GPIO for USB Power
Antminers using the stock bootloader will not hash without this GPIO set.
Applies to DD and CC
Signed-off-by: L. D. Pinney <ldpinney@gmail.com>
SVN-Revision: 47261
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c | 5 |
1 files changed, 5 insertions, 0 deletions
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 aa54e9cafc..b77a6ccc4e 100644 --- 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); |