diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/avr32/boards/atngw100/setup.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c index b8286f1ce85..abcb0d9559b 100644 --- a/arch/avr32/boards/atngw100/setup.c +++ b/arch/avr32/boards/atngw100/setup.c @@ -9,6 +9,7 @@ */ #include <linux/clk.h> #include <linux/etherdevice.h> +#include <linux/gpio.h> #include <linux/irq.h> #include <linux/i2c.h> #include <linux/i2c-gpio.h> @@ -204,6 +205,15 @@ postcore_initcall(atngw100_init); static int __init atngw100_arch_init(void) { + /* PB30 is the otherwise unused jumper on the mainboard, with an + * external pullup; the jumper grounds it. Use it however you + * like, including letting U-Boot or Linux tweak boot sequences. + */ + at32_select_gpio(GPIO_PIN_PB(30), 0); + gpio_request(GPIO_PIN_PB(30), "j15"); + gpio_direction_input(GPIO_PIN_PB(30)); + gpio_export(GPIO_PIN_PB(30), false); + /* set_irq_type() after the arch_initcall for EIC has run, and * before the I2C subsystem could try using this IRQ. */ |