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Diffstat (limited to 'arch/avr32/boards/atngw100/setup.c')
-rw-r--r--arch/avr32/boards/atngw100/setup.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index f3085208959..6c54580a66d 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>
@@ -193,7 +194,7 @@ static int __init atngw100_init(void)
* PB28/EXTINT3 doesn't; it should be SMBALERT# (for PMBus),
* but it's not available off-board.
*/
- at32_select_periph(GPIO_PIN_PB(28), 0, AT32_GPIOF_PULLUP);
+ at32_select_periph(GPIO_PIOB_BASE, 1 << 28, 0, AT32_GPIOF_PULLUP);
at32_select_gpio(i2c_gpio_data.sda_pin,
AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
at32_select_gpio(i2c_gpio_data.scl_pin,
@@ -207,6 +208,15 @@ 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.
*/