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path: root/drivers/ssb/driver_gpio.c
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Diffstat (limited to 'drivers/ssb/driver_gpio.c')
-rw-r--r--drivers/ssb/driver_gpio.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c
index eb2753008ef..dc109de228c 100644
--- a/drivers/ssb/driver_gpio.c
+++ b/drivers/ssb/driver_gpio.c
@@ -74,6 +74,16 @@ static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio)
ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0);
}
+static int ssb_gpio_chipco_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ return ssb_mips_irq(bus->chipco.dev) + 2;
+ else
+ return -EINVAL;
+}
+
static int ssb_gpio_chipco_init(struct ssb_bus *bus)
{
struct gpio_chip *chip = &bus->gpio;
@@ -86,6 +96,7 @@ static int ssb_gpio_chipco_init(struct ssb_bus *bus)
chip->set = ssb_gpio_chipco_set_value;
chip->direction_input = ssb_gpio_chipco_direction_input;
chip->direction_output = ssb_gpio_chipco_direction_output;
+ chip->to_irq = ssb_gpio_chipco_to_irq;
chip->ngpio = 16;
/* There is just one SoC in one device and its GPIO addresses should be
* deterministic to address them more easily. The other buses could get
@@ -134,6 +145,16 @@ static int ssb_gpio_extif_direction_output(struct gpio_chip *chip,
return 0;
}
+static int ssb_gpio_extif_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ return ssb_mips_irq(bus->extif.dev) + 2;
+ else
+ return -EINVAL;
+}
+
static int ssb_gpio_extif_init(struct ssb_bus *bus)
{
struct gpio_chip *chip = &bus->gpio;
@@ -144,6 +165,7 @@ static int ssb_gpio_extif_init(struct ssb_bus *bus)
chip->set = ssb_gpio_extif_set_value;
chip->direction_input = ssb_gpio_extif_direction_input;
chip->direction_output = ssb_gpio_extif_direction_output;
+ chip->to_irq = ssb_gpio_extif_to_irq;
chip->ngpio = 5;
/* There is just one SoC in one device and its GPIO addresses should be
* deterministic to address them more easily. The other buses could get