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path: root/sys/mips/cavium/octeon_gpio.c
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Diffstat (limited to 'sys/mips/cavium/octeon_gpio.c')
-rw-r--r--sys/mips/cavium/octeon_gpio.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/sys/mips/cavium/octeon_gpio.c b/sys/mips/cavium/octeon_gpio.c
index 1053976..58aea5a 100644
--- a/sys/mips/cavium/octeon_gpio.c
+++ b/sys/mips/cavium/octeon_gpio.c
@@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
#include <mips/cavium/octeon_irq.h>
#include <mips/cavium/octeon_gpiovar.h>
+#include <dev/gpio/gpiobusvar.h>
#include "gpio_if.h"
@@ -90,6 +91,7 @@ static void octeon_gpio_intr(void *arg);
/*
* GPIO interface
*/
+static device_t octeon_gpio_get_bus(device_t);
static int octeon_gpio_pin_max(device_t dev, int *maxpin);
static int octeon_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps);
static int octeon_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t
@@ -134,6 +136,16 @@ octeon_gpio_pin_configure(struct octeon_gpio_softc *sc, struct gpio_pin *pin,
GPIO_UNLOCK(sc);
}
+static device_t
+octeon_gpio_get_bus(device_t dev)
+{
+ struct octeon_gpio_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ return (sc->busdev);
+}
+
static int
octeon_gpio_pin_max(device_t dev, int *maxpin)
{
@@ -434,11 +446,13 @@ octeon_gpio_attach(device_t dev)
gpio_cfgx.s.int_en, gpio_cfgx.s.int_type ? "rising edge" : "level");
}
}
+ sc->busdev = gpiobus_attach_bus(dev);
+ if (sc->busdev == NULL) {
+ octeon_gpio_detach(dev);
+ return (ENXIO);
+ }
- device_add_child(dev, "gpioc", -1);
- device_add_child(dev, "gpiobus", -1);
-
- return (bus_generic_attach(dev));
+ return (0);
}
static int
@@ -457,7 +471,7 @@ octeon_gpio_detach(device_t dev)
bus_release_resource(dev, SYS_RES_IRQ,
sc->gpio_irq_rid[i], sc->gpio_irq_res[i]);
}
- bus_generic_detach(dev);
+ gpiobus_detach_bus(dev);
mtx_destroy(&sc->gpio_mtx);
return(0);
@@ -470,6 +484,7 @@ static device_method_t octeon_gpio_methods[] = {
DEVMETHOD(device_detach, octeon_gpio_detach),
/* GPIO protocol */
+ DEVMETHOD(gpio_get_bus, octeon_gpio_get_bus),
DEVMETHOD(gpio_pin_max, octeon_gpio_pin_max),
DEVMETHOD(gpio_pin_getname, octeon_gpio_pin_getname),
DEVMETHOD(gpio_pin_getflags, octeon_gpio_pin_getflags),
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