[PATCH] at91: use gpiolib calls for USB vbus pin on at91sam9g45
Nicolas Ferre
nicolas.ferre at atmel.com
Wed Sep 16 13:29:29 EDT 2009
Change pin configuration for USB vbus on at91sam9g45: use the generic gpiolib
call instead of the at91 specific one.
Use gpio_request() function with same identifier for OHCI and EHCI hosts as
they are sharing the same pin.
Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
---
This patch is on top of at91sam9g45 USB integration one:
"[PATCH 2/2] at91/USB: at91sam9g45 series USB host integration"
http://lkml.org/lkml/2009/6/9/221
arch/arm/mach-at91/at91sam9g45_devices.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 5be8cf2..7d939c0 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -118,8 +118,10 @@ void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
- if (data->vbus_pin[i])
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ if (data->vbus_pin[i]) {
+ gpio_request(data->vbus_pin[i], "usb host vbus");
+ gpio_direction_output(data->vbus_pin[i], 0);
+ }
}
usbh_ohci_data = *data;
@@ -173,8 +175,10 @@ void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
- if (data->vbus_pin[i])
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ if (data->vbus_pin[i]) {
+ gpio_request(data->vbus_pin[i], "usb host vbus");
+ gpio_direction_output(data->vbus_pin[i], 0);
+ }
}
usbh_ehci_data = *data;
--
1.5.6.5
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