diff options
| author |   Ian Molton <spyro@f2s.com> | 2008-06-25 22:34:51 +0100 |
|---|---|---|
| committer | Ian Molton <spyro@f2s.com> | 2008-07-10 20:15:10 +0100 |
| commit | 8fb105f5cc7f31ff37755945378a668f4c21590e (patch) | |
| tree | 52f2b358d2f6f2c7cb2a9af1b9f022d539d06a2d | |
| parent | Add e350 support (diff) | |
| download | linux-dev-8fb105f5cc7f31ff37755945378a668f4c21590e.tar.xz linux-dev-8fb105f5cc7f31ff37755945378a668f4c21590e.zip | |
PXA UDC - allow use of inverted GPIO for pullup
Signed-off-by: Ian Molton <spyro@f2s.com>
| -rw-r--r-- | drivers/usb/gadget/pxa25x_udc.c | 6 | ||||
| -rw-r--r-- | include/asm-arm/mach/udc_pxa2xx.h | 1 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index 031dceb93023..5d50031938ab 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -152,9 +152,10 @@ static int is_vbus_present(void) static void pullup_off(void) { struct pxa2xx_udc_mach_info *mach = the_controller->mach; + int off_level = mach->gpio_pullup_inverted; if (mach->gpio_pullup) - gpio_set_value(mach->gpio_pullup, 0); + gpio_set_value(mach->gpio_pullup, off_level); else if (mach->udc_command) mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT); } @@ -162,9 +163,10 @@ static void pullup_off(void) static void pullup_on(void) { struct pxa2xx_udc_mach_info *mach = the_controller->mach; + int on_level = !mach->gpio_pullup_inverted; if (mach->gpio_pullup) - gpio_set_value(mach->gpio_pullup, 1); + gpio_set_value(mach->gpio_pullup, on_level); else if (mach->udc_command) mach->udc_command(PXA2XX_UDC_CMD_CONNECT); } diff --git a/include/asm-arm/mach/udc_pxa2xx.h b/include/asm-arm/mach/udc_pxa2xx.h index f9f3606986c2..9e5ed7c0f27f 100644 --- a/include/asm-arm/mach/udc_pxa2xx.h +++ b/include/asm-arm/mach/udc_pxa2xx.h @@ -23,6 +23,7 @@ struct pxa2xx_udc_mach_info { */ bool gpio_vbus_inverted; u16 gpio_vbus; /* high == vbus present */ + bool gpio_pullup_inverted; u16 gpio_pullup; /* high == pullup activated */ }; |