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| author | Dmitry Baryshkov <dbaryshkov@gmail.com> | 2007-12-07 05:18:03 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-02 01:34:57 +0300 |
| commit | d4a8d46d9129fbb26b4c2d3143b1b0975a9b4ae4 (patch) | |
| tree | c8f3df6259f2a2cbcffe559f29fc065c8adcc856 /include/asm-arm | |
| parent | 26e109b0a90b5ef7b025e44a969836ab9a598ffc (diff) | |
| download | linux-d4a8d46d9129fbb26b4c2d3143b1b0975a9b4ae4.tar.xz | |
USB: gadget: pxa2xx_udc supports inverted vbus
Some boards (like e.g. Tosa) invert the VBUS-detection signal:
it's low when a host is supplying VBUS, and high otherwise.
Allow specifying whether gpio_vbus value is inverted.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/mach/udc_pxa2xx.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-arm/mach/udc_pxa2xx.h b/include/asm-arm/mach/udc_pxa2xx.h index ff0a95715a07..f191e147ea90 100644 --- a/include/asm-arm/mach/udc_pxa2xx.h +++ b/include/asm-arm/mach/udc_pxa2xx.h @@ -19,7 +19,9 @@ struct pxa2xx_udc_mach_info { * with on-chip GPIOs not Lubbock's wierd hardware, can have a sane * VBUS IRQ and omit the methods above. Store the GPIO number * here; for GPIO 0, also mask in one of the pxa_gpio_mode() bits. + * Note that sometimes the signals go through inverters... */ + bool gpio_vbus_inverted; u16 gpio_vbus; /* high == vbus present */ u16 gpio_pullup; /* high == pullup activated */ }; |