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PXA UDC - allow use of inverted GPIO for pullup
Signed-off-by: Ian Molton <spyro@f2s.com>
This commit is contained in:
parent
b3d354b8d8
commit
8fb105f5cc
2 changed files with 5 additions and 2 deletions
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@ -152,9 +152,10 @@ static int is_vbus_present(void)
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static void pullup_off(void)
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{
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struct pxa2xx_udc_mach_info *mach = the_controller->mach;
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int off_level = mach->gpio_pullup_inverted;
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if (mach->gpio_pullup)
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gpio_set_value(mach->gpio_pullup, 0);
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gpio_set_value(mach->gpio_pullup, off_level);
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else if (mach->udc_command)
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mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
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}
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@ -162,9 +163,10 @@ static void pullup_off(void)
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static void pullup_on(void)
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{
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struct pxa2xx_udc_mach_info *mach = the_controller->mach;
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int on_level = !mach->gpio_pullup_inverted;
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if (mach->gpio_pullup)
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gpio_set_value(mach->gpio_pullup, 1);
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gpio_set_value(mach->gpio_pullup, on_level);
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else if (mach->udc_command)
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mach->udc_command(PXA2XX_UDC_CMD_CONNECT);
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}
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@ -23,6 +23,7 @@ struct pxa2xx_udc_mach_info {
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*/
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bool gpio_vbus_inverted;
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u16 gpio_vbus; /* high == vbus present */
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bool gpio_pullup_inverted;
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u16 gpio_pullup; /* high == pullup activated */
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};
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