On Monday, October 26, 2015 at 01:58:51 PM, Sanchayan Maity wrote: > Add board_usb_phy_mode function for detecting whether a port is > being used as host or client using a GPIO. On Colibri Vybrid we > provide the GPIO 102 for the very same purpose. > > Signed-off-by: Sanchayan Maity <[email protected]> > --- > board/toradex/colibri_vf/colibri_vf.c | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-) > > diff --git a/board/toradex/colibri_vf/colibri_vf.c > b/board/toradex/colibri_vf/colibri_vf.c index a6d1c5b..fd90ef2 100644 > --- a/board/toradex/colibri_vf/colibri_vf.c > +++ b/board/toradex/colibri_vf/colibri_vf.c > @@ -34,6 +34,7 @@ DECLARE_GLOBAL_DATA_PTR; > PAD_CTL_DSE_50ohm | PAD_CTL_OBE_IBE_ENABLE) > > #define USB_PEN_GPIO 83 > +#define USB_CDET_GPIO 102 > > static struct ddrmc_cr_setting colibri_vf_cr_settings[] = { > /* levelling */ > @@ -92,6 +93,7 @@ static struct ddrmc_cr_setting colibri_vf_cr_settings[] = > { > > static const iomux_v3_cfg_t usb_pads[] = { > VF610_PAD_PTD4__GPIO_83, > + VF610_PAD_PTC29__GPIO_102, > }; > > int dram_init(void) > @@ -280,7 +282,6 @@ static void setup_iomux_gpio(void) > VF610_PAD_PTB23__GPIO_93, > VF610_PAD_PTB26__GPIO_96, > VF610_PAD_PTB28__GPIO_98, > - VF610_PAD_PTC29__GPIO_102, > VF610_PAD_PTC30__GPIO_103, > VF610_PAD_PTA7__GPIO_134, > }; > @@ -554,4 +555,20 @@ int board_ehci_hcd_init(int port) > } > return 0; > } > + > +int board_usb_phy_mode(int port) > +{ > + switch (port) { > + case 0: > + gpio_request(USB_CDET_GPIO, "usb-cdet-gpio");
The gpio_request() here will fail the second time you do "usb reset" on the command line I think. You might want to request this elsewhere. > + return gpio_get_value(USB_CDET_GPIO); > + break; > + case 1: > + return 0; > + break; > + default: > + return 0; > + break; > + } > +} > #endif Best regards, Marek Vasut _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
