[U-Boot] [PATCH 3/3] colibri_vf: Add board_usb_phy_mode function

Sanchayan Maity
2015-10-26T12:58:51Z

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 <maitysanchayan@gmail.com>
---
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");
+ return gpio_get_value(USB_CDET_GPIO);
+ break;
+ case 1:
+ return 0;
+ break;
+ default:
+ return 0;
+ break;
+ }
+}
#endif
--
2.6.2