[U-Boot] [PATCH v4 7/7] ARM: OMAP5-uevm: Add usb device reset API
Dan Murphy
dmurphy at ti.com
Thu Aug 1 21:06:02 CEST 2013
Add the call back to reset the LAN9730 after
the FEAT_POWER has been called.
Signed-off-by: Dan Murphy <dmurphy at ti.com>
---
v3 - Added this patch to separate the patch series - http://patchwork.ozlabs.org/patch/258229/
v4 - Updated the CONFIG gpio to be PHY3 - http://patchwork.ozlabs.org/patch/259750/
board/ti/omap5_uevm/evm.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
index 19d6e71..aa6846f 100644
--- a/board/ti/omap5_uevm/evm.c
+++ b/board/ti/omap5_uevm/evm.c
@@ -15,6 +15,7 @@
#ifdef CONFIG_USB_EHCI
#include <usb.h>
+#include <asm/gpio.h>
#include <asm/arch/clock.h>
#include <asm/arch/ehci.h>
#include <asm/ehci-omap.h>
@@ -169,4 +170,14 @@ int ehci_hcd_stop(void)
ret = omap_ehci_hcd_stop();
return ret;
}
+
+void usb_hub_reset_devices(int port)
+{
+ /* The LAN9730 needs to be reset after the port power has been set. */
+ if (port == 3) {
+ gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0);
+ udelay(10);
+ gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1);
+ }
+}
#endif
--
1.7.9.5
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