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authorVipin KUMAR <vipin.kumar@st.com>2012-03-06 23:39:39 +0000
committerMarek Vasut <marek.vasut@gmail.com>2012-03-19 00:08:17 +0100
commit23b0e6946b9794266a2b699030b7b75c3fffb81d (patch)
treea7d86d62f014af62e321137c52266aa7ee61d508 /drivers/usb
parentdc3e77391859f49a7b0ff403d5708f5d6ea7aba8 (diff)
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USB:gadget:designware Support high speed
This patch adds the support for usb device high speed for designware peripheral. Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/designware_udc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/gadget/designware_udc.c b/drivers/usb/gadget/designware_udc.c
index 3c20f3d..205f54a 100644
--- a/drivers/usb/gadget/designware_udc.c
+++ b/drivers/usb/gadget/designware_udc.c
@@ -566,8 +566,13 @@ int udc_init(void)
writel(~0x0, &udc_regs_p->dev_int_mask);
writel(~0x0, &udc_regs_p->endp_int_mask);
+#ifndef CONFIG_USBD_HS
writel(DEV_CONF_FS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
DEV_CONF_PHYINT_16, &udc_regs_p->dev_conf);
+#else
+ writel(DEV_CONF_HS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
+ DEV_CONF_PHYINT_16, &udc_regs_p->dev_conf);
+#endif
writel(DEV_CNTL_SOFTDISCONNECT, &udc_regs_p->dev_cntl);
@@ -577,6 +582,11 @@ int udc_init(void)
return 0;
}
+int is_usbd_high_speed(void)
+{
+ return (readl(&udc_regs_p->dev_stat) & DEV_STAT_ENUM) ? 0 : 1;
+}
+
/*
* udc_setup_ep - setup endpoint
* Associate a physical endpoint with endpoint_instance