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path: root/drivers/usb/chipidea
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-rw-r--r--drivers/usb/chipidea/ci.h5
-rw-r--r--drivers/usb/chipidea/core.c15
-rw-r--r--drivers/usb/chipidea/debug.c1
-rw-r--r--drivers/usb/chipidea/udc.c21
4 files changed, 40 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index 6d6200e37b71..f243f0b431c3 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -406,8 +406,11 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci)
{
#ifdef CONFIG_USB_OTG_FSM
+ struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps;
+
return ci->is_otg && ci->roles[CI_ROLE_HOST] &&
- ci->roles[CI_ROLE_GADGET];
+ ci->roles[CI_ROLE_GADGET] && (otg_caps->srp_support ||
+ otg_caps->hnp_support || otg_caps->adp_support);
#else
return false;
#endif
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 3ad48e1c0c57..ab6212e888e1 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -560,6 +560,8 @@ static irqreturn_t ci_irq(int irq, void *data)
static int ci_get_platdata(struct device *dev,
struct ci_hdrc_platform_data *platdata)
{
+ int ret;
+
if (!platdata->phy_mode)
platdata->phy_mode = of_usb_get_phy_mode(dev->of_node);
@@ -588,6 +590,19 @@ static int ci_get_platdata(struct device *dev,
of_usb_host_tpl_support(dev->of_node);
}
+ if (platdata->dr_mode == USB_DR_MODE_OTG) {
+ /* We can support HNP and SRP of OTG 2.0 */
+ platdata->ci_otg_caps.otg_rev = 0x0200;
+ platdata->ci_otg_caps.hnp_support = true;
+ platdata->ci_otg_caps.srp_support = true;
+
+ /* Update otg capabilities by DT properties */
+ ret = of_usb_update_otg_caps(dev->of_node,
+ &platdata->ci_otg_caps);
+ if (ret)
+ return ret;
+ }
+
if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL)
platdata->flags |= CI_HDRC_FORCE_FULLSPEED;
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index 5b7061a33103..3869c6d75515 100644
--- a/drivers/usb/chipidea/debug.c
+++ b/drivers/usb/chipidea/debug.c
@@ -10,6 +10,7 @@
#include <linux/usb/phy.h>
#include <linux/usb/otg.h>
#include <linux/usb/otg-fsm.h>
+#include <linux/usb/chipidea.h>
#include "ci.h"
#include "udc.h"
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 764f668d45a9..c592b6f0fe21 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1624,6 +1624,20 @@ static int init_eps(struct ci_hdrc *ci)
hwep->ep.name = hwep->name;
hwep->ep.ops = &usb_ep_ops;
+
+ if (i == 0) {
+ hwep->ep.caps.type_control = true;
+ } else {
+ hwep->ep.caps.type_iso = true;
+ hwep->ep.caps.type_bulk = true;
+ hwep->ep.caps.type_int = true;
+ }
+
+ if (j == TX)
+ hwep->ep.caps.dir_in = true;
+ else
+ hwep->ep.caps.dir_out = true;
+
/*
* for ep0: maxP defined in desc, for other
* eps, maxP is set by epautoconfig() called
@@ -1827,6 +1841,7 @@ static irqreturn_t udc_irq(struct ci_hdrc *ci)
static int udc_start(struct ci_hdrc *ci)
{
struct device *dev = ci->dev;
+ struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps;
int retval = 0;
spin_lock_init(&ci->lock);
@@ -1834,8 +1849,12 @@ static int udc_start(struct ci_hdrc *ci)
ci->gadget.ops = &usb_gadget_ops;
ci->gadget.speed = USB_SPEED_UNKNOWN;
ci->gadget.max_speed = USB_SPEED_HIGH;
- ci->gadget.is_otg = ci->is_otg ? 1 : 0;
ci->gadget.name = ci->platdata->name;
+ ci->gadget.otg_caps = otg_caps;
+
+ if (ci->is_otg && (otg_caps->hnp_support || otg_caps->srp_support ||
+ otg_caps->adp_support))
+ ci->gadget.is_otg = 1;
INIT_LIST_HEAD(&ci->gadget.ep_list);
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