usb: chipidea: add TPL support for targeted hosts

For OTG and Embedded hosts, they may need TPL (Targeted Peripheral List)
for usb certification and other vender specific requirements, the
platform can tell chipidea core driver if it supports tpl through DT
or platform data.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 5 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 619d13e29995..41d45a16dd30 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -473,6 +473,10 @@ static int ci_get_platdata(struct device *dev,
                                 PTR_ERR(platdata->reg_vbus));
                         return PTR_ERR(platdata->reg_vbus);
                 }
+                /* Get TPL support */
+                if (!platdata->tpl_support)
+                        platdata->tpl_support =
+                                of_usb_host_tpl_support(dev->of_node);
         }
 
         if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL)
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index a93d950e9468..0d6b24cb2270 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -60,6 +60,7 @@ static int host_start(struct ci_hdrc *ci)
 
         hcd->power_budget = ci->platdata->power_budget;
         hcd->phy = ci->transceiver;
+        hcd->tpl_support = ci->platdata->tpl_support;
 
         ehci = hcd_to_ehci(hcd);
         ehci->caps = ci->hw_bank.cap;