From f6a9ff07832a9d30d457e976e6233b4351cd4cdf Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Tue, 19 Aug 2014 09:51:56 +0800 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/chipidea/core.c | 4 ++++ drivers/usb/chipidea/host.c | 1 + include/linux/usb/chipidea.h | 1 + 3 files changed, 6 insertions(+) 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; diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index bbe779f640be..e14c09a45c5a 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -31,6 +31,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 void (*notify_event) (struct ci_hdrc *ci, unsigned event); struct regulator *reg_vbus; + bool tpl_support; }; /* Default offset of capability registers */ -- 2.20.1