From mboxrd@z Thu Jan 1 00:00:00 1970 From: patrice.chotard at st.com Date: Mon, 29 May 2017 09:57:41 +0200 Subject: [U-Boot] [PATCH v4 2/5] usb: host: xhci-dwc3: Add dual role mode support from DT In-Reply-To: <1496044664-13297-1-git-send-email-patrice.chotard@st.com> References: <1496044664-13297-1-git-send-email-patrice.chotard@st.com> Message-ID: <1496044664-13297-3-git-send-email-patrice.chotard@st.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Patrice Chotard DWC3 dual role mode is selected using DT "dr_mode" property. If not found, DWC3 controller is configured in HOST mode by default Signed-off-by: Patrice Chotard --- d4: _ none v3: _ none v2: _ none drivers/usb/host/xhci-dwc3.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index ab75fb7..8367ba2 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -15,6 +15,7 @@ #include "xhci.h" #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -114,6 +115,7 @@ static int xhci_dwc3_probe(struct udevice *dev) struct xhci_hcor *hcor; struct xhci_hccr *hccr; struct dwc3 *dwc3_reg; + enum usb_dr_mode dr_mode; hccr = (struct xhci_hccr *)dev_get_addr(dev); hcor = (struct xhci_hcor *)((phys_addr_t)hccr + @@ -123,6 +125,13 @@ static int xhci_dwc3_probe(struct udevice *dev) dwc3_core_init(dwc3_reg); + dr_mode = usb_get_dr_mode(dev_of_offset(dev)); + if (dr_mode == USB_DR_MODE_UNKNOWN) + /* by default set dual role mode to HOST */ + dr_mode = USB_DR_MODE_HOST; + + dwc3_set_mode(dwc3_reg, dr_mode); + return xhci_register(dev, hccr, hcor); } -- 1.9.1