diff options
| author |   Chunfeng Yun <chunfeng.yun@mediatek.com> | 2017-10-13 17:10:38 +0800 |
|---|---|---|
| committer |   Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-10-19 10:38:10 +0300 |
| commit | 076f1a8903d5dadf224f17be63a25bd75d860659 (patch) | |
| tree | 2b71d0c70ab9572287182d16e3abce9bfcb19a28 /drivers/usb/mtu3/mtu3_plat.c | |
| parent | usb: mtu3: fix error return code in ssusb_gadget_init() (diff) | |
| download | wireguard-linux-076f1a8903d5dadf224f17be63a25bd75d860659.tar.xz wireguard-linux-076f1a8903d5dadf224f17be63a25bd75d860659.zip | |
usb: mtu3: support option to disable usb3 ports
Add support to disable specific usb3 ports, it's useful when
usb3 phy is shared with PCIe or SATA, because we should disable
the corresponding usb3 port if the phy is used by PCIe or SATA.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_plat.c')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_plat.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index 088e3e685c4f..9edad30c8ae5 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -276,6 +276,10 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) if (ret) return ret; + /* optional property, ignore the error if it does not exist */ + of_property_read_u32(node, "mediatek,u3p-dis-msk", + &ssusb->u3p_dis_msk); + if (ssusb->dr_mode != USB_DR_MODE_OTG) return 0; @@ -304,8 +308,8 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) } } - dev_info(dev, "dr_mode: %d, is_u3_dr: %d\n", - ssusb->dr_mode, otg_sx->is_u3_drd); + dev_info(dev, "dr_mode: %d, is_u3_dr: %d, u3p_dis_msk:%x\n", + ssusb->dr_mode, otg_sx->is_u3_drd, ssusb->u3p_dis_msk); return 0; } |