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| author | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2021-02-02 19:54:13 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-02-04 11:26:45 +0100 |
| commit | 9ccf645bfaee366acd8dbd6b270717dae94f5347 (patch) | |
| tree | 86bd48140e83608b56a7283e059657a58efc72af /drivers | |
| parent | eb2ad9a793c7d00988e399b9b7a1ebb2a0d85b3f (diff) | |
| download | barebox-9ccf645bfaee366acd8dbd6b270717dae94f5347.tar.gz barebox-9ccf645bfaee366acd8dbd6b270717dae94f5347.tar.xz | |
usb: imx: add overcurrent polarity handling on i.MX6
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/imx/imx-usb-misc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c index 660ebecd78..c16b4cf0ab 100644 --- a/drivers/usb/imx/imx-usb-misc.c +++ b/drivers/usb/imx/imx-usb-misc.c @@ -379,8 +379,15 @@ static __maybe_unused int mx6_initialize_usb_hw(void __iomem *base, int port, case 0: case 1: val = readl(base + MX6_USB_CTRL(port)); - if (flags & MXC_EHCI_DISABLE_OVERCURRENT) + if (flags & MXC_EHCI_DISABLE_OVERCURRENT) { val |= MX6_USB_CTRL_OVER_CUR_DIS; + } else { + val &= ~MX6_USB_CTRL_OVER_CUR_DIS; + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + val |= MX6_USB_CTRL_OVER_CUR_ACT_LOW; + else + val &= ~MX6_USB_CTRL_OVER_CUR_ACT_LOW; + } if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) val |= MX6_USB_CTRL_PWR_POLARITY; writel(val, base + MX6_USB_CTRL(port)); |