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| author | Lucas Stach <l.stach@pengutronix.de> | 2020-11-23 16:29:30 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-24 09:51:20 +0100 |
| commit | e0d09287eaad036a673f30a27dfb952df93da1a9 (patch) | |
| tree | a4ab62c101f4f09b3563b619c96b0430603c645e | |
| parent | 4ba7d06d114cfd74a0638f47796a30067dc83e4c (diff) | |
| download | barebox-e0d09287eaad036a673f30a27dfb952df93da1a9.tar.gz barebox-e0d09287eaad036a673f30a27dfb952df93da1a9.tar.xz | |
usb: imx: add support for setting power pin polarity on i.MX6/7
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/usb/imx/imx-usb-misc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c index 3a5ec236e5..b663d073aa 100644 --- a/drivers/usb/imx/imx-usb-misc.c +++ b/drivers/usb/imx/imx-usb-misc.c @@ -354,6 +354,7 @@ static __maybe_unused struct imx_usb_misc_data mx5_data = { #define MX6_USB_CTRL(n) ((n) * 4) #define MX6_USB_CTRL_OVER_CUR_DIS (1 << 7) #define MX6_USB_CTRL_OVER_CUR_ACT_HIGH (1 << 8) +#define MX6_USB_CTRL_PWR_POLARITY (1 << 9) static void mx6_hsic_pullup(unsigned long reg, int on) { @@ -380,6 +381,8 @@ static __maybe_unused int mx6_initialize_usb_hw(void __iomem *base, int port, val = readl(base + MX6_USB_CTRL(port)); if (flags & MXC_EHCI_DISABLE_OVERCURRENT) val |= MX6_USB_CTRL_OVER_CUR_DIS; + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + val |= MX6_USB_CTRL_PWR_POLARITY; writel(val, base + MX6_USB_CTRL(port)); break; case 2: /* HSIC port */ @@ -454,6 +457,8 @@ static int usbmisc_imx7d_init(void __iomem *base, int port, else reg |= MX6_USB_CTRL_OVER_CUR_ACT_HIGH; } + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + reg |= MX6_USB_CTRL_PWR_POLARITY; writel(reg, base); reg = readl(base + MX7D_USBNC_USB_CTRL2); |