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From: Michael Grzeschik <m.grzeschik@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 2/2] usb: imx: add overcurrent polarity handling on i.MX6
Date: Tue,  2 Feb 2021 19:54:13 +0100	[thread overview]
Message-ID: <20210202185413.18332-2-m.grzeschik@pengutronix.de> (raw)
In-Reply-To: <20210202185413.18332-1-m.grzeschik@pengutronix.de>

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
---
 drivers/usb/imx/imx-usb-misc.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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));
-- 
2.30.0


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  reply	other threads:[~2021-02-02 18:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02 18:54 [PATCH 1/2] usb: imx: fix overcurrent polarity handling on i.MX7 Michael Grzeschik
2021-02-02 18:54 ` Michael Grzeschik [this message]
2021-02-04 10:28 ` Sascha Hauer

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