From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1khDmZ-0007GN-0t for barebox@lists.infradead.org; Mon, 23 Nov 2020 15:29:36 +0000 Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1khDmV-0005MR-VZ for barebox@lists.infradead.org; Mon, 23 Nov 2020 16:29:32 +0100 From: Lucas Stach Date: Mon, 23 Nov 2020 16:29:30 +0100 Message-Id: <20201123152931.4480-1-l.stach@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/2] usb: imx: add support for setting power pin polarity on i.MX6/7 To: barebox@lists.infradead.org Signed-off-by: Lucas Stach --- drivers/usb/imx/imx-usb-misc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c index 3a5ec236e532..b663d073aa88 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); -- 2.20.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox