From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-x243.google.com ([2607:f8b0:400e:c00::243]) by casper.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cQy40-0002m6-0W for barebox@lists.infradead.org; Tue, 10 Jan 2017 15:10:17 +0000 Received: by mail-pf0-x243.google.com with SMTP id b22so13009435pfd.3 for ; Tue, 10 Jan 2017 07:09:54 -0800 (PST) From: Andrey Smirnov Date: Tue, 10 Jan 2017 07:09:12 -0800 Message-Id: <20170110150913.31416-20-andrew.smirnov@gmail.com> In-Reply-To: <20170110150913.31416-1-andrew.smirnov@gmail.com> References: <20170110150913.31416-1-andrew.smirnov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 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 v3 19/20] i.MX: imx-usb-misc: Add Vybrid support To: barebox@lists.infradead.org Cc: Andrey Smirnov Add code to do usbmisc initialization on VF610 family of SoCs. Based on analogous code from Linux kernel. Signed-off-by: Andrey Smirnov --- drivers/usb/imx/imx-usb-misc.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c index 7c18ca2..9cae440 100644 --- a/drivers/usb/imx/imx-usb-misc.c +++ b/drivers/usb/imx/imx-usb-misc.c @@ -422,6 +422,28 @@ static __maybe_unused struct imx_usb_misc_data mx6_data = { .post_init = mx6_post_init, }; +#define VF610_OVER_CUR_DIS BIT(7) + +static __maybe_unused int vf610_initialize_usb_hw(void __iomem *base, int port, + unsigned int flags) +{ + u32 reg; + + if (port >= 1) + return -EINVAL; + + if (flags & MXC_EHCI_DISABLE_OVERCURRENT) { + reg = readl(base); + writel(reg | VF610_OVER_CUR_DIS, base); + } + + return 0; +} + +static __maybe_unused struct imx_usb_misc_data vf610_data = { + .init = vf610_initialize_usb_hw, +}; + static struct platform_device_id imx_usbmisc_ids[] = { #ifdef CONFIG_ARCH_IMX25 { @@ -519,6 +541,12 @@ static __maybe_unused struct of_device_id imx_usbmisc_dt_ids[] = { .data = &mx6_data, }, #endif +#ifdef CONFIG_ARCH_VF610 + { + .compatible = "fsl,vf610-usbmisc", + .data = &vf610_data, + }, +#endif { /* sentinel */ }, -- 2.9.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox