[PATCH 5/6] usb: chipidea: usbmisc: add mx53 support
From: Michael Grzeschik <hidden>
Date: 2012-11-14 11:55:36
Also in:
linux-devicetree
Subsystem:
chipidea usb high speed dual role controller, the rest, usb subsystem · Maintainers:
Peter Chen, Linus Torvalds, Greg Kroah-Hartman
This adds mx53 as the next user of the usbmisc driver and makes it possible to disable the overcurrent-detection of the internal phy. Signed-off-by: Michael Grzeschik <redacted> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> --- drivers/usb/chipidea/usbmisc_imx.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 239b752..4ddc872 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c@@ -54,6 +54,29 @@ static struct usbmisc_usb_device *get_usbdev(struct device *dev) return &usbmisc->usbdev[i]; } +static int usbmisc_imx53_init(struct device *dev) +{ + struct usbmisc_usb_device *usbdev; + void __iomem *reg; + unsigned long flags; + u32 val; + + usbdev = get_usbdev(dev); + if (IS_ERR(usbdev)) + return PTR_ERR(usbdev); + + reg = usbmisc->base + usbdev->index * 8; + + if (usbdev->disable_oc) { + spin_lock_irqsave(&usbmisc->lock, flags); + val = readl(reg); + writel(val | (1 << 5), reg); + spin_unlock_irqrestore(&usbmisc->lock, flags); + } + + return 0; +} + static int usbmisc_imx6q_init(struct device *dev) {
@@ -76,11 +99,16 @@ static int usbmisc_imx6q_init(struct device *dev) return 0; } +static const struct usbmisc_ops imx53_usbmisc_ops = { + .init = usbmisc_imx53_init, +}; + static const struct usbmisc_ops imx6q_usbmisc_ops = { .init = usbmisc_imx6q_init, }; static const struct of_device_id usbmisc_imx_dt_ids[] = { + { .compatible = "fsl,imx53-usbmisc", .data = (void *)&imx53_usbmisc_ops }, { .compatible = "fsl,imx6q-usbmisc", .data = (void *)&imx6q_usbmisc_ops }, { /* sentinel */ } };
--
1.7.10.4