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yaml
---
r: 364502
b: refs/heads/master
c: f0c910b
h: refs/heads/master
v: v3
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Michael Grzeschik authored and Greg Kroah-Hartman committed Mar 30, 2013
1 parent c2ca9f3 commit 73a5929
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Showing 2 changed files with 55 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e609108a5ba70ecf3b1b6a7e09e5a56244e92926
refs/heads/master: f0c910b63cc273c239964776fae1aaa58ed4ad2b
54 changes: 54 additions & 0 deletions trunk/drivers/usb/chipidea/usbmisc_imx.c
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,13 @@

#define USB_DEV_MAX 4

#define MX53_USB_OTG_PHY_CTRL_0_OFFSET 0x08
#define MX53_USB_UH2_CTRL_OFFSET 0x14
#define MX53_USB_UH3_CTRL_OFFSET 0x18
#define MX53_BM_OVER_CUR_DIS_H1 BIT(5)
#define MX53_BM_OVER_CUR_DIS_OTG BIT(8)
#define MX53_BM_OVER_CUR_DIS_UHx BIT(30)

#define MX6_BM_OVER_CUR_DIS BIT(7)

struct imx_usbmisc {
Expand Down Expand Up @@ -52,6 +59,45 @@ 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 = NULL;
unsigned long flags;
u32 val = 0;

usbdev = get_usbdev(dev);
if (IS_ERR(usbdev))
return PTR_ERR(usbdev);

if (usbdev->disable_oc) {
spin_lock_irqsave(&usbmisc->lock, flags);
switch (usbdev->index) {
case 0:
reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
val = readl(reg) | MX53_BM_OVER_CUR_DIS_OTG;
break;
case 1:
reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
val = readl(reg) | MX53_BM_OVER_CUR_DIS_H1;
break;
case 2:
reg = usbmisc->base + MX53_USB_UH2_CTRL_OFFSET;
val = readl(reg) | MX53_BM_OVER_CUR_DIS_UHx;
break;
case 3:
reg = usbmisc->base + MX53_USB_UH3_CTRL_OFFSET;
val = readl(reg) | MX53_BM_OVER_CUR_DIS_UHx;
break;
}
if (reg && val)
writel(val, reg);
spin_unlock_irqrestore(&usbmisc->lock, flags);
}

return 0;
}

static int usbmisc_imx6q_init(struct device *dev)
{

Expand All @@ -74,11 +120,19 @@ 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 = &imx53_usbmisc_ops,
},
{
.compatible = "fsl,imx6q-usbmisc",
.data = &imx6q_usbmisc_ops,
Expand Down

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