Commit 93c2c733 authored by Li Jun's avatar Li Jun Committed by Peter Chen

usb: chipidea: imx: enable vbus and id wakeup only for OTG events

If ID or VBUS is from external block, don't enable its wakeup
because it isn't used at all.
Signed-off-by: default avatarLi Jun <jun.li@nxp.com>
Signed-off-by: default avatarPeter Chen <peter.chen@nxp.com>
parent 72dc8df7
...@@ -433,6 +433,14 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) ...@@ -433,6 +433,14 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
goto err_clk; goto err_clk;
} }
if (!IS_ERR(pdata.id_extcon.edev) ||
of_property_read_bool(np, "usb-role-switch"))
data->usbmisc_data->ext_id = 1;
if (!IS_ERR(pdata.vbus_extcon.edev) ||
of_property_read_bool(np, "usb-role-switch"))
data->usbmisc_data->ext_vbus = 1;
ret = imx_usbmisc_init_post(data->usbmisc_data); ret = imx_usbmisc_init_post(data->usbmisc_data);
if (ret) { if (ret) {
dev_err(dev, "usbmisc post failed, ret=%d\n", ret); dev_err(dev, "usbmisc post failed, ret=%d\n", ret);
......
...@@ -22,6 +22,8 @@ struct imx_usbmisc_data { ...@@ -22,6 +22,8 @@ struct imx_usbmisc_data {
unsigned int evdo:1; /* set external vbus divider option */ unsigned int evdo:1; /* set external vbus divider option */
unsigned int ulpi:1; /* connected to an ULPI phy */ unsigned int ulpi:1; /* connected to an ULPI phy */
unsigned int hsic:1; /* HSIC controlller */ unsigned int hsic:1; /* HSIC controlller */
unsigned int ext_id:1; /* ID from exteranl event */
unsigned int ext_vbus:1; /* Vbus from exteranl event */
}; };
int imx_usbmisc_init(struct imx_usbmisc_data *data); int imx_usbmisc_init(struct imx_usbmisc_data *data);
......
...@@ -100,6 +100,9 @@ ...@@ -100,6 +100,9 @@
#define MX7D_USB_VBUS_WAKEUP_SOURCE_BVALID MX7D_USB_VBUS_WAKEUP_SOURCE(2) #define MX7D_USB_VBUS_WAKEUP_SOURCE_BVALID MX7D_USB_VBUS_WAKEUP_SOURCE(2)
#define MX7D_USB_VBUS_WAKEUP_SOURCE_SESS_END MX7D_USB_VBUS_WAKEUP_SOURCE(3) #define MX7D_USB_VBUS_WAKEUP_SOURCE_SESS_END MX7D_USB_VBUS_WAKEUP_SOURCE(3)
#define MX6_USB_OTG_WAKEUP_BITS (MX6_BM_WAKEUP_ENABLE | MX6_BM_VBUS_WAKEUP | \
MX6_BM_ID_WAKEUP)
struct usbmisc_ops { struct usbmisc_ops {
/* It's called once when probe a usb device */ /* It's called once when probe a usb device */
int (*init)(struct imx_usbmisc_data *data); int (*init)(struct imx_usbmisc_data *data);
...@@ -330,14 +333,25 @@ static int usbmisc_imx53_init(struct imx_usbmisc_data *data) ...@@ -330,14 +333,25 @@ static int usbmisc_imx53_init(struct imx_usbmisc_data *data)
return 0; return 0;
} }
static u32 usbmisc_wakeup_setting(struct imx_usbmisc_data *data)
{
u32 wakeup_setting = MX6_USB_OTG_WAKEUP_BITS;
if (data->ext_id)
wakeup_setting &= ~MX6_BM_ID_WAKEUP;
if (data->ext_vbus)
wakeup_setting &= ~MX6_BM_VBUS_WAKEUP;
return wakeup_setting;
}
static int usbmisc_imx6q_set_wakeup static int usbmisc_imx6q_set_wakeup
(struct imx_usbmisc_data *data, bool enabled) (struct imx_usbmisc_data *data, bool enabled)
{ {
struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev); struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
unsigned long flags; unsigned long flags;
u32 val; u32 val;
u32 wakeup_setting = (MX6_BM_WAKEUP_ENABLE |
MX6_BM_VBUS_WAKEUP | MX6_BM_ID_WAKEUP);
int ret = 0; int ret = 0;
if (data->index > 3) if (data->index > 3)
...@@ -346,11 +360,12 @@ static int usbmisc_imx6q_set_wakeup ...@@ -346,11 +360,12 @@ static int usbmisc_imx6q_set_wakeup
spin_lock_irqsave(&usbmisc->lock, flags); spin_lock_irqsave(&usbmisc->lock, flags);
val = readl(usbmisc->base + data->index * 4); val = readl(usbmisc->base + data->index * 4);
if (enabled) { if (enabled) {
val |= wakeup_setting; val &= ~MX6_USB_OTG_WAKEUP_BITS;
val |= usbmisc_wakeup_setting(data);
} else { } else {
if (val & MX6_BM_WAKEUP_INTR) if (val & MX6_BM_WAKEUP_INTR)
pr_debug("wakeup int at ci_hdrc.%d\n", data->index); pr_debug("wakeup int at ci_hdrc.%d\n", data->index);
val &= ~wakeup_setting; val &= ~MX6_USB_OTG_WAKEUP_BITS;
} }
writel(val, usbmisc->base + data->index * 4); writel(val, usbmisc->base + data->index * 4);
spin_unlock_irqrestore(&usbmisc->lock, flags); spin_unlock_irqrestore(&usbmisc->lock, flags);
...@@ -547,17 +562,17 @@ static int usbmisc_imx7d_set_wakeup ...@@ -547,17 +562,17 @@ static int usbmisc_imx7d_set_wakeup
struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev); struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
unsigned long flags; unsigned long flags;
u32 val; u32 val;
u32 wakeup_setting = (MX6_BM_WAKEUP_ENABLE |
MX6_BM_VBUS_WAKEUP | MX6_BM_ID_WAKEUP);
spin_lock_irqsave(&usbmisc->lock, flags); spin_lock_irqsave(&usbmisc->lock, flags);
val = readl(usbmisc->base); val = readl(usbmisc->base);
if (enabled) { if (enabled) {
writel(val | wakeup_setting, usbmisc->base); val &= ~MX6_USB_OTG_WAKEUP_BITS;
val |= usbmisc_wakeup_setting(data);
writel(val, usbmisc->base);
} else { } else {
if (val & MX6_BM_WAKEUP_INTR) if (val & MX6_BM_WAKEUP_INTR)
dev_dbg(data->dev, "wakeup int\n"); dev_dbg(data->dev, "wakeup int\n");
writel(val & ~wakeup_setting, usbmisc->base); writel(val & ~MX6_USB_OTG_WAKEUP_BITS, usbmisc->base);
} }
spin_unlock_irqrestore(&usbmisc->lock, flags); spin_unlock_irqrestore(&usbmisc->lock, flags);
......
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