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path: root/drivers/usb/chipidea
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Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/ci.h14
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c8
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.h1
-rw-r--r--drivers/usb/chipidea/ci_hdrc_msm.c7
-rw-r--r--drivers/usb/chipidea/core.c14
-rw-r--r--drivers/usb/chipidea/host.c3
-rw-r--r--drivers/usb/chipidea/udc.c6
-rw-r--r--drivers/usb/chipidea/usbmisc_imx.c52
8 files changed, 79 insertions, 26 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index 9563cb56d564..ea40626e0246 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -99,10 +99,10 @@ enum ci_role {
/**
* struct ci_role_driver - host/gadget role driver
- * start: start this role
- * stop: stop this role
- * irq: irq handler for this role
- * name: role name string (host/gadget)
+ * @start: start this role
+ * @stop: stop this role
+ * @irq: irq handler for this role
+ * @name: role name string (host/gadget)
*/
struct ci_role_driver {
int (*start)(struct ci_hdrc *);
@@ -245,6 +245,7 @@ static inline void ci_role_stop(struct ci_hdrc *ci)
/**
* hw_read: reads from a hw register
+ * @ci: the controller
* @reg: register index
* @mask: bitfield mask
*
@@ -277,6 +278,7 @@ static inline void __hw_write(struct ci_hdrc *ci, u32 val,
/**
* hw_write: writes to a hw register
+ * @ci: the controller
* @reg: register index
* @mask: bitfield mask
* @data: new value
@@ -293,6 +295,7 @@ static inline void hw_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
/**
* hw_test_and_clear: tests & clears a hw register
+ * @ci: the controller
* @reg: register index
* @mask: bitfield mask
*
@@ -309,6 +312,7 @@ static inline u32 hw_test_and_clear(struct ci_hdrc *ci, enum ci_hw_regs reg,
/**
* hw_test_and_write: tests & writes a hw register
+ * @ci: the controller
* @reg: register index
* @mask: bitfield mask
* @data: new value
@@ -327,6 +331,8 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
/**
* ci_otg_is_fsm_mode: runtime check if otg controller
* is in otg fsm mode.
+ *
+ * @ci: chipidea device
*/
static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci)
{
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 65444b02bd68..a7ab0f15926e 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -54,6 +54,7 @@ struct ci_hdrc_imx_data {
static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
{
+ struct platform_device *misc_pdev;
struct device_node *np = dev->of_node;
struct of_phandle_args args;
struct imx_usbmisc_data *data;
@@ -79,8 +80,15 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
}
data->index = args.args[0];
+
+ misc_pdev = of_find_device_by_node(args.np);
of_node_put(args.np);
+ if (!misc_pdev)
+ return ERR_PTR(-EPROBE_DEFER);
+
+ data->dev = &misc_pdev->dev;
+
if (of_find_property(np, "disable-over-current", NULL))
data->disable_oc = 1;
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.h b/drivers/usb/chipidea/ci_hdrc_imx.h
index 996ec93467b2..4ed828f75a1e 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.h
+++ b/drivers/usb/chipidea/ci_hdrc_imx.h
@@ -13,6 +13,7 @@
#define __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H
struct imx_usbmisc_data {
+ struct device *dev;
int index;
unsigned int disable_oc:1; /* over current detect disabled */
diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index d72b9d2de2c5..4935ac38fd00 100644
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -20,13 +20,13 @@
static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
{
struct device *dev = ci->gadget.dev.parent;
- int val;
switch (event) {
case CI_HDRC_CONTROLLER_RESET_EVENT:
dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n");
writel(0, USB_AHBBURST);
writel(0, USB_AHBMODE);
+ usb_phy_init(ci->transceiver);
break;
case CI_HDRC_CONTROLLER_STOPPED_EVENT:
dev_dbg(dev, "CI_HDRC_CONTROLLER_STOPPED_EVENT received\n");
@@ -34,10 +34,7 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
* Put the transceiver in non-driving mode. Otherwise host
* may not detect soft-disconnection.
*/
- val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL);
- val &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
- val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
- usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL);
+ usb_phy_notify_disconnect(ci->transceiver, USB_SPEED_UNKNOWN);
break;
default:
dev_dbg(dev, "unknown ci_hdrc event\n");
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 619d13e29995..3df5005c554d 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -139,6 +139,8 @@ static int hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm)
/**
* hw_read_intr_enable: returns interrupt enable register
*
+ * @ci: the controller
+ *
* This function returns register data
*/
u32 hw_read_intr_enable(struct ci_hdrc *ci)
@@ -149,6 +151,8 @@ u32 hw_read_intr_enable(struct ci_hdrc *ci)
/**
* hw_read_intr_status: returns interrupt status register
*
+ * @ci: the controller
+ *
* This function returns register data
*/
u32 hw_read_intr_status(struct ci_hdrc *ci)
@@ -176,6 +180,8 @@ int hw_port_test_set(struct ci_hdrc *ci, u8 mode)
/**
* hw_port_test_get: reads port test mode value
*
+ * @ci: the controller
+ *
* This function returns port test mode value
*/
u8 hw_port_test_get(struct ci_hdrc *ci)
@@ -295,7 +301,7 @@ static void hw_phymode_configure(struct ci_hdrc *ci)
/**
* ci_usb_phy_init: initialize phy according to different phy type
* @ci: the controller
- *
+ *
* This function returns an error code if usb_phy_init has failed
*/
static int ci_usb_phy_init(struct ci_hdrc *ci)
@@ -473,6 +479,10 @@ static int ci_get_platdata(struct device *dev,
PTR_ERR(platdata->reg_vbus));
return PTR_ERR(platdata->reg_vbus);
}
+ /* Get TPL support */
+ if (!platdata->tpl_support)
+ platdata->tpl_support =
+ of_usb_host_tpl_support(dev->of_node);
}
if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL)
@@ -658,7 +668,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
goto deinit_phy;
}
- if (ci->is_otg) {
+ if (ci->is_otg && ci->roles[CI_ROLE_GADGET]) {
/* Disable and clear all OTG irq */
hw_write_otgsc(ci, OTGSC_INT_EN_BITS | OTGSC_INT_STATUS_BITS,
OTGSC_INT_STATUS_BITS);
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index a93d950e9468..ebde7b6ce687 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -59,7 +59,8 @@ static int host_start(struct ci_hdrc *ci)
hcd->has_tt = 1;
hcd->power_budget = ci->platdata->power_budget;
- hcd->phy = ci->transceiver;
+ hcd->usb_phy = ci->transceiver;
+ hcd->tpl_support = ci->platdata->tpl_support;
ehci = hcd_to_ehci(hcd);
ehci->caps = ci->hw_bank.cap;
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index b8125aa64ad8..0444d3f8971a 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -627,7 +627,7 @@ __acquires(hwep->lock)
if (hwreq->req.complete != NULL) {
spin_unlock(hwep->lock);
- hwreq->req.complete(&hwep->ep, &hwreq->req);
+ usb_gadget_giveback_request(&hwep->ep, &hwreq->req);
spin_lock(hwep->lock);
}
}
@@ -922,7 +922,7 @@ __acquires(hwep->lock)
if ((hwep->type == USB_ENDPOINT_XFER_CONTROL) &&
hwreq->req.length)
hweptemp = hwep->ci->ep0in;
- hwreq->req.complete(&hweptemp->ep, &hwreq->req);
+ usb_gadget_giveback_request(&hweptemp->ep, &hwreq->req);
spin_lock(hwep->lock);
}
}
@@ -1347,7 +1347,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
if (hwreq->req.complete != NULL) {
spin_unlock(hwep->lock);
- hwreq->req.complete(&hwep->ep, &hwreq->req);
+ usb_gadget_giveback_request(&hwep->ep, &hwreq->req);
spin_lock(hwep->lock);
}
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 85293b8b1df9..926c997ef310 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -57,6 +57,8 @@
#define MX6_BM_OVER_CUR_DIS BIT(7)
+#define VF610_OVER_CUR_DIS BIT(7)
+
struct usbmisc_ops {
/* It's called once when probe a usb device */
int (*init)(struct imx_usbmisc_data *data);
@@ -71,10 +73,9 @@ struct imx_usbmisc {
const struct usbmisc_ops *ops;
};
-static struct imx_usbmisc *usbmisc;
-
static int usbmisc_imx25_init(struct imx_usbmisc_data *data)
{
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
unsigned long flags;
u32 val = 0;
@@ -108,6 +109,7 @@ static int usbmisc_imx25_init(struct imx_usbmisc_data *data)
static int usbmisc_imx25_post(struct imx_usbmisc_data *data)
{
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
void __iomem *reg;
unsigned long flags;
u32 val;
@@ -130,6 +132,7 @@ static int usbmisc_imx25_post(struct imx_usbmisc_data *data)
static int usbmisc_imx27_init(struct imx_usbmisc_data *data)
{
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
unsigned long flags;
u32 val;
@@ -160,6 +163,7 @@ static int usbmisc_imx27_init(struct imx_usbmisc_data *data)
static int usbmisc_imx53_init(struct imx_usbmisc_data *data)
{
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
void __iomem *reg = NULL;
unsigned long flags;
u32 val = 0;
@@ -204,6 +208,7 @@ static int usbmisc_imx53_init(struct imx_usbmisc_data *data)
static int usbmisc_imx6q_init(struct imx_usbmisc_data *data)
{
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
unsigned long flags;
u32 reg;
@@ -221,6 +226,26 @@ static int usbmisc_imx6q_init(struct imx_usbmisc_data *data)
return 0;
}
+static int usbmisc_vf610_init(struct imx_usbmisc_data *data)
+{
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
+ u32 reg;
+
+ /*
+ * Vybrid only has one misc register set, but in two different
+ * areas. These is reflected in two instances of this driver.
+ */
+ if (data->index >= 1)
+ return -EINVAL;
+
+ if (data->disable_oc) {
+ reg = readl(usbmisc->base);
+ writel(reg | VF610_OVER_CUR_DIS, usbmisc->base);
+ }
+
+ return 0;
+}
+
static const struct usbmisc_ops imx25_usbmisc_ops = {
.init = usbmisc_imx25_init,
.post = usbmisc_imx25_post,
@@ -238,10 +263,14 @@ static const struct usbmisc_ops imx6q_usbmisc_ops = {
.init = usbmisc_imx6q_init,
};
+static const struct usbmisc_ops vf610_usbmisc_ops = {
+ .init = usbmisc_vf610_init,
+};
+
int imx_usbmisc_init(struct imx_usbmisc_data *data)
{
- if (!usbmisc)
- return -EPROBE_DEFER;
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
+
if (!usbmisc->ops->init)
return 0;
return usbmisc->ops->init(data);
@@ -250,8 +279,8 @@ EXPORT_SYMBOL_GPL(imx_usbmisc_init);
int imx_usbmisc_init_post(struct imx_usbmisc_data *data)
{
- if (!usbmisc)
- return -EPROBE_DEFER;
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
+
if (!usbmisc->ops->post)
return 0;
return usbmisc->ops->post(data);
@@ -283,6 +312,10 @@ static const struct of_device_id usbmisc_imx_dt_ids[] = {
.compatible = "fsl,imx6q-usbmisc",
.data = &imx6q_usbmisc_ops,
},
+ {
+ .compatible = "fsl,vf610-usbmisc",
+ .data = &vf610_usbmisc_ops,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, usbmisc_imx_dt_ids);
@@ -294,9 +327,6 @@ static int usbmisc_imx_probe(struct platform_device *pdev)
int ret;
struct of_device_id *tmp_dev;
- if (usbmisc)
- return -EBUSY;
-
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -325,15 +355,15 @@ static int usbmisc_imx_probe(struct platform_device *pdev)
tmp_dev = (struct of_device_id *)
of_match_device(usbmisc_imx_dt_ids, &pdev->dev);
data->ops = (const struct usbmisc_ops *)tmp_dev->data;
- usbmisc = data;
+ platform_set_drvdata(pdev, data);
return 0;
}
static int usbmisc_imx_remove(struct platform_device *pdev)
{
+ struct imx_usbmisc *usbmisc = dev_get_drvdata(&pdev->dev);
clk_disable_unprepare(usbmisc->clk);
- usbmisc = NULL;
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-08 19:12:17 +0300