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path: root/drivers/usb/misc/onboard_usb_hub.c
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Diffstat (limited to 'drivers/usb/misc/onboard_usb_hub.c')
-rw-r--r--drivers/usb/misc/onboard_usb_hub.c41
1 files changed, 33 insertions, 8 deletions
diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 83f14ca1d38e..3da1a4659c5f 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -27,6 +27,17 @@
#include "onboard_usb_hub.h"
+/*
+ * Use generic names, as the actual names might differ between hubs. If a new
+ * hub requires more than the currently supported supplies, add a new one here.
+ */
+static const char * const supply_names[] = {
+ "vdd",
+ "vdd2",
+};
+
+#define MAX_SUPPLIES ARRAY_SIZE(supply_names)
+
static void onboard_hub_attach_usb_driver(struct work_struct *work);
static struct usb_device_driver onboard_hub_usbdev_driver;
@@ -40,7 +51,7 @@ struct usbdev_node {
};
struct onboard_hub {
- struct regulator *vdd;
+ struct regulator_bulk_data supplies[MAX_SUPPLIES];
struct device *dev;
const struct onboard_hub_pdata *pdata;
struct gpio_desc *reset_gpio;
@@ -55,9 +66,9 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
{
int err;
- err = regulator_enable(hub->vdd);
+ err = regulator_bulk_enable(hub->pdata->num_supplies, hub->supplies);
if (err) {
- dev_err(hub->dev, "failed to enable regulator: %d\n", err);
+ dev_err(hub->dev, "failed to enable supplies: %d\n", err);
return err;
}
@@ -75,9 +86,9 @@ static int onboard_hub_power_off(struct onboard_hub *hub)
gpiod_set_value_cansleep(hub->reset_gpio, 1);
- err = regulator_disable(hub->vdd);
+ err = regulator_bulk_disable(hub->pdata->num_supplies, hub->supplies);
if (err) {
- dev_err(hub->dev, "failed to disable regulator: %d\n", err);
+ dev_err(hub->dev, "failed to disable supplies: %d\n", err);
return err;
}
@@ -232,6 +243,7 @@ static int onboard_hub_probe(struct platform_device *pdev)
const struct of_device_id *of_id;
struct device *dev = &pdev->dev;
struct onboard_hub *hub;
+ unsigned int i;
int err;
hub = devm_kzalloc(dev, sizeof(*hub), GFP_KERNEL);
@@ -246,9 +258,18 @@ static int onboard_hub_probe(struct platform_device *pdev)
if (!hub->pdata)
return -EINVAL;
- hub->vdd = devm_regulator_get(dev, "vdd");
- if (IS_ERR(hub->vdd))
- return PTR_ERR(hub->vdd);
+ if (hub->pdata->num_supplies > MAX_SUPPLIES)
+ return dev_err_probe(dev, -EINVAL, "max %zu supplies supported!\n",
+ MAX_SUPPLIES);
+
+ for (i = 0; i < hub->pdata->num_supplies; i++)
+ hub->supplies[i].supply = supply_names[i];
+
+ err = devm_regulator_bulk_get(dev, hub->pdata->num_supplies, hub->supplies);
+ if (err) {
+ dev_err(dev, "Failed to get regulator supplies: %d\n", err);
+ return err;
+ }
hub->reset_gpio = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_HIGH);
@@ -329,6 +350,7 @@ static struct platform_driver onboard_hub_driver = {
/************************** USB driver **************************/
+#define VENDOR_ID_CYPRESS 0x04b4
#define VENDOR_ID_GENESYS 0x05e3
#define VENDOR_ID_MICROCHIP 0x0424
#define VENDOR_ID_REALTEK 0x0bda
@@ -407,8 +429,11 @@ static void onboard_hub_usbdev_disconnect(struct usb_device *udev)
}
static const struct usb_device_id onboard_hub_id_table[] = {
+ { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6504) }, /* CYUSB33{0,1,2}x/CYUSB230x 3.0 */
+ { USB_DEVICE(VENDOR_ID_CYPRESS, 0x6506) }, /* CYUSB33{0,1,2}x/CYUSB230x 2.0 */
{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0608) }, /* Genesys Logic GL850G USB 2.0 */
{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0610) }, /* Genesys Logic GL852G USB 2.0 */
+ { USB_DEVICE(VENDOR_ID_GENESYS, 0x0620) }, /* Genesys Logic GL3523 USB 3.1 */
{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2514) }, /* USB2514B USB 2.0 */
{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2517) }, /* USB2517 USB 2.0 */
{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0411) }, /* RTS5411 USB 3.1 */