diff options
Diffstat (limited to 'drivers/usb/renesas_usbhs')
| -rw-r--r-- | drivers/usb/renesas_usbhs/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.c | 44 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_gadget.c | 2 |
3 files changed, 46 insertions, 1 deletions
diff --git a/drivers/usb/renesas_usbhs/Kconfig b/drivers/usb/renesas_usbhs/Kconfig index 1c4195abc108..de83b9d0cd5c 100644 --- a/drivers/usb/renesas_usbhs/Kconfig +++ b/drivers/usb/renesas_usbhs/Kconfig @@ -5,6 +5,7 @@ config USB_RENESAS_USBHS tristate 'Renesas USBHS controller' depends on USB_GADGET + depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST default n help Renesas USBHS is a discrete USB host and peripheral controller chip diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 1b9bf8d83235..b3b6813ab270 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -18,6 +18,8 @@ #include <linux/gpio.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/sysfs.h> @@ -438,6 +440,43 @@ static int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) /* * platform functions */ +static const struct of_device_id usbhs_of_match[] = { + { + .compatible = "renesas,usbhs-r8a7790", + .data = (void *)USBHS_TYPE_R8A7790, + }, + { + .compatible = "renesas,usbhs-r8a7791", + .data = (void *)USBHS_TYPE_R8A7791, + }, + { }, +}; +MODULE_DEVICE_TABLE(of, usbhs_of_match); + +static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) +{ + struct renesas_usbhs_platform_info *info; + struct renesas_usbhs_driver_param *dparam; + const struct of_device_id *of_id = of_match_device(usbhs_of_match, dev); + u32 tmp; + int gpio; + + info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); + if (!info) + return NULL; + + dparam = &info->driver_param; + dparam->type = of_id ? (u32)of_id->data : 0; + if (!of_property_read_u32(dev->of_node, "renesas,buswait", &tmp)) + dparam->buswait_bwait = tmp; + gpio = of_get_named_gpio_flags(dev->of_node, "renesas,enable-gpio", 0, + NULL); + if (gpio > 0) + dparam->enable_gpio = gpio; + + return info; +} + static int usbhs_probe(struct platform_device *pdev) { struct renesas_usbhs_platform_info *info = dev_get_platdata(&pdev->dev); @@ -446,6 +485,10 @@ static int usbhs_probe(struct platform_device *pdev) struct resource *res, *irq_res; int ret; + /* check device node */ + if (pdev->dev.of_node) + info = pdev->dev.platform_data = usbhs_parse_dt(&pdev->dev); + /* check platform information */ if (!info) { dev_err(&pdev->dev, "no platform information\n"); @@ -689,6 +732,7 @@ static struct platform_driver renesas_usbhs_driver = { .driver = { .name = "renesas_usbhs", .pm = &usbhsc_pm_ops, + .of_match_table = of_match_ptr(usbhs_of_match), }, .probe = usbhs_probe, .remove = usbhs_remove, diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 04e6505777d0..2d17c10a0428 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -129,7 +129,7 @@ static void usbhsg_queue_pop(struct usbhsg_uep *uep, dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe)); ureq->req.status = status; - ureq->req.complete(&uep->ep, &ureq->req); + usb_gadget_giveback_request(&uep->ep, &ureq->req); } static void usbhsg_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) |