diff options
Diffstat (limited to 'drivers/usb')
28 files changed, 167 insertions, 33 deletions
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 48ac6e781ba2..cbd8f5f80596 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -44,7 +44,7 @@ config USB_ARCH_HAS_EHCI default y if PPC_MPC512x default y if ARCH_IXP4XX default y if ARCH_W90X900 - default y if ARCH_AT91SAM9G45 + default y if ARCH_AT91 default y if ARCH_MXC default y if ARCH_OMAP3 default y if ARCH_CNS3XXX diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 26c0b75f152e..2633f7595116 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -137,7 +137,7 @@ choice config USB_AT91 tristate "Atmel AT91 USB Device Port" - depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91SAM9G45 + depends on ARCH_AT91 help Many Atmel AT91 processors (such as the AT91RM2000) have a full speed USB Device Port with support for five configurable diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c index 2204a4c68d85..77779271f487 100644 --- a/drivers/usb/gadget/amd5536udc.c +++ b/drivers/usb/gadget/amd5536udc.c @@ -54,7 +54,6 @@ #include <linux/prefetch.h> #include <asm/byteorder.h> -#include <asm/system.h> #include <asm/unaligned.h> /* gadget stack */ diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 2db5f68f7960..0c935d7c65bd 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -29,12 +29,13 @@ #include <linux/clk.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +#include <linux/of.h> +#include <linux/of_gpio.h> #include <asm/byteorder.h> #include <mach/hardware.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/gpio.h> #include <mach/board.h> @@ -1707,7 +1708,27 @@ static void at91udc_shutdown(struct platform_device *dev) spin_unlock_irqrestore(&udc->lock, flags); } -static int __init at91udc_probe(struct platform_device *pdev) +static void __devinit at91udc_of_init(struct at91_udc *udc, + struct device_node *np) +{ + struct at91_udc_data *board = &udc->board; + u32 val; + enum of_gpio_flags flags; + + if (of_property_read_u32(np, "atmel,vbus-polled", &val) == 0) + board->vbus_polled = 1; + + board->vbus_pin = of_get_named_gpio_flags(np, "atmel,vbus-gpio", 0, + &flags); + board->vbus_active_low = (flags & OF_GPIO_ACTIVE_LOW) ? 1 : 0; + + board->pullup_pin = of_get_named_gpio_flags(np, "atmel,pullup-gpio", 0, + &flags); + + board->pullup_active_low = (flags & OF_GPIO_ACTIVE_LOW) ? 1 : 0; +} + +static int __devinit at91udc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct at91_udc *udc; @@ -1742,7 +1763,11 @@ static int __init at91udc_probe(struct platform_device *pdev) /* init software state */ udc = &controller; udc->gadget.dev.parent = dev; - udc->board = *(struct at91_udc_data *) dev->platform_data; + if (pdev->dev.of_node) + at91udc_of_init(udc, pdev->dev.of_node); + else + memcpy(&udc->board, dev->platform_data, + sizeof(struct at91_udc_data)); udc->pdev = pdev; udc->enabled = 0; spin_lock_init(&udc->lock); @@ -1971,6 +1996,15 @@ static int at91udc_resume(struct platform_device *pdev) #define at91udc_resume NULL #endif +#if defined(CONFIG_OF) +static const struct of_device_id at91_udc_dt_ids[] = { + { .compatible = "atmel,at91rm9200-udc" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, at91_udc_dt_ids); +#endif + static struct platform_driver at91_udc_driver = { .remove = __exit_p(at91udc_remove), .shutdown = at91udc_shutdown, @@ -1979,6 +2013,7 @@ static struct platform_driver at91_udc_driver = { .driver = { .name = (char *) driver_name, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(at91_udc_dt_ids), }, }; diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index e1cd56c5e2a8..a6dfd2164166 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -44,7 +44,6 @@ #include <asm/byteorder.h> #include <linux/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> #define DRIVER_DESC "USB Host+Gadget Emulator" diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index b30e21fdbb1b..5f94e79cd6b9 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -43,7 +43,6 @@ #include <asm/byteorder.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/unaligned.h> #include <asm/dma.h> diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index e1dfd32dc805..e151d6b87dee 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -43,7 +43,6 @@ #include <asm/byteorder.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index edd52d963f14..f9cedd52cf20 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -32,7 +32,6 @@ #include <linux/pm.h> #include <linux/io.h> #include <linux/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> #include "langwell_udc.h" diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 19bbe80c2f8c..a73cf406e2a4 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -34,7 +34,6 @@ #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/platform_data/mv_usb.h> -#include <asm/system.h> #include <asm/unaligned.h> #include "mv_udc.h" diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index 01ae56f47174..43ac7482fa91 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -42,7 +42,6 @@ #include <linux/usb/gadget.h> #include <asm/byteorder.h> -#include <asm/system.h> #include <asm/unaligned.h> #include "net2272.h" diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index a5ccabc37f30..ac335af154ba 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -59,7 +59,6 @@ #include <asm/byteorder.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index b44830df593e..3b4b6dd0f95a 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -40,7 +40,6 @@ #include <asm/byteorder.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> #include <asm/mach-types.h> diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index d83134b0f78a..4e4dc1f5f388 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -34,7 +34,6 @@ #include <asm/byteorder.h> #include <linux/io.h> #include <linux/irq.h> -#include <asm/system.h> #include <linux/uaccess.h> #include <asm/unaligned.h> diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index 1b33634f2736..41ed69c96d8c 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -41,7 +41,6 @@ #include <asm/byteorder.h> #include <asm/dma.h> #include <asm/gpio.h> -#include <asm/system.h> #include <asm/mach-types.h> #include <asm/unaligned.h> diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c index d3cdffea9c8a..73a934a170d1 100644 --- a/drivers/usb/gadget/rndis.c +++ b/drivers/usb/gadget/rndis.c @@ -34,7 +34,6 @@ #include <asm/io.h> #include <asm/byteorder.h> -#include <asm/system.h> #include <asm/unaligned.h> diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index ab9c65e2c1d5..195524cde6c3 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -37,7 +37,6 @@ #include <asm/byteorder.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> #include <mach/irqs.h> diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index a5a3ef1f0096..19f318ababa2 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -13,6 +13,7 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <linux/of_platform.h> /* interface and function clocks */ static struct clk *iclk, *fclk; @@ -115,6 +116,8 @@ static const struct hc_driver ehci_atmel_hc_driver = { .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; +static u64 at91_ehci_dma_mask = DMA_BIT_MASK(32); + static int __devinit ehci_atmel_drv_probe(struct platform_device *pdev) { struct usb_hcd *hcd; @@ -137,6 +140,13 @@ static int __devinit ehci_atmel_drv_probe(struct platform_device *pdev) goto fail_create_hcd; } + /* Right now device-tree probed devices don't get dma_mask set. + * Since shared usb code relies on it, set it here for now. + * Once we have dma capability bindings this can go away. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &at91_ehci_dma_mask; + hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) { retval = -ENOMEM; @@ -225,9 +235,21 @@ static int __devexit ehci_atmel_drv_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id atmel_ehci_dt_ids[] = { + { .compatible = "atmel,at91sam9g45-ehci" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, atmel_ehci_dt_ids); +#endif + static struct platform_driver ehci_atmel_driver = { .probe = ehci_atmel_drv_probe, .remove = __devexit_p(ehci_atmel_drv_remove), .shutdown = usb_hcd_platform_shutdown, - .driver.name = "atmel-ehci", + .driver = { + .name = "atmel-ehci", + .of_match_table = of_match_ptr(atmel_ehci_dt_ids), + }, }; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index aede6374e4b6..057cdda7a489 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -45,7 +45,6 @@ #include <asm/byteorder.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> #if defined(CONFIG_PPC_PS3) diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 924880087a74..9e65e3091c8a 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -70,7 +70,6 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/byteorder.h> #include "isp116x.h" diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 9e63cdf1ab75..2ed112d3e159 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -84,7 +84,6 @@ #include <linux/prefetch.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/byteorder.h> #include <asm/unaligned.h> diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 8e855eb0bf89..db8963f5fbce 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -14,6 +14,8 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <linux/of_platform.h> +#include <linux/of_gpio.h> #include <mach/hardware.h> #include <asm/gpio.h> @@ -477,13 +479,109 @@ static irqreturn_t ohci_hcd_at91_overcurrent_irq(int irq, void *data) return IRQ_HANDLED; } +#ifdef CONFIG_OF +static const struct of_device_id at91_ohci_dt_ids[] = { + { .compatible = "atmel,at91rm9200-ohci" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, at91_ohci_dt_ids); + +static u64 at91_ohci_dma_mask = DMA_BIT_MASK(32); + +static int __devinit ohci_at91_of_init(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + int i, ret, gpio; + enum of_gpio_flags flags; + struct at91_usbh_data *pdata; + u32 ports; + + if (!np) + return 0; + + /* Right now device-tree probed devices don't get dma_mask set. + * Since shared usb code relies on it, set it here for now. + * Once we have dma capability bindings this can go away. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &at91_ohci_dma_mask; + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + if (!of_property_read_u32(np, "num-ports", &ports)) + pdata->ports = ports; + + for (i = 0; i < 2; i++) { + gpio = of_get_named_gpio_flags(np, "atmel,vbus-gpio", i, &flags); + pdata->vbus_pin[i] = gpio; + if (!gpio_is_valid(gpio)) + continue; + pdata->vbus_pin_active_low[i] = flags & OF_GPIO_ACTIVE_LOW; + ret = gpio_request(gpio, "ohci_vbus"); + if (ret) { + dev_warn(&pdev->dev, "can't request vbus gpio %d", gpio); + continue; + } + ret = gpio_direction_output(gpio, !(flags & OF_GPIO_ACTIVE_LOW) ^ 1); + if (ret) + dev_warn(&pdev->dev, "can't put vbus gpio %d as output %d", + !(flags & OF_GPIO_ACTIVE_LOW) ^ 1, gpio); + } + + for (i = 0; i < 2; i++) { + gpio = of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags); + pdata->overcurrent_pin[i] = gpio; + if (!gpio_is_valid(gpio)) + continue; + ret = gpio_request(gpio, "ohci_overcurrent"); + if (ret) { + dev_err(&pdev->dev, "can't request overcurrent gpio %d", gpio); + continue; + } + + ret = gpio_direction_input(gpio); + if (ret) { + dev_err(&pdev->dev, "can't configure overcurrent gpio %d as input", gpio); + continue; + } + + ret = request_irq(gpio_to_irq(gpio), + ohci_hcd_at91_overcurrent_irq, + IRQF_SHARED, "ohci_overcurrent", pdev); + if (ret) { + gpio_free(gpio); + dev_warn(& pdev->dev, "cannot get GPIO IRQ for overcurrent\n"); + } + } + + pdev->dev.platform_data = pdata; + + return 0; +} +#else +static int __devinit ohci_at91_of_init(struct platform_device *pdev) +{ + return 0; +} +#endif + /*-------------------------------------------------------------------------*/ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) { - struct at91_usbh_data *pdata = pdev->dev.platform_data; + struct at91_usbh_data *pdata; int i; + i = ohci_at91_of_init(pdev); + + if (i) + return i; + + pdata = pdev->dev.platform_data; + if (pdata) { for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) { if (!gpio_is_valid(pdata->vbus_pin[i])) @@ -596,5 +694,6 @@ static struct platform_driver ohci_hcd_at91_driver = { .driver = { .name = "at91_ohci", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(at91_ohci_dt_ids), }, }; diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 543e90e336b8..235171f29460 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -42,7 +42,6 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> #include <asm/byteorder.h> diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index 015c7c62ed49..3b38030b02a8 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -40,7 +40,6 @@ #include <linux/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/unaligned.h> #include <linux/irq.h> diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 2a2cce2d2fa7..91ce1c02e617 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -51,7 +51,6 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/byteorder.h> #include <asm/unaligned.h> diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 16dd6a6abf00..dbbd1ba25224 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -55,7 +55,6 @@ #include <linux/mutex.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/byteorder.h> /* FIXME ohci.h is ONLY for internal use by the OHCI driver. diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index e37dea87bb56..e4db350602b8 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -45,7 +45,6 @@ #include <asm/uaccess.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include "uhci-hcd.h" diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index 97cb45916c43..d05c7fbbb703 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -115,12 +115,12 @@ static bool ux500_configure_channel(struct dma_channel *channel, slave_conf.dst_addr = usb_fifo_addr; slave_conf.dst_addr_width = addr_width; slave_conf.dst_maxburst = 16; + slave_conf.device_fc = false; dma_chan->device->device_control(dma_chan, DMA_SLAVE_CONFIG, (unsigned long) &slave_conf); - dma_desc = dma_chan->device-> - device_prep_slave_sg(dma_chan, &sg, 1, direction, + dma_desc = dmaengine_prep_slave_sg(dma_chan, &sg, 1, direction, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!dma_desc) return false; diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 3648c82a17fe..6ec7f838d7fa 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -786,9 +786,8 @@ static void xfer_work(struct work_struct *work) sg_dma_address(&sg) = pkt->dma + pkt->actual; sg_dma_len(&sg) = pkt->trans; - desc = chan->device->device_prep_slave_sg(chan, &sg, 1, dir, - DMA_PREP_INTERRUPT | - DMA_CTRL_ACK); + desc = dmaengine_prep_slave_sg(chan, &sg, 1, dir, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc) return; |