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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
commit | 4ba24fef3eb3b142197135223b90ced2f319cd53 (patch) | |
tree | a20c125b27740ec7b4c761b11d801108e1b316b2 /drivers/usb/dwc2/platform.c | |
parent | 47c1ffb2b6b630894e9a16442611c056ab21c057 (diff) | |
parent | 98a4a59ee31a12105a2b84f5b8b515ac2cb208ef (diff) |
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.20.
Diffstat (limited to 'drivers/usb/dwc2/platform.c')
-rw-r--r-- | drivers/usb/dwc2/platform.c | 77 |
1 files changed, 74 insertions, 3 deletions
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index a10e7a353576..6a795aa2ff05 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -40,8 +40,11 @@ #include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/of_device.h> +#include <linux/mutex.h> #include <linux/platform_device.h> +#include <linux/usb/of.h> + #include "core.h" #include "hcd.h" @@ -75,6 +78,34 @@ static const struct dwc2_core_params params_bcm2835 = { .uframe_sched = 0, }; +static const struct dwc2_core_params params_rk3066 = { + .otg_cap = 2, /* non-HNP/non-SRP */ + .otg_ver = -1, + .dma_enable = -1, + .dma_desc_enable = 0, + .speed = -1, + .enable_dynamic_fifo = 1, + .en_multiple_tx_fifo = -1, + .host_rx_fifo_size = 520, /* 520 DWORDs */ + .host_nperio_tx_fifo_size = 128, /* 128 DWORDs */ + .host_perio_tx_fifo_size = 256, /* 256 DWORDs */ + .max_transfer_size = 65535, + .max_packet_count = -1, + .host_channels = -1, + .phy_type = -1, + .phy_utmi_width = -1, + .phy_ulpi_ddr = -1, + .phy_ulpi_ext_vbus = -1, + .i2c_enable = -1, + .ulpi_fs_ls = -1, + .host_support_fs_ls_low_power = -1, + .host_ls_low_power_phy_clk = -1, + .ts_dline = -1, + .reload_ctl = -1, + .ahbcfg = 0x7, /* INCR16 */ + .uframe_sched = -1, +}; + /** * dwc2_driver_remove() - Called when the DWC_otg core is unregistered with the * DWC_otg driver @@ -91,13 +122,16 @@ static int dwc2_driver_remove(struct platform_device *dev) struct dwc2_hsotg *hsotg = platform_get_drvdata(dev); dwc2_hcd_remove(hsotg); + s3c_hsotg_remove(hsotg); return 0; } static const struct of_device_id dwc2_of_match_table[] = { { .compatible = "brcm,bcm2835-usb", .data = ¶ms_bcm2835 }, + { .compatible = "rockchip,rk3066-usb", .data = ¶ms_rk3066 }, { .compatible = "snps,dwc2", .data = NULL }, + { .compatible = "samsung,s3c6400-hsotg", .data = NULL}, {}, }; MODULE_DEVICE_TABLE(of, dwc2_of_match_table); @@ -124,9 +158,6 @@ static int dwc2_driver_probe(struct platform_device *dev) int retval; int irq; - if (usb_disabled()) - return -ENODEV; - match = of_match_device(dwc2_of_match_table, &dev->dev); if (match && match->data) { params = match->data; @@ -163,6 +194,14 @@ static int dwc2_driver_probe(struct platform_device *dev) return irq; } + dev_dbg(hsotg->dev, "registering common handler for irq%d\n", + irq); + retval = devm_request_irq(hsotg->dev, irq, + dwc2_handle_common_intr, IRQF_SHARED, + dev_name(hsotg->dev), hsotg); + if (retval) + return retval; + res = platform_get_resource(dev, IORESOURCE_MEM, 0); hsotg->regs = devm_ioremap_resource(&dev->dev, res); if (IS_ERR(hsotg->regs)) @@ -171,6 +210,13 @@ static int dwc2_driver_probe(struct platform_device *dev) dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n", (unsigned long)res->start, hsotg->regs); + hsotg->dr_mode = of_usb_get_dr_mode(dev->dev.of_node); + + spin_lock_init(&hsotg->lock); + mutex_init(&hsotg->init_mutex); + retval = dwc2_gadget_init(hsotg, irq); + if (retval) + return retval; retval = dwc2_hcd_init(hsotg, irq, params); if (retval) return retval; @@ -180,10 +226,35 @@ static int dwc2_driver_probe(struct platform_device *dev) return retval; } +static int __maybe_unused dwc2_suspend(struct device *dev) +{ + struct dwc2_hsotg *dwc2 = dev_get_drvdata(dev); + int ret = 0; + + if (dwc2_is_device_mode(dwc2)) + ret = s3c_hsotg_suspend(dwc2); + return ret; +} + +static int __maybe_unused dwc2_resume(struct device *dev) +{ + struct dwc2_hsotg *dwc2 = dev_get_drvdata(dev); + int ret = 0; + + if (dwc2_is_device_mode(dwc2)) + ret = s3c_hsotg_resume(dwc2); + return ret; +} + +static const struct dev_pm_ops dwc2_dev_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(dwc2_suspend, dwc2_resume) +}; + static struct platform_driver dwc2_platform_driver = { .driver = { .name = dwc2_driver_name, .of_match_table = dwc2_of_match_table, + .pm = &dwc2_dev_pm_ops, }, .probe = dwc2_driver_probe, .remove = dwc2_driver_remove, |