diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-01 17:06:09 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-01 17:06:09 -0700 |
commit | 3e75c6de1ac33fe3500f44573d9212dc82c99f59 (patch) | |
tree | ef10932e204ba8a9885051b06d4524d284207d61 /drivers/usb | |
parent | cb1595563880a81dab6eab9a5ecb4520d2e76077 (diff) | |
parent | 940ab8f1ef9369da5b58a1bec6820bfd4a7b9042 (diff) |
Merge tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big USB pull request for 3.15-rc1.
The normal set of patches, lots of controller driver updates, and a
smattering of individual USB driver updates as well.
All have been in linux-next for a while"
* tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (249 commits)
xhci: Transition maintainership to Mathias Nyman.
USB: disable reset-resume when USB_QUIRK_RESET is set
USB: unbind all interfaces before rebinding any
usb: phy: Add ulpi IDs for SMSC USB3320 and TI TUSB1210
usb: gadget: tcm_usb_gadget: stop format strings
usb: gadget: f_fs: add missing spinlock and mutex unlock
usb: gadget: composite: switch over to ERR_CAST()
usb: gadget: inode: switch over to memdup_user()
usb: gadget: f_subset: switch over to PTR_RET
usb: gadget: lpc32xx_udc: fix wrong clk_put() sequence
USB: keyspan: remove dead debugging code
USB: serial: add missing newlines to dev_<level> messages.
USB: serial: add missing braces
USB: serial: continue to write on errors
USB: serial: continue to read on errors
USB: serial: make bulk_out_size a lower limit
USB: cypress_m8: fix potential scheduling while atomic
devicetree: bindings: document lsi,zevio-usb
usb: chipidea: add support for USB OTG controller on LSI Zevio SoCs
usb: chipidea: imx: Use dev_name() for ci_hdrc name to distinguish USBs
...
Diffstat (limited to 'drivers/usb')
98 files changed, 4112 insertions, 2155 deletions
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 2e6b832e004b..e0cad4418085 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -2,10 +2,6 @@ # USB device configuration # -# These are unused now, remove them once they are no longer selected -config USB_ARCH_HAS_OHCI - bool - config USB_OHCI_BIG_ENDIAN_DESC bool @@ -17,18 +13,12 @@ config USB_OHCI_LITTLE_ENDIAN default n if STB03xxx || PPC_MPC52xx default y -config USB_ARCH_HAS_EHCI - bool - config USB_EHCI_BIG_ENDIAN_MMIO bool config USB_EHCI_BIG_ENDIAN_DESC bool -config USB_ARCH_HAS_XHCI - bool - menuconfig USB_SUPPORT bool "USB support" depends on HAS_IOMEM diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile index 7345d2115af2..480bd4d5710a 100644 --- a/drivers/usb/chipidea/Makefile +++ b/drivers/usb/chipidea/Makefile @@ -10,6 +10,7 @@ ci_hdrc-$(CONFIG_USB_CHIPIDEA_DEBUG) += debug.o # Glue/Bridge layers go here obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc_msm.o +obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc_zevio.o # PCI doesn't provide stubs, need to check ifneq ($(CONFIG_PCI),) diff --git a/drivers/usb/chipidea/bits.h b/drivers/usb/chipidea/bits.h index a85713165688..83d06c1455b7 100644 --- a/drivers/usb/chipidea/bits.h +++ b/drivers/usb/chipidea/bits.h @@ -50,12 +50,14 @@ #define PORTSC_PTC (0x0FUL << 16) #define PORTSC_PHCD(d) ((d) ? BIT(22) : BIT(23)) /* PTS and PTW for non lpm version only */ +#define PORTSC_PFSC BIT(24) #define PORTSC_PTS(d) \ (u32)((((d) & 0x3) << 30) | (((d) & 0x4) ? BIT(25) : 0)) #define PORTSC_PTW BIT(28) #define PORTSC_STS BIT(29) /* DEVLC */ +#define DEVLC_PFSC BIT(23) #define DEVLC_PSPD (0x03UL << 25) #define DEVLC_PSPD_HS (0x02UL << 25) #define DEVLC_PTW BIT(27) diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index 88b80f7728e4..e206406ae1d9 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -196,8 +196,6 @@ struct ci_hdrc { struct ci_hdrc_platform_data *platdata; int vbus_active; - /* FIXME: some day, we'll not use global phy */ - bool global_phy; struct usb_phy *transceiver; struct usb_hcd *hcd; struct dentry *debugfs; diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index c00f77257d36..2e58f8dfd311 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -96,7 +96,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) { struct ci_hdrc_imx_data *data; struct ci_hdrc_platform_data pdata = { - .name = "ci_hdrc_imx", + .name = dev_name(&pdev->dev), .capoffset = DEF_CAPOFFSET, .flags = CI_HDRC_REQUIRE_TRANSCEIVER | CI_HDRC_DISABLE_STREAMING, diff --git a/drivers/usb/chipidea/ci_hdrc_zevio.c b/drivers/usb/chipidea/ci_hdrc_zevio.c new file mode 100644 index 000000000000..3bf6489ef5ec --- /dev/null +++ b/drivers/usb/chipidea/ci_hdrc_zevio.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + * Based off drivers/usb/chipidea/ci_hdrc_msm.c + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/usb/gadget.h> +#include <linux/usb/chipidea.h> + +#include "ci.h" + +static struct ci_hdrc_platform_data ci_hdrc_zevio_platdata = { + .name = "ci_hdrc_zevio", + .flags = CI_HDRC_REGS_SHARED, + .capoffset = DEF_CAPOFFSET, +}; + +static int ci_hdrc_zevio_probe(struct platform_device *pdev) +{ + struct platform_device *ci_pdev; + + dev_dbg(&pdev->dev, "ci_hdrc_zevio_probe\n"); + + ci_pdev = ci_hdrc_add_device(&pdev->dev, + pdev->resource, pdev->num_resources, + &ci_hdrc_zevio_platdata); + + if (IS_ERR(ci_pdev)) { + dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n"); + return PTR_ERR(ci_pdev); + } + + platform_set_drvdata(pdev, ci_pdev); + + return 0; +} + +static int ci_hdrc_zevio_remove(struct platform_device *pdev) +{ + struct platform_device *ci_pdev = platform_get_drvdata(pdev); + + ci_hdrc_remove_device(ci_pdev); + + return 0; +} + +static const struct of_device_id ci_hdrc_zevio_dt_ids[] = { + { .compatible = "lsi,zevio-usb", }, + { /* sentinel */ } +}; + +static struct platform_driver ci_hdrc_zevio_driver = { + .probe = ci_hdrc_zevio_probe, + .remove = ci_hdrc_zevio_remove, + .driver = { + .name = "zevio_usb", + .owner = THIS_MODULE, + .of_match_table = ci_hdrc_zevio_dt_ids, + }, +}; + +MODULE_DEVICE_TABLE(of, ci_hdrc_zevio_dt_ids); +module_platform_driver(ci_hdrc_zevio_driver); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 33f22bc6ad7f..ca6831c5b763 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -64,6 +64,7 @@ #include <linux/usb/otg.h> #include <linux/usb/chipidea.h> #include <linux/usb/of.h> +#include <linux/of.h> #include <linux/phy.h> #include <linux/regulator/consumer.h> @@ -298,6 +299,13 @@ int hw_device_reset(struct ci_hdrc *ci, u32 mode) if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING) hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS); + if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED) { + if (ci->hw_bank.lpm) + hw_write(ci, OP_DEVLC, DEVLC_PFSC, DEVLC_PFSC); + else + hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC); + } + /* USBMODE should be configured step by step */ hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE); hw_write(ci, OP_USBMODE, USBMODE_CM, mode); @@ -412,6 +420,9 @@ static int ci_get_platdata(struct device *dev, } } + if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL) + platdata->flags |= CI_HDRC_FORCE_FULLSPEED; + return 0; } @@ -496,33 +507,6 @@ static void ci_get_otg_capable(struct ci_hdrc *ci) } } -static int ci_usb_phy_init(struct ci_hdrc *ci) -{ - if (ci->platdata->phy) { - ci->transceiver = ci->platdata->phy; - return usb_phy_init(ci->transceiver); - } else { - ci->global_phy = true; - ci->transceiver = usb_get_phy(USB_PHY_TYPE_USB2); - if (IS_ERR(ci->transceiver)) - ci->transceiver = NULL; - - return 0; - } -} - -static void ci_usb_phy_destroy(struct ci_hdrc *ci) -{ - if (!ci->transceiver) - return; - - otg_set_peripheral(ci->transceiver->otg, NULL); - if (ci->global_phy) - usb_put_phy(ci->transceiver); - else - usb_phy_shutdown(ci->transceiver); -} - static int ci_hdrc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -532,7 +516,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) int ret; enum usb_dr_mode dr_mode; - if (!dev->platform_data) { + if (!dev_get_platdata(dev)) { dev_err(dev, "platform data missing\n"); return -ENODEV; } @@ -549,7 +533,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) } ci->dev = dev; - ci->platdata = dev->platform_data; + ci->platdata = dev_get_platdata(dev); ci->imx28_write_fix = !!(ci->platdata->flags & CI_HDRC_IMX28_WRITE_FIX); @@ -561,7 +545,26 @@ static int ci_hdrc_probe(struct platform_device *pdev) hw_phymode_configure(ci); - ret = ci_usb_phy_init(ci); + if (ci->platdata->phy) + ci->transceiver = ci->platdata->phy; + else + ci->transceiver = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); + + if (IS_ERR(ci->transceiver)) { + ret = PTR_ERR(ci->transceiver); + /* + * if -ENXIO is returned, it means PHY layer wasn't + * enabled, so it makes no sense to return -EPROBE_DEFER + * in that case, since no PHY driver will ever probe. + */ + if (ret == -ENXIO) + return ret; + + dev_err(dev, "no usb2 phy configured\n"); + return -EPROBE_DEFER; + } + + ret = usb_phy_init(ci->transceiver); if (ret) { dev_err(dev, "unable to init phy: %d\n", ret); return ret; @@ -572,8 +575,8 @@ static int ci_hdrc_probe(struct platform_device *pdev) ci->irq = platform_get_irq(pdev, 0); if (ci->irq < 0) { dev_err(dev, "missing IRQ\n"); - ret = -ENODEV; - goto destroy_phy; + ret = ci->irq; + goto deinit_phy; } ci_get_otg_capable(ci); @@ -590,23 +593,12 @@ static int ci_hdrc_probe(struct platform_device *pdev) ret = ci_hdrc_gadget_init(ci); if (ret) dev_info(dev, "doesn't support gadget\n"); - if (!ret && ci->transceiver) { - ret = otg_set_peripheral(ci->transceiver->otg, - &ci->gadget); - /* - * If we implement all USB functions using chipidea drivers, - * it doesn't need to call above API, meanwhile, if we only - * use gadget function, calling above API is useless. - */ - if (ret && ret != -ENOTSUPP) - goto destroy_phy; - } } if (!ci->roles[CI_ROLE_HOST] && !ci->roles[CI_ROLE_GADGET]) { dev_err(dev, "no supported roles\n"); ret = -ENODEV; - goto destroy_phy; + goto deinit_phy; |