| Message ID | 1337070219-3630-7-git-send-email-marex@denx.de |
|---|---|
| State | New |
| Headers | show |
On Tue, May 15, 2012 at 10:23:37AM +0200, Marek Vasut wrote: > This codes connects the CI13xxx driver with the core found inside of > the Freescale i.MX244/i.MX28 CPU. > > Signed-off-by: Marek Vasut <marex@denx.de> > Cc: Alan Stern <stern@rowland.harvard.edu> > Cc: Detlev Zundel <dzu@denx.de> > CC: Dong Aisheng <b29396@freescale.com> > CC: Fabio Estevam <fabio.estevam@freescale.com> > Cc: Felipe Balbi <balbi@ti.com> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Cc: Linux ARM kernel <linux-arm-kernel@lists.infradead.org> > Cc: linux-i2c@vger.kernel.org > CC: Sascha Hauer <s.hauer@pengutronix.de> > CC: Shawn Guo <shawn.guo@linaro.org> > Cc: Stefano Babic <sbabic@denx.de> > CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> > Cc: Wolfgang Denk <wd@denx.de> > Cc: Wolfram Sang <w.sang@pengutronix.de> > --- > drivers/usb/chipidea/Makefile | 4 + > drivers/usb/chipidea/ci13xxx_mxs.c | 201 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 205 insertions(+) > create mode 100644 drivers/usb/chipidea/ci13xxx_mxs.c > > diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile > index cc34937..266d57d 100644 > --- a/drivers/usb/chipidea/Makefile > +++ b/drivers/usb/chipidea/Makefile > @@ -12,3 +12,7 @@ endif > ifneq ($(CONFIG_ARCH_MSM),) > obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_msm.o > endif > + > +ifneq ($(CONFIG_ARCH_MXS),) > + obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_mxs.o > +endif NAK... let it compile everywhere. > diff --git a/drivers/usb/chipidea/ci13xxx_mxs.c b/drivers/usb/chipidea/ci13xxx_mxs.c > new file mode 100644 > index 0000000..fcca90b > --- /dev/null > +++ b/drivers/usb/chipidea/ci13xxx_mxs.c > @@ -0,0 +1,201 @@ > +/* > + * drivers/usb/chipidea/ci13xxx_mxs.c > + * > + * Freescale i.MX233/i.MX28 USB glue driver to CI13xxx core. > + * > + * Copyright (C) 2012 Marek Vasut <marex@denx.de> > + * on behalf of DENX Software Engineering GmbH > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#include <linux/module.h> > +#include <linux/platform_device.h> > +#include <linux/pm_runtime.h> > +#include <linux/clk.h> > +#include <linux/dma-mapping.h> > + > +#include <linux/usb.h> > +#include <linux/usb/chipidea.h> > +#include <linux/usb/ch9.h> > +#include <linux/usb/otg.h> > +#include <linux/usb/gadget.h> > +#include <linux/usb/hcd.h> > +#include <linux/usb/ehci_def.h> > + > +#include <linux/usb/mxs-usb.h> > + > +#include "ci.h" > + > +static void ci13xxx_mxs_notify(struct ci13xxx *ci, unsigned event) > +{ > + uint32_t status; > + struct usb_phy *phy; > + struct mxs_ci13xxx_phy_notify notify; > + > + phy = usb_get_transceiver(); > + if (!phy) > + return; > + > + if (event != CI13XXX_CONTROLLER_HOST_IRQ_EVENT) > + return; > + > + status = hw_read(ci, OP_USBSTS, ~0); > + > + notify.discon = status & STS_PCD; > + > + usb_phy_notify(phy, ¬ify); > +} > + > +static struct ci13xxx_udc_driver ci13xxx_mxs_udc_driver = { > + .name = "ci13xxx_mxs", > + .flags = /*CI13XXX_REGS_SHARED |*/ > + CI13XXX_REQUIRE_TRANSCEIVER | > + CI13XXX_PULLUP_ON_VBUS | > + CI13XXX_DISABLE_STREAMING, > + .capoffset = 0x100, > + .notify_event = ci13xxx_mxs_notify, > +}; > + > +struct ci13xxx_mxs_data { > + struct clk *clk; > + struct platform_device *pdev; > +}; > + > +static int __devinit ci13xxx_mxs_probe(struct platform_device *pdev) > +{ > + struct ci13xxx_mxs_data *data; > + int ret; > + struct usb_phy *phy; > + > + phy = usb_get_transceiver(); > + if (!phy) > + return -EPROBE_DEFER; > + > + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); > + if (!data) { > + dev_err(&pdev->dev, "Failed to allocate CI13xxx-MXS data!\n"); > + return -ENOMEM; > + } > + > + ret = usb_phy_init(phy); > + if (ret) { > + dev_err(&pdev->dev, "Failed to initialize PHY!\n"); > + return -EINVAL; > + } > + > + data->pdev = platform_device_alloc("ci_hdrc", -1); > + if (!data->pdev) { > + dev_err(&pdev->dev, > + "Failed to allocate ci_hdrc platform device!\n"); > + ret = -ENOMEM; > + goto put_phy; > + } > + > + /* Add DMA mask */ > + data->pdev->dev.dma_mask = devm_kzalloc(&pdev->dev, > + sizeof(*data->pdev->dev.dma_mask), > + GFP_KERNEL); > + if (!data->pdev->dev.dma_mask) { > + ret = -ENOMEM; > + goto put_platform; > + } > + > + *data->pdev->dev.dma_mask = DMA_BIT_MASK(32); > + data->pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); why don't you just point to the parent's ?
Dear Felipe Balbi, > On Tue, May 15, 2012 at 10:23:37AM +0200, Marek Vasut wrote: > > This codes connects the CI13xxx driver with the core found inside of > > the Freescale i.MX244/i.MX28 CPU. > > > > Signed-off-by: Marek Vasut <marex@denx.de> > > Cc: Alan Stern <stern@rowland.harvard.edu> > > Cc: Detlev Zundel <dzu@denx.de> > > CC: Dong Aisheng <b29396@freescale.com> > > CC: Fabio Estevam <fabio.estevam@freescale.com> > > Cc: Felipe Balbi <balbi@ti.com> > > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > > Cc: Linux ARM kernel <linux-arm-kernel@lists.infradead.org> > > Cc: linux-i2c@vger.kernel.org > > CC: Sascha Hauer <s.hauer@pengutronix.de> > > CC: Shawn Guo <shawn.guo@linaro.org> > > Cc: Stefano Babic <sbabic@denx.de> > > CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> > > Cc: Wolfgang Denk <wd@denx.de> > > Cc: Wolfram Sang <w.sang@pengutronix.de> > > --- > > > > drivers/usb/chipidea/Makefile | 4 + > > drivers/usb/chipidea/ci13xxx_mxs.c | 201 > > ++++++++++++++++++++++++++++++++++++ 2 files changed, 205 insertions(+) > > create mode 100644 drivers/usb/chipidea/ci13xxx_mxs.c > > > > diff --git a/drivers/usb/chipidea/Makefile > > b/drivers/usb/chipidea/Makefile index cc34937..266d57d 100644 > > --- a/drivers/usb/chipidea/Makefile > > +++ b/drivers/usb/chipidea/Makefile > > @@ -12,3 +12,7 @@ endif > > > > ifneq ($(CONFIG_ARCH_MSM),) > > > > obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_msm.o > > > > endif > > > > + > > +ifneq ($(CONFIG_ARCH_MXS),) > > + obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_mxs.o > > +endif > > NAK... let it compile everywhere. I just followed the pattern here, honestly I think this is quite OK so far. Further improvements can be made indeed. > > diff --git a/drivers/usb/chipidea/ci13xxx_mxs.c > > b/drivers/usb/chipidea/ci13xxx_mxs.c new file mode 100644 > > index 0000000..fcca90b > > --- /dev/null > > +++ b/drivers/usb/chipidea/ci13xxx_mxs.c > > @@ -0,0 +1,201 @@ > > +/* > > + * drivers/usb/chipidea/ci13xxx_mxs.c > > + * > > + * Freescale i.MX233/i.MX28 USB glue driver to CI13xxx core. > > + * > > + * Copyright (C) 2012 Marek Vasut <marex@denx.de> > > + * on behalf of DENX Software Engineering GmbH > > + * > > + * This program is free software; you can redistribute it and/or modify > > + * it under the terms of the GNU General Public License as published by > > + * the Free Software Foundation; either version 2 of the License, or > > + * (at your option) any later version. > > + * > > + * This program is distributed in the hope that it will be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + * > > + * You should have received a copy of the GNU General Public License > > + * along with this program; if not, write to the Free Software > > + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > > + */ > > + > > +#include <linux/module.h> > > +#include <linux/platform_device.h> > > +#include <linux/pm_runtime.h> > > +#include <linux/clk.h> > > +#include <linux/dma-mapping.h> > > + > > +#include <linux/usb.h> > > +#include <linux/usb/chipidea.h> > > +#include <linux/usb/ch9.h> > > +#include <linux/usb/otg.h> > > +#include <linux/usb/gadget.h> > > +#include <linux/usb/hcd.h> > > +#include <linux/usb/ehci_def.h> > > + > > +#include <linux/usb/mxs-usb.h> > > + > > +#include "ci.h" > > + > > +static void ci13xxx_mxs_notify(struct ci13xxx *ci, unsigned event) > > +{ > > + uint32_t status; > > + struct usb_phy *phy; > > + struct mxs_ci13xxx_phy_notify notify; > > + > > + phy = usb_get_transceiver(); > > + if (!phy) > > + return; > > + > > + if (event != CI13XXX_CONTROLLER_HOST_IRQ_EVENT) > > + return; > > + > > + status = hw_read(ci, OP_USBSTS, ~0); > > + > > + notify.discon = status & STS_PCD; > > + > > + usb_phy_notify(phy, ¬ify); > > +} > > + > > +static struct ci13xxx_udc_driver ci13xxx_mxs_udc_driver = { > > + .name = "ci13xxx_mxs", > > + .flags = /*CI13XXX_REGS_SHARED |*/ > > + CI13XXX_REQUIRE_TRANSCEIVER | > > + CI13XXX_PULLUP_ON_VBUS | > > + CI13XXX_DISABLE_STREAMING, > > + .capoffset = 0x100, > > + .notify_event = ci13xxx_mxs_notify, > > +}; > > + > > +struct ci13xxx_mxs_data { > > + struct clk *clk; > > + struct platform_device *pdev; > > +}; > > + > > +static int __devinit ci13xxx_mxs_probe(struct platform_device *pdev) > > +{ > > + struct ci13xxx_mxs_data *data; > > + int ret; > > + struct usb_phy *phy; > > + > > + phy = usb_get_transceiver(); > > + if (!phy) > > + return -EPROBE_DEFER; > > + > > + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); > > + if (!data) { > > + dev_err(&pdev->dev, "Failed to allocate CI13xxx-MXS data!\n"); > > + return -ENOMEM; > > + } > > + > > + ret = usb_phy_init(phy); > > + if (ret) { > > + dev_err(&pdev->dev, "Failed to initialize PHY!\n"); > > + return -EINVAL; > > + } > > + > > + data->pdev = platform_device_alloc("ci_hdrc", -1); > > + if (!data->pdev) { > > + dev_err(&pdev->dev, > > + "Failed to allocate ci_hdrc platform device!\n"); > > + ret = -ENOMEM; > > + goto put_phy; > > + } > > + > > + /* Add DMA mask */ > > + data->pdev->dev.dma_mask = devm_kzalloc(&pdev->dev, > > + sizeof(*data->pdev->dev.dma_mask), > > + GFP_KERNEL); > > + if (!data->pdev->dev.dma_mask) { > > + ret = -ENOMEM; > > + goto put_platform; > > + } > > + > > + *data->pdev->dev.dma_mask = DMA_BIT_MASK(32); > > + data->pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); > > why don't you just point to the parent's ? Good idea, thanks :)
On Wed, May 16, 2012 at 03:41:17PM +0200, Marek Vasut wrote: > Dear Felipe Balbi, > > > On Tue, May 15, 2012 at 10:23:37AM +0200, Marek Vasut wrote: > > > This codes connects the CI13xxx driver with the core found inside of > > > the Freescale i.MX244/i.MX28 CPU. > > > > > > Signed-off-by: Marek Vasut <marex@denx.de> > > > Cc: Alan Stern <stern@rowland.harvard.edu> > > > Cc: Detlev Zundel <dzu@denx.de> > > > CC: Dong Aisheng <b29396@freescale.com> > > > CC: Fabio Estevam <fabio.estevam@freescale.com> > > > Cc: Felipe Balbi <balbi@ti.com> > > > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > > > Cc: Linux ARM kernel <linux-arm-kernel@lists.infradead.org> > > > Cc: linux-i2c@vger.kernel.org > > > CC: Sascha Hauer <s.hauer@pengutronix.de> > > > CC: Shawn Guo <shawn.guo@linaro.org> > > > Cc: Stefano Babic <sbabic@denx.de> > > > CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> > > > Cc: Wolfgang Denk <wd@denx.de> > > > Cc: Wolfram Sang <w.sang@pengutronix.de> > > > --- > > > > > > drivers/usb/chipidea/Makefile | 4 + > > > drivers/usb/chipidea/ci13xxx_mxs.c | 201 > > > ++++++++++++++++++++++++++++++++++++ 2 files changed, 205 insertions(+) > > > create mode 100644 drivers/usb/chipidea/ci13xxx_mxs.c > > > > > > diff --git a/drivers/usb/chipidea/Makefile > > > b/drivers/usb/chipidea/Makefile index cc34937..266d57d 100644 > > > --- a/drivers/usb/chipidea/Makefile > > > +++ b/drivers/usb/chipidea/Makefile > > > @@ -12,3 +12,7 @@ endif > > > > > > ifneq ($(CONFIG_ARCH_MSM),) > > > > > > obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_msm.o > > > > > > endif > > > > > > + > > > +ifneq ($(CONFIG_ARCH_MXS),) > > > + obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_mxs.o > > > +endif > > > > NAK... let it compile everywhere. > > I just followed the pattern here, honestly I think this is quite OK so far. > Further improvements can be made indeed. why introduce something we know will change ? Just make sure your code compiles everywhere. What's already there can be changed afterwards. > > > + *data->pdev->dev.dma_mask = DMA_BIT_MASK(32); > > > + data->pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); > > > > why don't you just point to the parent's ? > > Good idea, thanks :) no problem ;-)
diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile index cc34937..266d57d 100644 --- a/drivers/usb/chipidea/Makefile +++ b/drivers/usb/chipidea/Makefile @@ -12,3 +12,7 @@ endif ifneq ($(CONFIG_ARCH_MSM),) obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_msm.o endif + +ifneq ($(CONFIG_ARCH_MXS),) + obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_mxs.o +endif diff --git a/drivers/usb/chipidea/ci13xxx_mxs.c b/drivers/usb/chipidea/ci13xxx_mxs.c new file mode 100644 index 0000000..fcca90b --- /dev/null +++ b/drivers/usb/chipidea/ci13xxx_mxs.c @@ -0,0 +1,201 @@ +/* + * drivers/usb/chipidea/ci13xxx_mxs.c + * + * Freescale i.MX233/i.MX28 USB glue driver to CI13xxx core. + * + * Copyright (C) 2012 Marek Vasut <marex@denx.de> + * on behalf of DENX Software Engineering GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/clk.h> +#include <linux/dma-mapping.h> + +#include <linux/usb.h> +#include <linux/usb/chipidea.h> +#include <linux/usb/ch9.h> +#include <linux/usb/otg.h> +#include <linux/usb/gadget.h> +#include <linux/usb/hcd.h> +#include <linux/usb/ehci_def.h> + +#include <linux/usb/mxs-usb.h> + +#include "ci.h" + +static void ci13xxx_mxs_notify(struct ci13xxx *ci, unsigned event) +{ + uint32_t status; + struct usb_phy *phy; + struct mxs_ci13xxx_phy_notify notify; + + phy = usb_get_transceiver(); + if (!phy) + return; + + if (event != CI13XXX_CONTROLLER_HOST_IRQ_EVENT) + return; + + status = hw_read(ci, OP_USBSTS, ~0); + + notify.discon = status & STS_PCD; + + usb_phy_notify(phy, ¬ify); +} + +static struct ci13xxx_udc_driver ci13xxx_mxs_udc_driver = { + .name = "ci13xxx_mxs", + .flags = /*CI13XXX_REGS_SHARED |*/ + CI13XXX_REQUIRE_TRANSCEIVER | + CI13XXX_PULLUP_ON_VBUS | + CI13XXX_DISABLE_STREAMING, + .capoffset = 0x100, + .notify_event = ci13xxx_mxs_notify, +}; + +struct ci13xxx_mxs_data { + struct clk *clk; + struct platform_device *pdev; +}; + +static int __devinit ci13xxx_mxs_probe(struct platform_device *pdev) +{ + struct ci13xxx_mxs_data *data; + int ret; + struct usb_phy *phy; + + phy = usb_get_transceiver(); + if (!phy) + return -EPROBE_DEFER; + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) { + dev_err(&pdev->dev, "Failed to allocate CI13xxx-MXS data!\n"); + return -ENOMEM; + } + + ret = usb_phy_init(phy); + if (ret) { + dev_err(&pdev->dev, "Failed to initialize PHY!\n"); + return -EINVAL; + } + + data->pdev = platform_device_alloc("ci_hdrc", -1); + if (!data->pdev) { + dev_err(&pdev->dev, + "Failed to allocate ci_hdrc platform device!\n"); + ret = -ENOMEM; + goto put_phy; + } + + /* Add DMA mask */ + data->pdev->dev.dma_mask = devm_kzalloc(&pdev->dev, + sizeof(*data->pdev->dev.dma_mask), + GFP_KERNEL); + if (!data->pdev->dev.dma_mask) { + ret = -ENOMEM; + goto put_platform; + } + + *data->pdev->dev.dma_mask = DMA_BIT_MASK(32); + data->pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + + ret = platform_device_add_resources(data->pdev, pdev->resource, + pdev->num_resources); + if (ret) { + dev_err(&pdev->dev, + "Failed to add resources to platform device!\n"); + goto put_platform; + } + + ret = platform_device_add_data(data->pdev, &ci13xxx_mxs_udc_driver, + sizeof(ci13xxx_mxs_udc_driver)); + if (ret) { + dev_err(&pdev->dev, + "Failed to add platform data to platform device!\n"); + goto put_platform; + } + + /* Claim the Host clock. */ + data->clk = clk_get(&pdev->dev, "usb"); + if (IS_ERR(data->clk)) { + dev_err(&pdev->dev, "Failed to claim clock for USB Host\n"); + ret = PTR_ERR(data->clk); + goto put_platform; + } + + /* Prepare Host clock. */ + ret = clk_prepare_enable(data->clk); + if (ret) { + dev_err(&pdev->dev, "Failed to enable clock for USB Host.\n"); + goto put_clk; + } + + ret = platform_device_add(data->pdev); + if (ret) + goto put_clk; + + dev_set_drvdata(&pdev->dev, data); + + pm_runtime_no_callbacks(&pdev->dev); + pm_runtime_enable(&pdev->dev); + + return 0; + +put_clk: + clk_put(data->clk); +put_platform: + platform_device_put(data->pdev); +put_phy: + usb_phy_shutdown(phy); + return ret; +} + +static int __devexit ci13xxx_mxs_remove(struct platform_device *pdev) +{ + struct ci13xxx_mxs_data *data = dev_get_drvdata(&pdev->dev); + struct usb_phy *phy = usb_get_transceiver(); + + clk_disable_unprepare(data->clk); + clk_put(data->clk); + + if (phy) + usb_phy_shutdown(phy); + + platform_device_del(data->pdev); + platform_device_put(data->pdev); + + return 0; +} + +static struct platform_driver ci13xxx_mxs_driver = { + .probe = ci13xxx_mxs_probe, + .remove = __devexit_p(ci13xxx_mxs_remove), + .driver = { + .name = "mxs-usb", + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(ci13xxx_mxs_driver); + +MODULE_ALIAS("platform:mxs-usb"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("CI13xxx MXS USB binding"); +MODULE_AUTHOR("Marek Vasut <marex@denx.de>");
This codes connects the CI13xxx driver with the core found inside of the Freescale i.MX244/i.MX28 CPU. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Detlev Zundel <dzu@denx.de> CC: Dong Aisheng <b29396@freescale.com> CC: Fabio Estevam <fabio.estevam@freescale.com> Cc: Felipe Balbi <balbi@ti.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linux ARM kernel <linux-arm-kernel@lists.infradead.org> Cc: linux-i2c@vger.kernel.org CC: Sascha Hauer <s.hauer@pengutronix.de> CC: Shawn Guo <shawn.guo@linaro.org> Cc: Stefano Babic <sbabic@denx.de> CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Wolfgang Denk <wd@denx.de> Cc: Wolfram Sang <w.sang@pengutronix.de> --- drivers/usb/chipidea/Makefile | 4 + drivers/usb/chipidea/ci13xxx_mxs.c | 201 ++++++++++++++++++++++++++++++++++++ 2 files changed, 205 insertions(+) create mode 100644 drivers/usb/chipidea/ci13xxx_mxs.c