> > From: Daniel Tang <dt.tangr@xxxxxxxxx> > > The USB controller in TI-NSPIRE calculators are based off either > Freescale's > USB OTG controller or the USB controller found in the IMX233, both of > which > are Chipidea compatible. > > This patch adds a device tree binding for the controller. > > Signed-off-by: Daniel Tang <dt.tangr@xxxxxxxxx> > --- > > Changelog v3: > * Removed redundant module aliases > > Changelog v2: > * Rename ci13xxx to ci_hdrc > * Fixed alignment issues > > .../devicetree/bindings/usb/ci-hdrc-nspire.txt | 17 +++++ > drivers/usb/chipidea/Makefile | 1 + > drivers/usb/chipidea/ci_hdrc_nspire.c | 72 > ++++++++++++++++++++++ > 3 files changed, 90 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/ci-hdrc- > nspire.txt > create mode 100644 drivers/usb/chipidea/ci_hdrc_nspire.c > > diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-nspire.txt > b/Documentation/devicetree/bindings/usb/ci-hdrc-nspire.txt > new file mode 100644 > index 0000000..5ba8e90 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-nspire.txt > @@ -0,0 +1,17 @@ > +* TI-Nspire USB OTG Controller > + > +Required properties: > +- compatible: Should be "zevio,nspire-usb" > +- reg: Should contain registers location and length > +- interrupts: Should contain controller interrupt > + > +Recommended properies: > +- vbus-supply: regulator for vbus > + > +Examples: > + usb0: usb@B0000000 { > + reg = <0xB0000000 0x1000>; > + compatible = "zevio,nspire-usb"; > + interrupts = <8>; > + vbus-supply = <&vbus_reg>; > + }; > diff --git a/drivers/usb/chipidea/Makefile > b/drivers/usb/chipidea/Makefile > index a99d980..245ea4d 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-$(CONFIG_USB_CHIPIDEA) += ci_hdrc_nspire.o > > # PCI doesn't provide stubs, need to check > ifneq ($(CONFIG_PCI),) > diff --git a/drivers/usb/chipidea/ci_hdrc_nspire.c > b/drivers/usb/chipidea/ci_hdrc_nspire.c > new file mode 100644 > index 0000000..517ce41 > --- /dev/null > +++ b/drivers/usb/chipidea/ci_hdrc_nspire.c > @@ -0,0 +1,72 @@ > +/* > + * Copyright (C) 2013 Daniel Tang <tangrs@xxxxxxxxxxxx> > + * > + * 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_nspire_platdata = { > + .name = "ci_hdrc_nspire", > + .flags = CI_HDRC_REGS_SHARED, > + .capoffset = DEF_CAPOFFSET, > +}; > + > +static int ci_hdrc_nspire_probe(struct platform_device *pdev) > +{ > + struct platform_device *ci_pdev; > + > + dev_dbg(&pdev->dev, "ci_hdrc_nspire_probe\n"); > + > + ci_pdev = ci_hdrc_add_device(&pdev->dev, > + pdev->resource, pdev->num_resources, > + &ci_hdrc_nspire_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_nspire_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_nspire_dt_ids[] = { > + { .compatible = "zevio,nspire-usb", }, > + { /* sentinel */ } > +}; > + > +static struct platform_driver ci_hdrc_nspire_driver = { > + .probe = ci_hdrc_nspire_probe, > + .remove = ci_hdrc_nspire_remove, > + .driver = { > + .name = "nspire_usb", > + .owner = THIS_MODULE, > + .of_match_table = ci_hdrc_nspire_dt_ids, > + }, > +}; > + > +MODULE_DEVICE_TABLE(of, ci_hdrc_nspire_dt_ids); > +module_platform_driver(ci_hdrc_nspire_driver); > + > +MODULE_LICENSE("GPL v2"); > -- You can decide to add module alias or not. Acked-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> for driver part. I haven't seen your dts patch. Peter -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html