From mboxrd@z Thu Jan 1 00:00:00 1970 From: marex@denx.de (Marek Vasut) Date: Sun, 22 Apr 2012 14:59:22 +0200 Subject: [PATCH 06/11] MXS: Add small registration glue for ci13xxx_udc In-Reply-To: <1335099567-21056-1-git-send-email-marex@denx.de> References: <1334771194-18688-1-git-send-email-marex@denx.de> <1335099567-21056-1-git-send-email-marex@denx.de> Message-ID: <1335099567-21056-7-git-send-email-marex@denx.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds small registration glue for the ci13xxx_udc that is compatible with the imx-otg driver. Signed-off-by: Marek Vasut Cc: Chen Peter-B29397 Cc: Detlev Zundel Cc: Fabio Estevam Cc: Li Frank-B20596 Cc: Lin Tony-B19295 Cc: Linux USB Cc: Sascha Hauer Cc: Shawn Guo Cc: Shawn Guo Cc: Stefano Babic Cc: Subodh Nijsure Cc: Tony Lin Cc: Wolfgang Denk --- drivers/usb/gadget/Kconfig | 17 ++++++++++ drivers/usb/gadget/Makefile | 1 + drivers/usb/gadget/ci13xxx_mxs.c | 67 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 85 insertions(+) create mode 100644 drivers/usb/gadget/ci13xxx_mxs.c diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 2633f75..d97abd8 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -494,6 +494,23 @@ config USB_CI13XXX_MSM dynamically linked module called "ci13xxx_msm" and force all gadget drivers to also be dynamically linked. +config USB_CI13XXX_MXS + tristate "MIPS USB CI13xxx for i.MX23/28" + depends on ARCH_MXS + select USB_GADGET_DUALSPEED + select USB_IMX_COMPOSITE + help + i.MX SoC has chipidea USB controller. This driver uses + ci13xxx_udc core. + This driver depends on OTG driver for PHY initialization, + clock management, powering up VBUS, and power management. + This driver is not supported on boards like trout which + has an external PHY. + + Say "y" to link the driver statically, or "m" to build a + dynamically linked module called "ci13xxx_msm" and force all + gadget drivers to also be dynamically linked. + # # LAST -- dummy/emulated controller # diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index b7f6eef..1f159a9 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_USB_EG20T) += pch_udc.o obj-$(CONFIG_USB_MV_UDC) += mv_udc.o mv_udc-y := mv_udc_core.o obj-$(CONFIG_USB_CI13XXX_MSM) += ci13xxx_msm.o +obj-$(CONFIG_USB_CI13XXX_MXS) += ci13xxx_mxs.o obj-$(CONFIG_USB_FUSB300) += fusb300_udc.o # diff --git a/drivers/usb/gadget/ci13xxx_mxs.c b/drivers/usb/gadget/ci13xxx_mxs.c new file mode 100644 index 0000000..35a3dd4 --- /dev/null +++ b/drivers/usb/gadget/ci13xxx_mxs.c @@ -0,0 +1,67 @@ +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include + +#include "ci13xxx_udc.c" + +#define MSM_USB_BASE (udc->regs) + +static irqreturn_t mxs_udc_irq(int irq, void *data) +{ + return udc_irq(); +} + +static struct ci13xxx_udc_driver ci13xxx_mxs_udc_driver = { + .name = "ci13xxx-mxs", + .flags = CI13XXX_REQUIRE_TRANSCEIVER | + CI13XXX_DISABLE_STREAMING | + CI13XXX_DONT_REGISTER_GADGET, +}; + +static int ci13xxx_mxs_probe(struct platform_device *pdev) +{ + struct imx_usb *data = pdev->dev.platform_data; + int ret; + + ret = devm_request_irq(&pdev->dev, data->irq, mxs_udc_irq, + IRQF_SHARED, pdev->name, pdev); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to request IRQ!\n"); + return ret; + } + + ret = udc_probe(&ci13xxx_mxs_udc_driver, &pdev->dev, data->mem); + if (ret < 0) + dev_err(&pdev->dev, "Failed to probe CI13xxx-mxs!\n"); + + pm_runtime_no_callbacks(&pdev->dev); + pm_runtime_enable(&pdev->dev); + + return ret; +} + +static struct platform_driver ci13xxx_mxs_driver = { + .probe = ci13xxx_mxs_probe, + .driver = { + .name = "ci13xxx-mxs", + }, +}; + +static int __init ci13xxx_mxs_init(void) +{ + return platform_driver_register(&ci13xxx_mxs_driver); +} + +module_init(ci13xxx_mxs_init); + +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:ci13xxx-mxs"); -- 1.7.9.5