This patch adds small registration glue for the ci13xxx_udc that is compatible
with the imx-otg driver.
Signed-off-by: Marek Vasut <marex@xxxxxxx>
Cc: Chen Peter-B29397 <B29397@xxxxxxxxxxxxx>
Cc: Detlev Zundel <dzu@xxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: Li Frank-B20596 <B20596@xxxxxxxxxxxxx>
Cc: Linux USB <linux-usb@xxxxxxxxxxxxxxx>
Cc: Liu JunJie-B08287 <B08287@xxxxxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Shawn Guo <shawn.guo@xxxxxxxxxx>
Cc: Shi Make-B15407 <B15407@xxxxxxxxxxxxx>
Cc: Stefano Babic <sbabic@xxxxxxx>
Cc: Subodh Nijsure <snijsure@xxxxxxxxxxxx>
Cc: Wolfgang Denk <wd@xxxxxxx>
---
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..1fa6b0d 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_mxs" 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..2d99336
--- /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 <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/usb/ulpi.h>
+#include <linux/usb/mxs-usb.h>
+
+#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_otg *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");
--
1.7.10
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