Release 4.11 drivers/usb/chipidea/usbmisc_imx.c

/*
 * Copyright 2012 Freescale Semiconductor, Inc.
 *
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/delay.h>

#include "ci_hdrc_imx.h"


#define MX25_USB_PHY_CTRL_OFFSET	0x08

#define MX25_BM_EXTERNAL_VBUS_DIVIDER	BIT(23)


#define MX25_EHCI_INTERFACE_SINGLE_UNI	(2 << 0)

#define MX25_EHCI_INTERFACE_DIFF_UNI	(0 << 0)

#define MX25_EHCI_INTERFACE_MASK	(0xf)


#define MX25_OTG_SIC_SHIFT		29

#define MX25_OTG_SIC_MASK		(0x3 << MX25_OTG_SIC_SHIFT)

#define MX25_OTG_PM_BIT			BIT(24)

#define MX25_OTG_PP_BIT			BIT(11)

#define MX25_OTG_OCPOL_BIT		BIT(3)


#define MX25_H1_SIC_SHIFT		21

#define MX25_H1_SIC_MASK		(0x3 << MX25_H1_SIC_SHIFT)

#define MX25_H1_PP_BIT			BIT(18)

#define MX25_H1_PM_BIT			BIT(16)

#define MX25_H1_IPPUE_UP_BIT		BIT(7)

#define MX25_H1_IPPUE_DOWN_BIT		BIT(6)

#define MX25_H1_TLL_BIT			BIT(5)

#define MX25_H1_USBTE_BIT		BIT(4)

#define MX25_H1_OCPOL_BIT		BIT(2)


#define MX27_H1_PM_BIT			BIT(8)

#define MX27_H2_PM_BIT			BIT(16)

#define MX27_OTG_PM_BIT			BIT(24)


#define MX53_USB_OTG_PHY_CTRL_0_OFFSET	0x08

#define MX53_USB_OTG_PHY_CTRL_1_OFFSET	0x0c

#define MX53_USB_CTRL_1_OFFSET	        0x10

#define MX53_USB_CTRL_1_H2_XCVR_CLK_SEL_MASK (0x11 << 2)

#define MX53_USB_CTRL_1_H2_XCVR_CLK_SEL_ULPI BIT(2)

#define MX53_USB_CTRL_1_H3_XCVR_CLK_SEL_MASK (0x11 << 6)

#define MX53_USB_CTRL_1_H3_XCVR_CLK_SEL_ULPI BIT(6)

#define MX53_USB_UH2_CTRL_OFFSET	0x14

#define MX53_USB_UH3_CTRL_OFFSET	0x18

#define MX53_USB_CLKONOFF_CTRL_OFFSET	0x24

#define MX53_USB_CLKONOFF_CTRL_H2_INT60CKOFF BIT(21)

#define MX53_USB_CLKONOFF_CTRL_H3_INT60CKOFF BIT(22)

#define MX53_BM_OVER_CUR_DIS_H1		BIT(5)

#define MX53_BM_OVER_CUR_DIS_OTG	BIT(8)

#define MX53_BM_OVER_CUR_DIS_UHx	BIT(30)

#define MX53_USB_CTRL_1_UH2_ULPI_EN	BIT(26)

#define MX53_USB_CTRL_1_UH3_ULPI_EN	BIT(27)

#define MX53_USB_UHx_CTRL_WAKE_UP_EN	BIT(7)

#define MX53_USB_UHx_CTRL_ULPI_INT_EN	BIT(8)

#define MX53_USB_PHYCTRL1_PLLDIV_MASK	0x3

#define MX53_USB_PLL_DIV_24_MHZ		0x01


#define MX6_BM_NON_BURST_SETTING	BIT(1)

#define MX6_BM_OVER_CUR_DIS		BIT(7)

#define MX6_BM_OVER_CUR_POLARITY	BIT(8)

#define MX6_BM_WAKEUP_ENABLE		BIT(10)

#define MX6_BM_ID_WAKEUP		BIT(16)

#define MX6_BM_VBUS_WAKEUP		BIT(17)

#define MX6SX_BM_DPDM_WAKEUP_EN		BIT(29)

#define MX6_BM_WAKEUP_INTR		BIT(31)

#define MX6_USB_OTG1_PHY_CTRL		0x18
/* For imx6dql, it is host-only controller, for later imx6, it is otg's */

#define MX6_USB_OTG2_PHY_CTRL		0x1c

#define MX6SX_USB_VBUS_WAKEUP_SOURCE(v)	(v << 8)

#define MX6SX_USB_VBUS_WAKEUP_SOURCE_VBUS	MX6SX_USB_VBUS_WAKEUP_SOURCE(0)

#define MX6SX_USB_VBUS_WAKEUP_SOURCE_AVALID	MX6SX_USB_VBUS_WAKEUP_SOURCE(1)

#define MX6SX_USB_VBUS_WAKEUP_SOURCE_BVALID	MX6SX_USB_VBUS_WAKEUP_SOURCE(2)

#define MX6SX_USB_VBUS_WAKEUP_SOURCE_SESS_END	MX6SX_USB_VBUS_WAKEUP_SOURCE(3)


#define VF610_OVER_CUR_DIS		BIT(7)


#define MX7D_USBNC_USB_CTRL2		0x4

#define MX7D_USB_VBUS_WAKEUP_SOURCE_MASK	0x3

#define MX7D_USB_VBUS_WAKEUP_SOURCE(v)		(v << 0)

#define MX7D_USB_VBUS_WAKEUP_SOURCE_VBUS	MX7D_USB_VBUS_WAKEUP_SOURCE(0)

#define MX7D_USB_VBUS_WAKEUP_SOURCE_AVALID	MX7D_USB_VBUS_WAKEUP_SOURCE(1)

#define MX7D_USB_VBUS_WAKEUP_SOURCE_BVALID	MX7D_USB_VBUS_WAKEUP_SOURCE(2)

#define MX7D_USB_VBUS_WAKEUP_SOURCE_SESS_END	MX7D_USB_VBUS_WAKEUP_SOURCE(3)


struct usbmisc_ops {
	/* It's called once when probe a usb device */
	
int (*init)(struct imx_usbmisc_data *data);
	/* It's called once after adding a usb device */
	
int (*post)(struct imx_usbmisc_data *data);
	/* It's called when we need to enable/disable usb wakeup */
	
int (*set_wakeup)(struct imx_usbmisc_data *data, bool enabled);
};


struct imx_usbmisc {
	
void __iomem *base;
	
spinlock_t lock;
	
const struct usbmisc_ops *ops;
};



static int usbmisc_imx25_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	unsigned long flags;
	u32 val = 0;

	if (data->index > 1)
		return -EINVAL;

	spin_lock_irqsave(&usbmisc->lock, flags);
	switch (data->index) {
	case 0:
		val = readl(usbmisc->base);
		val &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PP_BIT);
		val |= (MX25_EHCI_INTERFACE_DIFF_UNI & MX25_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT;
		val |= (MX25_OTG_PM_BIT | MX25_OTG_OCPOL_BIT);
		writel(val, usbmisc->base);
		break;
	case 1:
		val = readl(usbmisc->base);
		val &= ~(MX25_H1_SIC_MASK | MX25_H1_PP_BIT |  MX25_H1_IPPUE_UP_BIT);
		val |= (MX25_EHCI_INTERFACE_SINGLE_UNI & MX25_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT;
		val |= (MX25_H1_PM_BIT | MX25_H1_OCPOL_BIT | MX25_H1_TLL_BIT |
			MX25_H1_USBTE_BIT | MX25_H1_IPPUE_DOWN_BIT);

		writel(val, usbmisc->base);

		break;
	}
	spin_unlock_irqrestore(&usbmisc->lock, flags);

	return 0;
}

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static int usbmisc_imx25_post(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	void __iomem *reg;
	unsigned long flags;
	u32 val;

	if (data->index > 2)
		return -EINVAL;

	if (data->evdo) {
		spin_lock_irqsave(&usbmisc->lock, flags);
		reg = usbmisc->base + MX25_USB_PHY_CTRL_OFFSET;
		val = readl(reg);
		writel(val | MX25_BM_EXTERNAL_VBUS_DIVIDER, reg);
		spin_unlock_irqrestore(&usbmisc->lock, flags);
		usleep_range(5000, 10000); /* needed to stabilize voltage */
	}

	return 0;
}

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static int usbmisc_imx27_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	unsigned long flags;
	u32 val;

	switch (data->index) {
	case 0:
		val = MX27_OTG_PM_BIT;
		break;
	case 1:
		val = MX27_H1_PM_BIT;
		break;
	case 2:
		val = MX27_H2_PM_BIT;
		break;
	default:
		return -EINVAL;
	}

	spin_lock_irqsave(&usbmisc->lock, flags);
	if (data->disable_oc)
		val = readl(usbmisc->base) | val;
	else
		val = readl(usbmisc->base) & ~val;
	writel(val, usbmisc->base);
	spin_unlock_irqrestore(&usbmisc->lock, flags);

	return 0;
}

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static int usbmisc_imx53_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	void __iomem *reg = NULL;
	unsigned long flags;
	u32 val = 0;

	if (data->index > 3)
		return -EINVAL;

	/* Select a 24 MHz reference clock for the PHY  */
	val = readl(usbmisc->base + MX53_USB_OTG_PHY_CTRL_1_OFFSET);
	val &= ~MX53_USB_PHYCTRL1_PLLDIV_MASK;
	val |= MX53_USB_PLL_DIV_24_MHZ;
	writel(val, usbmisc->base + MX53_USB_OTG_PHY_CTRL_1_OFFSET);

	spin_lock_irqsave(&usbmisc->lock, flags);

	switch (data->index) {
	case 0:
		if (data->disable_oc) {
			reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_OTG;
			writel(val, reg);
		}
		break;
	case 1:
		if (data->disable_oc) {
			reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_H1;
			writel(val, reg);
		}
		break;
	case 2:
		if (data->ulpi) {
			/* set USBH2 into ULPI-mode. */
			reg = usbmisc->base + MX53_USB_CTRL_1_OFFSET;
			val = readl(reg) | MX53_USB_CTRL_1_UH2_ULPI_EN;
			/* select ULPI clock */
			val &= ~MX53_USB_CTRL_1_H2_XCVR_CLK_SEL_MASK;
			val |= MX53_USB_CTRL_1_H2_XCVR_CLK_SEL_ULPI;
			writel(val, reg);
			/* Set interrupt wake up enable */
			reg = usbmisc->base + MX53_USB_UH2_CTRL_OFFSET;
			val = readl(reg) | MX53_USB_UHx_CTRL_WAKE_UP_EN
				| MX53_USB_UHx_CTRL_ULPI_INT_EN;
			writel(val, reg);
			/* Disable internal 60Mhz clock */
			reg = usbmisc->base + MX53_USB_CLKONOFF_CTRL_OFFSET;
			val = readl(reg) | MX53_USB_CLKONOFF_CTRL_H2_INT60CKOFF;
			writel(val, reg);
		}
		if (data->disable_oc) {
			reg = usbmisc->base + MX53_USB_UH2_CTRL_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_UHx;
			writel(val, reg);
		}
		break;
	case 3:
		if (data->ulpi) {
			/* set USBH3 into ULPI-mode. */
			reg = usbmisc->base + MX53_USB_CTRL_1_OFFSET;
			val = readl(reg) | MX53_USB_CTRL_1_UH3_ULPI_EN;
			/* select ULPI clock */
			val &= ~MX53_USB_CTRL_1_H3_XCVR_CLK_SEL_MASK;
			val |= MX53_USB_CTRL_1_H3_XCVR_CLK_SEL_ULPI;
			writel(val, reg);
			/* Set interrupt wake up enable */
			reg = usbmisc->base + MX53_USB_UH3_CTRL_OFFSET;
			val = readl(reg) | MX53_USB_UHx_CTRL_WAKE_UP_EN
				| MX53_USB_UHx_CTRL_ULPI_INT_EN;
			writel(val, reg);
			/* Disable internal 60Mhz clock */
			reg = usbmisc->base + MX53_USB_CLKONOFF_CTRL_OFFSET;
			val = readl(reg) | MX53_USB_CLKONOFF_CTRL_H3_INT60CKOFF;
			writel(val, reg);
		}
		if (data->disable_oc) {
			reg = usbmisc->base + MX53_USB_UH3_CTRL_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_UHx;
			writel(val, reg);
		}
		break;
	}

	spin_unlock_irqrestore(&usbmisc->lock, flags);

	return 0;
}

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static int usbmisc_imx6q_set_wakeup
	(struct imx_usbmisc_data *data, bool enabled)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	unsigned long flags;
	u32 val;
	u32 wakeup_setting = (MX6_BM_WAKEUP_ENABLE |
		MX6_BM_VBUS_WAKEUP | MX6_BM_ID_WAKEUP);
	int ret = 0;

	if (data->index > 3)
		return -EINVAL;

	spin_lock_irqsave(&usbmisc->lock, flags);
	val = readl(usbmisc->base + data->index * 4);
	if (enabled) {
		val |= wakeup_setting;
		writel(val, usbmisc->base + data->index * 4);
	} else {
		if (val & MX6_BM_WAKEUP_INTR)
			pr_debug("wakeup int at ci_hdrc.%d\n", data->index);
		val &= ~wakeup_setting;
		writel(val, usbmisc->base + data->index * 4);
	}
	spin_unlock_irqrestore(&usbmisc->lock, flags);

	return ret;
}

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static int usbmisc_imx6q_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	unsigned long flags;
	u32 reg;

	if (data->index > 3)
		return -EINVAL;

	spin_lock_irqsave(&usbmisc->lock, flags);

	reg = readl(usbmisc->base + data->index * 4);
	if (data->disable_oc) {
		reg |= MX6_BM_OVER_CUR_DIS;
	} else if (data->oc_polarity == 1) {
		/* High active */
		reg &= ~(MX6_BM_OVER_CUR_DIS | MX6_BM_OVER_CUR_POLARITY);
	}
	writel(reg, usbmisc->base + data->index * 4);

	/* SoC non-burst setting */
	reg = readl(usbmisc->base + data->index * 4);
	writel(reg | MX6_BM_NON_BURST_SETTING,
			usbmisc->base + data->index * 4);

	spin_unlock_irqrestore(&usbmisc->lock, flags);

	usbmisc_imx6q_set_wakeup(data, false);

	return 0;
}

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static int usbmisc_imx6sx_init(struct imx_usbmisc_data *data)
{
	void __iomem *reg = NULL;
	unsigned long flags;
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	u32 val;

	usbmisc_imx6q_init(data);

	if (data->index == 0 || data->index == 1) {
		reg = usbmisc->base + MX6_USB_OTG1_PHY_CTRL + data->index * 4;
		spin_lock_irqsave(&usbmisc->lock, flags);
		/* Set vbus wakeup source as bvalid */
		val = readl(reg);
		writel(val | MX6SX_USB_VBUS_WAKEUP_SOURCE_BVALID, reg);
		/*
                 * Disable dp/dm wakeup in device mode when vbus is
                 * not there.
                 */
		val = readl(usbmisc->base + data->index * 4);
		writel(val & ~MX6SX_BM_DPDM_WAKEUP_EN,
			usbmisc->base + data->index * 4);
		spin_unlock_irqrestore(&usbmisc->lock, flags);
	}

	return 0;
}

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static int usbmisc_vf610_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	u32 reg;

	/*
         * Vybrid only has one misc register set, but in two different
         * areas. These is reflected in two instances of this driver.
         */
	if (data->index >= 1)
		return -EINVAL;

	if (data->disable_oc) {
		reg = readl(usbmisc->base);
		writel(reg | VF610_OVER_CUR_DIS, usbmisc->base);
	}

	return 0;
}

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static int usbmisc_imx7d_set_wakeup
	(struct imx_usbmisc_data *data, bool enabled)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	unsigned long flags;
	u32 val;
	u32 wakeup_setting = (MX6_BM_WAKEUP_ENABLE |
		MX6_BM_VBUS_WAKEUP | MX6_BM_ID_WAKEUP);

	spin_lock_irqsave(&usbmisc->lock, flags);
	val = readl(usbmisc->base);
	if (enabled) {
		writel(val | wakeup_setting, usbmisc->base);
	} else {
		if (val & MX6_BM_WAKEUP_INTR)
			dev_dbg(data->dev, "wakeup int\n");
		writel(val & ~wakeup_setting, usbmisc->base);
	}
	spin_unlock_irqrestore(&usbmisc->lock, flags);

	return 0;
}

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static int usbmisc_imx7d_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	unsigned long flags;
	u32 reg;

	if (data->index >= 1)
		return -EINVAL;

	spin_lock_irqsave(&usbmisc->lock, flags);
	reg = readl(usbmisc->base);
	if (data->disable_oc) {
		reg |= MX6_BM_OVER_CUR_DIS;
	} else if (data->oc_polarity == 1) {
		/* High active */
		reg &= ~(MX6_BM_OVER_CUR_DIS | MX6_BM_OVER_CUR_POLARITY);
	}
	writel(reg, usbmisc->base);

	reg = readl(usbmisc->base + MX7D_USBNC_USB_CTRL2);
	reg &= ~MX7D_USB_VBUS_WAKEUP_SOURCE_MASK;
	writel(reg | MX7D_USB_VBUS_WAKEUP_SOURCE_BVALID,
		 usbmisc->base + MX7D_USBNC_USB_CTRL2);
	spin_unlock_irqrestore(&usbmisc->lock, flags);

	usbmisc_imx7d_set_wakeup(data, false);

	return 0;
}

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static const struct usbmisc_ops imx25_usbmisc_ops = {
	.init = usbmisc_imx25_init,
	.post = usbmisc_imx25_post,
};


static const struct usbmisc_ops imx27_usbmisc_ops = {
	.init = usbmisc_imx27_init,
};


static const struct usbmisc_ops imx53_usbmisc_ops = {
	.init = usbmisc_imx53_init,
};


static const struct usbmisc_ops imx6q_usbmisc_ops = {
	.set_wakeup = usbmisc_imx6q_set_wakeup,
	.init = usbmisc_imx6q_init,
};


static const struct usbmisc_ops vf610_usbmisc_ops = {
	.init = usbmisc_vf610_init,
};


static const struct usbmisc_ops imx6sx_usbmisc_ops = {
	.set_wakeup = usbmisc_imx6q_set_wakeup,
	.init = usbmisc_imx6sx_init,
};


static const struct usbmisc_ops imx7d_usbmisc_ops = {
	.init = usbmisc_imx7d_init,
	.set_wakeup = usbmisc_imx7d_set_wakeup,
};



int imx_usbmisc_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc;

	if (!data)
		return 0;

	usbmisc = dev_get_drvdata(data->dev);
	if (!usbmisc->ops->init)
		return 0;
	return usbmisc->ops->init(data);
}
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EXPORT_SYMBOL_GPL(imx_usbmisc_init);



int imx_usbmisc_init_post(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc;

	if (!data)
		return 0;

	usbmisc = dev_get_drvdata(data->dev);
	if (!usbmisc->ops->post)
		return 0;
	return usbmisc->ops->post(data);
}
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EXPORT_SYMBOL_GPL(imx_usbmisc_init_post);



int imx_usbmisc_set_wakeup(struct imx_usbmisc_data *data, bool enabled)
{
	struct imx_usbmisc *usbmisc;

	if (!data)
		return 0;

	usbmisc = dev_get_drvdata(data->dev);
	if (!usbmisc->ops->set_wakeup)
		return 0;
	return usbmisc->ops->set_wakeup(data, enabled);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Peter Chen
59
100.00%
1
100.00%
Total
59
100.00%
1
100.00%


EXPORT_SYMBOL_GPL(imx_usbmisc_set_wakeup);


static const struct of_device_id usbmisc_imx_dt_ids[] = {
	{
		.compatible = "fsl,imx25-usbmisc",
		.data = &imx25_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx35-usbmisc",
		.data = &imx25_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx27-usbmisc",
		.data = &imx27_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx51-usbmisc",
		.data = &imx53_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx53-usbmisc",
		.data = &imx53_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx6q-usbmisc",
		.data = &imx6q_usbmisc_ops,
        },
	{
		.compatible = "fsl,vf610-usbmisc",
		.data = &vf610_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx6sx-usbmisc",
		.data = &imx6sx_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx6ul-usbmisc",
		.data = &imx6sx_usbmisc_ops,
        },
	{
		.compatible = "fsl,imx7d-usbmisc",
		.data = &imx7d_usbmisc_ops,
        },
	{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, usbmisc_imx_dt_ids);



static int usbmisc_imx_probe(struct platform_device *pdev)
{
	struct resource	*res;
	struct imx_usbmisc *data;
	const struct of_device_id *of_id;

	of_id = of_match_device(usbmisc_imx_dt_ids, &pdev->dev);
	if (!of_id)
		return -ENODEV;

	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	spin_lock_init(&data->lock);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	data->base = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(data->base))
		return PTR_ERR(data->base);

	data->ops = (const struct usbmisc_ops *)of_id->data;
	platform_set_drvdata(pdev, data);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Richard Zhao
89
59.73%
1
14.29%
Corentin Labbe
24
16.11%
1
14.29%
Marc Kleine-Budde
19
12.75%
2
28.57%
Thierry Reding
10
6.71%
1
14.29%
Stefan Agner
5
3.36%
1
14.29%
Michael Grzeschik
2
1.34%
1
14.29%
Total
149
100.00%
7
100.00%



static int usbmisc_imx_remove(struct platform_device *pdev)
{
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Richard Zhao
13
92.86%
1
50.00%
Michael Grzeschik
1
7.14%
1
50.00%
Total
14
100.00%
2
100.00%


static struct platform_driver usbmisc_imx_driver = {
	.probe = usbmisc_imx_probe,
	.remove = usbmisc_imx_remove,
	.driver = {
		.name = "usbmisc_imx",
		.of_match_table = usbmisc_imx_dt_ids,
         },
};


module_platform_driver(usbmisc_imx_driver);

MODULE_ALIAS("platform:usbmisc-imx");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("driver for imx usb non-core registers");
MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Peter Chen
851
31.43%
6
20.69%
Michael Grzeschik
333
12.30%
3
10.34%
Fabien Lahoudere
289
10.67%
2
6.90%
Richard Zhao
280
10.34%
1
3.45%
Denis Carikli
255
9.42%
1
3.45%
Stefan Agner
183
6.76%
1
3.45%
Alexander Shiyan
168
6.20%
2
6.90%
Sascha Hauer
138
5.10%
1
3.45%
Li Jun
82
3.03%
1
3.45%
Fabio Estevam
52
1.92%
3
10.34%
Marc Kleine-Budde
33
1.22%
2
6.90%
Corentin Labbe
24
0.89%
1
3.45%
Thierry Reding
10
0.37%
1
3.45%
Arnaud Patard
7
0.26%
1
3.45%
Philipp Zabel
1
0.04%
1
3.45%
Alexander Shishkin
1
0.04%
1
3.45%
Fengguang Wu
1
0.04%
1
3.45%
Total
2708
100.00%
29
100.00%
Directory: drivers/usb/chipidea

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