[deliverable/linux.git] / 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_UH2_CTRL_OFFSET	0x14
#define MX53_USB_UH3_CTRL_OFFSET	0x18
#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_PHYCTRL1_PLLDIV_MASK	0x3
#define MX53_USB_PLL_DIV_24_MHZ		0x01

#define MX6_BM_OVER_CUR_DIS		BIT(7)

#define VF610_OVER_CUR_DIS		BIT(7)

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);
};

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;
}

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;
}

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;
}

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);

	if (data->disable_oc) {
		spin_lock_irqsave(&usbmisc->lock, flags);
		switch (data->index) {
		case 0:
			reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_OTG;
			break;
		case 1:
			reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_H1;
			break;
		case 2:
			reg = usbmisc->base + MX53_USB_UH2_CTRL_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_UHx;
			break;
		case 3:
			reg = usbmisc->base + MX53_USB_UH3_CTRL_OFFSET;
			val = readl(reg) | MX53_BM_OVER_CUR_DIS_UHx;
			break;
		}
		if (reg && val)
			writel(val, reg);
		spin_unlock_irqrestore(&usbmisc->lock, flags);
	}

	return 0;
}

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;

	if (data->disable_oc) {
		spin_lock_irqsave(&usbmisc->lock, flags);
		reg = readl(usbmisc->base + data->index * 4);
		writel(reg | MX6_BM_OVER_CUR_DIS,
			usbmisc->base + data->index * 4);
		spin_unlock_irqrestore(&usbmisc->lock, flags);
	}

	return 0;
}

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;
}

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 = {
	.init = usbmisc_imx6q_init,
};

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

int imx_usbmisc_init(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);

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

int imx_usbmisc_init_post(struct imx_usbmisc_data *data)
{
	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);

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

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,
	},
	{ /* 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;
	struct of_device_id *tmp_dev;

	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);

	tmp_dev = (struct of_device_id *)
		of_match_device(usbmisc_imx_dt_ids, &pdev->dev);
	data->ops = (const struct usbmisc_ops *)tmp_dev->data;
	platform_set_drvdata(pdev, data);

	return 0;
}

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

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>");
Commit	Line	Data
d142d6be RZ	1	/*
	2	* Copyright 2012 Freescale Semiconductor, Inc.
	3	*
	4	* The code contained herein is licensed under the GNU General Public
	5	* License. You may obtain a copy of the GNU General Public License
	6	* Version 2 or later at the following locations:
	7	*
	8	* http://www.opensource.org/licenses/gpl-license.html
	9	* http://www.gnu.org/copyleft/gpl.html
	10	*/
	11
	12	#include <linux/module.h>
	13	#include <linux/of_platform.h>
d142d6be RZ	14	#include <linux/err.h>
d142d6be RZ	15	#include <linux/io.h>
a0685330	16	#include <linux/delay.h>
d142d6be	17
8e22978c	18	#include "ci_hdrc_imx.h"
d142d6be	19
a0685330 MG	20	#define MX25_USB_PHY_CTRL_OFFSET 0x08
	21	#define MX25_BM_EXTERNAL_VBUS_DIVIDER BIT(23)
	22
72ee92d1 DC	23	#define MX25_EHCI_INTERFACE_SINGLE_UNI (2 << 0)
	24	#define MX25_EHCI_INTERFACE_DIFF_UNI (0 << 0)
	25	#define MX25_EHCI_INTERFACE_MASK (0xf)
	26
	27	#define MX25_OTG_SIC_SHIFT 29
	28	#define MX25_OTG_SIC_MASK (0x3 << MX25_OTG_SIC_SHIFT)
	29	#define MX25_OTG_PM_BIT BIT(24)
	30	#define MX25_OTG_PP_BIT BIT(11)
	31	#define MX25_OTG_OCPOL_BIT BIT(3)
	32
	33	#define MX25_H1_SIC_SHIFT 21
	34	#define MX25_H1_SIC_MASK (0x3 << MX25_H1_SIC_SHIFT)
	35	#define MX25_H1_PP_BIT BIT(18)
	36	#define MX25_H1_PM_BIT BIT(16)
	37	#define MX25_H1_IPPUE_UP_BIT BIT(7)
	38	#define MX25_H1_IPPUE_DOWN_BIT BIT(6)
	39	#define MX25_H1_TLL_BIT BIT(5)
	40	#define MX25_H1_USBTE_BIT BIT(4)
	41	#define MX25_H1_OCPOL_BIT BIT(2)
	42
9f90e111 AS	43	#define MX27_H1_PM_BIT BIT(8)
	44	#define MX27_H2_PM_BIT BIT(16)
	45	#define MX27_OTG_PM_BIT BIT(24)
	46
f0c910b6	47	#define MX53_USB_OTG_PHY_CTRL_0_OFFSET 0x08
33f92a8a	48	#define MX53_USB_OTG_PHY_CTRL_1_OFFSET 0x0c
f0c910b6 MG	49	#define MX53_USB_UH2_CTRL_OFFSET 0x14
	50	#define MX53_USB_UH3_CTRL_OFFSET 0x18
	51	#define MX53_BM_OVER_CUR_DIS_H1 BIT(5)
	52	#define MX53_BM_OVER_CUR_DIS_OTG BIT(8)
	53	#define MX53_BM_OVER_CUR_DIS_UHx BIT(30)
33f92a8a FE	54	#define MX53_USB_PHYCTRL1_PLLDIV_MASK 0x3
33f92a8a FE	55	#define MX53_USB_PLL_DIV_24_MHZ 0x01
f0c910b6	56
e609108a	57	#define MX6_BM_OVER_CUR_DIS BIT(7)
d142d6be	58
f40017e0 SA	59	#define VF610_OVER_CUR_DIS BIT(7)
f40017e0 SA	60
05986ba9 SH	61	struct usbmisc_ops {
	62	/* It's called once when probe a usb device */
	63	int (init)(struct imx_usbmisc_data data);
	64	/* It's called once after adding a usb device */
	65	int (post)(struct imx_usbmisc_data data);
	66	};
	67
a7bc2fdf	68	struct imx_usbmisc {
d142d6be RZ	69	void __iomem *base;
d142d6be RZ	70	spinlock_t lock;
e609108a	71	const struct usbmisc_ops *ops;
d142d6be RZ	72	};
d142d6be RZ	73
72ee92d1 DC	74	static int usbmisc_imx25_init(struct imx_usbmisc_data *data)
72ee92d1 DC	75	{
f40017e0	76	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
72ee92d1 DC	77	unsigned long flags;
	78	u32 val = 0;
	79
	80	if (data->index > 1)
	81	return -EINVAL;
	82
	83	spin_lock_irqsave(&usbmisc->lock, flags);
	84	switch (data->index) {
	85	case 0:
	86	val = readl(usbmisc->base);
	87	val &= ~(MX25_OTG_SIC_MASK \| MX25_OTG_PP_BIT);
	88	val \|= (MX25_EHCI_INTERFACE_DIFF_UNI & MX25_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT;
	89	val \|= (MX25_OTG_PM_BIT \| MX25_OTG_OCPOL_BIT);
	90	writel(val, usbmisc->base);
	91	break;
	92	case 1:
	93	val = readl(usbmisc->base);
	94	val &= ~(MX25_H1_SIC_MASK \| MX25_H1_PP_BIT \| MX25_H1_IPPUE_UP_BIT);
	95	val \|= (MX25_EHCI_INTERFACE_SINGLE_UNI & MX25_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT;
	96	val \|= (MX25_H1_PM_BIT \| MX25_H1_OCPOL_BIT \| MX25_H1_TLL_BIT \|
	97	MX25_H1_USBTE_BIT \| MX25_H1_IPPUE_DOWN_BIT);
	98
	99	writel(val, usbmisc->base);
	100
	101	break;
	102	}
	103	spin_unlock_irqrestore(&usbmisc->lock, flags);
	104
	105	return 0;
	106	}
	107
05986ba9	108	static int usbmisc_imx25_post(struct imx_usbmisc_data *data)
a0685330	109	{
f40017e0	110	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
a0685330 MG	111	void __iomem *reg;
	112	unsigned long flags;
	113	u32 val;
	114
05986ba9 SH	115	if (data->index > 2)
05986ba9 SH	116	return -EINVAL;
a0685330	117
05986ba9	118	if (data->evdo) {
a0685330	119	spin_lock_irqsave(&usbmisc->lock, flags);
8d1dc4d0	120	reg = usbmisc->base + MX25_USB_PHY_CTRL_OFFSET;
a0685330 MG	121	val = readl(reg);
	122	writel(val \| MX25_BM_EXTERNAL_VBUS_DIVIDER, reg);
	123	spin_unlock_irqrestore(&usbmisc->lock, flags);
	124	usleep_range(5000, 10000); /* needed to stabilize voltage */
	125	}
	126
	127	return 0;
	128	}
	129
9f90e111 AS	130	static int usbmisc_imx27_init(struct imx_usbmisc_data *data)
9f90e111 AS	131	{
f40017e0	132	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
9f90e111 AS	133	unsigned long flags;
	134	u32 val;
	135
	136	switch (data->index) {
	137	case 0:
	138	val = MX27_OTG_PM_BIT;
	139	break;
	140	case 1:
	141	val = MX27_H1_PM_BIT;
	142	break;
	143	case 2:
	144	val = MX27_H2_PM_BIT;
	145	break;
	146	default:
	147	return -EINVAL;
	148	};
	149
	150	spin_lock_irqsave(&usbmisc->lock, flags);
	151	if (data->disable_oc)
	152	val = readl(usbmisc->base) \| val;
	153	else
	154	val = readl(usbmisc->base) & ~val;
	155	writel(val, usbmisc->base);
	156	spin_unlock_irqrestore(&usbmisc->lock, flags);
	157
	158	return 0;
	159	}
	160
05986ba9	161	static int usbmisc_imx53_init(struct imx_usbmisc_data *data)
f0c910b6	162	{
f40017e0	163	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
f0c910b6 MG	164	void __iomem *reg = NULL;
	165	unsigned long flags;
	166	u32 val = 0;
	167
05986ba9 SH	168	if (data->index > 3)
05986ba9 SH	169	return -EINVAL;
f0c910b6	170
33f92a8a	171	/* Select a 24 MHz reference clock for the PHY */
4a1d6cf1	172	val = readl(usbmisc->base + MX53_USB_OTG_PHY_CTRL_1_OFFSET);
33f92a8a FE	173	val &= ~MX53_USB_PHYCTRL1_PLLDIV_MASK;
	174	val \|= MX53_USB_PLL_DIV_24_MHZ;
	175	writel(val, usbmisc->base + MX53_USB_OTG_PHY_CTRL_1_OFFSET);
	176
05986ba9	177	if (data->disable_oc) {
f0c910b6	178	spin_lock_irqsave(&usbmisc->lock, flags);
05986ba9	179	switch (data->index) {
f0c910b6 MG	180	case 0:
	181	reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
	182	val = readl(reg) \| MX53_BM_OVER_CUR_DIS_OTG;
	183	break;
	184	case 1:
	185	reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_0_OFFSET;
	186	val = readl(reg) \| MX53_BM_OVER_CUR_DIS_H1;
	187	break;
	188	case 2:
	189	reg = usbmisc->base + MX53_USB_UH2_CTRL_OFFSET;
	190	val = readl(reg) \| MX53_BM_OVER_CUR_DIS_UHx;
	191	break;
	192	case 3:
	193	reg = usbmisc->base + MX53_USB_UH3_CTRL_OFFSET;
	194	val = readl(reg) \| MX53_BM_OVER_CUR_DIS_UHx;
	195	break;
	196	}
	197	if (reg && val)
	198	writel(val, reg);
	199	spin_unlock_irqrestore(&usbmisc->lock, flags);
	200	}
	201
	202	return 0;
	203	}
	204
05986ba9	205	static int usbmisc_imx6q_init(struct imx_usbmisc_data *data)
d142d6be	206	{
f40017e0	207	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
d142d6be RZ	208	unsigned long flags;
	209	u32 reg;
	210
05986ba9 SH	211	if (data->index > 3)
05986ba9 SH	212	return -EINVAL;
d142d6be	213
05986ba9	214	if (data->disable_oc) {
d142d6be	215	spin_lock_irqsave(&usbmisc->lock, flags);
05986ba9	216	reg = readl(usbmisc->base + data->index * 4);
e609108a	217	writel(reg \| MX6_BM_OVER_CUR_DIS,
05986ba9	218	usbmisc->base + data->index * 4);
d142d6be RZ	219	spin_unlock_irqrestore(&usbmisc->lock, flags);
	220	}
	221
	222	return 0;
	223	}
	224
f40017e0 SA	225	static int usbmisc_vf610_init(struct imx_usbmisc_data *data)
	226	{
	227	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
	228	u32 reg;
	229
	230	/*
	231	* Vybrid only has one misc register set, but in two different
	232	* areas. These is reflected in two instances of this driver.
	233	*/
	234	if (data->index >= 1)
	235	return -EINVAL;
	236
	237	if (data->disable_oc) {
	238	reg = readl(usbmisc->base);
	239	writel(reg \| VF610_OVER_CUR_DIS, usbmisc->base);
	240	}
	241
	242	return 0;
	243	}
	244
a0685330	245	static const struct usbmisc_ops imx25_usbmisc_ops = {
72ee92d1	246	.init = usbmisc_imx25_init,
a0685330 MG	247	.post = usbmisc_imx25_post,
	248	};
	249
9f90e111 AS	250	static const struct usbmisc_ops imx27_usbmisc_ops = {
	251	.init = usbmisc_imx27_init,
	252	};
	253
f0c910b6 MG	254	static const struct usbmisc_ops imx53_usbmisc_ops = {
	255	.init = usbmisc_imx53_init,
	256	};
	257
d142d6be RZ	258	static const struct usbmisc_ops imx6q_usbmisc_ops = {
	259	.init = usbmisc_imx6q_init,
	260	};
	261
f40017e0 SA	262	static const struct usbmisc_ops vf610_usbmisc_ops = {
	263	.init = usbmisc_vf610_init,
	264	};
	265
05986ba9 SH	266	int imx_usbmisc_init(struct imx_usbmisc_data *data)
05986ba9 SH	267	{
f40017e0 SA	268	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
f40017e0 SA	269
05986ba9 SH	270	if (!usbmisc->ops->init)
	271	return 0;
	272	return usbmisc->ops->init(data);
	273	}
	274	EXPORT_SYMBOL_GPL(imx_usbmisc_init);
	275
	276	int imx_usbmisc_init_post(struct imx_usbmisc_data *data)
	277	{
f40017e0 SA	278	struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev);
f40017e0 SA	279
05986ba9 SH	280	if (!usbmisc->ops->post)
	281	return 0;
	282	return usbmisc->ops->post(data);
	283	}
	284	EXPORT_SYMBOL_GPL(imx_usbmisc_init_post);
	285
a7bc2fdf	286	static const struct of_device_id usbmisc_imx_dt_ids[] = {
a0685330 MG	287	{
	288	.compatible = "fsl,imx25-usbmisc",
	289	.data = &imx25_usbmisc_ops,
	290	},
72ee92d1 DC	291	{
	292	.compatible = "fsl,imx35-usbmisc",
	293	.data = &imx25_usbmisc_ops,
	294	},
9f90e111 AS	295	{
	296	.compatible = "fsl,imx27-usbmisc",
	297	.data = &imx27_usbmisc_ops,
	298	},
c4962e03 AS	299	{
	300	.compatible = "fsl,imx51-usbmisc",
	301	.data = &imx53_usbmisc_ops,
	302	},
f0c910b6 MG	303	{
	304	.compatible = "fsl,imx53-usbmisc",
	305	.data = &imx53_usbmisc_ops,
	306	},
e609108a MKB	307	{
	308	.compatible = "fsl,imx6q-usbmisc",
	309	.data = &imx6q_usbmisc_ops,
	310	},
f40017e0 SA	311	{
	312	.compatible = "fsl,vf610-usbmisc",
	313	.data = &vf610_usbmisc_ops,
	314	},
d142d6be RZ	315	{ /* sentinel */ }
d142d6be RZ	316	};
269b83dc	317	MODULE_DEVICE_TABLE(of, usbmisc_imx_dt_ids);
d142d6be	318
a7bc2fdf	319	static int usbmisc_imx_probe(struct platform_device *pdev)
d142d6be RZ	320	{
d142d6be RZ	321	struct resource *res;
a7bc2fdf	322	struct imx_usbmisc *data;
e609108a	323	struct of_device_id *tmp_dev;
d142d6be	324
d142d6be RZ	325	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
	326	if (!data)
	327	return -ENOMEM;
	328
	329	spin_lock_init(&data->lock);
	330
	331	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
148e1134 TR	332	data->base = devm_ioremap_resource(&pdev->dev, res);
	333	if (IS_ERR(data->base))
	334	return PTR_ERR(data->base);
d142d6be	335
e609108a MKB	336	tmp_dev = (struct of_device_id *)
	337	of_match_device(usbmisc_imx_dt_ids, &pdev->dev);
	338	data->ops = (const struct usbmisc_ops *)tmp_dev->data;
f40017e0	339	platform_set_drvdata(pdev, data);
d142d6be	340
d142d6be RZ	341	return 0;
	342	}
	343
a7bc2fdf	344	static int usbmisc_imx_remove(struct platform_device *pdev)
d142d6be	345	{
d142d6be RZ	346	return 0;
	347	}
	348
a7bc2fdf MG	349	static struct platform_driver usbmisc_imx_driver = {
	350	.probe = usbmisc_imx_probe,
	351	.remove = usbmisc_imx_remove,
d142d6be	352	.driver = {
a7bc2fdf	353	.name = "usbmisc_imx",
a7bc2fdf	354	.of_match_table = usbmisc_imx_dt_ids,
d142d6be RZ	355	},
	356	};
	357
0404ae03	358	module_platform_driver(usbmisc_imx_driver);
d142d6be	359
a7bc2fdf	360	MODULE_ALIAS("platform:usbmisc-imx");
d142d6be	361	MODULE_LICENSE("GPL v2");
a7bc2fdf	362	MODULE_DESCRIPTION("driver for imx usb non-core registers");
d142d6be	363	MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");