[linux-2.6-block.git] / drivers / usb / chipidea / ci_hdrc_msm.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/usb/chipidea.h>
#include <linux/clk.h>
#include <linux/reset.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <linux/io.h>
#include <linux/reset-controller.h>
#include <linux/extcon.h>
#include <linux/of.h>

#include "ci.h"

#define HS_PHY_AHB_MODE			0x0098

#define HS_PHY_GENCONFIG		0x009c
#define HS_PHY_TXFIFO_IDLE_FORCE_DIS	BIT(4)

#define HS_PHY_GENCONFIG_2		0x00a0
#define HS_PHY_SESS_VLD_CTRL_EN		BIT(7)
#define HS_PHY_ULPI_TX_PKT_EN_CLR_FIX	BIT(19)

#define HSPHY_SESS_VLD_CTRL		BIT(25)

/* Vendor base starts at 0x200 beyond CI base */
#define HS_PHY_CTRL			0x0040
#define HS_PHY_SEC_CTRL			0x0078
#define HS_PHY_DIG_CLAMP_N		BIT(16)
#define HS_PHY_POR_ASSERT		BIT(0)

struct ci_hdrc_msm {
	struct platform_device *ci;
	struct clk *core_clk;
	struct clk *iface_clk;
	struct clk *fs_clk;
	struct ci_hdrc_platform_data pdata;
	struct reset_controller_dev rcdev;
	bool secondary_phy;
	bool hsic;
	void __iomem *base;
};

static int
ci_hdrc_msm_por_reset(struct reset_controller_dev *r, unsigned long id)
{
	struct ci_hdrc_msm *ci_msm = container_of(r, struct ci_hdrc_msm, rcdev);
	void __iomem *addr = ci_msm->base;
	u32 val;

	if (id)
		addr += HS_PHY_SEC_CTRL;
	else
		addr += HS_PHY_CTRL;

	val = readl_relaxed(addr);
	val |= HS_PHY_POR_ASSERT;
	writel(val, addr);
	/*
	 * wait for minimum 10 microseconds as suggested by manual.
	 * Use a slightly larger value since the exact value didn't
	 * work 100% of the time.
	 */
	udelay(12);
	val &= ~HS_PHY_POR_ASSERT;
	writel(val, addr);

	return 0;
}

static const struct reset_control_ops ci_hdrc_msm_reset_ops = {
	.reset = ci_hdrc_msm_por_reset,
};

static int ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
{
	struct device *dev = ci->dev->parent;
	struct ci_hdrc_msm *msm_ci = dev_get_drvdata(dev);
	int ret;

	switch (event) {
	case CI_HDRC_CONTROLLER_RESET_EVENT:
		dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n");

		hw_phymode_configure(ci);
		if (msm_ci->secondary_phy) {
			u32 val = readl_relaxed(msm_ci->base + HS_PHY_SEC_CTRL);
			val |= HS_PHY_DIG_CLAMP_N;
			writel_relaxed(val, msm_ci->base + HS_PHY_SEC_CTRL);
		}

		ret = phy_init(ci->phy);
		if (ret)
			return ret;

		ret = phy_power_on(ci->phy);
		if (ret) {
			phy_exit(ci->phy);
			return ret;
		}

		/* use AHB transactor, allow posted data writes */
		hw_write_id_reg(ci, HS_PHY_AHB_MODE, 0xffffffff, 0x8);

		/* workaround for rx buffer collision issue */
		hw_write_id_reg(ci, HS_PHY_GENCONFIG,
				HS_PHY_TXFIFO_IDLE_FORCE_DIS, 0);

		if (!msm_ci->hsic)
			hw_write_id_reg(ci, HS_PHY_GENCONFIG_2,
					HS_PHY_ULPI_TX_PKT_EN_CLR_FIX, 0);

		if (!IS_ERR(ci->platdata->vbus_extcon.edev)) {
			hw_write_id_reg(ci, HS_PHY_GENCONFIG_2,
					HS_PHY_SESS_VLD_CTRL_EN,
					HS_PHY_SESS_VLD_CTRL_EN);
			hw_write(ci, OP_USBCMD, HSPHY_SESS_VLD_CTRL,
				 HSPHY_SESS_VLD_CTRL);

		}
		break;
	case CI_HDRC_CONTROLLER_STOPPED_EVENT:
		dev_dbg(dev, "CI_HDRC_CONTROLLER_STOPPED_EVENT received\n");
		phy_power_off(ci->phy);
		phy_exit(ci->phy);
		break;
	default:
		dev_dbg(dev, "unknown ci_hdrc event\n");
		break;
	}

	return 0;
}

static int ci_hdrc_msm_mux_phy(struct ci_hdrc_msm *ci,
			       struct platform_device *pdev)
{
	struct regmap *regmap;
	struct device *dev = &pdev->dev;
	struct of_phandle_args args;
	u32 val;
	int ret;

	ret = of_parse_phandle_with_fixed_args(dev->of_node, "phy-select", 2, 0,
					       &args);
	if (ret)
		return 0;

	regmap = syscon_node_to_regmap(args.np);
	of_node_put(args.np);
	if (IS_ERR(regmap))
		return PTR_ERR(regmap);

	ret = regmap_write(regmap, args.args[0], args.args[1]);
	if (ret)
		return ret;

	ci->secondary_phy = !!args.args[1];
	if (ci->secondary_phy) {
		val = readl_relaxed(ci->base + HS_PHY_SEC_CTRL);
		val |= HS_PHY_DIG_CLAMP_N;
		writel_relaxed(val, ci->base + HS_PHY_SEC_CTRL);
	}

	return 0;
}

static int ci_hdrc_msm_probe(struct platform_device *pdev)
{
	struct ci_hdrc_msm *ci;
	struct platform_device *plat_ci;
	struct clk *clk;
	struct reset_control *reset;
	struct resource *res;
	int ret;
	struct device_node *ulpi_node, *phy_node;

	dev_dbg(&pdev->dev, "ci_hdrc_msm_probe\n");

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

	ci->pdata.name = "ci_hdrc_msm";
	ci->pdata.capoffset = DEF_CAPOFFSET;
	ci->pdata.flags	= CI_HDRC_REGS_SHARED | CI_HDRC_DISABLE_STREAMING |
			  CI_HDRC_OVERRIDE_AHB_BURST |
			  CI_HDRC_OVERRIDE_PHY_CONTROL;
	ci->pdata.notify_event = ci_hdrc_msm_notify_event;

	reset = devm_reset_control_get(&pdev->dev, "core");
	if (IS_ERR(reset))
		return PTR_ERR(reset);

	ci->core_clk = clk = devm_clk_get(&pdev->dev, "core");
	if (IS_ERR(clk))
		return PTR_ERR(clk);

	ci->iface_clk = clk = devm_clk_get(&pdev->dev, "iface");
	if (IS_ERR(clk))
		return PTR_ERR(clk);

	ci->fs_clk = clk = devm_clk_get(&pdev->dev, "fs");
	if (IS_ERR(clk)) {
		if (PTR_ERR(clk) == -EPROBE_DEFER)
			return -EPROBE_DEFER;
		ci->fs_clk = NULL;
	}

	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	ci->base = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(ci->base))
		return PTR_ERR(ci->base);

	ci->rcdev.owner = THIS_MODULE;
	ci->rcdev.ops = &ci_hdrc_msm_reset_ops;
	ci->rcdev.of_node = pdev->dev.of_node;
	ci->rcdev.nr_resets = 2;
	ret = reset_controller_register(&ci->rcdev);
	if (ret)
		return ret;

	ret = clk_prepare_enable(ci->fs_clk);
	if (ret)
		goto err_fs;

	reset_control_assert(reset);
	usleep_range(10000, 12000);
	reset_control_deassert(reset);

	clk_disable_unprepare(ci->fs_clk);

	ret = clk_prepare_enable(ci->core_clk);
	if (ret)
		goto err_fs;

	ret = clk_prepare_enable(ci->iface_clk);
	if (ret)
		goto err_iface;

	ret = ci_hdrc_msm_mux_phy(ci, pdev);
	if (ret)
		goto err_mux;

	ulpi_node = of_get_child_by_name(pdev->dev.of_node, "ulpi");
	if (ulpi_node) {
		phy_node = of_get_next_available_child(ulpi_node, NULL);
		ci->hsic = of_device_is_compatible(phy_node, "qcom,usb-hsic-phy");
		of_node_put(phy_node);
	}
	of_node_put(ulpi_node);

	plat_ci = ci_hdrc_add_device(&pdev->dev, pdev->resource,
				     pdev->num_resources, &ci->pdata);
	if (IS_ERR(plat_ci)) {
		ret = PTR_ERR(plat_ci);
		if (ret != -EPROBE_DEFER)
			dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
		goto err_mux;
	}

	ci->ci = plat_ci;

	pm_runtime_set_active(&pdev->dev);
	pm_runtime_no_callbacks(&pdev->dev);
	pm_runtime_enable(&pdev->dev);

	return 0;

err_mux:
	clk_disable_unprepare(ci->iface_clk);
err_iface:
	clk_disable_unprepare(ci->core_clk);
err_fs:
	reset_controller_unregister(&ci->rcdev);
	return ret;
}

static int ci_hdrc_msm_remove(struct platform_device *pdev)
{
	struct ci_hdrc_msm *ci = platform_get_drvdata(pdev);

	pm_runtime_disable(&pdev->dev);
	ci_hdrc_remove_device(ci->ci);
	clk_disable_unprepare(ci->iface_clk);
	clk_disable_unprepare(ci->core_clk);
	reset_controller_unregister(&ci->rcdev);

	return 0;
}

static const struct of_device_id msm_ci_dt_match[] = {
	{ .compatible = "qcom,ci-hdrc", },
	{ }
};
MODULE_DEVICE_TABLE(of, msm_ci_dt_match);

static struct platform_driver ci_hdrc_msm_driver = {
	.probe = ci_hdrc_msm_probe,
	.remove = ci_hdrc_msm_remove,
	.driver = {
		.name = "msm_hsusb",
		.of_match_table = msm_ci_dt_match,
	},
};

module_platform_driver(ci_hdrc_msm_driver);

MODULE_ALIAS("platform:msm_hsusb");
MODULE_ALIAS("platform:ci13xxx_msm");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
5fd54ace	1	// SPDX-License-Identifier: GPL-2.0
51b751f1	2	/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. */
33f82f38 PK	3
	4	#include <linux/module.h>
	5	#include <linux/platform_device.h>
2d0cdcc5	6	#include <linux/pm_runtime.h>
e443b333	7	#include <linux/usb/chipidea.h>
e9f15a71 SB	8	#include <linux/clk.h>
e9f15a71 SB	9	#include <linux/reset.h>
2fc305be SB	10	#include <linux/mfd/syscon.h>
	11	#include <linux/regmap.h>
	12	#include <linux/io.h>
1b8fc5a5	13	#include <linux/reset-controller.h>
47654a16 SB	14	#include <linux/extcon.h>
47654a16 SB	15	#include <linux/of.h>
33f82f38	16
e443b333	17	#include "ci.h"
33f82f38	18
ee33f6e7	19	#define HS_PHY_AHB_MODE 0x0098
33f82f38	20
47654a16 SB	21	#define HS_PHY_GENCONFIG 0x009c
	22	#define HS_PHY_TXFIFO_IDLE_FORCE_DIS BIT(4)
	23
	24	#define HS_PHY_GENCONFIG_2 0x00a0
	25	#define HS_PHY_SESS_VLD_CTRL_EN BIT(7)
	26	#define HS_PHY_ULPI_TX_PKT_EN_CLR_FIX BIT(19)
	27
	28	#define HSPHY_SESS_VLD_CTRL BIT(25)
	29
2fc305be	30	/* Vendor base starts at 0x200 beyond CI base */
1b8fc5a5	31	#define HS_PHY_CTRL 0x0040
2fc305be SB	32	#define HS_PHY_SEC_CTRL 0x0078
2fc305be SB	33	#define HS_PHY_DIG_CLAMP_N BIT(16)
1b8fc5a5	34	#define HS_PHY_POR_ASSERT BIT(0)
2fc305be	35
e9f15a71 SB	36	struct ci_hdrc_msm {
	37	struct platform_device *ci;
	38	struct clk *core_clk;
	39	struct clk *iface_clk;
	40	struct clk *fs_clk;
26f8e3a8	41	struct ci_hdrc_platform_data pdata;
1b8fc5a5	42	struct reset_controller_dev rcdev;
2fc305be	43	bool secondary_phy;
47654a16	44	bool hsic;
2fc305be	45	void __iomem *base;
e9f15a71 SB	46	};
e9f15a71 SB	47
1b8fc5a5 SB	48	static int
	49	ci_hdrc_msm_por_reset(struct reset_controller_dev *r, unsigned long id)
	50	{
	51	struct ci_hdrc_msm *ci_msm = container_of(r, struct ci_hdrc_msm, rcdev);
	52	void __iomem *addr = ci_msm->base;
	53	u32 val;
	54
	55	if (id)
	56	addr += HS_PHY_SEC_CTRL;
	57	else
	58	addr += HS_PHY_CTRL;
	59
	60	val = readl_relaxed(addr);
	61	val \|= HS_PHY_POR_ASSERT;
	62	writel(val, addr);
	63	/*
	64	* wait for minimum 10 microseconds as suggested by manual.
	65	* Use a slightly larger value since the exact value didn't
	66	* work 100% of the time.
	67	*/
	68	udelay(12);
	69	val &= ~HS_PHY_POR_ASSERT;
	70	writel(val, addr);
	71
	72	return 0;
	73	}
	74
	75	static const struct reset_control_ops ci_hdrc_msm_reset_ops = {
	76	.reset = ci_hdrc_msm_por_reset,
	77	};
	78
11893dae	79	static int ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
33f82f38	80	{
2fc305be SB	81	struct device *dev = ci->dev->parent;
2fc305be SB	82	struct ci_hdrc_msm *msm_ci = dev_get_drvdata(dev);
11893dae	83	int ret;
33f82f38 PK	84
33f82f38 PK	85	switch (event) {
8e22978c AS	86	case CI_HDRC_CONTROLLER_RESET_EVENT:
8e22978c AS	87	dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n");
11893dae SB	88
11893dae SB	89	hw_phymode_configure(ci);
2fc305be SB	90	if (msm_ci->secondary_phy) {
	91	u32 val = readl_relaxed(msm_ci->base + HS_PHY_SEC_CTRL);
	92	val \|= HS_PHY_DIG_CLAMP_N;
	93	writel_relaxed(val, msm_ci->base + HS_PHY_SEC_CTRL);
	94	}
	95
11893dae SB	96	ret = phy_init(ci->phy);
	97	if (ret)
	98	return ret;
	99
	100	ret = phy_power_on(ci->phy);
	101	if (ret) {
	102	phy_exit(ci->phy);
	103	return ret;
	104	}
	105
5ce7d27d	106	/* use AHB transactor, allow posted data writes */
ee33f6e7	107	hw_write_id_reg(ci, HS_PHY_AHB_MODE, 0xffffffff, 0x8);
47654a16 SB	108
	109	/* workaround for rx buffer collision issue */
	110	hw_write_id_reg(ci, HS_PHY_GENCONFIG,
	111	HS_PHY_TXFIFO_IDLE_FORCE_DIS, 0);
	112
	113	if (!msm_ci->hsic)
	114	hw_write_id_reg(ci, HS_PHY_GENCONFIG_2,
	115	HS_PHY_ULPI_TX_PKT_EN_CLR_FIX, 0);
	116
	117	if (!IS_ERR(ci->platdata->vbus_extcon.edev)) {
	118	hw_write_id_reg(ci, HS_PHY_GENCONFIG_2,
	119	HS_PHY_SESS_VLD_CTRL_EN,
	120	HS_PHY_SESS_VLD_CTRL_EN);
	121	hw_write(ci, OP_USBCMD, HSPHY_SESS_VLD_CTRL,
	122	HSPHY_SESS_VLD_CTRL);
	123
	124	}
33f82f38	125	break;
8e22978c AS	126	case CI_HDRC_CONTROLLER_STOPPED_EVENT:
8e22978c AS	127	dev_dbg(dev, "CI_HDRC_CONTROLLER_STOPPED_EVENT received\n");
11893dae SB	128	phy_power_off(ci->phy);
11893dae SB	129	phy_exit(ci->phy);
33f82f38 PK	130	break;
33f82f38 PK	131	default:
8e22978c	132	dev_dbg(dev, "unknown ci_hdrc event\n");
33f82f38 PK	133	break;
33f82f38 PK	134	}
11893dae SB	135
11893dae SB	136	return 0;
33f82f38 PK	137	}
33f82f38 PK	138
2fc305be SB	139	static int ci_hdrc_msm_mux_phy(struct ci_hdrc_msm *ci,
	140	struct platform_device *pdev)
	141	{
	142	struct regmap *regmap;
	143	struct device *dev = &pdev->dev;
	144	struct of_phandle_args args;
	145	u32 val;
	146	int ret;
	147
	148	ret = of_parse_phandle_with_fixed_args(dev->of_node, "phy-select", 2, 0,
	149	&args);
	150	if (ret)
	151	return 0;
	152
	153	regmap = syscon_node_to_regmap(args.np);
	154	of_node_put(args.np);
	155	if (IS_ERR(regmap))
	156	return PTR_ERR(regmap);
	157
	158	ret = regmap_write(regmap, args.args[0], args.args[1]);
	159	if (ret)
	160	return ret;
	161
	162	ci->secondary_phy = !!args.args[1];
	163	if (ci->secondary_phy) {
	164	val = readl_relaxed(ci->base + HS_PHY_SEC_CTRL);
	165	val \|= HS_PHY_DIG_CLAMP_N;
	166	writel_relaxed(val, ci->base + HS_PHY_SEC_CTRL);
	167	}
	168
	169	return 0;
	170	}
	171
8e22978c	172	static int ci_hdrc_msm_probe(struct platform_device *pdev)
33f82f38	173	{
e9f15a71	174	struct ci_hdrc_msm *ci;
62bb84ed	175	struct platform_device *plat_ci;
e9f15a71 SB	176	struct clk *clk;
e9f15a71 SB	177	struct reset_control *reset;
2fc305be	178	struct resource *res;
e9f15a71	179	int ret;
47654a16	180	struct device_node ulpi_node, phy_node;
33f82f38	181
8e22978c	182	dev_dbg(&pdev->dev, "ci_hdrc_msm_probe\n");
33f82f38	183
e9f15a71 SB	184	ci = devm_kzalloc(&pdev->dev, sizeof(*ci), GFP_KERNEL);
	185	if (!ci)
	186	return -ENOMEM;
	187	platform_set_drvdata(pdev, ci);
	188
26f8e3a8 SB	189	ci->pdata.name = "ci_hdrc_msm";
	190	ci->pdata.capoffset = DEF_CAPOFFSET;
	191	ci->pdata.flags = CI_HDRC_REGS_SHARED \| CI_HDRC_DISABLE_STREAMING \|
11893dae SB	192	CI_HDRC_OVERRIDE_AHB_BURST \|
11893dae SB	193	CI_HDRC_OVERRIDE_PHY_CONTROL;
26f8e3a8	194	ci->pdata.notify_event = ci_hdrc_msm_notify_event;
2629b101	195
e9f15a71 SB	196	reset = devm_reset_control_get(&pdev->dev, "core");
	197	if (IS_ERR(reset))
	198	return PTR_ERR(reset);
	199
	200	ci->core_clk = clk = devm_clk_get(&pdev->dev, "core");
	201	if (IS_ERR(clk))
	202	return PTR_ERR(clk);
	203
	204	ci->iface_clk = clk = devm_clk_get(&pdev->dev, "iface");
	205	if (IS_ERR(clk))
	206	return PTR_ERR(clk);
	207
	208	ci->fs_clk = clk = devm_clk_get(&pdev->dev, "fs");
	209	if (IS_ERR(clk)) {
	210	if (PTR_ERR(clk) == -EPROBE_DEFER)
	211	return -EPROBE_DEFER;
	212	ci->fs_clk = NULL;
	213	}
	214
2fc305be SB	215	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
2fc305be SB	216	ci->base = devm_ioremap_resource(&pdev->dev, res);
753dfd23 WY	217	if (IS_ERR(ci->base))
753dfd23 WY	218	return PTR_ERR(ci->base);
2fc305be	219
1b8fc5a5 SB	220	ci->rcdev.owner = THIS_MODULE;
	221	ci->rcdev.ops = &ci_hdrc_msm_reset_ops;
	222	ci->rcdev.of_node = pdev->dev.of_node;
	223	ci->rcdev.nr_resets = 2;
	224	ret = reset_controller_register(&ci->rcdev);
e9f15a71 SB	225	if (ret)
	226	return ret;
	227
1b8fc5a5 SB	228	ret = clk_prepare_enable(ci->fs_clk);
	229	if (ret)
	230	goto err_fs;
	231
e9f15a71 SB	232	reset_control_assert(reset);
	233	usleep_range(10000, 12000);
	234	reset_control_deassert(reset);
	235
	236	clk_disable_unprepare(ci->fs_clk);
	237
	238	ret = clk_prepare_enable(ci->core_clk);
	239	if (ret)
1b8fc5a5	240	goto err_fs;
e9f15a71 SB	241
	242	ret = clk_prepare_enable(ci->iface_clk);
	243	if (ret)
	244	goto err_iface;
	245
2fc305be SB	246	ret = ci_hdrc_msm_mux_phy(ci, pdev);
	247	if (ret)
	248	goto err_mux;
	249
964728f9	250	ulpi_node = of_get_child_by_name(pdev->dev.of_node, "ulpi");
47654a16 SB	251	if (ulpi_node) {
	252	phy_node = of_get_next_available_child(ulpi_node, NULL);
	253	ci->hsic = of_device_is_compatible(phy_node, "qcom,usb-hsic-phy");
	254	of_node_put(phy_node);
	255	}
	256	of_node_put(ulpi_node);
	257
26f8e3a8 SB	258	plat_ci = ci_hdrc_add_device(&pdev->dev, pdev->resource,
26f8e3a8 SB	259	pdev->num_resources, &ci->pdata);
cbc6dc2a	260	if (IS_ERR(plat_ci)) {
e9f15a71	261	ret = PTR_ERR(plat_ci);
ed04f19f SB	262	if (ret != -EPROBE_DEFER)
ed04f19f SB	263	dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
e9f15a71	264	goto err_mux;
33f82f38 PK	265	}
33f82f38 PK	266
e9f15a71	267	ci->ci = plat_ci;
6bf83594	268
2c8ea46d	269	pm_runtime_set_active(&pdev->dev);
2d0cdcc5 PK	270	pm_runtime_no_callbacks(&pdev->dev);
	271	pm_runtime_enable(&pdev->dev);
	272
33f82f38	273	return 0;
e9f15a71 SB	274
	275	err_mux:
	276	clk_disable_unprepare(ci->iface_clk);
	277	err_iface:
	278	clk_disable_unprepare(ci->core_clk);
1b8fc5a5 SB	279	err_fs:
1b8fc5a5 SB	280	reset_controller_unregister(&ci->rcdev);
e9f15a71	281	return ret;
33f82f38 PK	282	}
33f82f38 PK	283
8e22978c	284	static int ci_hdrc_msm_remove(struct platform_device *pdev)
6bf83594	285	{
e9f15a71	286	struct ci_hdrc_msm *ci = platform_get_drvdata(pdev);
6bf83594 FB	287
6bf83594 FB	288	pm_runtime_disable(&pdev->dev);
e9f15a71 SB	289	ci_hdrc_remove_device(ci->ci);
	290	clk_disable_unprepare(ci->iface_clk);
	291	clk_disable_unprepare(ci->core_clk);
1b8fc5a5	292	reset_controller_unregister(&ci->rcdev);
6bf83594 FB	293
	294	return 0;
	295	}
	296
2629b101 II	297	static const struct of_device_id msm_ci_dt_match[] = {
	298	{ .compatible = "qcom,ci-hdrc", },
	299	{ }
	300	};
	301	MODULE_DEVICE_TABLE(of, msm_ci_dt_match);
	302
8e22978c AS	303	static struct platform_driver ci_hdrc_msm_driver = {
	304	.probe = ci_hdrc_msm_probe,
	305	.remove = ci_hdrc_msm_remove,
2629b101 II	306	.driver = {
	307	.name = "msm_hsusb",
	308	.of_match_table = msm_ci_dt_match,
	309	},
33f82f38 PK	310	};
33f82f38 PK	311
8e22978c	312	module_platform_driver(ci_hdrc_msm_driver);
4703d2e9	313
6bf83594	314	MODULE_ALIAS("platform:msm_hsusb");
8e22978c	315	MODULE_ALIAS("platform:ci13xxx_msm");
4703d2e9	316	MODULE_LICENSE("GPL v2");