usb: phy: ab8500-usb: update irq handling code (af6882be) · Commits · 戴 / test

drivers/usb/musb/ux500.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@
		#include <linux/err.h>
		#include <linux/io.h>
		#include <linux/platform_device.h>
		#include <linux/usb/musb-ux500.h>

		#include "musb_core.h"

		@@ -107,15 +108,15 @@ static int musb_otg_notifications(struct notifier_block *nb,
		event, usb_otg_state_string(musb->xceiv->state));

		switch (event) {
		case USB_EVENT_ID:
		case UX500_MUSB_ID:
		dev_dbg(musb->controller, "ID GND\n");
		ux500_musb_set_vbus(musb, 1);
		break;
		case USB_EVENT_VBUS:
		case UX500_MUSB_VBUS:
		dev_dbg(musb->controller, "VBUS Connect\n");
		ux500_musb_set_vbus(musb, 0);
		break;
		case USB_EVENT_NONE:
		case UX500_MUSB_NONE:
		dev_dbg(musb->controller, "VBUS Disconnect\n");
		if (is_host_active(musb))
		ux500_musb_set_vbus(musb, 0);

drivers/usb/phy/phy-ab8500-usb.c

+347 −93

Original line number	Diff line number	Diff line
		@@ -31,9 +31,11 @@
		#include <linux/delay.h>
		#include <linux/mfd/abx500.h>
		#include <linux/mfd/abx500/ab8500.h>
		#include <linux/usb/musb-ux500.h>

		#define AB8500_MAIN_WD_CTRL_REG 0x01
		#define AB8500_USB_LINE_STAT_REG 0x80
		#define AB8505_USB_LINE_STAT_REG 0x94
		#define AB8500_USB_PHY_CTRL_REG 0x8A

		#define AB8500_BIT_OTG_STAT_ID (1 << 0)
		@@ -44,36 +46,76 @@

		#define AB8500_WD_KICK_DELAY_US 100 /* usec */
		#define AB8500_WD_V11_DISABLE_DELAY_US 100 /* usec */
		#define AB8500_V20_31952_DISABLE_DELAY_US 100 /* usec */

		/* Usb line status register */
		enum ab8500_usb_link_status {
		USB_LINK_NOT_CONFIGURED = 0,
		USB_LINK_STD_HOST_NC,
		USB_LINK_STD_HOST_C_NS,
		USB_LINK_STD_HOST_C_S,
		USB_LINK_HOST_CHG_NM,
		USB_LINK_HOST_CHG_HS,
		USB_LINK_HOST_CHG_HS_CHIRP,
		USB_LINK_DEDICATED_CHG,
		USB_LINK_ACA_RID_A,
		USB_LINK_ACA_RID_B,
		USB_LINK_ACA_RID_C_NM,
		USB_LINK_ACA_RID_C_HS,
		USB_LINK_ACA_RID_C_HS_CHIRP,
		USB_LINK_HM_IDGND,
		USB_LINK_RESERVED,
		USB_LINK_NOT_VALID_LINK
		USB_LINK_NOT_CONFIGURED_8500 = 0,
		USB_LINK_STD_HOST_NC_8500,
		USB_LINK_STD_HOST_C_NS_8500,
		USB_LINK_STD_HOST_C_S_8500,
		USB_LINK_HOST_CHG_NM_8500,
		USB_LINK_HOST_CHG_HS_8500,
		USB_LINK_HOST_CHG_HS_CHIRP_8500,
		USB_LINK_DEDICATED_CHG_8500,
		USB_LINK_ACA_RID_A_8500,
		USB_LINK_ACA_RID_B_8500,
		USB_LINK_ACA_RID_C_NM_8500,
		USB_LINK_ACA_RID_C_HS_8500,
		USB_LINK_ACA_RID_C_HS_CHIRP_8500,
		USB_LINK_HM_IDGND_8500,
		USB_LINK_RESERVED_8500,
		USB_LINK_NOT_VALID_LINK_8500,
		};

		enum ab8505_usb_link_status {
		USB_LINK_NOT_CONFIGURED_8505 = 0,
		USB_LINK_STD_HOST_NC_8505,
		USB_LINK_STD_HOST_C_NS_8505,
		USB_LINK_STD_HOST_C_S_8505,
		USB_LINK_CDP_8505,
		USB_LINK_RESERVED0_8505,
		USB_LINK_RESERVED1_8505,
		USB_LINK_DEDICATED_CHG_8505,
		USB_LINK_ACA_RID_A_8505,
		USB_LINK_ACA_RID_B_8505,
		USB_LINK_ACA_RID_C_NM_8505,
		USB_LINK_RESERVED2_8505,
		USB_LINK_RESERVED3_8505,
		USB_LINK_HM_IDGND_8505,
		USB_LINK_CHARGERPORT_NOT_OK_8505,
		USB_LINK_CHARGER_DM_HIGH_8505,
		USB_LINK_PHYEN_NO_VBUS_NO_IDGND_8505,
		USB_LINK_STD_UPSTREAM_NO_IDGNG_NO_VBUS_8505,
		USB_LINK_STD_UPSTREAM_8505,
		USB_LINK_CHARGER_SE1_8505,
		USB_LINK_CARKIT_CHGR_1_8505,
		USB_LINK_CARKIT_CHGR_2_8505,
		USB_LINK_ACA_DOCK_CHGR_8505,
		USB_LINK_SAMSUNG_BOOT_CBL_PHY_EN_8505,
		USB_LINK_SAMSUNG_BOOT_CBL_PHY_DISB_8505,
		USB_LINK_SAMSUNG_UART_CBL_PHY_EN_8505,
		USB_LINK_SAMSUNG_UART_CBL_PHY_DISB_8505,
		USB_LINK_MOTOROLA_FACTORY_CBL_PHY_EN_8505,
		};

		enum ab8500_usb_mode {
		USB_IDLE = 0,
		USB_PERIPHERAL,
		USB_HOST,
		USB_DEDICATED_CHG
		};

		struct ab8500_usb {
		struct usb_phy phy;
		struct device *dev;
		struct ab8500 *ab8500;
		int irq_num_link_status;
		unsigned vbus_draw;
		struct delayed_work dwork;
		struct work_struct phy_dis_work;
		unsigned long link_status_wait;
		enum ab8500_usb_mode mode;
		int previous_link_status_state;
		};

		static inline struct ab8500_usb phy_to_ab(struct usb_phy x)
		@@ -104,6 +146,17 @@ static void ab8500_usb_wd_workaround(struct ab8500_usb *ab)
		0);
		}

		static void ab8500_usb_wd_linkstatus(struct ab8500_usb *ab, u8 bit)
		{
		/* Workaround for v2.0 bug # 31952 */
		if (is_ab8500_2p0(ab->ab8500)) {
		abx500_mask_and_set_register_interruptible(ab->dev,
		AB8500_USB, AB8500_USB_PHY_CTRL_REG,
		bit, bit);
		udelay(AB8500_V20_31952_DISABLE_DELAY_US);
		}
		}

		static void ab8500_usb_phy_ctrl(struct ab8500_usb *ab, bool sel_host,
		bool enable)
		{
		@@ -139,92 +192,276 @@ static void ab8500_usb_phy_ctrl(struct ab8500_usb *ab, bool sel_host,
		#define ab8500_usb_peri_phy_en(ab) ab8500_usb_phy_ctrl(ab, false, true)
		#define ab8500_usb_peri_phy_dis(ab) ab8500_usb_phy_ctrl(ab, false, false)

		static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
		static int ab8505_usb_link_status_update(struct ab8500_usb *ab,
		enum ab8505_usb_link_status lsts)
		{
		u8 reg;
		enum ab8500_usb_link_status lsts;
		void *v = NULL;
		enum usb_phy_events event;
		enum ux500_musb_vbus_id_status event = 0;

		abx500_get_register_interruptible(ab->dev,
		AB8500_USB,
		AB8500_USB_LINE_STAT_REG,
		&reg);
		dev_dbg(ab->dev, "ab8505_usb_link_status_update %d\n", lsts);

		lsts = (reg >> 3) & 0x0F;
		/*
		* Spurious link_status interrupts are seen at the time of
		* disconnection of a device in RIDA state
		*/
		if (ab->previous_link_status_state == USB_LINK_ACA_RID_A_8505 &&
		(lsts == USB_LINK_STD_HOST_NC_8505))
		return 0;

		ab->previous_link_status_state = lsts;

		switch (lsts) {
		case USB_LINK_NOT_CONFIGURED:
		case USB_LINK_RESERVED:
		case USB_LINK_NOT_VALID_LINK:
		/* TODO: Disable regulators. */
		ab8500_usb_host_phy_dis(ab);
		ab8500_usb_peri_phy_dis(ab);
		ab->phy.state = OTG_STATE_B_IDLE;
		case USB_LINK_ACA_RID_B_8505:
		event = UX500_MUSB_RIDB;
		case USB_LINK_NOT_CONFIGURED_8505:
		case USB_LINK_RESERVED0_8505:
		case USB_LINK_RESERVED1_8505:
		case USB_LINK_RESERVED2_8505:
		case USB_LINK_RESERVED3_8505:
		ab->mode = USB_IDLE;
		ab->phy.otg->default_a = false;
		ab->vbus_draw = 0;
		event = USB_EVENT_NONE;
		if (event != UX500_MUSB_RIDB)
		event = UX500_MUSB_NONE;
		/*
		* Fallback to default B_IDLE as nothing
		* is connected
		*/
		ab->phy.state = OTG_STATE_B_IDLE;
		break;

		case USB_LINK_STD_HOST_NC:
		case USB_LINK_STD_HOST_C_NS:
		case USB_LINK_STD_HOST_C_S:
		case USB_LINK_HOST_CHG_NM:
		case USB_LINK_HOST_CHG_HS:
		case USB_LINK_HOST_CHG_HS_CHIRP:
		if (ab->phy.otg->gadget) {
		/* TODO: Enable regulators. */
		case USB_LINK_ACA_RID_C_NM_8505:
		event = UX500_MUSB_RIDC;
		case USB_LINK_STD_HOST_NC_8505:
		case USB_LINK_STD_HOST_C_NS_8505:
		case USB_LINK_STD_HOST_C_S_8505:
		case USB_LINK_CDP_8505:
		if (ab->mode == USB_IDLE) {
		ab->mode = USB_PERIPHERAL;
		ab8500_usb_peri_phy_en(ab);
		v = ab->phy.otg->gadget;
		atomic_notifier_call_chain(&ab->phy.notifier,
		UX500_MUSB_PREPARE, &ab->vbus_draw);
		}
		event = USB_EVENT_VBUS;
		if (event != UX500_MUSB_RIDC)
		event = UX500_MUSB_VBUS;
		break;

		case USB_LINK_HM_IDGND:
		if (ab->phy.otg->host) {
		/* TODO: Enable regulators. */
		case USB_LINK_ACA_RID_A_8505:
		case USB_LINK_ACA_DOCK_CHGR_8505:
		event = UX500_MUSB_RIDA;
		case USB_LINK_HM_IDGND_8505:
		if (ab->mode == USB_IDLE) {
		ab->mode = USB_HOST;
		ab8500_usb_host_phy_en(ab);
		v = ab->phy.otg->host;
		atomic_notifier_call_chain(&ab->phy.notifier,
		UX500_MUSB_PREPARE, &ab->vbus_draw);
		}
		ab->phy.state = OTG_STATE_A_IDLE;
		ab->phy.otg->default_a = true;
		event = USB_EVENT_ID;
		if (event != UX500_MUSB_RIDA)
		event = UX500_MUSB_ID;
		atomic_notifier_call_chain(&ab->phy.notifier,
		event, &ab->vbus_draw);
		break;

		case USB_LINK_ACA_RID_A:
		case USB_LINK_ACA_RID_B:
		/* TODO */
		case USB_LINK_ACA_RID_C_NM:
		case USB_LINK_ACA_RID_C_HS:
		case USB_LINK_ACA_RID_C_HS_CHIRP:
		case USB_LINK_DEDICATED_CHG:
		/* TODO: vbus_draw */
		event = USB_EVENT_CHARGER;
		case USB_LINK_DEDICATED_CHG_8505:
		ab->mode = USB_DEDICATED_CHG;
		event = UX500_MUSB_CHARGER;
		atomic_notifier_call_chain(&ab->phy.notifier,
		event, &ab->vbus_draw);
		break;

		default:
		break;
		}

		atomic_notifier_call_chain(&ab->phy.notifier, event, v);
		return 0;
		}

		static int ab8500_usb_link_status_update(struct ab8500_usb *ab,
		enum ab8500_usb_link_status lsts)
		{
		enum ux500_musb_vbus_id_status event = 0;

		dev_dbg(ab->dev, "ab8500_usb_link_status_update %d\n", lsts);

		/*
		* Spurious link_status interrupts are seen in case of a
		* disconnection of a device in IDGND and RIDA stage
		*/
		if (ab->previous_link_status_state == USB_LINK_HM_IDGND_8500 &&
		(lsts == USB_LINK_STD_HOST_C_NS_8500 \|\|
		lsts == USB_LINK_STD_HOST_NC_8500))
		return 0;

		if (ab->previous_link_status_state == USB_LINK_ACA_RID_A_8500 &&
		lsts == USB_LINK_STD_HOST_NC_8500)
		return 0;

		ab->previous_link_status_state = lsts;

		switch (lsts) {
		case USB_LINK_ACA_RID_B_8500:
		event = UX500_MUSB_RIDB;
		case USB_LINK_NOT_CONFIGURED_8500:
		case USB_LINK_NOT_VALID_LINK_8500:
		ab->mode = USB_IDLE;
		ab->phy.otg->default_a = false;
		ab->vbus_draw = 0;
		if (event != UX500_MUSB_RIDB)
		event = UX500_MUSB_NONE;
		/* Fallback to default B_IDLE as nothing is connected */
		ab->phy.state = OTG_STATE_B_IDLE;
		break;

		case USB_LINK_ACA_RID_C_NM_8500:
		case USB_LINK_ACA_RID_C_HS_8500:
		case USB_LINK_ACA_RID_C_HS_CHIRP_8500:
		event = UX500_MUSB_RIDC;
		case USB_LINK_STD_HOST_NC_8500:
		case USB_LINK_STD_HOST_C_NS_8500:
		case USB_LINK_STD_HOST_C_S_8500:
		case USB_LINK_HOST_CHG_NM_8500:
		case USB_LINK_HOST_CHG_HS_8500:
		case USB_LINK_HOST_CHG_HS_CHIRP_8500:
		if (ab->mode == USB_IDLE) {
		ab->mode = USB_PERIPHERAL;
		ab8500_usb_peri_phy_en(ab);
		atomic_notifier_call_chain(&ab->phy.notifier,
		UX500_MUSB_PREPARE, &ab->vbus_draw);
		}
		if (event != UX500_MUSB_RIDC)
		event = UX500_MUSB_VBUS;
		break;

		static void ab8500_usb_delayed_work(struct work_struct *work)
		case USB_LINK_ACA_RID_A_8500:
		event = UX500_MUSB_RIDA;
		case USB_LINK_HM_IDGND_8500:
		if (ab->mode == USB_IDLE) {
		ab->mode = USB_HOST;
		ab8500_usb_host_phy_en(ab);
		atomic_notifier_call_chain(&ab->phy.notifier,
		UX500_MUSB_PREPARE, &ab->vbus_draw);
		}
		ab->phy.otg->default_a = true;
		if (event != UX500_MUSB_RIDA)
		event = UX500_MUSB_ID;
		atomic_notifier_call_chain(&ab->phy.notifier,
		event, &ab->vbus_draw);
		break;

		case USB_LINK_DEDICATED_CHG_8500:
		ab->mode = USB_DEDICATED_CHG;
		event = UX500_MUSB_CHARGER;
		atomic_notifier_call_chain(&ab->phy.notifier,
		event, &ab->vbus_draw);
		break;

		case USB_LINK_RESERVED_8500:
		break;
		}

		return 0;
		}

		/*
		* Connection Sequence:
		* 1. Link Status Interrupt
		* 2. Enable AB clock
		* 3. Enable AB regulators
		* 4. Enable USB phy
		* 5. Reset the musb controller
		* 6. Switch the ULPI GPIO pins to fucntion mode
		* 7. Enable the musb Peripheral5 clock
		* 8. Restore MUSB context
		*/
		static int abx500_usb_link_status_update(struct ab8500_usb *ab)
		{
		struct ab8500_usb *ab = container_of(work, struct ab8500_usb,
		dwork.work);
		u8 reg;
		int ret = 0;

		if (is_ab8500(ab->ab8500)) {
		enum ab8500_usb_link_status lsts;

		abx500_get_register_interruptible(ab->dev,
		AB8500_USB, AB8500_USB_LINE_STAT_REG, &reg);
		lsts = (reg >> 3) & 0x0F;
		ret = ab8500_usb_link_status_update(ab, lsts);
		} else if (is_ab8505(ab->ab8500)) {
		enum ab8505_usb_link_status lsts;

		abx500_get_register_interruptible(ab->dev,
		AB8500_USB, AB8505_USB_LINE_STAT_REG, &reg);
		lsts = (reg >> 3) & 0x1F;
		ret = ab8505_usb_link_status_update(ab, lsts);
		}

		ab8500_usb_link_status_update(ab);
		return ret;
		}

		static irqreturn_t ab8500_usb_v20_irq(int irq, void *data)
		/*
		* Disconnection Sequence:
		* 1. Disconect Interrupt
		* 2. Disable regulators
		* 3. Disable AB clock
		* 4. Disable the Phy
		* 5. Link Status Interrupt
		* 6. Disable Musb Clock
		*/
		static irqreturn_t ab8500_usb_disconnect_irq(int irq, void *data)
		{
		struct ab8500_usb ab = (struct ab8500_usb ) data;
		enum usb_phy_events event = UX500_MUSB_NONE;

		/* Link status will not be updated till phy is disabled. */
		if (ab->mode == USB_HOST) {
		ab->phy.otg->default_a = false;
		ab->vbus_draw = 0;
		atomic_notifier_call_chain(&ab->phy.notifier,
		event, &ab->vbus_draw);
		ab8500_usb_host_phy_dis(ab);
		ab->mode = USB_IDLE;
		}

		ab8500_usb_link_status_update(ab);
		if (ab->mode == USB_PERIPHERAL) {
		atomic_notifier_call_chain(&ab->phy.notifier,
		event, &ab->vbus_draw);
		ab8500_usb_peri_phy_dis(ab);
		atomic_notifier_call_chain(&ab->phy.notifier,
		UX500_MUSB_CLEAN, &ab->vbus_draw);
		ab->mode = USB_IDLE;
		ab->phy.otg->default_a = false;
		ab->vbus_draw = 0;
		}

		if (is_ab8500_2p0(ab->ab8500)) {
		if (ab->mode == USB_DEDICATED_CHG) {
		ab8500_usb_wd_linkstatus(ab,
		AB8500_BIT_PHY_CTRL_DEVICE_EN);
		abx500_mask_and_set_register_interruptible(ab->dev,
		AB8500_USB, AB8500_USB_PHY_CTRL_REG,
		AB8500_BIT_PHY_CTRL_DEVICE_EN, 0);
		}
		}

		return IRQ_HANDLED;
		}

		static irqreturn_t ab8500_usb_link_status_irq(int irq, void *data)
		{
		struct ab8500_usb ab = (struct ab8500_usb ) data;

		abx500_usb_link_status_update(ab);

		return IRQ_HANDLED;
		}

		static void ab8500_usb_delayed_work(struct work_struct *work)
		{
		struct ab8500_usb *ab = container_of(work, struct ab8500_usb,
		dwork.work);

		abx500_usb_link_status_update(ab);
		}

		static void ab8500_usb_phy_disable_work(struct work_struct *work)
		{
		struct ab8500_usb *ab = container_of(work, struct ab8500_usb,
		@@ -250,7 +487,7 @@ static int ab8500_usb_set_power(struct usb_phy *phy, unsigned mA)

		if (mA)
		atomic_notifier_call_chain(&ab->phy.notifier,
		USB_EVENT_ENUMERATED, ab->phy.otg->gadget);
		UX500_MUSB_ENUMERATED, ab->phy.otg->gadget);
		return 0;
		}

		@@ -327,30 +564,48 @@ static int ab8500_usb_set_host(struct usb_otg otg, struct usb_bus host)
		return 0;
		}

		static void ab8500_usb_irq_free(struct ab8500_usb *ab)
		{
		free_irq(ab->irq_num_link_status, ab);
		}

		static int ab8500_usb_v2_res_setup(struct platform_device *pdev,
		static int ab8500_usb_irq_setup(struct platform_device *pdev,
		struct ab8500_usb *ab)
		{
		int err;
		int irq;

		ab->irq_num_link_status = platform_get_irq_byname(pdev,
		"USB_LINK_STATUS");
		if (ab->irq_num_link_status < 0) {
		irq = platform_get_irq_byname(pdev, "USB_LINK_STATUS");
		if (irq < 0) {
		dev_err(&pdev->dev, "Link status irq not found\n");
		return ab->irq_num_link_status;
		return irq;
		}
		err = devm_request_threaded_irq(&pdev->dev, irq, NULL,
		ab8500_usb_link_status_irq,
		IRQF_NO_SUSPEND \| IRQF_SHARED, "usb-link-status", ab);
		if (err < 0) {
		dev_err(ab->dev, "request_irq failed for link status irq\n");
		return err;
		}

		err = request_threaded_irq(ab->irq_num_link_status, NULL,
		ab8500_usb_v20_irq,
		IRQF_NO_SUSPEND \| IRQF_SHARED,
		"usb-link-status", ab);
		irq = platform_get_irq_byname(pdev, "ID_WAKEUP_F");
		if (irq < 0) {
		dev_err(&pdev->dev, "ID fall irq not found\n");
		return irq;
		}
		err = devm_request_threaded_irq(&pdev->dev, irq, NULL,
		ab8500_usb_disconnect_irq,
		IRQF_NO_SUSPEND \| IRQF_SHARED, "usb-id-fall", ab);
		if (err < 0) {
		dev_err(ab->dev,
		"request_irq failed for link status irq\n");
		dev_err(ab->dev, "request_irq failed for ID fall irq\n");
		return err;
		}

		irq = platform_get_irq_byname(pdev, "VBUS_DET_F");
		if (irq < 0) {
		dev_err(&pdev->dev, "VBUS fall irq not found\n");
		return irq;
		}
		err = devm_request_threaded_irq(&pdev->dev, irq, NULL,
		ab8500_usb_disconnect_irq,
		IRQF_NO_SUSPEND \| IRQF_SHARED, "usb-vbus-fall", ab);
		if (err < 0) {
		dev_err(ab->dev, "request_irq failed for Vbus fall irq\n");
		return err;
		}

		@@ -408,22 +663,23 @@ static int ab8500_usb_probe(struct platform_device *pdev)
		/* all: Disable phy when called from set_host and set_peripheral */
		INIT_WORK(&ab->phy_dis_work, ab8500_usb_phy_disable_work);

		err = ab8500_usb_v2_res_setup(pdev, ab);
		err = ab8500_usb_irq_setup(pdev, ab);
		if (err < 0)
		goto fail0;
		goto fail;

		err = usb_add_phy(&ab->phy, USB_PHY_TYPE_USB2);
		if (err) {
		dev_err(&pdev->dev, "Can't register transceiver\n");
		goto fail1;
		goto fail;
		}

		/* Needed to enable ID detection. */
		ab8500_usb_wd_workaround(ab);

		dev_info(&pdev->dev, "revision 0x%2x driver initialized\n", rev);

		return 0;
		fail1:
		ab8500_usb_irq_free(ab);
		fail0:
		fail:
		kfree(otg);
		kfree(ab);
		return err;
		@@ -433,8 +689,6 @@ static int ab8500_usb_remove(struct platform_device *pdev)
		{
		struct ab8500_usb *ab = platform_get_drvdata(pdev);

		ab8500_usb_irq_free(ab);

		cancel_delayed_work_sync(&ab->dwork);

		cancel_work_sync(&ab->phy_dis_work);

include/linux/usb/musb-ux500.h

0 → 100644

+31 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2013 ST-Ericsson AB
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License as published by
		* the Free Software Foundation; either version 2 of the License, or
		* (at your option) any later version.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*/

		#ifndef __MUSB_UX500_H__
		#define __MUSB_UX500_H__

		enum ux500_musb_vbus_id_status {
		UX500_MUSB_NONE = 0,
		UX500_MUSB_VBUS,
		UX500_MUSB_ID,
		UX500_MUSB_CHARGER,
		UX500_MUSB_ENUMERATED,
		UX500_MUSB_RIDA,
		UX500_MUSB_RIDB,
		UX500_MUSB_RIDC,
		UX500_MUSB_PREPARE,
		UX500_MUSB_CLEAN,
		};

		#endif /* __MUSB_UX500_H__ */

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