Release 4.7 drivers/usb/dwc3/dwc3-omap.c
/**
* dwc3-omap.c - OMAP Specific Glue layer
*
* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
*
* Authors: Felipe Balbi <balbi@ti.com>,
* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 of
* the License as published by the Free Software Foundation.
*
* 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.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/platform_data/dwc3-omap.h>
#include <linux/pm_runtime.h>
#include <linux/dma-mapping.h>
#include <linux/ioport.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/extcon.h>
#include <linux/regulator/consumer.h>
#include <linux/usb/otg.h>
/*
* All these registers belong to OMAP's Wrapper around the
* DesignWare USB3 Core.
*/
#define USBOTGSS_REVISION 0x0000
#define USBOTGSS_SYSCONFIG 0x0010
#define USBOTGSS_IRQ_EOI 0x0020
#define USBOTGSS_EOI_OFFSET 0x0008
#define USBOTGSS_IRQSTATUS_RAW_0 0x0024
#define USBOTGSS_IRQSTATUS_0 0x0028
#define USBOTGSS_IRQENABLE_SET_0 0x002c
#define USBOTGSS_IRQENABLE_CLR_0 0x0030
#define USBOTGSS_IRQ0_OFFSET 0x0004
#define USBOTGSS_IRQSTATUS_RAW_1 0x0030
#define USBOTGSS_IRQSTATUS_1 0x0034
#define USBOTGSS_IRQENABLE_SET_1 0x0038
#define USBOTGSS_IRQENABLE_CLR_1 0x003c
#define USBOTGSS_IRQSTATUS_RAW_2 0x0040
#define USBOTGSS_IRQSTATUS_2 0x0044
#define USBOTGSS_IRQENABLE_SET_2 0x0048
#define USBOTGSS_IRQENABLE_CLR_2 0x004c
#define USBOTGSS_IRQSTATUS_RAW_3 0x0050
#define USBOTGSS_IRQSTATUS_3 0x0054
#define USBOTGSS_IRQENABLE_SET_3 0x0058
#define USBOTGSS_IRQENABLE_CLR_3 0x005c
#define USBOTGSS_IRQSTATUS_EOI_MISC 0x0030
#define USBOTGSS_IRQSTATUS_RAW_MISC 0x0034
#define USBOTGSS_IRQSTATUS_MISC 0x0038
#define USBOTGSS_IRQENABLE_SET_MISC 0x003c
#define USBOTGSS_IRQENABLE_CLR_MISC 0x0040
#define USBOTGSS_IRQMISC_OFFSET 0x03fc
#define USBOTGSS_UTMI_OTG_STATUS 0x0080
#define USBOTGSS_UTMI_OTG_CTRL 0x0084
#define USBOTGSS_UTMI_OTG_OFFSET 0x0480
#define USBOTGSS_TXFIFO_DEPTH 0x0508
#define USBOTGSS_RXFIFO_DEPTH 0x050c
#define USBOTGSS_MMRAM_OFFSET 0x0100
#define USBOTGSS_FLADJ 0x0104
#define USBOTGSS_DEBUG_CFG 0x0108
#define USBOTGSS_DEBUG_DATA 0x010c
#define USBOTGSS_DEV_EBC_EN 0x0110
#define USBOTGSS_DEBUG_OFFSET 0x0600
/* SYSCONFIG REGISTER */
#define USBOTGSS_SYSCONFIG_DMADISABLE (1 << 16)
/* IRQ_EOI REGISTER */
#define USBOTGSS_IRQ_EOI_LINE_NUMBER (1 << 0)
/* IRQS0 BITS */
#define USBOTGSS_IRQO_COREIRQ_ST (1 << 0)
/* IRQMISC BITS */
#define USBOTGSS_IRQMISC_DMADISABLECLR (1 << 17)
#define USBOTGSS_IRQMISC_OEVT (1 << 16)
#define USBOTGSS_IRQMISC_DRVVBUS_RISE (1 << 13)
#define USBOTGSS_IRQMISC_CHRGVBUS_RISE (1 << 12)
#define USBOTGSS_IRQMISC_DISCHRGVBUS_RISE (1 << 11)
#define USBOTGSS_IRQMISC_IDPULLUP_RISE (1 << 8)
#define USBOTGSS_IRQMISC_DRVVBUS_FALL (1 << 5)
#define USBOTGSS_IRQMISC_CHRGVBUS_FALL (1 << 4)
#define USBOTGSS_IRQMISC_DISCHRGVBUS_FALL (1 << 3)
#define USBOTGSS_IRQMISC_IDPULLUP_FALL (1 << 0)
/* UTMI_OTG_STATUS REGISTER */
#define USBOTGSS_UTMI_OTG_STATUS_DRVVBUS (1 << 5)
#define USBOTGSS_UTMI_OTG_STATUS_CHRGVBUS (1 << 4)
#define USBOTGSS_UTMI_OTG_STATUS_DISCHRGVBUS (1 << 3)
#define USBOTGSS_UTMI_OTG_STATUS_IDPULLUP (1 << 0)
/* UTMI_OTG_CTRL REGISTER */
#define USBOTGSS_UTMI_OTG_CTRL_SW_MODE (1 << 31)
#define USBOTGSS_UTMI_OTG_CTRL_POWERPRESENT (1 << 9)
#define USBOTGSS_UTMI_OTG_CTRL_TXBITSTUFFENABLE (1 << 8)
#define USBOTGSS_UTMI_OTG_CTRL_IDDIG (1 << 4)
#define USBOTGSS_UTMI_OTG_CTRL_SESSEND (1 << 3)
#define USBOTGSS_UTMI_OTG_CTRL_SESSVALID (1 << 2)
#define USBOTGSS_UTMI_OTG_CTRL_VBUSVALID (1 << 1)
struct dwc3_omap {
struct device *dev;
int irq;
void __iomem *base;
u32 utmi_otg_ctrl;
u32 utmi_otg_offset;
u32 irqmisc_offset;
u32 irq_eoi_offset;
u32 debug_offset;
u32 irq0_offset;
struct extcon_dev *edev;
struct notifier_block vbus_nb;
struct notifier_block id_nb;
struct regulator *vbus_reg;
};
enum omap_dwc3_vbus_id_status {
OMAP_DWC3_ID_FLOAT,
OMAP_DWC3_ID_GROUND,
OMAP_DWC3_VBUS_OFF,
OMAP_DWC3_VBUS_VALID,
};
static inline u32 dwc3_omap_readl(void __iomem *base, u32 offset)
{
return readl(base + offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
ido shayevitz | ido shayevitz | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
static inline void dwc3_omap_writel(void __iomem *base, u32 offset, u32 value)
{
writel(value, base + offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
ido shayevitz | ido shayevitz | 27 | 100.00% | 1 | 100.00% |
| Total | 27 | 100.00% | 1 | 100.00% |
static u32 dwc3_omap_read_utmi_ctrl(struct dwc3_omap *omap)
{
return dwc3_omap_readl(omap->base, USBOTGSS_UTMI_OTG_CTRL +
omap->utmi_otg_offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 23 | 92.00% | 1 | 50.00% |
bin liu | bin liu | 2 | 8.00% | 1 | 50.00% |
| Total | 25 | 100.00% | 2 | 100.00% |
static void dwc3_omap_write_utmi_ctrl(struct dwc3_omap *omap, u32 value)
{
dwc3_omap_writel(omap->base, USBOTGSS_UTMI_OTG_CTRL +
omap->utmi_otg_offset, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 27 | 93.10% | 1 | 50.00% |
bin liu | bin liu | 2 | 6.90% | 1 | 50.00% |
| Total | 29 | 100.00% | 2 | 100.00% |
static u32 dwc3_omap_read_irq0_status(struct dwc3_omap *omap)
{
return dwc3_omap_readl(omap->base, USBOTGSS_IRQSTATUS_0 -
omap->irq0_offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
static void dwc3_omap_write_irq0_status(struct dwc3_omap *omap, u32 value)
{
dwc3_omap_writel(omap->base, USBOTGSS_IRQSTATUS_0 -
omap->irq0_offset, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static u32 dwc3_omap_read_irqmisc_status(struct dwc3_omap *omap)
{
return dwc3_omap_readl(omap->base, USBOTGSS_IRQSTATUS_MISC +
omap->irqmisc_offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
static void dwc3_omap_write_irqmisc_status(struct dwc3_omap *omap, u32 value)
{
dwc3_omap_writel(omap->base, USBOTGSS_IRQSTATUS_MISC +
omap->irqmisc_offset, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static void dwc3_omap_write_irqmisc_set(struct dwc3_omap *omap, u32 value)
{
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_MISC +
omap->irqmisc_offset, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static void dwc3_omap_write_irq0_set(struct dwc3_omap *omap, u32 value)
{
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_0 -
omap->irq0_offset, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static void dwc3_omap_write_irqmisc_clr(struct dwc3_omap *omap, u32 value)
{
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_MISC +
omap->irqmisc_offset, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static void dwc3_omap_write_irq0_clr(struct dwc3_omap *omap, u32 value)
{
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_0 -
omap->irq0_offset, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static void dwc3_omap_set_mailbox(struct dwc3_omap *omap,
enum omap_dwc3_vbus_id_status status)
{
int ret;
u32 val;
switch (status) {
case OMAP_DWC3_ID_GROUND:
if (omap->vbus_reg) {
ret = regulator_enable(omap->vbus_reg);
if (ret) {
dev_err(omap->dev, "regulator enable failed\n");
return;
}
}
val = dwc3_omap_read_utmi_ctrl(omap);
val &= ~(USBOTGSS_UTMI_OTG_CTRL_IDDIG
| USBOTGSS_UTMI_OTG_CTRL_VBUSVALID
| USBOTGSS_UTMI_OTG_CTRL_SESSEND);
val |= USBOTGSS_UTMI_OTG_CTRL_SESSVALID
| USBOTGSS_UTMI_OTG_CTRL_POWERPRESENT;
dwc3_omap_write_utmi_ctrl(omap, val);
break;
case OMAP_DWC3_VBUS_VALID:
val = dwc3_omap_read_utmi_ctrl(omap);
val &= ~USBOTGSS_UTMI_OTG_CTRL_SESSEND;
val |= USBOTGSS_UTMI_OTG_CTRL_IDDIG
| USBOTGSS_UTMI_OTG_CTRL_VBUSVALID
| USBOTGSS_UTMI_OTG_CTRL_SESSVALID
| USBOTGSS_UTMI_OTG_CTRL_POWERPRESENT;
dwc3_omap_write_utmi_ctrl(omap, val);
break;
case OMAP_DWC3_ID_FLOAT:
if (omap->vbus_reg)
regulator_disable(omap->vbus_reg);
case OMAP_DWC3_VBUS_OFF:
val = dwc3_omap_read_utmi_ctrl(omap);
val &= ~(USBOTGSS_UTMI_OTG_CTRL_SESSVALID
| USBOTGSS_UTMI_OTG_CTRL_VBUSVALID
| USBOTGSS_UTMI_OTG_CTRL_POWERPRESENT);
val |= USBOTGSS_UTMI_OTG_CTRL_SESSEND
| USBOTGSS_UTMI_OTG_CTRL_IDDIG;
dwc3_omap_write_utmi_ctrl(omap, val);
break;
default:
dev_WARN(omap->dev, "invalid state\n");
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
kishon vijay abraham i | kishon vijay abraham i | 166 | 87.83% | 2 | 50.00% |
bin liu | bin liu | 21 | 11.11% | 1 | 25.00% |
felipe balbi | felipe balbi | 2 | 1.06% | 1 | 25.00% |
| Total | 189 | 100.00% | 4 | 100.00% |
static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap)
{
struct dwc3_omap *omap = _omap;
u32 reg;
reg = dwc3_omap_read_irqmisc_status(omap);
dwc3_omap_write_irqmisc_status(omap, reg);
reg = dwc3_omap_read_irq0_status(omap);
dwc3_omap_write_irq0_status(omap, reg);
return IRQ_HANDLED;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
felipe balbi | felipe balbi | 50 | 92.59% | 2 | 66.67% |
george cherian | george cherian | 4 | 7.41% | 1 | 33.33% |
| Total | 54 | 100.00% | 3 | 100.00% |
static void dwc3_omap_enable_irqs(struct dwc3_omap *omap)
{
u32 reg;
/* enable all IRQs */
reg = USBOTGSS_IRQO_COREIRQ_ST;
dwc3_omap_write_irq0_set(omap, reg);
reg = (USBOTGSS_IRQMISC_OEVT |
USBOTGSS_IRQMISC_DRVVBUS_RISE |
USBOTGSS_IRQMISC_CHRGVBUS_RISE |
USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
USBOTGSS_IRQMISC_IDPULLUP_RISE |
USBOTGSS_IRQMISC_DRVVBUS_FALL |
USBOTGSS_IRQMISC_CHRGVBUS_FALL |
USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
USBOTGSS_IRQMISC_IDPULLUP_FALL);
dwc3_omap_write_irqmisc_set(omap, reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
felipe balbi | felipe balbi | 44 | 80.00% | 1 | 50.00% |
george cherian | george cherian | 11 | 20.00% | 1 | 50.00% |
| Total | 55 | 100.00% | 2 | 100.00% |
static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
{
u32 reg;
/* disable all IRQs */
reg = USBOTGSS_IRQO_COREIRQ_ST;
dwc3_omap_write_irq0_clr(omap, reg);
reg = (USBOTGSS_IRQMISC_OEVT |
USBOTGSS_IRQMISC_DRVVBUS_RISE |
USBOTGSS_IRQMISC_CHRGVBUS_RISE |
USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
USBOTGSS_IRQMISC_IDPULLUP_RISE |
USBOTGSS_IRQMISC_DRVVBUS_FALL |
USBOTGSS_IRQMISC_CHRGVBUS_FALL |
USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
USBOTGSS_IRQMISC_IDPULLUP_FALL);
dwc3_omap_write_irqmisc_clr(omap, reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 33 | 60.00% | 1 | 50.00% |
felipe balbi | felipe balbi | 22 | 40.00% | 1 | 50.00% |
| Total | 55 | 100.00% | 2 | 100.00% |
static int dwc3_omap_id_notifier(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct dwc3_omap *omap = container_of(nb, struct dwc3_omap, id_nb);
if (event)
dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND);
else
dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_FLOAT);
return NOTIFY_DONE;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
kishon vijay abraham i | kishon vijay abraham i | 56 | 100.00% | 1 | 100.00% |
| Total | 56 | 100.00% | 1 | 100.00% |
static int dwc3_omap_vbus_notifier(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct dwc3_omap *omap = container_of(nb, struct dwc3_omap, vbus_nb);
if (event)
dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID);
else
dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_OFF);
return NOTIFY_DONE;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
kishon vijay abraham i | kishon vijay abraham i | 56 | 100.00% | 1 | 100.00% |
| Total | 56 | 100.00% | 1 | 100.00% |
static void dwc3_omap_map_offset(struct dwc3_omap *omap)
{
struct device_node *node = omap->dev->of_node;
/*
* Differentiate between OMAP5 and AM437x.
*
* For OMAP5(ES2.0) and AM437x wrapper revision is same, even
* though there are changes in wrapper register offsets.
*
* Using dt compatible to differentiate AM437x.
*/
if (of_device_is_compatible(node, "ti,am437x-dwc3")) {
omap->irq_eoi_offset = USBOTGSS_EOI_OFFSET;
omap->irq0_offset = USBOTGSS_IRQ0_OFFSET;
omap->irqmisc_offset = USBOTGSS_IRQMISC_OFFSET;
omap->utmi_otg_offset = USBOTGSS_UTMI_OTG_OFFSET;
omap->debug_offset = USBOTGSS_DEBUG_OFFSET;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 49 | 76.56% | 1 | 33.33% |
felipe balbi | felipe balbi | 15 | 23.44% | 2 | 66.67% |
| Total | 64 | 100.00% | 3 | 100.00% |
static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap)
{
u32 reg;
struct device_node *node = omap->dev->of_node;
int utmi_mode = 0;
reg = dwc3_omap_read_utmi_ctrl(omap);
of_property_read_u32(node, "utmi-mode", &utmi_mode);
switch (utmi_mode) {
case DWC3_OMAP_UTMI_MODE_SW:
reg |= USBOTGSS_UTMI_OTG_CTRL_SW_MODE;
break;
case DWC3_OMAP_UTMI_MODE_HW:
reg &= ~USBOTGSS_UTMI_OTG_CTRL_SW_MODE;
break;
default:
dev_WARN(omap->dev, "UNKNOWN utmi mode %d\n", utmi_mode);
}
dwc3_omap_write_utmi_ctrl(omap, reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 46 | 51.69% | 1 | 12.50% |
felipe balbi | felipe balbi | 28 | 31.46% | 3 | 37.50% |
kishon vijay abraham i | kishon vijay abraham i | 6 | 6.74% | 2 | 25.00% |
chanho park | chanho park | 5 | 5.62% | 1 | 12.50% |
bin liu | bin liu | 4 | 4.49% | 1 | 12.50% |
| Total | 89 | 100.00% | 8 | 100.00% |
static int dwc3_omap_extcon_register(struct dwc3_omap *omap)
{
int ret;
struct device_node *node = omap->dev->of_node;
struct extcon_dev *edev;
if (of_property_read_bool(node, "extcon")) {
edev = extcon_get_edev_by_phandle(omap->dev, 0);
if (IS_ERR(edev)) {
dev_vdbg(omap->dev, "couldn't get extcon device\n");
return -EPROBE_DEFER;
}
omap->vbus_nb.notifier_call = dwc3_omap_vbus_notifier;
ret = extcon_register_notifier(edev, EXTCON_USB,
&omap->vbus_nb);
if (ret < 0)
dev_vdbg(omap->dev, "failed to register notifier for USB\n");
omap->id_nb.notifier_call = dwc3_omap_id_notifier;
ret = extcon_register_notifier(edev, EXTCON_USB_HOST,
&omap->id_nb);
if (ret < 0)
dev_vdbg(omap->dev, "failed to register notifier for USB-HOST\n");
if (extcon_get_cable_state_(edev, EXTCON_USB) == true)
dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID);
if (extcon_get_cable_state_(edev, EXTCON_USB_HOST) == true)
dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND);
omap->edev = edev;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
george cherian | george cherian | 123 | 63.73% | 1 | 14.29% |
felipe balbi | felipe balbi | 29 | 15.03% | 1 | 14.29% |
kishon vijay abraham i | kishon vijay abraham i | 24 | 12.44% | 2 | 28.57% |
chanwoo choi | chanwoo choi | 14 | 7.25% | 1 | 14.29% |
chanho park | chanho park | 2 | 1.04% | 1 | 14.29% |
dan carpenter | dan carpenter | 1 | 0.52% | 1 | 14.29% |
| Total | 193 | 100.00% | 7 | 100.00% |
static int dwc3_omap_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
struct dwc3_omap *omap;
struct resource *res;
struct device *dev = &pdev->dev;
struct regulator *vbus_reg = NULL;
int ret;
int irq;
u32 reg;
void __iomem *base;
if (!node) {
dev_err(dev, "device node not found\n");
return -EINVAL;
}
omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
if (!omap)
return -ENOMEM;
platform_set_drvdata(pdev, omap);
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "missing IRQ resource\n");
return -EINVAL;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(dev, res);
if (IS_ERR(base))
return PTR_ERR(base);
if (of_property_read_bool(node, "vbus-supply")) {
vbus_reg = devm_regulator_get(dev, "vbus");
if (IS_ERR(vbus_reg)) {
dev_err(dev, "vbus init failed\n");
return PTR_ERR(vbus_reg);
}
}
omap->dev = dev;
omap->irq = irq;
omap->base = base;
omap->vbus_reg = vbus_reg;
pm_runtime_enable(dev);
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
dev_err(dev, "get_sync failed with err %d\n", ret);
goto err1;
}
dwc3_omap_map_offset(omap);
dwc3_omap_set_utmi_mode(omap);
/* check the DMA Status */
reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
ret = devm_request_irq(dev, omap->irq, dwc3_omap_interrupt, 0,
"dwc3-omap", omap);
if (ret) {
dev_err(dev, "failed to request IRQ #%d --> %d\n",
omap->irq, ret);
goto err1;
}
ret = dwc3_omap_extcon_register(omap);
if (ret < 0)
goto err1;
ret = of_platform_populate(node, NULL, NULL, dev);
if (ret) {
dev_err(&pdev->dev, "failed to create dwc3 core\n");
goto err2;
}
dwc3_omap_enable_irqs(omap);
return 0;
err2:
extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb);
extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb);
err1:
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
felipe balbi | felipe balbi | 197 | 45.29% | 7 | 33.33% |
kishon vijay abraham i | kishon vijay abraham i | 159 | 36.55% | 7 | 33.33% |
george cherian | george cherian | 43 | 9.89% | 4 | 19.05% |
chanho park | chanho park | 23 | 5.29% | 1 | 4.76% |
chanwoo choi | chanwoo choi | 12 | 2.76% | 1 | 4.76% |
ido shayevitz | ido shayevitz | 1 | 0.23% | 1 | 4.76% |
| Total | 435 | 100.00% | 21 | 100.00% |
static int dwc3_omap_remove(struct platform_device *pdev)
{
struct dwc3_omap *omap = platform_get_drvdata(pdev);
extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb);
extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb);
dwc3_omap_disable_irqs(omap);
of_platform_depopulate(omap->dev);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
felipe balbi | felipe balbi | 37 | 46.25% | 5 | 55.56% |
kishon vijay abraham i | kishon vijay abraham i | 31 | 38.75% | 3 | 33.33% |
chanwoo choi | chanwoo choi | 12 | 15.00% | 1 | 11.11% |
| Total | 80 | 100.00% | 9 | 100.00% |
static const struct of_device_id of_dwc3_match[] = {
{
.compatible = "ti,dwc3"
},
{
.compatible = "ti,am437x-dwc3"
},
{ },
};
MODULE_DEVICE_TABLE(of, of_dwc3_match);
#ifdef CONFIG_PM_SLEEP
static int dwc3_omap_suspend(struct device *dev)
{
struct dwc3_omap *omap = dev_get_drvdata(dev);
omap->utmi_otg_ctrl = dwc3_omap_read_utmi_ctrl(omap);
dwc3_omap_disable_irqs(omap);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
felipe balbi | felipe balbi | 31 | 81.58% | 1 | 33.33% |
george cherian | george cherian | 5 | 13.16% | 1 | 33.33% |
bin liu | bin liu | 2 | 5.26% | 1 | 33.33% |
| Total | 38 | 100.00% | 3 | 100.00% |
static int dwc3_omap_resume(struct device *dev)
{
struct dwc3_omap *omap = dev_get_drvdata(dev);
dwc3_omap_write_utmi_ctrl(omap, omap->utmi_otg_ctrl);
dwc3_omap_enable_irqs(omap);
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
felipe balbi | felipe balbi | 46 | 86.79% | 1 | 33.33% |
george cherian | george cherian | 5 | 9.43% | 1 | 33.33% |
bin liu | bin liu | 2 | 3.77% | 1 | 33.33% |
| Total | 53 | 100.00% | 3 | 100.00% |
static const struct dev_pm_ops dwc3_omap_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(dwc3_omap_suspend, dwc3_omap_resume)
};
#define DEV_PM_OPS (&dwc3_omap_dev_pm_ops)
#else
#define DEV_PM_OPS NULL
#endif /* CONFIG_PM_SLEEP */
static struct platform_driver dwc3_omap_driver = {
.probe = dwc3_omap_probe,
.remove = dwc3_omap_remove,
.driver = {
.name = "omap-dwc3",
.of_match_table = of_dwc3_match,
.pm = DEV_PM_OPS,
},
};
module_platform_driver(dwc3_omap_driver);
MODULE_ALIAS("platform:omap-dwc3");
MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("DesignWare USB3 OMAP Glue Layer");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
felipe balbi | felipe balbi | 797 | 35.63% | 17 | 40.48% |
george cherian | george cherian | 713 | 31.87% | 8 | 19.05% |
kishon vijay abraham i | kishon vijay abraham i | 543 | 24.27% | 9 | 21.43% |
ido shayevitz | ido shayevitz | 51 | 2.28% | 1 | 2.38% |
bin liu | bin liu | 49 | 2.19% | 1 | 2.38% |
chanwoo choi | chanwoo choi | 41 | 1.83% | 1 | 2.38% |
chanho park | chanho park | 30 | 1.34% | 1 | 2.38% |
axel lin | axel lin | 5 | 0.22% | 1 | 2.38% |
sebastian andrzej siewior | sebastian andrzej siewior | 5 | 0.22% | 1 | 2.38% |
jingoo han | jingoo han | 2 | 0.09% | 1 | 2.38% |
dan carpenter | dan carpenter | 1 | 0.04% | 1 | 2.38% |
| Total | 2237 | 100.00% | 42 | 100.00% |
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