*
* 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.
+ * 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
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
+#include <linux/extcon.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio/consumer.h>
#include <linux/of_platform.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
+#include <linux/power_supply.h>
#include <linux/regmap.h>
#include <linux/mfd/syscon.h>
+#include <linux/usb/of.h>
+#include <linux/usb/otg.h>
+#include <linux/wakelock.h>
#define BIT_WRITEABLE_SHIFT 16
-#define SCHEDULE_DELAY (60 * HZ)
+#define SCHEDULE_DELAY (60 * HZ)
+#define OTG_SCHEDULE_DELAY (2 * HZ)
struct rockchip_usb2phy;
enum rockchip_usb2phy_host_state {
PHY_STATE_HS_ONLINE = 0,
PHY_STATE_DISCONNECT = 1,
- PHY_STATE_HS_CONNECT = 2,
- PHY_STATE_FS_CONNECT = 4,
+ PHY_STATE_CONNECT = 2,
+ PHY_STATE_FS_LS_ONLINE = 4,
+};
+
+/**
+ * Different states involved in USB charger detection.
+ * USB_CHG_STATE_UNDEFINED USB charger is not connected or detection
+ * process is not yet started.
+ * USB_CHG_STATE_WAIT_FOR_DCD Waiting for Data pins contact.
+ * USB_CHG_STATE_DCD_DONE Data pin contact is detected.
+ * USB_CHG_STATE_PRIMARY_DONE Primary detection is completed (Detects
+ * between SDP and DCP/CDP).
+ * USB_CHG_STATE_SECONDARY_DONE Secondary detection is completed (Detects
+ * between DCP and CDP).
+ * USB_CHG_STATE_DETECTED USB charger type is determined.
+ */
+enum usb_chg_state {
+ USB_CHG_STATE_UNDEFINED = 0,
+ USB_CHG_STATE_WAIT_FOR_DCD,
+ USB_CHG_STATE_DCD_DONE,
+ USB_CHG_STATE_PRIMARY_DONE,
+ USB_CHG_STATE_SECONDARY_DONE,
+ USB_CHG_STATE_DETECTED,
+};
+
+static const unsigned int rockchip_usb2phy_extcon_cable[] = {
+ EXTCON_USB,
+ EXTCON_USB_HOST,
+ EXTCON_USB_VBUS_EN,
+ EXTCON_CHG_USB_SDP,
+ EXTCON_CHG_USB_CDP,
+ EXTCON_CHG_USB_DCP,
+ EXTCON_CHG_USB_SLOW,
+ EXTCON_NONE,
};
struct usb2phy_reg {
unsigned int enable;
};
+/**
+ * struct rockchip_chg_det_reg: usb charger detect registers
+ * @cp_det: charging port detected successfully.
+ * @dcp_det: dedicated charging port detected successfully.
+ * @dp_det: assert data pin connect successfully.
+ * @idm_sink_en: open dm sink curren.
+ * @idp_sink_en: open dp sink current.
+ * @idp_src_en: open dm source current.
+ * @rdm_pdwn_en: open dm pull down resistor.
+ * @vdm_src_en: open dm voltage source.
+ * @vdp_src_en: open dp voltage source.
+ * @opmode: utmi operational mode.
+ */
+struct rockchip_chg_det_reg {
+ struct usb2phy_reg cp_det;
+ struct usb2phy_reg dcp_det;
+ struct usb2phy_reg dp_det;
+ struct usb2phy_reg idm_sink_en;
+ struct usb2phy_reg idp_sink_en;
+ struct usb2phy_reg idp_src_en;
+ struct usb2phy_reg rdm_pdwn_en;
+ struct usb2phy_reg vdm_src_en;
+ struct usb2phy_reg vdp_src_en;
+ struct usb2phy_reg opmode;
+};
+
/**
* struct rockchip_usb2phy_port_cfg: usb-phy port configuration.
* @phy_sus: phy suspend register.
+ * @bvalid_det_en: vbus valid rise detection enable register.
+ * @bvalid_det_st: vbus valid rise detection status register.
+ * @bvalid_det_clr: vbus valid rise detection clear register.
* @ls_det_en: linestate detection enable register.
* @ls_det_st: linestate detection state register.
* @ls_det_clr: linestate detection clear register.
+ * @idfall_det_en: id fall detection enable register.
+ * @idfall_det_st: id fall detection state register.
+ * @idfall_det_clr: id fall detection clear register.
+ * @idrise_det_en: id rise detection enable register.
+ * @idrise_det_st: id rise detection state register.
+ * @idrise_det_clr: id rise detection clear register.
+ * @utmi_avalid: utmi vbus avalid status register.
+ * @utmi_bvalid: utmi vbus bvalid status register.
+ * @utmi_iddig: otg port id pin status register.
* @utmi_ls: utmi linestate state register.
* @utmi_hstdet: utmi host disconnect register.
*/
struct rockchip_usb2phy_port_cfg {
struct usb2phy_reg phy_sus;
+ struct usb2phy_reg bvalid_det_en;
+ struct usb2phy_reg bvalid_det_st;
+ struct usb2phy_reg bvalid_det_clr;
struct usb2phy_reg ls_det_en;
struct usb2phy_reg ls_det_st;
struct usb2phy_reg ls_det_clr;
+ struct usb2phy_reg idfall_det_en;
+ struct usb2phy_reg idfall_det_st;
+ struct usb2phy_reg idfall_det_clr;
+ struct usb2phy_reg idrise_det_en;
+ struct usb2phy_reg idrise_det_st;
+ struct usb2phy_reg idrise_det_clr;
+ struct usb2phy_reg utmi_avalid;
+ struct usb2phy_reg utmi_bvalid;
+ struct usb2phy_reg utmi_iddig;
struct usb2phy_reg utmi_ls;
struct usb2phy_reg utmi_hstdet;
};
/**
* struct rockchip_usb2phy_cfg: usb-phy configuration.
+ * @reg: the address offset of grf for usb-phy config.
* @num_ports: specify how many ports that the phy has.
* @phy_tuning: phy default parameters tunning.
* @clkout_ctl: keep on/turn off output clk of phy.
+ * @chg_det: charger detection registers.
*/
struct rockchip_usb2phy_cfg {
+ unsigned int reg;
unsigned int num_ports;
int (*phy_tuning)(struct rockchip_usb2phy *);
struct usb2phy_reg clkout_ctl;
- const struct rockchip_usb2phy_port_cfg *port_cfgs;
+ const struct rockchip_usb2phy_port_cfg port_cfgs[USB2PHY_NUM_PORTS];
+ const struct rockchip_chg_det_reg chg_det;
};
/**
* struct rockchip_usb2phy_port: usb-phy port data.
* @port_id: flag for otg port or host port.
+ * @perip_connected: flag for periphyeral connect status.
* @suspended: phy suspended flag.
+ * @utmi_avalid: utmi avalid status usage flag.
+ * true - use avalid to get vbus status
+ * flase - use bvalid to get vbus status
+ * @vbus_attached: otg device vbus status.
+ * @vbus_always_on: otg vbus is always powered on.
+ * @bvalid_irq: IRQ number assigned for vbus valid rise detection.
* @ls_irq: IRQ number assigned for linestate detection.
+ * @id_irq: IRQ number assigned for id fall or rise detection.
* @mutex: for register updating in sm_work.
- * @sm_work: OTG state machine work.
+ * @chg_work: charge detect work.
+ * @otg_sm_work: OTG state machine work.
+ * @sm_work: HOST state machine work.
* @phy_cfg: port register configuration, assigned by driver data.
+ * @event_nb: hold event notification callback.
+ * @wakelock: wake lock struct to prevent system suspend
+ * when USB is active.
+ * @state: define OTG enumeration states before device reset.
+ * @mode: the dr_mode of the controller.
*/
struct rockchip_usb2phy_port {
struct phy *phy;
unsigned int port_id;
+ bool perip_connected;
bool suspended;
+ bool utmi_avalid;
+ bool vbus_attached;
+ bool vbus_always_on;
+ int bvalid_irq;
int ls_irq;
+ int id_irq;
struct mutex mutex;
+ struct delayed_work chg_work;
+ struct delayed_work otg_sm_work;
struct delayed_work sm_work;
const struct rockchip_usb2phy_port_cfg *port_cfg;
+ struct notifier_block event_nb;
+ struct wake_lock wakelock;
+ enum usb_otg_state state;
+ enum usb_dr_mode mode;
};
/**
* struct rockchip_usb2phy: usb2.0 phy driver data.
* @grf: General Register Files regmap.
+ * @clk: clock struct of phy input clk.
* @clk480m: clock struct of phy output clk.
* @clk_hw: clock struct of phy output clk management.
- * @vbus_host_gpio: host VBUS direction output.
+ * @chg_state: states involved in USB charger detection.
+ * @chg_type: USB charger types.
+ * @dcd_retries: The retry count used to track Data contact
+ * detection process.
+ * @edev_self: represent the source of extcon.
+ * @edev: extcon device for notification registration
* @phy_cfg: phy register configuration, assigned by driver data.
* @ports: phy port instance.
*/
struct rockchip_usb2phy {
struct device *dev;
struct regmap *grf;
+ struct clk *clk;
struct clk *clk480m;
struct clk_hw clk480m_hw;
- struct gpio_desc *vbus_host_gpio;
+ enum usb_chg_state chg_state;
+ enum power_supply_type chg_type;
+ u8 dcd_retries;
+ u8 primary_retries;
+ bool edev_self;
+ struct extcon_dev *edev;
const struct rockchip_usb2phy_cfg *phy_cfg;
struct rockchip_usb2phy_port ports[USB2PHY_NUM_PORTS];
};
static inline int property_enable(struct rockchip_usb2phy *rphy,
- const struct usb2phy_reg *reg, bool en)
+ const struct usb2phy_reg *reg, bool en)
{
unsigned int val, mask, tmp;
{
struct rockchip_usb2phy *rphy =
container_of(hw, struct rockchip_usb2phy, clk480m_hw);
- int ret = 0;
+ int ret;
/* turn on 480m clk output if it is off */
if (!property_enabled(rphy, &rphy->phy_cfg->clkout_ctl)) {
return ret;
/* waitting for the clk become stable */
- mdelay(1);
+ udelay(1200);
}
- return ret;
+ return 0;
}
static void rockchip_usb2phy_clk480m_disable(struct clk_hw *hw)
{
struct rockchip_usb2phy *rphy =
container_of(hw, struct rockchip_usb2phy, clk480m_hw);
- int index;
-
- /* make sure all ports in suspended mode */
- for (index = 0; index != rphy->phy_cfg->num_ports; index++)
- if (!rphy->ports[index].suspended)
- return;
/* turn off 480m clk output */
property_enable(rphy, &rphy->phy_cfg->clkout_ctl, false);
.recalc_rate = rockchip_usb2phy_clk480m_recalc_rate,
};
-static struct clk *
+static void rockchip_usb2phy_clk480m_unregister(void *data)
+{
+ struct rockchip_usb2phy *rphy = data;
+
+ of_clk_del_provider(rphy->dev->of_node);
+ clk_unregister(rphy->clk480m);
+}
+
+static int
rockchip_usb2phy_clk480m_register(struct rockchip_usb2phy *rphy)
{
struct device_node *node = rphy->dev->of_node;
- struct clk *clk;
struct clk_init_data init;
+ const char *clk_name;
+ int ret;
+ init.flags = 0;
init.name = "clk_usbphy_480m";
init.ops = &rockchip_usb2phy_clkout_ops;
- init.flags = CLK_IS_ROOT;
- init.parent_names = NULL;
- init.num_parents = 0;
- rphy->clk480m_hw.init = &init;
/* optional override of the clockname */
of_property_read_string(node, "clock-output-names", &init.name);
+ if (rphy->clk) {
+ clk_name = __clk_get_name(rphy->clk);
+ init.parent_names = &clk_name;
+ init.num_parents = 1;
+ } else {
+ init.parent_names = NULL;
+ init.num_parents = 0;
+ }
+
+ rphy->clk480m_hw.init = &init;
+
/* register the clock */
- clk = clk_register(rphy->dev, &rphy->clk480m_hw);
- if (!IS_ERR(clk))
- of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ rphy->clk480m = clk_register(rphy->dev, &rphy->clk480m_hw);
+ if (IS_ERR(rphy->clk480m)) {
+ ret = PTR_ERR(rphy->clk480m);
+ goto err_ret;
+ }
- return clk;
+ ret = of_clk_add_provider(node, of_clk_src_simple_get, rphy->clk480m);
+ if (ret < 0)
+ goto err_clk_provider;
+
+ ret = devm_add_action(rphy->dev, rockchip_usb2phy_clk480m_unregister,
+ rphy);
+ if (ret < 0)
+ goto err_unreg_action;
+
+ return 0;
+
+err_unreg_action:
+ of_clk_del_provider(node);
+err_clk_provider:
+ clk_unregister(rphy->clk480m);
+err_ret:
+ return ret;
+}
+
+static int rockchip_usb2phy_extcon_register(struct rockchip_usb2phy *rphy)
+{
+ int ret;
+ struct device_node *node = rphy->dev->of_node;
+ struct extcon_dev *edev;
+
+ if (of_property_read_bool(node, "extcon")) {
+ edev = extcon_get_edev_by_phandle(rphy->dev, 0);
+ if (IS_ERR(edev)) {
+ if (PTR_ERR(edev) != -EPROBE_DEFER)
+ dev_err(rphy->dev, "Invalid or missing extcon\n");
+ return PTR_ERR(edev);
+ }
+ } else {
+ /* Initialize extcon device */
+ edev = devm_extcon_dev_allocate(rphy->dev,
+ rockchip_usb2phy_extcon_cable);
+
+ if (IS_ERR(edev))
+ return -ENOMEM;
+
+ ret = devm_extcon_dev_register(rphy->dev, edev);
+ if (ret) {
+ dev_err(rphy->dev, "failed to register extcon device\n");
+ return ret;
+ }
+
+ rphy->edev_self = true;
+ }
+
+ rphy->edev = edev;
+
+ return 0;
}
static int rockchip_usb2phy_init(struct phy *phy)
struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
int ret = 0;
- if (rport->port_id == USB2PHY_PORT_HOST) {
- /* clear linestate and enable linestate detect irq */
- mutex_lock(&rport->mutex);
+ mutex_lock(&rport->mutex);
- ret = property_enable(rphy, &rport->port_cfg->ls_det_clr, true);
- if (ret) {
- mutex_unlock(&rport->mutex);
- return ret;
+ if (rport->port_id == USB2PHY_PORT_OTG) {
+ if (rport->mode != USB_DR_MODE_HOST &&
+ !rport->vbus_always_on) {
+ /* clear bvalid status and enable bvalid detect irq */
+ ret = property_enable(rphy,
+ &rport->port_cfg->
+ bvalid_det_clr,
+ true);
+ if (ret)
+ goto out;
+
+ ret = property_enable(rphy,
+ &rport->port_cfg->
+ bvalid_det_en,
+ true);
+ if (ret)
+ goto out;
+
+ if (rphy->edev_self) {
+ ret = property_enable(rphy,
+ &rport->port_cfg->
+ idfall_det_clr,
+ true);
+ if (ret)
+ goto out;
+
+ ret = property_enable(rphy,
+ &rport->port_cfg->
+ idfall_det_en,
+ true);
+ if (ret)
+ goto out;
+
+ ret = property_enable(rphy,
+ &rport->port_cfg->
+ idrise_det_clr,
+ true);
+ if (ret)
+ goto out;
+
+ ret = property_enable(rphy,
+ &rport->port_cfg->
+ idrise_det_en,
+ true);
+ if (ret)
+ goto out;
+ }
+
+ schedule_delayed_work(&rport->otg_sm_work,
+ OTG_SCHEDULE_DELAY);
+ } else {
+ /* If OTG works in host only mode, do nothing. */
+ dev_dbg(&rport->phy->dev, "mode %d\n", rport->mode);
}
+ } else if (rport->port_id == USB2PHY_PORT_HOST) {
+ /* clear linestate and enable linestate detect irq */
+ ret = property_enable(rphy, &rport->port_cfg->ls_det_clr, true);
+ if (ret)
+ goto out;
ret = property_enable(rphy, &rport->port_cfg->ls_det_en, true);
- if (ret) {
- mutex_unlock(&rport->mutex);
- return ret;
- }
+ if (ret)
+ goto out;
- mutex_unlock(&rport->mutex);
schedule_delayed_work(&rport->sm_work, SCHEDULE_DELAY);
}
+out:
+ mutex_unlock(&rport->mutex);
return ret;
}
-static int rockchip_usb2phy_resume(struct phy *phy)
+static int rockchip_usb2phy_power_on(struct phy *phy)
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
int ret;
- dev_dbg(&rport->phy->dev, "port resume\n");
+ dev_dbg(&rport->phy->dev, "port power on\n");
+
+ if (!rport->suspended)
+ return 0;
ret = clk_prepare_enable(rphy->clk480m);
if (ret)
return 0;
}
-static int rockchip_usb2phy_suspend(struct phy *phy)
+static int rockchip_usb2phy_power_off(struct phy *phy)
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
int ret;
- dev_dbg(&rport->phy->dev, "port suspend\n");
+ dev_dbg(&rport->phy->dev, "port power off\n");
+
+ if (rport->suspended)
+ return 0;
ret = property_enable(rphy, &rport->port_cfg->phy_sus, true);
if (ret)
rport->suspended = true;
clk_disable_unprepare(rphy->clk480m);
+
return 0;
}
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
- if (rport->port_id == USB2PHY_PORT_HOST)
+ if (rport->port_id == USB2PHY_PORT_OTG &&
+ rport->mode != USB_DR_MODE_HOST &&
+ !rport->vbus_always_on)
+ cancel_delayed_work_sync(&rport->chg_work);
+ else if (rport->port_id == USB2PHY_PORT_HOST)
cancel_delayed_work_sync(&rport->sm_work);
return 0;
static const struct phy_ops rockchip_usb2phy_ops = {
.init = rockchip_usb2phy_init,
.exit = rockchip_usb2phy_exit,
- .power_on = rockchip_usb2phy_resume,
- .power_off = rockchip_usb2phy_suspend,
+ .power_on = rockchip_usb2phy_power_on,
+ .power_off = rockchip_usb2phy_power_off,
.owner = THIS_MODULE,
};
+static void rockchip_usb2phy_otg_sm_work(struct work_struct *work)
+{
+ struct rockchip_usb2phy_port *rport =
+ container_of(work, struct rockchip_usb2phy_port,
+ otg_sm_work.work);
+ struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
+ static unsigned int cable;
+ unsigned long delay;
+ bool sch_work;
+
+ if (rport->utmi_avalid)
+ rport->vbus_attached =
+ property_enabled(rphy, &rport->port_cfg->utmi_avalid);
+ else
+ rport->vbus_attached =
+ property_enabled(rphy, &rport->port_cfg->utmi_bvalid);
+
+ sch_work = false;
+ delay = OTG_SCHEDULE_DELAY;
+
+ dev_dbg(&rport->phy->dev, "%s otg sm work\n",
+ usb_otg_state_string(rport->state));
+
+ switch (rport->state) {
+ case OTG_STATE_UNDEFINED:
+ rport->state = OTG_STATE_B_IDLE;
+ if (!rport->vbus_attached)
+ rockchip_usb2phy_power_off(rport->phy);
+ /* fall through */
+ case OTG_STATE_B_IDLE:
+ if (extcon_get_cable_state_(rphy->edev, EXTCON_USB_HOST) > 0 ||
+ extcon_get_cable_state_(rphy->edev,
+ EXTCON_USB_VBUS_EN) > 0) {
+ dev_dbg(&rport->phy->dev, "usb otg host connect\n");
+ rport->state = OTG_STATE_A_HOST;
+ rockchip_usb2phy_power_on(rport->phy);
+ return;
+ } else if (rport->vbus_attached) {
+ dev_dbg(&rport->phy->dev, "vbus_attach\n");
+ switch (rphy->chg_state) {
+ case USB_CHG_STATE_UNDEFINED:
+ schedule_delayed_work(&rport->chg_work, 0);
+ return;
+ case USB_CHG_STATE_DETECTED:
+ switch (rphy->chg_type) {
+ case POWER_SUPPLY_TYPE_USB:
+ dev_dbg(&rport->phy->dev,
+ "sdp cable is connecetd\n");
+ wake_lock(&rport->wakelock);
+ cable = EXTCON_CHG_USB_SDP;
+ rockchip_usb2phy_power_on(rport->phy);
+ rport->state = OTG_STATE_B_PERIPHERAL;
+ rport->perip_connected = true;
+ sch_work = true;
+ break;
+ case POWER_SUPPLY_TYPE_USB_DCP:
+ dev_dbg(&rport->phy->dev,
+ "dcp cable is connecetd\n");
+ cable = EXTCON_CHG_USB_DCP;
+ rockchip_usb2phy_power_off(rport->phy);
+ sch_work = true;
+ break;
+ case POWER_SUPPLY_TYPE_USB_CDP:
+ dev_dbg(&rport->phy->dev,
+ "cdp cable is connecetd\n");
+ wake_lock(&rport->wakelock);
+ cable = EXTCON_CHG_USB_CDP;
+ rockchip_usb2phy_power_on(rport->phy);
+ rport->state = OTG_STATE_B_PERIPHERAL;
+ rport->perip_connected = true;
+ sch_work = true;
+ break;
+ case POWER_SUPPLY_TYPE_USB_FLOATING:
+ dev_dbg(&rport->phy->dev,
+ "floating cable is connecetd\n");
+ cable = EXTCON_CHG_USB_DCP;
+ rockchip_usb2phy_power_off(rport->phy);
+ sch_work = true;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ } else {
+ rphy->chg_state = USB_CHG_STATE_UNDEFINED;
+ rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
+ }
+ break;
+ case OTG_STATE_B_PERIPHERAL:
+ if (!rport->vbus_attached) {
+ dev_dbg(&rport->phy->dev, "usb disconnect\n");
+ rphy->chg_state = USB_CHG_STATE_UNDEFINED;
+ rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
+ rport->state = OTG_STATE_B_IDLE;
+ rport->perip_connected = false;
+ delay = 0;
+ rockchip_usb2phy_power_off(rport->phy);
+ wake_unlock(&rport->wakelock);
+ } else {
+ sch_work = true;
+ }
+ break;
+ case OTG_STATE_A_HOST:
+ if (extcon_get_cable_state_(rphy->edev, EXTCON_USB_HOST) == 0) {
+ dev_dbg(&rport->phy->dev, "usb otg host disconnect\n");
+ rport->state = OTG_STATE_B_IDLE;
+ rockchip_usb2phy_power_off(rport->phy);
+ }
+ return;
+ default:
+ return;
+ }
+
+ if (extcon_get_state(rphy->edev, cable) != rport->vbus_attached)
+ extcon_set_cable_state_(rphy->edev,
+ cable, rport->vbus_attached);
+
+ if (rphy->edev_self &&
+ (extcon_get_state(rphy->edev, EXTCON_USB) !=
+ rport->perip_connected))
+ extcon_set_cable_state_(rphy->edev,
+ EXTCON_USB,
+ rport->perip_connected);
+
+ if (sch_work)
+ schedule_delayed_work(&rport->otg_sm_work, delay);
+}
+
+static const char *chg_to_string(enum power_supply_type chg_type)
+{
+ switch (chg_type) {
+ case POWER_SUPPLY_TYPE_USB:
+ return "USB_SDP_CHARGER";
+ case POWER_SUPPLY_TYPE_USB_DCP:
+ return "USB_DCP_CHARGER";
+ case POWER_SUPPLY_TYPE_USB_CDP:
+ return "USB_CDP_CHARGER";
+ case POWER_SUPPLY_TYPE_USB_FLOATING:
+ return "USB_FLOATING_CHARGER";
+ default:
+ return "INVALID_CHARGER";
+ }
+}
+
+static void rockchip_chg_enable_dcd(struct rockchip_usb2phy *rphy,
+ bool en)
+{
+ property_enable(rphy, &rphy->phy_cfg->chg_det.rdm_pdwn_en, en);
+ property_enable(rphy, &rphy->phy_cfg->chg_det.idp_src_en, en);
+}
+
+static void rockchip_chg_enable_primary_det(struct rockchip_usb2phy *rphy,
+ bool en)
+{
+ property_enable(rphy, &rphy->phy_cfg->chg_det.vdp_src_en, en);
+ property_enable(rphy, &rphy->phy_cfg->chg_det.idm_sink_en, en);
+}
+
+static void rockchip_chg_enable_secondary_det(struct rockchip_usb2phy *rphy,
+ bool en)
+{
+ property_enable(rphy, &rphy->phy_cfg->chg_det.vdm_src_en, en);
+ property_enable(rphy, &rphy->phy_cfg->chg_det.idp_sink_en, en);
+}
+
+#define CHG_DCD_POLL_TIME (100 * HZ / 1000)
+#define CHG_DCD_MAX_RETRIES 6
+#define CHG_PRIMARY_DET_TIME (40 * HZ / 1000)
+#define CHG_SECONDARY_DET_TIME (40 * HZ / 1000)
+static void rockchip_chg_detect_work(struct work_struct *work)
+{
+ struct rockchip_usb2phy_port *rport =
+ container_of(work, struct rockchip_usb2phy_port, chg_work.work);
+ struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
+ bool is_dcd, tmout, vout;
+ unsigned long delay;
+
+ dev_dbg(&rport->phy->dev, "chg detection work state = %d\n",
+ rphy->chg_state);
+ switch (rphy->chg_state) {
+ case USB_CHG_STATE_UNDEFINED:
+ if (!rport->suspended)
+ rockchip_usb2phy_power_off(rport->phy);
+ /* put the controller in non-driving mode */
+ property_enable(rphy, &rphy->phy_cfg->chg_det.opmode, false);
+ /* Start DCD processing stage 1 */
+ rockchip_chg_enable_dcd(rphy, true);
+ rphy->chg_state = USB_CHG_STATE_WAIT_FOR_DCD;
+ rphy->dcd_retries = 0;
+ rphy->primary_retries = 0;
+ delay = CHG_DCD_POLL_TIME;
+ break;
+ case USB_CHG_STATE_WAIT_FOR_DCD:
+ /* get data contact detection status */
+ is_dcd = property_enabled(rphy, &rphy->phy_cfg->chg_det.dp_det);
+ tmout = ++rphy->dcd_retries == CHG_DCD_MAX_RETRIES;
+ /* stage 2 */
+ if (is_dcd || tmout) {
+ /* stage 4 */
+ /* Turn off DCD circuitry */
+ rockchip_chg_enable_dcd(rphy, false);
+ /* Voltage Source on DP, Probe on DM */
+ rockchip_chg_enable_primary_det(rphy, true);
+ delay = CHG_PRIMARY_DET_TIME;
+ rphy->chg_state = USB_CHG_STATE_DCD_DONE;
+ } else {
+ /* stage 3 */
+ delay = CHG_DCD_POLL_TIME;
+ }
+ break;
+ case USB_CHG_STATE_DCD_DONE:
+ vout = property_enabled(rphy, &rphy->phy_cfg->chg_det.cp_det);
+ rockchip_chg_enable_primary_det(rphy, false);
+ if (vout) {
+ /* Voltage Source on DM, Probe on DP */
+ rockchip_chg_enable_secondary_det(rphy, true);
+ delay = CHG_SECONDARY_DET_TIME;
+ rphy->chg_state = USB_CHG_STATE_PRIMARY_DONE;
+ } else {
+ if (rphy->dcd_retries == CHG_DCD_MAX_RETRIES) {
+ /* floating charger found */
+ rphy->chg_type = POWER_SUPPLY_TYPE_USB_FLOATING;
+ rphy->chg_state = USB_CHG_STATE_DETECTED;
+ delay = 0;
+ } else {
+ if (rphy->primary_retries < 2) {
+ /* Turn off DCD circuitry */
+ rockchip_chg_enable_dcd(rphy, false);
+ /* Voltage Source on DP, Probe on DM */
+ rockchip_chg_enable_primary_det(rphy,
+ true);
+ delay = CHG_PRIMARY_DET_TIME;
+ rphy->chg_state =
+ USB_CHG_STATE_DCD_DONE;
+ rphy->primary_retries++;
+ /* break USB_CHG_STATE_DCD_DONE */
+ break;
+ }
+ rphy->chg_type = POWER_SUPPLY_TYPE_USB;
+ rphy->chg_state = USB_CHG_STATE_DETECTED;
+ delay = 0;
+ }
+ }
+ break;
+ case USB_CHG_STATE_PRIMARY_DONE:
+ vout = property_enabled(rphy, &rphy->phy_cfg->chg_det.dcp_det);
+ /* Turn off voltage source */
+ rockchip_chg_enable_secondary_det(rphy, false);
+ if (vout)
+ rphy->chg_type = POWER_SUPPLY_TYPE_USB_DCP;
+ else
+ rphy->chg_type = POWER_SUPPLY_TYPE_USB_CDP;
+ /* fall through */
+ case USB_CHG_STATE_SECONDARY_DONE:
+ rphy->chg_state = USB_CHG_STATE_DETECTED;
+ delay = 0;
+ /* fall through */
+ case USB_CHG_STATE_DETECTED:
+ /* put the controller in normal mode */
+ property_enable(rphy, &rphy->phy_cfg->chg_det.opmode, true);
+ rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);
+ dev_info(&rport->phy->dev, "charger = %s\n",
+ chg_to_string(rphy->chg_type));
+ return;
+ default:
+ return;
+ }
+
+ schedule_delayed_work(&rport->chg_work, delay);
+}
+
/*
* The function manage host-phy port state and suspend/resume phy port
* to save power.
*
* we rely on utmi_linestate and utmi_hostdisconnect to identify whether
- * FS/HS is disconnect or not. Besides, we do not need care it is FS
+ * devices is disconnect or not. Besides, we do not need care it is FS/LS
* disconnected or HS disconnected, actually, we just only need get the
* device is disconnected at last through rearm the delayed work,
* to suspend the phy port in _PHY_STATE_DISCONNECT_ case.
*
- * NOTE: It will invoke some clk related APIs, so do not invoke it from
- * interrupt context.
+ * NOTE: It may invoke *phy_powr_off or *phy_power_on which will invoke
+ * some clk related APIs, so do not invoke it from interrupt context directly.
*/
static void rockchip_usb2phy_sm_work(struct work_struct *work)
{
case PHY_STATE_HS_ONLINE:
dev_dbg(&rport->phy->dev, "HS online\n");
break;
- case PHY_STATE_FS_CONNECT:
+ case PHY_STATE_FS_LS_ONLINE:
/*
- * For FS device, the online state share with connect state
+ * For FS/LS device, the online state share with connect state
* from utmi_ls and utmi_hstdet register, so we distinguish
* them via suspended flag.
+ *
+ * Plus, there are two cases, one is D- Line pull-up, and D+
+ * line pull-down, the state is 4; another is D+ line pull-up,
+ * and D- line pull-down, the state is 2.
*/
if (!rport->suspended) {
- dev_dbg(&rport->phy->dev, "FS online\n");
+ /* D- line pull-up, D+ line pull-down */
+ dev_dbg(&rport->phy->dev, "FS/LS online\n");
break;
}
/* fall through */
- case PHY_STATE_HS_CONNECT:
+ case PHY_STATE_CONNECT:
if (rport->suspended) {
- dev_dbg(&rport->phy->dev, "HS/FS connected\n");
- rockchip_usb2phy_resume(rport->phy);
+ dev_dbg(&rport->phy->dev, "Connected\n");
+ rockchip_usb2phy_power_on(rport->phy);
rport->suspended = false;
+ } else {
+ /* D+ line pull-up, D- line pull-down */
+ dev_dbg(&rport->phy->dev, "FS/LS online\n");
}
break;
case PHY_STATE_DISCONNECT:
if (!rport->suspended) {
- dev_dbg(&rport->phy->dev, "HS/FS disconnected\n");
- rockchip_usb2phy_suspend(rport->phy);
+ dev_dbg(&rport->phy->dev, "Disconnected\n");
+ rockchip_usb2phy_power_off(rport->phy);
rport->suspended = true;
}
return IRQ_HANDLED;
}
+static irqreturn_t rockchip_usb2phy_bvalid_irq(int irq, void *data)
+{
+ struct rockchip_usb2phy_port *rport = data;
+ struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
+
+ if (!property_enabled(rphy, &rport->port_cfg->bvalid_det_st))
+ return IRQ_NONE;
+
+ mutex_lock(&rport->mutex);
+
+ /* clear bvalid detect irq pending status */
+ property_enable(rphy, &rport->port_cfg->bvalid_det_clr, true);
+
+ mutex_unlock(&rport->mutex);
+
+ rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rockchip_usb2phy_id_irq(int irq, void *data)
+{
+ struct rockchip_usb2phy_port *rport = data;
+ struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
+
+ if (!property_enabled(rphy, &rport->port_cfg->idfall_det_st) &&
+ !property_enabled(rphy, &rport->port_cfg->idrise_det_st))
+ return IRQ_NONE;
+
+ mutex_lock(&rport->mutex);
+
+ /* clear id fall or rise detect irq pending status */
+ if (property_enabled(rphy, &rport->port_cfg->idfall_det_st)) {
+ property_enable(rphy, &rport->port_cfg->idfall_det_clr,
+ true);
+ extcon_set_state(rphy->edev, EXTCON_USB_HOST, true);
+ extcon_set_state(rphy->edev, EXTCON_USB_VBUS_EN, true);
+ } else if (property_enabled(rphy, &rport->port_cfg->idrise_det_st)) {
+ property_enable(rphy, &rport->port_cfg->idrise_det_clr,
+ true);
+ extcon_set_state(rphy->edev, EXTCON_USB_HOST, false);
+ extcon_set_state(rphy->edev, EXTCON_USB_VBUS_EN, false);
+ }
+
+ extcon_sync(rphy->edev, EXTCON_USB_HOST);
+ extcon_sync(rphy->edev, EXTCON_USB_VBUS_EN);
+
+ mutex_unlock(&rport->mutex);
+
+ return IRQ_HANDLED;
+}
+
static int rockchip_usb2phy_host_port_init(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
struct device_node *child_np)
{
- int ret = 0;
+ int ret;
rport->port_id = USB2PHY_PORT_HOST;
+ rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_HOST];
+ rport->suspended = true;
+
mutex_init(&rport->mutex);
INIT_DELAYED_WORK(&rport->sm_work, rockchip_usb2phy_sm_work);
IRQF_ONESHOT,
"rockchip_usb2phy", rport);
if (ret) {
- dev_err(rphy->dev, "failed to request irq handle\n");
+ dev_err(rphy->dev, "failed to request linestate irq handle\n");
return ret;
}
- return ret;
+ return 0;
+}
+
+static int rockchip_otg_event(struct notifier_block *nb,
+ unsigned long event, void *ptr)
+{
+ struct rockchip_usb2phy_port *rport =
+ container_of(nb, struct rockchip_usb2phy_port, event_nb);
+
+ schedule_delayed_work(&rport->otg_sm_work, OTG_SCHEDULE_DELAY);
+
+ return NOTIFY_DONE;
+}
+
+static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
+ struct rockchip_usb2phy_port *rport,
+ struct device_node *child_np)
+{
+ int ret;
+ int iddig;
+
+ rport->port_id = USB2PHY_PORT_OTG;
+ rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
+ rport->state = OTG_STATE_UNDEFINED;
+
+ /*
+ * set suspended flag to true, but actually don't
+ * put phy in suspend mode, it aims to enable usb
+ * phy and clock in power_on() called by usb controller
+ * driver during probe.
+ */
+ rport->suspended = true;
+ rport->vbus_attached = false;
+ rport->perip_connected = false;
+
+ mutex_init(&rport->mutex);
+
+ rport->vbus_always_on =
+ of_property_read_bool(child_np, "rockchip,vbus-always-on");
+
+ rport->mode = of_usb_get_dr_mode_by_phy(child_np, -1);
+ if (rport->mode == USB_DR_MODE_HOST || rport->vbus_always_on)
+ return 0;
+
+ wake_lock_init(&rport->wakelock, WAKE_LOCK_SUSPEND, "rockchip_otg");
+ INIT_DELAYED_WORK(&rport->chg_work, rockchip_chg_detect_work);
+ INIT_DELAYED_WORK(&rport->otg_sm_work, rockchip_usb2phy_otg_sm_work);
+
+ rport->utmi_avalid =
+ of_property_read_bool(child_np, "rockchip,utmi-avalid");
+
+ rport->bvalid_irq = of_irq_get_byname(child_np, "otg-bvalid");
+ if (rport->bvalid_irq < 0) {
+ dev_err(rphy->dev, "no vbus valid irq provided\n");
+ return rport->bvalid_irq;
+ }
+
+ ret = devm_request_threaded_irq(rphy->dev, rport->bvalid_irq, NULL,
+ rockchip_usb2phy_bvalid_irq,
+ IRQF_ONESHOT,
+ "rockchip_usb2phy_bvalid", rport);
+ if (ret) {
+ dev_err(rphy->dev, "failed to request otg-bvalid irq handle\n");
+ return ret;
+ }
+
+ if (rphy->edev_self) {
+ rport->id_irq = of_irq_get_byname(child_np, "otg-id");
+ if (rport->id_irq < 0) {
+ dev_err(rphy->dev, "no otg id irq provided\n");
+ return rport->id_irq;
+ }
+
+ ret = devm_request_threaded_irq(rphy->dev, rport->id_irq, NULL,
+ rockchip_usb2phy_id_irq,
+ IRQF_ONESHOT,
+ "rockchip_usb2phy_id", rport);
+ if (ret) {
+ dev_err(rphy->dev, "failed to request otg-id irq handle\n");
+ return ret;
+ }
+
+ iddig = property_enabled(rphy, &rport->port_cfg->utmi_iddig);
+ if (!iddig) {
+ extcon_set_state(rphy->edev, EXTCON_USB, false);
+ extcon_set_state(rphy->edev, EXTCON_USB_HOST, true);
+ extcon_set_state(rphy->edev, EXTCON_USB_VBUS_EN, true);
+ } else {
+ extcon_set_state(rphy->edev, EXTCON_USB_HOST, false);
+ extcon_set_state(rphy->edev, EXTCON_USB_VBUS_EN, false);
+ }
+ }
+
+ if (!IS_ERR(rphy->edev)) {
+ rport->event_nb.notifier_call = rockchip_otg_event;
+
+ ret = extcon_register_notifier(rphy->edev, EXTCON_USB_HOST,
+ &rport->event_nb);
+ if (ret < 0) {
+ dev_err(rphy->dev, "register USB HOST notifier failed\n");
+ return ret;
+ }
+ }
+
+ return 0;
}
static int rockchip_usb2phy_probe(struct platform_device *pdev)
struct device_node *child_np;
struct phy_provider *provider;
struct rockchip_usb2phy *rphy;
+ const struct rockchip_usb2phy_cfg *phy_cfgs;
const struct of_device_id *match;
+ unsigned int reg;
int index, ret;
rphy = devm_kzalloc(dev, sizeof(*rphy), GFP_KERNEL);
}
if (!dev->parent || !dev->parent->of_node)
- return -ENOMEM;
+ return -EINVAL;
rphy->grf = syscon_node_to_regmap(dev->parent->of_node);
if (IS_ERR(rphy->grf))
return PTR_ERR(rphy->grf);
+ if (of_property_read_u32(np, "reg", ®)) {
+ dev_err(dev, "the reg property is not assigned in %s node\n",
+ np->name);
+ return -EINVAL;
+ }
+
rphy->dev = dev;
- rphy->phy_cfg = match->data;
+ phy_cfgs = match->data;
+ rphy->chg_state = USB_CHG_STATE_UNDEFINED;
+ rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
+ rphy->edev_self = false;
platform_set_drvdata(pdev, rphy);
- rphy->clk480m = rockchip_usb2phy_clk480m_register(rphy);
- if (IS_ERR(rphy->clk480m))
- return PTR_ERR(rphy->clk480m);
+ ret = rockchip_usb2phy_extcon_register(rphy);
+ if (ret)
+ return ret;
+
+ /* find out a proper config which can be matched with dt. */
+ index = 0;
+ while (phy_cfgs[index].reg) {
+ if (phy_cfgs[index].reg == reg) {
+ rphy->phy_cfg = &phy_cfgs[index];
+ break;
+ }
+
+ ++index;
+ }
+
+ if (!rphy->phy_cfg) {
+ dev_err(dev, "no phy-config can be matched with %s node\n",
+ np->name);
+ return -EINVAL;
+ }
+
+ rphy->clk = of_clk_get_by_name(np, "phyclk");
+ if (!IS_ERR(rphy->clk)) {
+ clk_prepare_enable(rphy->clk);
+ } else {
+ dev_info(&pdev->dev, "no phyclk specified\n");
+ rphy->clk = NULL;
+ }
+
+ ret = rockchip_usb2phy_clk480m_register(rphy);
+ if (ret) {
+ dev_err(dev, "failed to register 480m output clock\n");
+ goto disable_clks;
+ }
if (rphy->phy_cfg->phy_tuning) {
ret = rphy->phy_cfg->phy_tuning(rphy);
if (ret)
- return ret;
+ goto disable_clks;
}
- rphy->vbus_host_gpio =
- devm_gpiod_get_optional(dev, "vbus_host", GPIOD_OUT_HIGH);
- if (!rphy->vbus_host_gpio)
- dev_info(dev, "host_vbus is not assigned!\n");
- else if (IS_ERR(rphy->vbus_host_gpio))
- return PTR_ERR(rphy->vbus_host_gpio);
-
index = 0;
- for_each_child_of_node(np, child_np) {
+ for_each_available_child_of_node(np, child_np) {
struct rockchip_usb2phy_port *rport = &rphy->ports[index];
struct phy *phy;
+ /* This driver aims to support both otg-port and host-port */
+ if (of_node_cmp(child_np->name, "host-port") &&
+ of_node_cmp(child_np->name, "otg-port"))
+ goto next_child;
+
phy = devm_phy_create(dev, child_np, &rockchip_usb2phy_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create phy\n");
}
rport->phy = phy;
- rport->port_cfg = &rphy->phy_cfg->port_cfgs[index];
+ phy_set_drvdata(rport->phy, rport);
/* initialize otg/host port separately */
if (!of_node_cmp(child_np->name, "host-port")) {
child_np);
if (ret)
goto put_child;
+ } else {
+ ret = rockchip_usb2phy_otg_port_init(rphy, rport,
+ child_np);
+ if (ret)
+ goto put_child;
}
- phy_set_drvdata(rport->phy, rport);
- index++;
+next_child:
+ /* to prevent out of boundary */
+ if (++index >= rphy->phy_cfg->num_ports)
+ break;
}
provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
put_child:
of_node_put(child_np);
- of_clk_del_provider(np);
- clk_unregister(rphy->clk480m);
+disable_clks:
+ if (rphy->clk) {
+ clk_disable_unprepare(rphy->clk);
+ clk_put(rphy->clk);
+ }
return ret;
}
return ret;
}
-static const struct rockchip_usb2phy_cfg rk3366_phy_cfgs = {
- .num_ports = 1,
- .phy_tuning = rk3366_usb2phy_tuning,
- .clkout_ctl = { 0x0724, 15, 15, 1, 0 },
- .port_cfgs = (struct rockchip_usb2phy_port_cfg[]) {
- {
- .phy_sus = { 0x0728, 15, 0, 0, 0x1d1 },
- .ls_det_en = { 0x0680, 4, 4, 0, 1 },
- .ls_det_st = { 0x0690, 4, 4, 0, 1 },
- .ls_det_clr = { 0x06a0, 4, 4, 0, 1 },
- .utmi_ls = { 0x049c, 14, 13, 0, 1 },
- .utmi_hstdet = { 0x049c, 12, 12, 0, 1 }
+static const struct rockchip_usb2phy_cfg rk3366_phy_cfgs[] = {
+ {
+ .reg = 0x700,
+ .num_ports = 2,
+ .phy_tuning = rk3366_usb2phy_tuning,
+ .clkout_ctl = { 0x0724, 15, 15, 1, 0 },
+ .port_cfgs = {
+ [USB2PHY_PORT_HOST] = {
+ .phy_sus = { 0x0728, 15, 0, 0, 0x1d1 },
+ .ls_det_en = { 0x0680, 4, 4, 0, 1 },
+ .ls_det_st = { 0x0690, 4, 4, 0, 1 },
+ .ls_det_clr = { 0x06a0, 4, 4, 0, 1 },
+ .utmi_ls = { 0x049c, 14, 13, 0, 1 },
+ .utmi_hstdet = { 0x049c, 12, 12, 0, 1 }
+ }
+ },
+ },
+ { /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rk3399_phy_cfgs[] = {
+ {
+ .reg = 0xe450,
+ .num_ports = 2,
+ .clkout_ctl = { 0xe450, 4, 4, 1, 0 },
+ .port_cfgs = {
+ [USB2PHY_PORT_OTG] = {
+ .phy_sus = { 0xe454, 15, 0, 0x1452, 0x15d1 },
+ .bvalid_det_en = { 0xe3c0, 3, 3, 0, 1 },
+ .bvalid_det_st = { 0xe3e0, 3, 3, 0, 1 },
+ .bvalid_det_clr = { 0xe3d0, 3, 3, 0, 1 },
+ .idfall_det_en = { 0xe3c0, 5, 5, 0, 1 },
+ .idfall_det_st = { 0xe3e0, 5, 5, 0, 1 },
+ .idfall_det_clr = { 0xe3d0, 5, 5, 0, 1 },
+ .idrise_det_en = { 0xe3c0, 4, 4, 0, 1 },
+ .idrise_det_st = { 0xe3e0, 4, 4, 0, 1 },
+ .idrise_det_clr = { 0xe3d0, 4, 4, 0, 1 },
+ .utmi_avalid = { 0xe2ac, 7, 7, 0, 1 },
+ .utmi_bvalid = { 0xe2ac, 12, 12, 0, 1 },
+ .utmi_iddig = { 0xe2ac, 8, 8, 0, 1 },
+ },
+ [USB2PHY_PORT_HOST] = {
+ .phy_sus = { 0xe458, 1, 0, 0x2, 0x1 },
+ .ls_det_en = { 0xe3c0, 6, 6, 0, 1 },
+ .ls_det_st = { 0xe3e0, 6, 6, 0, 1 },
+ .ls_det_clr = { 0xe3d0, 6, 6, 0, 1 },
+ .utmi_ls = { 0xe2ac, 22, 21, 0, 1 },
+ .utmi_hstdet = { 0xe2ac, 23, 23, 0, 1 }
+ }
+ },
+ .chg_det = {
+ .opmode = { 0xe454, 3, 0, 5, 1 },
+ .cp_det = { 0xe2ac, 2, 2, 0, 1 },
+ .dcp_det = { 0xe2ac, 1, 1, 0, 1 },
+ .dp_det = { 0xe2ac, 0, 0, 0, 1 },
+ .idm_sink_en = { 0xe450, 8, 8, 0, 1 },
+ .idp_sink_en = { 0xe450, 7, 7, 0, 1 },
+ .idp_src_en = { 0xe450, 9, 9, 0, 1 },
+ .rdm_pdwn_en = { 0xe450, 10, 10, 0, 1 },
+ .vdm_src_en = { 0xe450, 12, 12, 0, 1 },
+ .vdp_src_en = { 0xe450, 11, 11, 0, 1 },
+ },
+ },
+ {
+ .reg = 0xe460,
+ .num_ports = 2,
+ .clkout_ctl = { 0xe460, 4, 4, 1, 0 },
+ .port_cfgs = {
+ [USB2PHY_PORT_OTG] = {
+ .phy_sus = { 0xe464, 15, 0, 0x1452, 0x15d1 },
+ .bvalid_det_en = { 0xe3c0, 8, 8, 0, 1 },
+ .bvalid_det_st = { 0xe3e0, 8, 8, 0, 1 },
+ .bvalid_det_clr = { 0xe3d0, 8, 8, 0, 1 },
+ .idfall_det_en = { 0xe3c0, 10, 10, 0, 1 },
+ .idfall_det_st = { 0xe3e0, 10, 10, 0, 1 },
+ .idfall_det_clr = { 0xe3d0, 10, 10, 0, 1 },
+ .idrise_det_en = { 0xe3c0, 9, 9, 0, 1 },
+ .idrise_det_st = { 0xe3e0, 9, 9, 0, 1 },
+ .idrise_det_clr = { 0xe3d0, 9, 9, 0, 1 },
+ .utmi_avalid = { 0xe2ac, 10, 10, 0, 1 },
+ .utmi_bvalid = { 0xe2ac, 16, 16, 0, 1 },
+ .utmi_iddig = { 0xe2ac, 11, 11, 0, 1 },
+ },
+ [USB2PHY_PORT_HOST] = {
+ .phy_sus = { 0xe468, 1, 0, 0x2, 0x1 },
+ .ls_det_en = { 0xe3c0, 11, 11, 0, 1 },
+ .ls_det_st = { 0xe3e0, 11, 11, 0, 1 },
+ .ls_det_clr = { 0xe3d0, 11, 11, 0, 1 },
+ .utmi_ls = { 0xe2ac, 26, 25, 0, 1 },
+ .utmi_hstdet = { 0xe2ac, 27, 27, 0, 1 }
+ }
},
- { /* sentinel */ }
},
+ { /* sentinel */ }
};
static const struct of_device_id rockchip_usb2phy_dt_match[] = {
{ .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs },
+ { .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs },
{}
};
MODULE_DEVICE_TABLE(of, rockchip_usb2phy_dt_match);
projects / firefly-linux-kernel-4.4.55.git / blobdiff