Merge tag 'usb-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the "big" set of USB and Thunderbolt driver updates for
  7.0-rc1. Overall more lines were removed than added, thanks to
  dropping the obsolete isp1362 USB host controller driver, always a
  nice change.

  Other than that, nothing major happening here, highlights are:

   - lots of dwc3 driver updates and new hardware support added

   - usb gadget function driver updates

   - usb phy driver updates

   - typec driver updates and additions

   - USB rust binding updates for syntax and formatting changes

   - more usb serial device ids added

   - other smaller USB core and driver updates and additions

  All of these have been in linux-next for a long time, with no reported
  problems"

* tag 'usb-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (77 commits)
  usb: typec: ucsi: Add Thunderbolt alternate mode support
  usb: typec: hd3ss3220: Check if regulator needs to be switched
  usb: phy: tegra: parametrize PORTSC1 register offset
  usb: phy: tegra: parametrize HSIC PTS value
  usb: phy: tegra: return error value from utmi_wait_register
  usb: phy: tegra: cosmetic fixes
  dt-bindings: usb: renesas,usbhs: Add RZ/G3E SoC support
  usb: dwc2: fix resume failure if dr_mode is host
  usb: cdns3: fix role switching during resume
  usb: dwc3: gadget: Move vbus draw to workqueue context
  USB: serial: option: add Telit FN920C04 RNDIS compositions
  usb: dwc3: Log dwc3 address in traces
  usb: gadget: tegra-xudc: Add handling for BLCG_COREPLL_PWRDN
  usb: phy: tegra: add HSIC support
  usb: phy: tegra: use phy type directly
  usb: typec: ucsi: Enforce mode selection for cros_ec_ucsi
  usb: typec: ucsi: Support mode selection to activate altmodes
  usb: typec: Introduce mode_selection bit
  usb: typec: Implement mode selection
  usb: typec: Expose alternate mode priority via sysfs
  ...

7 files changed, 69 insertions, 58 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index e85105939af8..fbfcc70b07fb 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1295,8 +1295,7 @@ struct usb_driver {
  *	resume and suspend functions will be called in addition to the driver's
  *	own, so this part of the setup does not need to be replicated.
  *
- * USB drivers must provide all the fields listed above except driver,
- * match, and id_table.
+ * USB device drivers must provide a name, other driver fields are optional.
  */
 struct usb_device_driver {
 	const char *name;
diff --git a/include/linux/usb/gadget_configfs.h b/include/linux/usb/gadget_configfs.h
index 6b5d6838f865..23c1091e88c0 100644
--- a/include/linux/usb/gadget_configfs.h
+++ b/include/linux/usb/gadget_configfs.h
@@ -30,7 +30,7 @@ static ssize_t __struct##_##__name##_show(struct config_item *item, char *page)
 	CONFIGFS_ATTR(struct_name##_, _name)
 
 #define USB_CONFIG_STRING_RW_OPS(struct_in)				\
-static struct configfs_item_operations struct_in##_langid_item_ops = {	\
+static const struct configfs_item_operations struct_in##_langid_item_ops = {	\
 	.release                = struct_in##_attr_release,		\
 };									\
 									\
@@ -86,7 +86,7 @@ static void struct_in##_strings_drop(					\
 	config_item_put(item);						\
 }									\
 									\
-static struct configfs_group_operations struct_in##_strings_ops = {	\
+static const struct configfs_group_operations struct_in##_strings_ops = {	\
 	.make_group     = &struct_in##_strings_make,			\
 	.drop_item      = &struct_in##_strings_drop,			\
 };									\
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index ac95e7c89df5..181db044c4d2 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -760,12 +760,6 @@ static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
  */
 extern struct rw_semaphore ehci_cf_port_reset_rwsem;
 
-/* Keep track of which host controller drivers are loaded */
-#define USB_UHCI_LOADED		0
-#define USB_OHCI_LOADED		1
-#define USB_EHCI_LOADED		2
-extern unsigned long usb_hcds_loaded;
-
 #endif /* __KERNEL__ */
 
 #endif /* __USB_CORE_HCD_H */
diff --git a/include/linux/usb/isp1362.h b/include/linux/usb/isp1362.h
deleted file mode 100644
index 5356c4ae386e..000000000000
--- a/include/linux/usb/isp1362.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * board initialization code should put one of these into dev->platform_data
- * and place the isp1362 onto platform_bus.
- */
-
-#ifndef __LINUX_USB_ISP1362_H__
-#define __LINUX_USB_ISP1362_H__
-
-struct isp1362_platform_data {
-	/* Enable internal pulldown resistors on downstream ports */
-	unsigned sel15Kres:1;
-	/* Clock cannot be stopped */
-	unsigned clknotstop:1;
-	/* On-chip overcurrent protection */
-	unsigned oc_enable:1;
-	/* INT output polarity */
-	unsigned int_act_high:1;
-	/* INT edge or level triggered */
-	unsigned int_edge_triggered:1;
-	/* DREQ output polarity */
-	unsigned dreq_act_high:1;
-	/* DACK input polarity */
-	unsigned dack_act_high:1;
-	/* chip can be resumed via H_WAKEUP pin */
-	unsigned remote_wakeup_connected:1;
-	/* Switch or not to switch (keep always powered) */
-	unsigned no_power_switching:1;
-	/* Ganged port power switching (0) or individual port power switching (1) */
-	unsigned power_switching_mode:1;
-	/* Given port_power, msec/2 after power on till power good */
-	u8 potpg;
-	/* Hardware reset set/clear */
-	void (*reset) (struct device *dev, int set);
-	/* Clock start/stop */
-	void (*clock) (struct device *dev, int start);
-	/* Inter-io delay (ns). The chip is picky about access timings; it
-	 * expects at least:
-	 * 110ns delay between consecutive accesses to DATA_REG,
-	 * 300ns delay between access to ADDR_REG and DATA_REG (registers)
-	 * 462ns delay between access to ADDR_REG and DATA_REG (buffer memory)
-	 * WE MUST NOT be activated during these intervals (even without CS!)
-	 */
-	void (*delay) (struct device *dev, unsigned int delay);
-};
-
-#endif
diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h
index 40afcee8b4f5..6343f88df5de 100644
--- a/include/linux/usb/tegra_usb_phy.h
+++ b/include/linux/usb/tegra_usb_phy.h
@@ -23,6 +23,11 @@ struct gpio_desc;
  * requires_extra_tuning_parameters: true if xcvr_hsslew, hssquelch_level
  *      and hsdiscon_level should be set for adequate signal quality
  * requires_pmc_ao_power_up: true if USB AO is powered down by default
+ * uhsic_registers_offset: for Tegra30+ where HSIC registers were offset
+ *      comparing to Tegra20 by 0x400, since Tegra20 has no UTMIP on PHY2
+ * uhsic_tx_rtune: fine tuned 50 Ohm termination resistor for NMOS/PMOS driver
+ * uhsic_pts_value: parallel transceiver select enumeration value
+ * portsc1_offset: register offset of PORTSC1
  */
 
 struct tegra_phy_soc_config {
@@ -31,6 +36,10 @@ struct tegra_phy_soc_config {
 	bool requires_usbmode_setup;
 	bool requires_extra_tuning_parameters;
 	bool requires_pmc_ao_power_up;
+	u32 uhsic_registers_offset;
+	u32 uhsic_tx_rtune;
+	u32 uhsic_pts_value;
+	u32 portsc1_offset;
 };
 
 struct tegra_utmip_config {
@@ -72,7 +81,7 @@ struct tegra_usb_phy {
 	struct usb_phy *ulpi;
 	struct usb_phy u_phy;
 	bool is_legacy_phy;
-	bool is_ulpi_phy;
+	enum usb_phy_interface phy_type;
 	struct gpio_desc *reset_gpio;
 	struct reset_control *pad_rst;
 	bool wakeup_enabled;
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index 309251572e2e..d61ec38216fa 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -20,12 +20,15 @@ struct typec_port;
 struct typec_altmode_ops;
 struct typec_cable_ops;
 
+struct bus_type;
 struct fwnode_handle;
 struct device;
 
 struct usb_power_delivery;
 struct usb_power_delivery_desc;
 
+extern const struct bus_type typec_bus;
+
 enum typec_port_type {
 	TYPEC_PORT_SRC,
 	TYPEC_PORT_SNK,
@@ -152,6 +155,7 @@ struct typec_altmode_desc {
 	/* Only used with ports */
 	enum typec_port_data	roles;
 	bool			inactive;
+	bool			mode_selection;
 };
 
 void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision);
@@ -287,6 +291,7 @@ enum usb_pd_svdm_ver {
  * @prefer_role: Initial role preference (DRP ports).
  * @accessory: Supported Accessory Modes
  * @usb_capability: Supported USB Modes
+ * @no_mode_control: Ability to manage Alternate Modes
  * @fwnode: Optional fwnode of the port
  * @driver_data: Private pointer for driver specific info
  * @pd: Optional USB Power Delivery Support
@@ -304,6 +309,7 @@ struct typec_capability {
 	enum typec_accessory	accessory[TYPEC_MAX_ACCESSORY];
 	unsigned int		orientation_aware:1;
 	u8			usb_capability;
+	bool			no_mode_control;
 
 	struct fwnode_handle	*fwnode;
 	void			*driver_data;
diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h
index f7db3bd4c90e..0513d333b797 100644
--- a/include/linux/usb/typec_altmode.h
+++ b/include/linux/usb/typec_altmode.h
@@ -9,6 +9,14 @@
 
 #define MODE_DISCOVERY_MAX	6
 
+extern const struct device_type typec_port_altmode_dev_type;
+extern const struct device_type typec_plug_altmode_dev_type;
+extern const struct device_type typec_partner_altmode_dev_type;
+
+#define is_typec_port_altmode(dev) ((dev)->type == &typec_port_altmode_dev_type)
+#define is_typec_plug_altmode(dev) ((dev)->type == &typec_plug_altmode_dev_type)
+#define is_typec_partner_altmode(dev) ((dev)->type == &typec_partner_altmode_dev_type)
+
 struct typec_altmode_ops;
 
 /**
@@ -28,6 +36,8 @@ struct typec_altmode {
 	int				mode;
 	u32				vdo;
 	unsigned int			active:1;
+	u8				priority;
+	bool			mode_selection;
 
 	char				*desc;
 	const struct typec_altmode_ops	*ops;
@@ -231,4 +241,44 @@ void typec_altmode_unregister_driver(struct typec_altmode_driver *drv);
 	module_driver(__typec_altmode_driver, typec_altmode_register_driver, \
 		      typec_altmode_unregister_driver)
 
+/**
+ * typec_mode_selection_start - Start an alternate mode selection process
+ * @partner: Handle to the Type-C partner device
+ * @delay: Delay between mode entry/exit attempts, ms
+ * @timeout: Timeout for a mode entry attempt, ms
+ *
+ * This function initiates the process of attempting to enter an Alternate Mode
+ * supported by the connected Type-C partner.
+ * Returns 0 on success, or a negative error code on failure.
+ */
+int typec_mode_selection_start(struct typec_partner *partner,
+			       const unsigned int delay, const unsigned int timeout);
+
+/**
+ * typec_altmode_state_update - Report the current status of an Alternate Mode
+ * negotiation
+ * @partner: Handle to the Type-C partner device
+ * @svid: Standard or Vendor ID of the Alternate Mode. A value of 0 should be
+ * passed if no mode is currently active
+ * @result: Result of the entry operation. This should be 0 on success, or a
+ * negative error code if the negotiation failed
+ *
+ * This function should be called by an Alternate Mode driver to report the
+ * result of an asynchronous alternate mode entry request. It signals what the
+ * current active SVID is (or 0 if none) and the success or failure status of
+ * the last attempt.
+ */
+void typec_altmode_state_update(struct typec_partner *partner, const u16 svid,
+				const int result);
+
+/**
+ * typec_mode_selection_delete - Delete an alternate mode selection instance
+ * @partner: Handle to the Type-C partner device.
+ *
+ * This function cancels a pending alternate mode selection request that was
+ * previously started with typec_mode_selection_start().
+ * This is typically called when the partner disconnects.
+ */
+void typec_mode_selection_delete(struct typec_partner *partner);
+
 #endif /* __USB_TYPEC_ALTMODE_H */