debug("node=%d\n", node);
goto fallback;
}
- ret = device_get_global_by_of_offset(node, &dev);
+ ret = device_get_global_by_ofnode(offset_to_ofnode(node), &dev);
if (ret) {
debug("device at node %s/%d not found: %d\n", bootdev, node,
ret);
debug("node=%d\n", node);
goto fallback;
}
- ret = device_get_global_by_of_offset(node, &dev);
+ ret = device_get_global_by_ofnode(offset_to_ofnode(node), &dev);
if (ret) {
debug("device at node %s/%d not found: %d\n", bootdev, node,
ret);
reg = <2 1>;
};
+ bind-test {
+ bind-test-child1 {
+ compatible = "sandbox,phy";
+ #phy-cells = <1>;
+ };
+
+ bind-test-child2 {
+ compatible = "simple-bus";
+ };
+ };
+
b-test {
reg = <3 1>;
compatible = "denx,u-boot-fdt-test";
Shows ADC device info and permit printing one-shot analog converted
data from a named Analog to Digital Converter.
+config CMD_BIND
+ bool "bind/unbind - Bind or unbind a device to/from a driver"
+ depends on DM
+ help
+ Bind or unbind a device to/from a driver from the command line.
+ This is useful in situations where a device may be handled by several
+ drivers. For example, this can be used to bind a UDC to the usb ether
+ gadget driver from the command line.
+
config CMD_CLK
bool "clk - Show clock frequencies"
help
obj-$(CONFIG_CMD_SOURCE) += source.o
obj-$(CONFIG_CMD_BDI) += bdinfo.o
obj-$(CONFIG_CMD_BEDBUG) += bedbug.o
+obj-$(CONFIG_CMD_BIND) += bind.o
obj-$(CONFIG_CMD_BINOP) += binop.o
obj-$(CONFIG_CMD_BLOCK_CACHE) += blkcache.o
obj-$(CONFIG_CMD_BMP) += bmp.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2018 JJ Hiblot <jjhiblot@ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <dm/uclass-internal.h>
+
+static int bind_by_class_index(const char *uclass, int index,
+ const char *drv_name)
+{
+ static enum uclass_id uclass_id;
+ struct udevice *dev;
+ struct udevice *parent;
+ int ret;
+ struct driver *drv;
+
+ drv = lists_driver_lookup_name(drv_name);
+ if (!drv) {
+ printf("Cannot find driver '%s'\n", drv_name);
+ return -ENOENT;
+ }
+
+ uclass_id = uclass_get_by_name(uclass);
+ if (uclass_id == UCLASS_INVALID) {
+ printf("%s is not a valid uclass\n", uclass);
+ return -EINVAL;
+ }
+
+ ret = uclass_find_device(uclass_id, index, &parent);
+ if (!parent || ret) {
+ printf("Cannot find device %d of class %s\n", index, uclass);
+ return ret;
+ }
+
+ ret = device_bind_with_driver_data(parent, drv, drv->name, 0,
+ ofnode_null(), &dev);
+ if (!dev || ret) {
+ printf("Unable to bind. err:%d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int find_dev(const char *uclass, int index, struct udevice **devp)
+{
+ static enum uclass_id uclass_id;
+ int rc;
+
+ uclass_id = uclass_get_by_name(uclass);
+ if (uclass_id == UCLASS_INVALID) {
+ printf("%s is not a valid uclass\n", uclass);
+ return -EINVAL;
+ }
+
+ rc = uclass_find_device(uclass_id, index, devp);
+ if (!*devp || rc) {
+ printf("Cannot find device %d of class %s\n", index, uclass);
+ return rc;
+ }
+
+ return 0;
+}
+
+static int unbind_by_class_index(const char *uclass, int index)
+{
+ int ret;
+ struct udevice *dev;
+
+ ret = find_dev(uclass, index, &dev);
+ if (ret)
+ return ret;
+
+ ret = device_remove(dev, DM_REMOVE_NORMAL);
+ if (ret) {
+ printf("Unable to remove. err:%d\n", ret);
+ return ret;
+ }
+
+ ret = device_unbind(dev);
+ if (ret) {
+ printf("Unable to unbind. err:%d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int unbind_child_by_class_index(const char *uclass, int index,
+ const char *drv_name)
+{
+ struct udevice *parent;
+ int ret;
+ struct driver *drv;
+
+ drv = lists_driver_lookup_name(drv_name);
+ if (!drv) {
+ printf("Cannot find driver '%s'\n", drv_name);
+ return -ENOENT;
+ }
+
+ ret = find_dev(uclass, index, &parent);
+ if (ret)
+ return ret;
+
+ ret = device_chld_remove(parent, drv, DM_REMOVE_NORMAL);
+ if (ret)
+ printf("Unable to remove all. err:%d\n", ret);
+
+ ret = device_chld_unbind(parent, drv);
+ if (ret)
+ printf("Unable to unbind all. err:%d\n", ret);
+
+ return ret;
+}
+
+static int bind_by_node_path(const char *path, const char *drv_name)
+{
+ struct udevice *dev;
+ struct udevice *parent = NULL;
+ int ret;
+ ofnode ofnode;
+ struct driver *drv;
+
+ drv = lists_driver_lookup_name(drv_name);
+ if (!drv) {
+ printf("%s is not a valid driver name\n", drv_name);
+ return -ENOENT;
+ }
+
+ ofnode = ofnode_path(path);
+ if (!ofnode_valid(ofnode)) {
+ printf("%s is not a valid node path\n", path);
+ return -EINVAL;
+ }
+
+ while (ofnode_valid(ofnode)) {
+ if (!device_find_global_by_ofnode(ofnode, &parent))
+ break;
+ ofnode = ofnode_get_parent(ofnode);
+ }
+
+ if (!parent) {
+ printf("Cannot find a parent device for node path %s\n", path);
+ return -ENODEV;
+ }
+
+ ofnode = ofnode_path(path);
+ ret = device_bind_with_driver_data(parent, drv, ofnode_get_name(ofnode),
+ 0, ofnode, &dev);
+ if (!dev || ret) {
+ printf("Unable to bind. err:%d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int unbind_by_node_path(const char *path)
+{
+ struct udevice *dev;
+ int ret;
+ ofnode ofnode;
+
+ ofnode = ofnode_path(path);
+ if (!ofnode_valid(ofnode)) {
+ printf("%s is not a valid node path\n", path);
+ return -EINVAL;
+ }
+
+ ret = device_find_global_by_ofnode(ofnode, &dev);
+
+ if (!dev || ret) {
+ printf("Cannot find a device with path %s\n", path);
+ return -ENODEV;
+ }
+
+ ret = device_remove(dev, DM_REMOVE_NORMAL);
+ if (ret) {
+ printf("Unable to remove. err:%d\n", ret);
+ return ret;
+ }
+
+ ret = device_unbind(dev);
+ if (ret) {
+ printf("Unable to unbind. err:%d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int do_bind_unbind(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ int ret = 0;
+ bool bind;
+ bool by_node;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ bind = (argv[0][0] == 'b');
+ by_node = (argv[1][0] == '/');
+
+ if (by_node && bind) {
+ if (argc != 3)
+ return CMD_RET_USAGE;
+ ret = bind_by_node_path(argv[1], argv[2]);
+ } else if (by_node && !bind) {
+ if (argc != 2)
+ return CMD_RET_USAGE;
+ ret = unbind_by_node_path(argv[1]);
+ } else if (!by_node && bind) {
+ int index = (argc > 2) ? simple_strtoul(argv[2], NULL, 10) : 0;
+
+ if (argc != 4)
+ return CMD_RET_USAGE;
+ ret = bind_by_class_index(argv[1], index, argv[3]);
+ } else if (!by_node && !bind) {
+ int index = (argc > 2) ? simple_strtoul(argv[2], NULL, 10) : 0;
+
+ if (argc == 3)
+ ret = unbind_by_class_index(argv[1], index);
+ else if (argc == 4)
+ ret = unbind_child_by_class_index(argv[1], index,
+ argv[3]);
+ else
+ return CMD_RET_USAGE;
+ }
+
+ if (ret)
+ return CMD_RET_FAILURE;
+ else
+ return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(
+ bind, 4, 0, do_bind_unbind,
+ "Bind a device to a driver",
+ "<node path> <driver>\n"
+ "bind <class> <index> <driver>\n"
+);
+
+U_BOOT_CMD(
+ unbind, 4, 0, do_bind_unbind,
+ "Unbind a device from a driver",
+ "<node path>\n"
+ "unbind <class> <index>\n"
+ "unbind <class> <index> <driver>\n"
+);
#if CONFIG_IS_ENABLED(USB_FUNCTION_FASTBOOT)
int controller_index;
char *usb_controller;
+ char *endp;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
usb_controller = argv[1];
- controller_index = simple_strtoul(usb_controller, NULL, 0);
+ controller_index = simple_strtoul(usb_controller, &endp, 0);
+ if (*endp != '\0') {
+ pr_err("Error: Wrong USB controller index format\n");
+ return CMD_RET_FAILURE;
+ }
ret = board_usb_init(controller_index, USB_INIT_DEVICE);
if (ret) {
;
}
+ /* Handle case when USB controller param is just '-' */
+ if (argc == 1) {
+ pr_err("Error: Incorrect USB controller index\n");
+ return CMD_RET_USAGE;
+ }
+
fastboot_init((void *)buf_addr, buf_size);
if (!strcmp(argv[1], "udp"))
CONFIG_CMD_MEMINFO=y
CONFIG_CMD_MEMTEST=y
CONFIG_CMD_MX_CYCLIC=y
+CONFIG_CMD_BIND=y
CONFIG_CMD_DEMO=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_GPT=y
#include <dm/uclass-internal.h>
#include <dm/util.h>
-/**
- * device_chld_unbind() - Unbind all device's children from the device
- *
- * On error, the function continues to unbind all children, and reports the
- * first error.
- *
- * @dev: The device that is to be stripped of its children
- * @return 0 on success, -ve on error
- */
-static int device_chld_unbind(struct udevice *dev)
+int device_chld_unbind(struct udevice *dev, struct driver *drv)
{
struct udevice *pos, *n;
int ret, saved_ret = 0;
assert(dev);
list_for_each_entry_safe(pos, n, &dev->child_head, sibling_node) {
+ if (drv && (pos->driver != drv))
+ continue;
+
ret = device_unbind(pos);
if (ret && !saved_ret)
saved_ret = ret;
return saved_ret;
}
-/**
- * device_chld_remove() - Stop all device's children
- * @dev: The device whose children are to be removed
- * @pre_os_remove: Flag, if this functions is called in the pre-OS stage
- * @return 0 on success, -ve on error
- */
-static int device_chld_remove(struct udevice *dev, uint flags)
+int device_chld_remove(struct udevice *dev, struct driver *drv,
+ uint flags)
{
struct udevice *pos, *n;
int ret;
assert(dev);
list_for_each_entry_safe(pos, n, &dev->child_head, sibling_node) {
+ if (drv && (pos->driver != drv))
+ continue;
+
ret = device_remove(pos, flags);
if (ret)
return ret;
return ret;
}
- ret = device_chld_unbind(dev);
+ ret = device_chld_unbind(dev, NULL);
if (ret)
return ret;
if (ret)
return ret;
- ret = device_chld_remove(dev, flags);
+ ret = device_chld_remove(dev, NULL, flags);
if (ret)
goto err;
return device_get_device_tail(dev, ret, devp);
}
-static struct udevice *_device_find_global_by_of_offset(struct udevice *parent,
- int of_offset)
+static struct udevice *_device_find_global_by_ofnode(struct udevice *parent,
+ ofnode ofnode)
{
struct udevice *dev, *found;
- if (dev_of_offset(parent) == of_offset)
+ if (ofnode_equal(dev_ofnode(parent), ofnode))
return parent;
list_for_each_entry(dev, &parent->child_head, sibling_node) {
- found = _device_find_global_by_of_offset(dev, of_offset);
+ found = _device_find_global_by_ofnode(dev, ofnode);
if (found)
return found;
}
return NULL;
}
-int device_get_global_by_of_offset(int of_offset, struct udevice **devp)
+int device_find_global_by_ofnode(ofnode ofnode, struct udevice **devp)
+{
+ *devp = _device_find_global_by_ofnode(gd->dm_root, ofnode);
+
+ return *devp ? 0 : -ENOENT;
+}
+
+int device_get_global_by_ofnode(ofnode ofnode, struct udevice **devp)
{
struct udevice *dev;
- dev = _device_find_global_by_of_offset(gd->dm_root, of_offset);
+ dev = _device_find_global_by_ofnode(gd->dm_root, ofnode);
return device_get_device_tail(dev, dev ? 0 : -ENOENT, devp);
}
#include <mapmem.h>
#include <dm/root.h>
#include <dm/util.h>
+#include <dm/uclass-internal.h>
static void show_devices(struct udevice *dev, int depth, int last_flag)
{
struct udevice *child;
/* print the first 11 characters to not break the tree-format. */
- printf(" %-10.10s [ %c ] %-10.10s ", dev->uclass->uc_drv->name,
+ printf(" %-10.10s %d [ %c ] %-10.10s ", dev->uclass->uc_drv->name,
+ dev_get_uclass_index(dev, NULL),
dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
for (i = depth; i >= 0; i--) {
root = dm_root();
if (root) {
- printf(" Class Probed Driver Name\n");
- printf("----------------------------------------\n");
+ printf(" Class index Probed Driver Name\n");
+ printf("-----------------------------------------\n");
show_devices(root, -1, 0);
}
}
*
* @dev: Device to display
*/
-static void dm_display_line(struct udevice *dev)
+static void dm_display_line(struct udevice *dev, int index)
{
- printf("- %c %s @ %08lx",
+ printf("%i %c %s @ %08lx", index,
dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ',
dev->name, (ulong)map_to_sysmem(dev));
if (dev->seq != -1 || dev->req_seq != -1)
for (id = 0; id < UCLASS_COUNT; id++) {
struct udevice *dev;
+ int i = 0;
ret = uclass_get(id, &uc);
if (ret)
if (list_empty(&uc->dev_head))
continue;
list_for_each_entry(dev, &uc->dev_head, uclass_node) {
- dm_display_line(dev);
+ dm_display_line(dev, i);
+ i++;
}
puts("\n");
}
return UCLASS_INVALID;
}
+int dev_get_uclass_index(struct udevice *dev, struct uclass **ucp)
+{
+ struct udevice *iter;
+ struct uclass *uc = dev->uclass;
+ int i = 0;
+
+ if (list_empty(&uc->dev_head))
+ return -ENODEV;
+
+ list_for_each_entry(iter, &uc->dev_head, uclass_node) {
+ if (iter == dev) {
+ if (ucp)
+ *ucp = uc;
+ return i;
+ }
+ i++;
+ }
+
+ return -ENODEV;
+}
+
int uclass_find_device(enum uclass_id id, int index, struct udevice **devp)
{
struct uclass *uc;
return 0x21;
else if (gadget_is_fotg210(gadget))
return 0x22;
+ else if (gadget_is_dwc3(gadget))
+ return 0x23;
return -ENOENT;
}
*
* This file is part of the Inventra Controller Driver for Linux.
*/
-#ifndef __UBOOT__
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/pm_runtime.h>
-#include <linux/err.h>
-#include <linux/usb/musb-omap.h>
-#else
#include <common.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <linux/usb/otg.h>
#include <asm/omap_common.h>
#include <asm/omap_musb.h>
#include <twl4030.h>
#include <twl6030.h>
#include "linux-compat.h"
-#endif
-
#include "musb_core.h"
#include "omap2430.h"
-
-#ifndef __UBOOT__
-struct omap2430_glue {
- struct device *dev;
- struct platform_device *musb;
- enum omap_musb_vbus_id_status status;
- struct work_struct omap_musb_mailbox_work;
-};
-#define glue_to_musb(g) platform_get_drvdata(g->musb)
-
-struct omap2430_glue *_glue;
-
-static struct timer_list musb_idle_timer;
-
-static void musb_do_idle(unsigned long _musb)
-{
- struct musb *musb = (void *)_musb;
- unsigned long flags;
- u8 power;
- u8 devctl;
-
- spin_lock_irqsave(&musb->lock, flags);
-
- switch (musb->xceiv->state) {
- case OTG_STATE_A_WAIT_BCON:
-
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
- if (devctl & MUSB_DEVCTL_BDEVICE) {
- musb->xceiv->state = OTG_STATE_B_IDLE;
- MUSB_DEV_MODE(musb);
- } else {
- musb->xceiv->state = OTG_STATE_A_IDLE;
- MUSB_HST_MODE(musb);
- }
- break;
- case OTG_STATE_A_SUSPEND:
- /* finish RESUME signaling? */
- if (musb->port1_status & MUSB_PORT_STAT_RESUME) {
- power = musb_readb(musb->mregs, MUSB_POWER);
- power &= ~MUSB_POWER_RESUME;
- dev_dbg(musb->controller, "root port resume stopped, power %02x\n", power);
- musb_writeb(musb->mregs, MUSB_POWER, power);
- musb->is_active = 1;
- musb->port1_status &= ~(USB_PORT_STAT_SUSPEND
- | MUSB_PORT_STAT_RESUME);
- musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
- usb_hcd_poll_rh_status(musb_to_hcd(musb));
- /* NOTE: it might really be A_WAIT_BCON ... */
- musb->xceiv->state = OTG_STATE_A_HOST;
- }
- break;
- case OTG_STATE_A_HOST:
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
- if (devctl & MUSB_DEVCTL_BDEVICE)
- musb->xceiv->state = OTG_STATE_B_IDLE;
- else
- musb->xceiv->state = OTG_STATE_A_WAIT_BCON;
- default:
- break;
- }
- spin_unlock_irqrestore(&musb->lock, flags);
-}
-
-
-static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout)
-{
- unsigned long default_timeout = jiffies + msecs_to_jiffies(3);
- static unsigned long last_timer;
-
- if (timeout == 0)
- timeout = default_timeout;
-
- /* Never idle if active, or when VBUS timeout is not set as host */
- if (musb->is_active || ((musb->a_wait_bcon == 0)
- && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) {
- dev_dbg(musb->controller, "%s active, deleting timer\n",
- otg_state_string(musb->xceiv->state));
- del_timer(&musb_idle_timer);
- last_timer = jiffies;
- return;
- }
-
- if (time_after(last_timer, timeout)) {
- if (!timer_pending(&musb_idle_timer))
- last_timer = timeout;
- else {
- dev_dbg(musb->controller, "Longer idle timer already pending, ignoring\n");
- return;
- }
- }
- last_timer = timeout;
-
- dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n",
- otg_state_string(musb->xceiv->state),
- (unsigned long)jiffies_to_msecs(timeout - jiffies));
- mod_timer(&musb_idle_timer, timeout);
-}
-
-static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
-{
- struct usb_otg *otg = musb->xceiv->otg;
- u8 devctl;
- unsigned long timeout = jiffies + msecs_to_jiffies(1000);
- int ret = 1;
- /* HDRC controls CPEN, but beware current surges during device
- * connect. They can trigger transient overcurrent conditions
- * that must be ignored.
- */
-
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
-
- if (is_on) {
- if (musb->xceiv->state == OTG_STATE_A_IDLE) {
- /* start the session */
- devctl |= MUSB_DEVCTL_SESSION;
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
- /*
- * Wait for the musb to set as A device to enable the
- * VBUS
- */
- while (musb_readb(musb->mregs, MUSB_DEVCTL) & 0x80) {
-
- cpu_relax();
-
- if (time_after(jiffies, timeout)) {
- dev_err(musb->controller,
- "configured as A device timeout");
- ret = -EINVAL;
- break;
- }
- }
-
- if (ret && otg->set_vbus)
- otg_set_vbus(otg, 1);
- } else {
- musb->is_active = 1;
- otg->default_a = 1;
- musb->xceiv->state = OTG_STATE_A_WAIT_VRISE;
- devctl |= MUSB_DEVCTL_SESSION;
- MUSB_HST_MODE(musb);
- }
- } else {
- musb->is_active = 0;
-
- /* NOTE: we're skipping A_WAIT_VFALL -> A_IDLE and
- * jumping right to B_IDLE...
- */
-
- otg->default_a = 0;
- musb->xceiv->state = OTG_STATE_B_IDLE;
- devctl &= ~MUSB_DEVCTL_SESSION;
-
- MUSB_DEV_MODE(musb);
- }
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
-
- dev_dbg(musb->controller, "VBUS %s, devctl %02x "
- /* otg %3x conf %08x prcm %08x */ "\n",
- otg_state_string(musb->xceiv->state),
- musb_readb(musb->mregs, MUSB_DEVCTL));
-}
-
-static int omap2430_musb_set_mode(struct musb *musb, u8 musb_mode)
-{
- u8 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
-
- devctl |= MUSB_DEVCTL_SESSION;
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
-
- return 0;
-}
-#endif
+#include "musb_uboot.h"
static inline void omap2430_low_level_exit(struct musb *musb)
{
musb_writel(musb->mregs, OTG_FORCESTDBY, l);
}
-#ifndef __UBOOT__
-void omap_musb_mailbox(enum omap_musb_vbus_id_status status)
-{
- struct omap2430_glue *glue = _glue;
- struct musb *musb = glue_to_musb(glue);
-
- glue->status = status;
- if (!musb) {
- dev_err(glue->dev, "musb core is not yet ready\n");
- return;
- }
-
- schedule_work(&glue->omap_musb_mailbox_work);
-}
-EXPORT_SYMBOL_GPL(omap_musb_mailbox);
-
-static void omap_musb_set_mailbox(struct omap2430_glue *glue)
-{
- struct musb *musb = glue_to_musb(glue);
- struct device *dev = musb->controller;
- struct musb_hdrc_platform_data *pdata = dev->platform_data;
- struct omap_musb_board_data *data = pdata->board_data;
- struct usb_otg *otg = musb->xceiv->otg;
-
- switch (glue->status) {
- case OMAP_MUSB_ID_GROUND:
- dev_dbg(dev, "ID GND\n");
-
- otg->default_a = true;
- musb->xceiv->state = OTG_STATE_A_IDLE;
- musb->xceiv->last_event = USB_EVENT_ID;
- if (!is_otg_enabled(musb) || musb->gadget_driver) {
- pm_runtime_get_sync(dev);
- usb_phy_init(musb->xceiv);
- omap2430_musb_set_vbus(musb, 1);
- }
- break;
-
- case OMAP_MUSB_VBUS_VALID:
- dev_dbg(dev, "VBUS Connect\n");
-
- otg->default_a = false;
- musb->xceiv->state = OTG_STATE_B_IDLE;
- musb->xceiv->last_event = USB_EVENT_VBUS;
- if (musb->gadget_driver)
- pm_runtime_get_sync(dev);
- usb_phy_init(musb->xceiv);
- break;
-
- case OMAP_MUSB_ID_FLOAT:
- case OMAP_MUSB_VBUS_OFF:
- dev_dbg(dev, "VBUS Disconnect\n");
-
- musb->xceiv->last_event = USB_EVENT_NONE;
- if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
- if (musb->gadget_driver) {
- pm_runtime_mark_last_busy(dev);
- pm_runtime_put_autosuspend(dev);
- }
-
- if (data->interface_type == MUSB_INTERFACE_UTMI) {
- if (musb->xceiv->otg->set_vbus)
- otg_set_vbus(musb->xceiv->otg, 0);
- }
- usb_phy_shutdown(musb->xceiv);
- break;
- default:
- dev_dbg(dev, "ID float\n");
- }
-}
-
-
-static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
-{
- struct omap2430_glue *glue = container_of(mailbox_work,
- struct omap2430_glue, omap_musb_mailbox_work);
- omap_musb_set_mailbox(glue);
-}
-#endif
static int omap2430_musb_init(struct musb *musb)
{
u32 l;
int status = 0;
unsigned long int start;
-#ifndef __UBOOT__
- struct device *dev = musb->controller;
- struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- struct musb_hdrc_platform_data *plat = dev->platform_data;
- struct omap_musb_board_data *data = plat->board_data;
-#else
+
struct omap_musb_board_data *data =
(struct omap_musb_board_data *)musb->controller;
-#endif
/* Reset the controller */
musb_writel(musb->mregs, OTG_SYSCONFIG, SOFTRST);
}
}
-#ifndef __UBOOT__
- /* We require some kind of external transceiver, hooked
- * up through ULPI. TWL4030-family PMICs include one,
- * which needs a driver, drivers aren't always needed.
- */
- musb->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(musb->xceiv)) {
- pr_err("HS USB OTG: no transceiver configured\n");
- return -ENODEV;
- }
-
- status = pm_runtime_get_sync(dev);
- if (status < 0) {
- dev_err(dev, "pm_runtime_get_sync FAILED %d\n", status);
- goto err1;
- }
-#endif
-
l = musb_readl(musb->mregs, OTG_INTERFSEL);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
musb_readl(musb->mregs, OTG_SYSSTATUS),
musb_readl(musb->mregs, OTG_INTERFSEL),
musb_readl(musb->mregs, OTG_SIMENABLE));
-
-#ifndef __UBOOT__
- setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);
-
- if (glue->status != OMAP_MUSB_UNKNOWN)
- omap_musb_set_mailbox(glue);
-
- pm_runtime_put_noidle(musb->controller);
-#endif
return 0;
err1:
return status;
}
-#ifndef __UBOOT__
-static void omap2430_musb_enable(struct musb *musb)
-#else
static int omap2430_musb_enable(struct musb *musb)
-#endif
{
-#ifndef __UBOOT__
- u8 devctl;
- unsigned long timeout = jiffies + msecs_to_jiffies(1000);
- struct device *dev = musb->controller;
- struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- struct musb_hdrc_platform_data *pdata = dev->platform_data;
- struct omap_musb_board_data *data = pdata->board_data;
-
- switch (glue->status) {
-
- case OMAP_MUSB_ID_GROUND:
- usb_phy_init(musb->xceiv);
- if (data->interface_type != MUSB_INTERFACE_UTMI)
- break;
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
- /* start the session */
- devctl |= MUSB_DEVCTL_SESSION;
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
- while (musb_readb(musb->mregs, MUSB_DEVCTL) &
- MUSB_DEVCTL_BDEVICE) {
- cpu_relax();
-
- if (time_after(jiffies, timeout)) {
- dev_err(dev, "configured as A device timeout");
- break;
- }
- }
- break;
-
- case OMAP_MUSB_VBUS_VALID:
- usb_phy_init(musb->xceiv);
- break;
-
- default:
- break;
- }
-#else
#ifdef CONFIG_TWL4030_USB
if (twl4030_usb_ulpi_init()) {
serial_printf("ERROR: %s Could not initialize PHY\n",
#endif
return 0;
-#endif
}
static void omap2430_musb_disable(struct musb *musb)
{
-#ifndef __UBOOT__
- struct device *dev = musb->controller;
- struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- if (glue->status != OMAP_MUSB_UNKNOWN)
- usb_phy_shutdown(musb->xceiv);
-#endif
}
static int omap2430_musb_exit(struct musb *musb)
return 0;
}
-#ifndef __UBOOT__
-static const struct musb_platform_ops omap2430_ops = {
-#else
const struct musb_platform_ops omap2430_ops = {
-#endif
.init = omap2430_musb_init,
.exit = omap2430_musb_exit,
-
-#ifndef __UBOOT__
- .set_mode = omap2430_musb_set_mode,
- .try_idle = omap2430_musb_try_idle,
-
- .set_vbus = omap2430_musb_set_vbus,
-#endif
-
.enable = omap2430_musb_enable,
.disable = omap2430_musb_disable,
};
-#ifndef __UBOOT__
-static u64 omap2430_dmamask = DMA_BIT_MASK(32);
+#if defined(CONFIG_DM_USB)
+
+struct omap2430_musb_platdata {
+ void *base;
+ void *ctrl_mod_base;
+ struct musb_hdrc_platform_data plat;
+ struct musb_hdrc_config musb_config;
+ struct omap_musb_board_data otg_board_data;
+};
-static int __devinit omap2430_probe(struct platform_device *pdev)
+static int omap2430_musb_ofdata_to_platdata(struct udevice *dev)
{
- struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
- struct platform_device *musb;
- struct omap2430_glue *glue;
- int ret = -ENOMEM;
-
- glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
- if (!glue) {
- dev_err(&pdev->dev, "failed to allocate glue context\n");
- goto err0;
+ struct omap2430_musb_platdata *platdata = dev_get_platdata(dev);
+ const void *fdt = gd->fdt_blob;
+ int node = dev_of_offset(dev);
+
+ platdata->base = (void *)dev_read_addr_ptr(dev);
+
+ platdata->musb_config.multipoint = fdtdec_get_int(fdt, node,
+ "multipoint",
+ -1);
+ if (platdata->musb_config.multipoint < 0) {
+ pr_err("MUSB multipoint DT entry missing\n");
+ return -ENOENT;
}
- musb = platform_device_alloc("musb-hdrc", -1);
- if (!musb) {
- dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err0;
+ platdata->musb_config.dyn_fifo = 1;
+ platdata->musb_config.num_eps = fdtdec_get_int(fdt, node,
+ "num-eps", -1);
+ if (platdata->musb_config.num_eps < 0) {
+ pr_err("MUSB num-eps DT entry missing\n");
+ return -ENOENT;
}
- musb->dev.parent = &pdev->dev;
- musb->dev.dma_mask = &omap2430_dmamask;
- musb->dev.coherent_dma_mask = omap2430_dmamask;
-
- glue->dev = &pdev->dev;
- glue->musb = musb;
- glue->status = OMAP_MUSB_UNKNOWN;
-
- pdata->platform_ops = &omap2430_ops;
-
- platform_set_drvdata(pdev, glue);
-
- /*
- * REVISIT if we ever have two instances of the wrapper, we will be
- * in big trouble
- */
- _glue = glue;
-
- INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work);
-
- ret = platform_device_add_resources(musb, pdev->resource,
- pdev->num_resources);
- if (ret) {
- dev_err(&pdev->dev, "failed to add resources\n");
- goto err1;
+ platdata->musb_config.ram_bits = fdtdec_get_int(fdt, node,
+ "ram-bits", -1);
+ if (platdata->musb_config.ram_bits < 0) {
+ pr_err("MUSB ram-bits DT entry missing\n");
+ return -ENOENT;
}
- ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
- if (ret) {
- dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err1;
+ platdata->plat.power = fdtdec_get_int(fdt, node,
+ "power", -1);
+ if (platdata->plat.power < 0) {
+ pr_err("MUSB power DT entry missing\n");
+ return -ENOENT;
}
- pm_runtime_enable(&pdev->dev);
-
- ret = platform_device_add(musb);
- if (ret) {
- dev_err(&pdev->dev, "failed to register musb device\n");
- goto err1;
+ platdata->otg_board_data.interface_type = fdtdec_get_int(fdt, node,
+ "interface-type", -1);
+ if (platdata->otg_board_data.interface_type < 0) {
+ pr_err("MUSB interface-type DT entry missing\n");
+ return -ENOENT;
}
- return 0;
-
-err1:
- platform_device_put(musb);
-
-err0:
- return ret;
-}
-
-static int __devexit omap2430_remove(struct platform_device *pdev)
-{
- struct omap2430_glue *glue = platform_get_drvdata(pdev);
-
- cancel_work_sync(&glue->omap_musb_mailbox_work);
- platform_device_del(glue->musb);
- platform_device_put(glue->musb);
-
+#if 0 /* In a perfect world, mode would be set to OTG, mode 3 from DT */
+ platdata->plat.mode = fdtdec_get_int(fdt, node,
+ "mode", -1);
+ if (platdata->plat.mode < 0) {
+ pr_err("MUSB mode DT entry missing\n");
+ return -ENOENT;
+ }
+#else /* MUSB_OTG, it doesn't work */
+#ifdef CONFIG_USB_MUSB_HOST /* Host seems to be the only option that works */
+ platdata->plat.mode = MUSB_HOST;
+#else /* For that matter, MUSB_PERIPHERAL doesn't either */
+ platdata->plat.mode = MUSB_PERIPHERAL;
+#endif
+#endif
+ platdata->otg_board_data.dev = dev;
+ platdata->plat.config = &platdata->musb_config;
+ platdata->plat.platform_ops = &omap2430_ops;
+ platdata->plat.board_data = &platdata->otg_board_data;
return 0;
}
-#ifdef CONFIG_PM
-
-static int omap2430_runtime_suspend(struct device *dev)
+static int omap2430_musb_probe(struct udevice *dev)
{
- struct omap2430_glue *glue = dev_get_drvdata(dev);
- struct musb *musb = glue_to_musb(glue);
-
- if (musb) {
- musb->context.otg_interfsel = musb_readl(musb->mregs,
- OTG_INTERFSEL);
-
- omap2430_low_level_exit(musb);
- usb_phy_set_suspend(musb->xceiv, 1);
+#ifdef CONFIG_USB_MUSB_HOST
+ struct musb_host_data *host = dev_get_priv(dev);
+#endif
+ struct omap2430_musb_platdata *platdata = dev_get_platdata(dev);
+ struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
+ struct omap_musb_board_data *otg_board_data;
+ int ret;
+ void *base = dev_read_addr_ptr(dev);
+
+ priv->desc_before_addr = true;
+
+ otg_board_data = &platdata->otg_board_data;
+
+#ifdef CONFIG_USB_MUSB_HOST
+ host->host = musb_init_controller(&platdata->plat,
+ (struct device *)otg_board_data,
+ platdata->base);
+ if (!host->host) {
+ return -EIO;
}
- return 0;
+ ret = musb_lowlevel_init(host);
+#else
+ ret = musb_register(&platdata->plat,
+ (struct device *)otg_board_data,
+ platdata->base);
+#endif
+ return ret;
}
-static int omap2430_runtime_resume(struct device *dev)
+static int omap2430_musb_remove(struct udevice *dev)
{
- struct omap2430_glue *glue = dev_get_drvdata(dev);
- struct musb *musb = glue_to_musb(glue);
+ struct musb_host_data *host = dev_get_priv(dev);
- if (musb) {
- omap2430_low_level_init(musb);
- musb_writel(musb->mregs, OTG_INTERFSEL,
- musb->context.otg_interfsel);
-
- usb_phy_set_suspend(musb->xceiv, 0);
- }
+ musb_stop(host->host);
return 0;
}
-static struct dev_pm_ops omap2430_pm_ops = {
- .runtime_suspend = omap2430_runtime_suspend,
- .runtime_resume = omap2430_runtime_resume,
+static const struct udevice_id omap2430_musb_ids[] = {
+ { .compatible = "ti,omap3-musb" },
+ { .compatible = "ti,omap4-musb" },
+ { }
};
-#define DEV_PM_OPS (&omap2430_pm_ops)
+U_BOOT_DRIVER(omap2430_musb) = {
+ .name = "omap2430-musb",
+#ifdef CONFIG_USB_MUSB_HOST
+ .id = UCLASS_USB,
#else
-#define DEV_PM_OPS NULL
+ .id = UCLASS_USB_DEV_GENERIC,
#endif
-
-static struct platform_driver omap2430_driver = {
- .probe = omap2430_probe,
- .remove = __devexit_p(omap2430_remove),
- .driver = {
- .name = "musb-omap2430",
- .pm = DEV_PM_OPS,
- },
+ .of_match = omap2430_musb_ids,
+ .ofdata_to_platdata = omap2430_musb_ofdata_to_platdata,
+ .probe = omap2430_musb_probe,
+ .remove = omap2430_musb_remove,
+#ifdef CONFIG_USB_MUSB_HOST
+ .ops = &musb_usb_ops,
+#endif
+ .platdata_auto_alloc_size = sizeof(struct omap2430_musb_platdata),
+ .priv_auto_alloc_size = sizeof(struct musb_host_data),
};
-MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");
-MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
-MODULE_LICENSE("GPL v2");
-
-static int __init omap2430_init(void)
-{
- return platform_driver_register(&omap2430_driver);
-}
-subsys_initcall(omap2430_init);
-
-static void __exit omap2430_exit(void)
-{
- platform_driver_unregister(&omap2430_driver);
-}
-module_exit(omap2430_exit);
-#endif
+#endif /* CONFIG_DM_USB */
#endif
/**
+ * device_chld_unbind() - Unbind all device's children from the device if bound
+ * to drv
+ *
+ * On error, the function continues to unbind all children, and reports the
+ * first error.
+ *
+ * @dev: The device that is to be stripped of its children
+ * @drv: The targeted driver
+ * @return 0 on success, -ve on error
+ */
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int device_chld_unbind(struct udevice *dev, struct driver *drv);
+#else
+static inline int device_chld_unbind(struct udevice *dev, struct driver *drv)
+{
+ return 0;
+}
+#endif
+
+/**
+ * device_chld_remove() - Stop all device's children
+ * @dev: The device whose children are to be removed
+ * @drv: The targeted driver
+ * @flags: Flag, if this functions is called in the pre-OS stage
+ * @return 0 on success, -ve on error
+ */
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int device_chld_remove(struct udevice *dev, struct driver *drv,
+ uint flags);
+#else
+static inline int device_chld_remove(struct udevice *dev, struct driver *drv,
+ uint flags)
+{
+ return 0;
+}
+#endif
+
+/**
* simple_bus_translate() - translate a bus address to a system address
*
* This handles the 'ranges' property in a simple bus. It translates the
struct udevice **devp);
/**
- * device_get_global_by_of_offset() - Get a device based on FDT offset
+ * device_find_global_by_ofnode() - Get a device based on ofnode
*
- * Locates a device by its device tree offset, searching globally throughout
+ * Locates a device by its device tree ofnode, searching globally throughout
+ * the all driver model devices.
+ *
+ * The device is NOT probed
+ *
+ * @node: Device tree ofnode to find
+ * @devp: Returns pointer to device if found, otherwise this is set to NULL
+ * @return 0 if OK, -ve on error
+ */
+
+int device_find_global_by_ofnode(ofnode node, struct udevice **devp);
+
+/**
+ * device_get_global_by_ofnode() - Get a device based on ofnode
+ *
+ * Locates a device by its device tree ofnode, searching globally throughout
* the all driver model devices.
*
* The device is probed to activate it ready for use.
*
- * @of_offset: Device tree offset to find
+ * @node: Device tree ofnode to find
* @devp: Returns pointer to device if found, otherwise this is set to NULL
* @return 0 if OK, -ve on error
*/
-int device_get_global_by_of_offset(int of_offset, struct udevice **devp);
+int device_get_global_by_ofnode(ofnode node, struct udevice **devp);
/**
* device_find_first_child() - Find the first child of a device
int uclass_get_device_tail(struct udevice *dev, int ret, struct udevice **devp);
/**
+ * dev_get_uclass_index() - Get uclass and index of device
+ * @dev: - in - Device that we want the uclass/index of
+ * @ucp: - out - A pointer to the uclass the device belongs to
+ *
+ * The device is not prepared for use - this is an internal function.
+ *
+ * @return the index of the device in the uclass list or -ENODEV if not found.
+ */
+int dev_get_uclass_index(struct udevice *dev, struct uclass **ucp);
+
+/**
* uclass_find_device() - Return n-th child of uclass
* @id: Id number of the uclass
* @index: Position of the child in uclass's list
eth_get_ops(current)->stop(current);
priv = current->uclass_priv;
- priv->state = ETH_STATE_PASSIVE;
+ if (priv)
+ priv->state = ETH_STATE_PASSIVE;
}
int eth_is_active(struct udevice *dev)
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
+
+import os.path
+import pytest
+import re
+
+def in_tree(response, name, uclass, drv, depth, last_child):
+ lines = [x.strip() for x in response.splitlines()]
+ leaf = ' ' * 4 * depth;
+ if not last_child:
+ leaf = leaf + '\|'
+ else:
+ leaf = leaf + '`'
+ leaf = leaf + '-- ' + name
+ line = ' *{:10.10} [0-9]* \[ [ +] \] {:10.10} {}$'.format(uclass, drv,leaf)
+ prog = re.compile(line)
+ for l in lines:
+ if prog.match(l):
+ return True
+ return False
+
+
+@pytest.mark.buildconfigspec('cmd_bind')
+def test_bind_unbind_with_node(u_boot_console):
+
+ #bind /bind-test. Device should come up as well as its children
+ response = u_boot_console.run_command("bind /bind-test generic_simple_bus")
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
+ assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
+ assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 1, True)
+
+ #Unbind child #1. No error expected and all devices should be there except for bind-test-child1
+ response = u_boot_console.run_command("unbind /bind-test/bind-test-child1")
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
+ assert "bind-test-child1" not in tree
+ assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 1, True)
+
+ #bind child #1. No error expected and all devices should be there
+ response = u_boot_console.run_command("bind /bind-test/bind-test-child1 phy_sandbox")
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
+ assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, True)
+ assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 1, False)
+
+ #Unbind child #2. No error expected and all devices should be there except for bind-test-child2
+ response = u_boot_console.run_command("unbind /bind-test/bind-test-child2")
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
+ assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, True)
+ assert "bind-test-child2" not in tree
+
+
+ #Bind child #2. No error expected and all devices should be there
+ response = u_boot_console.run_command("bind /bind-test/bind-test-child2 generic_simple_bus")
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
+ assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
+ assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 1, True)
+
+ #Unbind parent. No error expected. All devices should be removed and unbound
+ response = u_boot_console.run_command("unbind /bind-test")
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert "bind-test" not in tree
+ assert "bind-test-child1" not in tree
+ assert "bind-test-child2" not in tree
+
+ #try binding invalid node with valid driver
+ response = u_boot_console.run_command("bind /not-a-valid-node generic_simple_bus")
+ assert response != ''
+ tree = u_boot_console.run_command("dm tree")
+ assert "not-a-valid-node" not in tree
+
+ #try binding valid node with invalid driver
+ response = u_boot_console.run_command("bind /bind-test not_a_driver")
+ assert response != ''
+ tree = u_boot_console.run_command("dm tree")
+ assert "bind-test" not in tree
+
+ #bind /bind-test. Device should come up as well as its children
+ response = u_boot_console.run_command("bind /bind-test generic_simple_bus")
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
+ assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
+ assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 1, True)
+
+ response = u_boot_console.run_command("unbind /bind-test")
+ assert response == ''
+
+def get_next_line(tree, name):
+ treelines = [x.strip() for x in tree.splitlines() if x.strip()]
+ child_line = ""
+ for idx, line in enumerate(treelines):
+ if ("-- " + name) in line:
+ try:
+ child_line = treelines[idx+1]
+ except:
+ pass
+ break
+ return child_line
+
+@pytest.mark.buildconfigspec('cmd_bind')
+def test_bind_unbind_with_uclass(u_boot_console):
+ #bind /bind-test
+ response = u_boot_console.run_command("bind /bind-test generic_simple_bus")
+ assert response == ''
+
+ #make sure bind-test-child2 is there and get its uclass/index pair
+ tree = u_boot_console.run_command("dm tree")
+ child2_line = [x.strip() for x in tree.splitlines() if "-- bind-test-child2" in x]
+ assert len(child2_line) == 1
+
+ child2_uclass = child2_line[0].split()[0]
+ child2_index = int(child2_line[0].split()[1])
+
+ #bind generic_simple_bus as a child of bind-test-child2
+ response = u_boot_console.run_command("bind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
+
+ #check that the child is there and its uclass/index pair is right
+ tree = u_boot_console.run_command("dm tree")
+
+ child_of_child2_line = get_next_line(tree, "bind-test-child2")
+ assert child_of_child2_line
+ child_of_child2_index = int(child_of_child2_line.split()[1])
+ assert in_tree(tree, "generic_simple_bus", "simple_bus", "generic_simple_bus", 2, True)
+ assert child_of_child2_index == child2_index + 1
+
+ #unbind the child and check it has been removed
+ response = u_boot_console.run_command("unbind simple_bus {}".format(child_of_child2_index))
+ assert response == ''
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 1, True)
+ assert not in_tree(tree, "generic_simple_bus", "simple_bus", "generic_simple_bus", 2, True)
+ child_of_child2_line = get_next_line(tree, "bind-test-child2")
+ assert child_of_child2_line == ""
+
+ #bind generic_simple_bus as a child of bind-test-child2
+ response = u_boot_console.run_command("bind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
+
+ #check that the child is there and its uclass/index pair is right
+ tree = u_boot_console.run_command("dm tree")
+ treelines = [x.strip() for x in tree.splitlines() if x.strip()]
+
+ child_of_child2_line = get_next_line(tree, "bind-test-child2")
+ assert child_of_child2_line
+ child_of_child2_index = int(child_of_child2_line.split()[1])
+ assert in_tree(tree, "generic_simple_bus", "simple_bus", "generic_simple_bus", 2, True)
+ assert child_of_child2_index == child2_index + 1
+
+ #unbind the child and check it has been removed
+ response = u_boot_console.run_command("unbind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
+ assert response == ''
+
+ tree = u_boot_console.run_command("dm tree")
+ assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 1, True)
+
+ child_of_child2_line = get_next_line(tree, "bind-test-child2")
+ assert child_of_child2_line == ""
+
+ #unbind the child again and check it doesn't change the tree
+ tree_old = u_boot_console.run_command("dm tree")
+ response = u_boot_console.run_command("unbind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
+ tree_new = u_boot_console.run_command("dm tree")
+
+ assert response == ''
+ assert tree_old == tree_new
+
+ response = u_boot_console.run_command("unbind /bind-test")
+ assert response == ''
projects / platform / kernel / u-boot.git / commitdiff