1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2013 Google, Inc
14 #include <dm/device-internal.h>
15 #include <dm/uclass-internal.h>
18 #include <dm/of_access.h>
21 DECLARE_GLOBAL_DATA_PTR;
23 static int testfdt_drv_ping(struct udevice *dev, int pingval, int *pingret)
25 const struct dm_test_pdata *pdata = dev->platdata;
26 struct dm_test_priv *priv = dev_get_priv(dev);
28 *pingret = pingval + pdata->ping_add;
29 priv->ping_total += *pingret;
34 static const struct test_ops test_ops = {
35 .ping = testfdt_drv_ping,
38 static int testfdt_ofdata_to_platdata(struct udevice *dev)
40 struct dm_test_pdata *pdata = dev_get_platdata(dev);
42 pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
44 pdata->base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
50 static int testfdt_drv_probe(struct udevice *dev)
52 struct dm_test_priv *priv = dev_get_priv(dev);
54 priv->ping_total += DM_TEST_START_TOTAL;
57 * If this device is on a bus, the uclass_flag will be set before
58 * calling this function. In the meantime the uclass_postp is
59 * initlized to a value -1. These are used respectively by
60 * dm_test_bus_child_pre_probe_uclass() and
61 * dm_test_bus_child_post_probe_uclass().
63 priv->uclass_total += priv->uclass_flag;
64 priv->uclass_postp = -1;
69 static const struct udevice_id testfdt_ids[] = {
71 .compatible = "denx,u-boot-fdt-test",
72 .data = DM_TEST_TYPE_FIRST },
74 .compatible = "google,another-fdt-test",
75 .data = DM_TEST_TYPE_SECOND },
79 U_BOOT_DRIVER(testfdt_drv) = {
80 .name = "testfdt_drv",
81 .of_match = testfdt_ids,
82 .id = UCLASS_TEST_FDT,
83 .ofdata_to_platdata = testfdt_ofdata_to_platdata,
84 .probe = testfdt_drv_probe,
86 .priv_auto_alloc_size = sizeof(struct dm_test_priv),
87 .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
90 static const struct udevice_id testfdt1_ids[] = {
92 .compatible = "denx,u-boot-fdt-test1",
93 .data = DM_TEST_TYPE_FIRST },
97 U_BOOT_DRIVER(testfdt1_drv) = {
98 .name = "testfdt1_drv",
99 .of_match = testfdt1_ids,
100 .id = UCLASS_TEST_FDT,
101 .ofdata_to_platdata = testfdt_ofdata_to_platdata,
102 .probe = testfdt_drv_probe,
104 .priv_auto_alloc_size = sizeof(struct dm_test_priv),
105 .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
106 .flags = DM_FLAG_PRE_RELOC,
109 /* From here is the testfdt uclass code */
110 int testfdt_ping(struct udevice *dev, int pingval, int *pingret)
112 const struct test_ops *ops = device_get_ops(dev);
117 return ops->ping(dev, pingval, pingret);
120 UCLASS_DRIVER(testfdt) = {
122 .id = UCLASS_TEST_FDT,
123 .flags = DM_UC_FLAG_SEQ_ALIAS,
126 struct dm_testprobe_pdata {
130 static int testprobe_drv_probe(struct udevice *dev)
132 struct dm_testprobe_pdata *pdata = dev_get_platdata(dev);
134 return pdata->probe_err;
137 static const struct udevice_id testprobe_ids[] = {
138 { .compatible = "denx,u-boot-probe-test" },
142 U_BOOT_DRIVER(testprobe_drv) = {
143 .name = "testprobe_drv",
144 .of_match = testprobe_ids,
145 .id = UCLASS_TEST_PROBE,
146 .probe = testprobe_drv_probe,
147 .platdata_auto_alloc_size = sizeof(struct dm_testprobe_pdata),
150 UCLASS_DRIVER(testprobe) = {
152 .id = UCLASS_TEST_PROBE,
153 .flags = DM_UC_FLAG_SEQ_ALIAS,
156 struct dm_testdevres_pdata {
160 struct dm_testdevres_priv {
165 static int testdevres_drv_bind(struct udevice *dev)
167 struct dm_testdevres_pdata *pdata = dev_get_platdata(dev);
169 pdata->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE, 0);
174 static int testdevres_drv_ofdata_to_platdata(struct udevice *dev)
176 struct dm_testdevres_priv *priv = dev_get_priv(dev);
178 priv->ptr_ofdata = devm_kmalloc(dev, TEST_DEVRES_SIZE3, 0);
183 static int testdevres_drv_probe(struct udevice *dev)
185 struct dm_testdevres_priv *priv = dev_get_priv(dev);
187 priv->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE2, 0);
192 static const struct udevice_id testdevres_ids[] = {
193 { .compatible = "denx,u-boot-devres-test" },
197 U_BOOT_DRIVER(testdevres_drv) = {
198 .name = "testdevres_drv",
199 .of_match = testdevres_ids,
200 .id = UCLASS_TEST_DEVRES,
201 .bind = testdevres_drv_bind,
202 .ofdata_to_platdata = testdevres_drv_ofdata_to_platdata,
203 .probe = testdevres_drv_probe,
204 .platdata_auto_alloc_size = sizeof(struct dm_testdevres_pdata),
205 .priv_auto_alloc_size = sizeof(struct dm_testdevres_priv),
208 UCLASS_DRIVER(testdevres) = {
209 .name = "testdevres",
210 .id = UCLASS_TEST_DEVRES,
211 .flags = DM_UC_FLAG_SEQ_ALIAS,
214 int dm_check_devices(struct unit_test_state *uts, int num_devices)
221 * Now check that the ping adds are what we expect. This is using the
222 * ping-add property in each node.
224 for (i = 0; i < num_devices; i++) {
227 ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
231 * Get the 'ping-expect' property, which tells us what the
232 * ping add should be. We don't use the platdata because we
233 * want to test the code that sets that up
234 * (testfdt_drv_probe()).
236 base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
238 debug("dev=%d, base=%d: %s\n", i, base,
239 fdt_get_name(gd->fdt_blob, dev_of_offset(dev), NULL));
241 ut_assert(!dm_check_operations(uts, dev, base,
248 /* Test that FDT-based binding works correctly */
249 static int dm_test_fdt(struct unit_test_state *uts)
251 const int num_devices = 8;
257 ret = dm_scan_fdt(gd->fdt_blob, false);
260 ret = uclass_get(UCLASS_TEST_FDT, &uc);
263 /* These are num_devices compatible root-level device tree nodes */
264 ut_asserteq(num_devices, list_count_items(&uc->dev_head));
266 /* Each should have platform data but no private data */
267 for (i = 0; i < num_devices; i++) {
268 ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
270 ut_assert(!dev_get_priv(dev));
271 ut_assert(dev->platdata);
274 ut_assertok(dm_check_devices(uts, num_devices));
278 DM_TEST(dm_test_fdt, 0);
280 static int dm_test_alias_highest_id(struct unit_test_state *uts)
284 ret = dev_read_alias_highest_id("eth");
287 ret = dev_read_alias_highest_id("gpio");
290 ret = dev_read_alias_highest_id("pci");
293 ret = dev_read_alias_highest_id("i2c");
296 ret = dev_read_alias_highest_id("deadbeef");
297 ut_asserteq(-1, ret);
301 DM_TEST(dm_test_alias_highest_id, 0);
303 static int dm_test_fdt_pre_reloc(struct unit_test_state *uts)
308 ret = dm_scan_fdt(gd->fdt_blob, true);
311 ret = uclass_get(UCLASS_TEST_FDT, &uc);
315 * These are 2 pre-reloc devices:
316 * one with "u-boot,dm-pre-reloc" property (a-test node), and the other
317 * one whose driver marked with DM_FLAG_PRE_RELOC flag (h-test node).
319 ut_asserteq(2, list_count_items(&uc->dev_head));
323 DM_TEST(dm_test_fdt_pre_reloc, 0);
325 /* Test that sequence numbers are allocated properly */
326 static int dm_test_fdt_uclass_seq(struct unit_test_state *uts)
330 /* A few basic santiy tests */
331 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, true, &dev));
332 ut_asserteq_str("b-test", dev->name);
334 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, true, &dev));
335 ut_asserteq_str("a-test", dev->name);
337 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 5,
339 ut_asserteq_ptr(NULL, dev);
342 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 6, &dev));
343 ut_asserteq_str("e-test", dev->name);
345 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7,
349 * Note that c-test nodes are not probed since it is not a top-level
352 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
353 ut_asserteq_str("b-test", dev->name);
356 * d-test wants sequence number 3 also, but it can't have it because
357 * b-test gets it first.
359 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 2, &dev));
360 ut_asserteq_str("d-test", dev->name);
362 /* d-test actually gets 0 */
363 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 0, &dev));
364 ut_asserteq_str("d-test", dev->name);
366 /* initially no one wants seq 1 */
367 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 1,
369 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
370 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 4, &dev));
372 /* But now that it is probed, we can find it */
373 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, &dev));
374 ut_asserteq_str("f-test", dev->name);
378 DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
380 /* Test that we can find a device by device tree offset */
381 static int dm_test_fdt_offset(struct unit_test_state *uts)
383 const void *blob = gd->fdt_blob;
387 node = fdt_path_offset(blob, "/e-test");
389 ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node,
391 ut_asserteq_str("e-test", dev->name);
393 /* This node should not be bound */
394 node = fdt_path_offset(blob, "/junk");
396 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
399 /* This is not a top level node so should not be probed */
400 node = fdt_path_offset(blob, "/some-bus/c-test@5");
402 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
407 DM_TEST(dm_test_fdt_offset,
408 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
411 * Test various error conditions with uclass_first_device() and
412 * uclass_next_device()
414 static int dm_test_first_next_device(struct unit_test_state *uts)
416 struct dm_testprobe_pdata *pdata;
417 struct udevice *dev, *parent = NULL;
421 /* There should be 4 devices */
422 for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
424 ret = uclass_next_device(&dev)) {
426 parent = dev_get_parent(dev);
429 ut_asserteq(4, count);
431 /* Remove them and try again, with an error on the second one */
432 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
433 pdata = dev_get_platdata(dev);
434 pdata->probe_err = -ENOMEM;
435 device_remove(parent, DM_REMOVE_NORMAL);
436 ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
437 ut_asserteq(-ENOMEM, uclass_next_device(&dev));
438 ut_asserteq_ptr(dev, NULL);
440 /* Now an error on the first one */
441 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
442 pdata = dev_get_platdata(dev);
443 pdata->probe_err = -ENOENT;
444 device_remove(parent, DM_REMOVE_NORMAL);
445 ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
449 DM_TEST(dm_test_first_next_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
452 * check_devices() - Check return values and pointers
454 * This runs through a full sequence of uclass_first_device_check()...
455 * uclass_next_device_check() checking that the return values and devices
459 * @devlist: List of expected devices
460 * @mask: Indicates which devices should return an error. Device n should
461 * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
464 static int check_devices(struct unit_test_state *uts,
465 struct udevice *devlist[], int mask)
471 expected_ret = (mask & 1) ? -ENOENT : 0;
473 ut_asserteq(expected_ret,
474 uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
475 for (i = 0; i < 4; i++) {
476 ut_asserteq_ptr(devlist[i], dev);
477 expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
479 ut_asserteq(expected_ret, uclass_next_device_check(&dev));
481 ut_asserteq_ptr(NULL, dev);
486 /* Test uclass_first_device_check() and uclass_next_device_check() */
487 static int dm_test_first_next_ok_device(struct unit_test_state *uts)
489 struct dm_testprobe_pdata *pdata;
490 struct udevice *dev, *parent = NULL, *devlist[4];
494 /* There should be 4 devices */
496 for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
498 ret = uclass_next_device_check(&dev)) {
500 devlist[count++] = dev;
501 parent = dev_get_parent(dev);
503 ut_asserteq(4, count);
504 ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
505 ut_assertok(check_devices(uts, devlist, 0));
507 /* Remove them and try again, with an error on the second one */
508 pdata = dev_get_platdata(devlist[1]);
509 pdata->probe_err = -ENOENT - 1;
510 device_remove(parent, DM_REMOVE_NORMAL);
511 ut_assertok(check_devices(uts, devlist, 1 << 1));
513 /* Now an error on the first one */
514 pdata = dev_get_platdata(devlist[0]);
515 pdata->probe_err = -ENOENT - 0;
516 device_remove(parent, DM_REMOVE_NORMAL);
517 ut_assertok(check_devices(uts, devlist, 3 << 0));
519 /* Now errors on all */
520 pdata = dev_get_platdata(devlist[2]);
521 pdata->probe_err = -ENOENT - 2;
522 pdata = dev_get_platdata(devlist[3]);
523 pdata->probe_err = -ENOENT - 3;
524 device_remove(parent, DM_REMOVE_NORMAL);
525 ut_assertok(check_devices(uts, devlist, 0xf << 0));
529 DM_TEST(dm_test_first_next_ok_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
531 static const struct udevice_id fdt_dummy_ids[] = {
532 { .compatible = "denx,u-boot-fdt-dummy", },
536 UCLASS_DRIVER(fdt_dummy) = {
538 .id = UCLASS_TEST_DUMMY,
539 .flags = DM_UC_FLAG_SEQ_ALIAS,
542 U_BOOT_DRIVER(fdt_dummy_drv) = {
543 .name = "fdt_dummy_drv",
544 .of_match = fdt_dummy_ids,
545 .id = UCLASS_TEST_DUMMY,
548 static int dm_test_fdt_translation(struct unit_test_state *uts)
553 /* Some simple translations */
554 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
555 ut_asserteq_str("dev@0,0", dev->name);
556 ut_asserteq(0x8000, dev_read_addr(dev));
558 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
559 ut_asserteq_str("dev@1,100", dev->name);
560 ut_asserteq(0x9000, dev_read_addr(dev));
562 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, true, &dev));
563 ut_asserteq_str("dev@2,200", dev->name);
564 ut_asserteq(0xA000, dev_read_addr(dev));
566 /* No translation for busses with #size-cells == 0 */
567 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, true, &dev));
568 ut_asserteq_str("dev@42", dev->name);
569 ut_asserteq(0x42, dev_read_addr(dev));
571 /* dma address translation */
572 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
573 dma_addr[0] = cpu_to_be32(0);
574 dma_addr[1] = cpu_to_be32(0);
575 ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
577 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
578 dma_addr[0] = cpu_to_be32(1);
579 dma_addr[1] = cpu_to_be32(0x100);
580 ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
584 DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
586 static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
592 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
594 addr = devfdt_get_addr(dev);
595 ut_asserteq(0x8000, addr);
597 paddr = map_physmem(addr, 0, MAP_NOCACHE);
598 ut_assertnonnull(paddr);
599 ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
603 DM_TEST(dm_test_fdt_remap_addr_flat,
604 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
606 static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
613 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
615 addr = devfdt_get_addr_size_index(dev, 0, &size);
616 ut_asserteq(0x8000, addr);
617 ut_asserteq(0x1000, size);
619 paddr = map_physmem(addr, 0, MAP_NOCACHE);
620 ut_assertnonnull(paddr);
621 ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
625 DM_TEST(dm_test_fdt_remap_addr_index_flat,
626 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
628 static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
635 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
637 addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
638 ut_asserteq(0x8000, addr);
639 ut_asserteq(0x1000, size);
641 paddr = map_physmem(addr, 0, MAP_NOCACHE);
642 ut_assertnonnull(paddr);
643 ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
647 DM_TEST(dm_test_fdt_remap_addr_name_flat,
648 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
650 static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
656 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
658 addr = dev_read_addr(dev);
659 ut_asserteq(0x8000, addr);
661 paddr = map_physmem(addr, 0, MAP_NOCACHE);
662 ut_assertnonnull(paddr);
663 ut_asserteq_ptr(paddr, dev_remap_addr(dev));
667 DM_TEST(dm_test_fdt_remap_addr_live,
668 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
670 static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
677 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
679 addr = dev_read_addr_size_index(dev, 0, &size);
680 ut_asserteq(0x8000, addr);
681 ut_asserteq(0x1000, size);
683 paddr = map_physmem(addr, 0, MAP_NOCACHE);
684 ut_assertnonnull(paddr);
685 ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
689 DM_TEST(dm_test_fdt_remap_addr_index_live,
690 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
692 static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
699 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
701 addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
702 ut_asserteq(0x8000, addr);
703 ut_asserteq(0x1000, size);
705 paddr = map_physmem(addr, 0, MAP_NOCACHE);
706 ut_assertnonnull(paddr);
707 ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
711 DM_TEST(dm_test_fdt_remap_addr_name_live,
712 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
714 static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
719 if (!of_live_active()) {
720 printf("Live tree not active; ignore test\n");
724 /* Test enabling devices */
726 node = ofnode_path("/usb@2");
728 ut_assert(!of_device_is_available(ofnode_to_np(node)));
729 ofnode_set_enabled(node, true);
730 ut_assert(of_device_is_available(ofnode_to_np(node)));
732 device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
734 ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, true, &dev));
736 /* Test string property setting */
738 ut_assert(device_is_compatible(dev, "sandbox,usb"));
739 ofnode_write_string(node, "compatible", "gdsys,super-usb");
740 ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
741 ofnode_write_string(node, "compatible", "sandbox,usb");
742 ut_assert(device_is_compatible(dev, "sandbox,usb"));
744 /* Test setting generic properties */
746 /* Non-existent in DTB */
747 ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev));
748 /* reg = 0x42, size = 0x100 */
749 ut_assertok(ofnode_write_prop(node, "reg", 8,
750 "\x00\x00\x00\x42\x00\x00\x01\x00"));
751 ut_asserteq(0x42, dev_read_addr(dev));
753 /* Test disabling devices */
755 device_remove(dev, DM_REMOVE_NORMAL);
758 ut_assert(of_device_is_available(ofnode_to_np(node)));
759 ofnode_set_enabled(node, false);
760 ut_assert(!of_device_is_available(ofnode_to_np(node)));
764 DM_TEST(dm_test_fdt_livetree_writing, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
766 static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
770 if (!of_live_active()) {
771 printf("Live tree not active; ignore test\n");
775 node = ofnode_path("/usb@2");
777 /* Test enabling devices */
779 ut_assert(!of_device_is_available(ofnode_to_np(node)));
780 dev_enable_by_path("/usb@2");
781 ut_assert(of_device_is_available(ofnode_to_np(node)));
783 /* Test disabling devices */
785 ut_assert(of_device_is_available(ofnode_to_np(node)));
786 dev_disable_by_path("/usb@2");
787 ut_assert(!of_device_is_available(ofnode_to_np(node)));
791 DM_TEST(dm_test_fdt_disable_enable_by_path, DM_TESTF_SCAN_PDATA |
794 /* Test a few uclass phandle functions */
795 static int dm_test_fdt_phandle(struct unit_test_state *uts)
797 struct udevice *back, *dev, *dev2;
799 ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
800 ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
801 back, "missing", &dev));
802 ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
803 "power-supply", &dev));
804 ut_asserteq(0, device_active(dev));
805 ut_asserteq_str("ldo1", dev->name);
806 ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
807 "power-supply", &dev2));
808 ut_asserteq_ptr(dev, dev2);
812 DM_TEST(dm_test_fdt_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
814 /* Test device_find_first_child_by_uclass() */
815 static int dm_test_first_child(struct unit_test_state *uts)
817 struct udevice *i2c, *dev, *dev2;
819 ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
820 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
821 ut_asserteq_str("rtc@43", dev->name);
822 ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
823 ut_asserteq_ptr(dev, dev2);
824 ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
825 ut_asserteq_str("rtc@61", dev2->name);
827 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
829 ut_asserteq_str("eeprom@2c", dev->name);
830 ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
831 ut_asserteq_ptr(dev, dev2);
833 ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
834 UCLASS_VIDEO, &dev));
835 ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
839 DM_TEST(dm_test_first_child, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
841 /* Test integer functions in dm_read_...() */
842 static int dm_test_read_int(struct unit_test_state *uts)
849 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
850 ut_asserteq_str("a-test", dev->name);
851 ut_assertok(dev_read_u32(dev, "int-value", &val32));
852 ut_asserteq(1234, val32);
854 ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
855 ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
857 ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
858 ut_asserteq(1234, val32);
860 ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
861 ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
863 ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
864 ut_assertok(dev_read_s32(dev, "uint-value", &sval));
865 ut_asserteq(-1234, sval);
868 ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
869 ut_assertok(dev_read_u32u(dev, "uint-value", &val));
870 ut_asserteq(-1234, val);
874 DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);