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 int dm_check_devices(struct unit_test_state *uts, int num_devices)
163 * Now check that the ping adds are what we expect. This is using the
164 * ping-add property in each node.
166 for (i = 0; i < num_devices; i++) {
169 ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
173 * Get the 'ping-expect' property, which tells us what the
174 * ping add should be. We don't use the platdata because we
175 * want to test the code that sets that up
176 * (testfdt_drv_probe()).
178 base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
180 debug("dev=%d, base=%d: %s\n", i, base,
181 fdt_get_name(gd->fdt_blob, dev_of_offset(dev), NULL));
183 ut_assert(!dm_check_operations(uts, dev, base,
190 /* Test that FDT-based binding works correctly */
191 static int dm_test_fdt(struct unit_test_state *uts)
193 const int num_devices = 8;
199 ret = dm_scan_fdt(gd->fdt_blob, false);
202 ret = uclass_get(UCLASS_TEST_FDT, &uc);
205 /* These are num_devices compatible root-level device tree nodes */
206 ut_asserteq(num_devices, list_count_items(&uc->dev_head));
208 /* Each should have platform data but no private data */
209 for (i = 0; i < num_devices; i++) {
210 ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
212 ut_assert(!dev_get_priv(dev));
213 ut_assert(dev->platdata);
216 ut_assertok(dm_check_devices(uts, num_devices));
220 DM_TEST(dm_test_fdt, 0);
222 static int dm_test_alias_highest_id(struct unit_test_state *uts)
226 ret = dev_read_alias_highest_id("eth");
229 ret = dev_read_alias_highest_id("gpio");
232 ret = dev_read_alias_highest_id("pci");
235 ret = dev_read_alias_highest_id("i2c");
238 ret = dev_read_alias_highest_id("deadbeef");
239 ut_asserteq(-1, ret);
243 DM_TEST(dm_test_alias_highest_id, 0);
245 static int dm_test_fdt_pre_reloc(struct unit_test_state *uts)
250 ret = dm_scan_fdt(gd->fdt_blob, true);
253 ret = uclass_get(UCLASS_TEST_FDT, &uc);
257 * These are 2 pre-reloc devices:
258 * one with "u-boot,dm-pre-reloc" property (a-test node), and the other
259 * one whose driver marked with DM_FLAG_PRE_RELOC flag (h-test node).
261 ut_asserteq(2, list_count_items(&uc->dev_head));
265 DM_TEST(dm_test_fdt_pre_reloc, 0);
267 /* Test that sequence numbers are allocated properly */
268 static int dm_test_fdt_uclass_seq(struct unit_test_state *uts)
272 /* A few basic santiy tests */
273 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, true, &dev));
274 ut_asserteq_str("b-test", dev->name);
276 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, true, &dev));
277 ut_asserteq_str("a-test", dev->name);
279 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 5,
281 ut_asserteq_ptr(NULL, dev);
284 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 6, &dev));
285 ut_asserteq_str("e-test", dev->name);
287 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7,
291 * Note that c-test nodes are not probed since it is not a top-level
294 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
295 ut_asserteq_str("b-test", dev->name);
298 * d-test wants sequence number 3 also, but it can't have it because
299 * b-test gets it first.
301 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 2, &dev));
302 ut_asserteq_str("d-test", dev->name);
304 /* d-test actually gets 0 */
305 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 0, &dev));
306 ut_asserteq_str("d-test", dev->name);
308 /* initially no one wants seq 1 */
309 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 1,
311 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
312 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 4, &dev));
314 /* But now that it is probed, we can find it */
315 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, &dev));
316 ut_asserteq_str("f-test", dev->name);
320 DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
322 /* Test that we can find a device by device tree offset */
323 static int dm_test_fdt_offset(struct unit_test_state *uts)
325 const void *blob = gd->fdt_blob;
329 node = fdt_path_offset(blob, "/e-test");
331 ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node,
333 ut_asserteq_str("e-test", dev->name);
335 /* This node should not be bound */
336 node = fdt_path_offset(blob, "/junk");
338 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
341 /* This is not a top level node so should not be probed */
342 node = fdt_path_offset(blob, "/some-bus/c-test@5");
344 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
349 DM_TEST(dm_test_fdt_offset,
350 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
353 * Test various error conditions with uclass_first_device() and
354 * uclass_next_device()
356 static int dm_test_first_next_device(struct unit_test_state *uts)
358 struct dm_testprobe_pdata *pdata;
359 struct udevice *dev, *parent = NULL;
363 /* There should be 4 devices */
364 for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
366 ret = uclass_next_device(&dev)) {
368 parent = dev_get_parent(dev);
371 ut_asserteq(4, count);
373 /* Remove them and try again, with an error on the second one */
374 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
375 pdata = dev_get_platdata(dev);
376 pdata->probe_err = -ENOMEM;
377 device_remove(parent, DM_REMOVE_NORMAL);
378 ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
379 ut_asserteq(-ENOMEM, uclass_next_device(&dev));
380 ut_asserteq_ptr(dev, NULL);
382 /* Now an error on the first one */
383 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
384 pdata = dev_get_platdata(dev);
385 pdata->probe_err = -ENOENT;
386 device_remove(parent, DM_REMOVE_NORMAL);
387 ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
391 DM_TEST(dm_test_first_next_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
394 * check_devices() - Check return values and pointers
396 * This runs through a full sequence of uclass_first_device_check()...
397 * uclass_next_device_check() checking that the return values and devices
401 * @devlist: List of expected devices
402 * @mask: Indicates which devices should return an error. Device n should
403 * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
406 static int check_devices(struct unit_test_state *uts,
407 struct udevice *devlist[], int mask)
413 expected_ret = (mask & 1) ? -ENOENT : 0;
415 ut_asserteq(expected_ret,
416 uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
417 for (i = 0; i < 4; i++) {
418 ut_asserteq_ptr(devlist[i], dev);
419 expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
421 ut_asserteq(expected_ret, uclass_next_device_check(&dev));
423 ut_asserteq_ptr(NULL, dev);
428 /* Test uclass_first_device_check() and uclass_next_device_check() */
429 static int dm_test_first_next_ok_device(struct unit_test_state *uts)
431 struct dm_testprobe_pdata *pdata;
432 struct udevice *dev, *parent = NULL, *devlist[4];
436 /* There should be 4 devices */
438 for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
440 ret = uclass_next_device_check(&dev)) {
442 devlist[count++] = dev;
443 parent = dev_get_parent(dev);
445 ut_asserteq(4, count);
446 ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
447 ut_assertok(check_devices(uts, devlist, 0));
449 /* Remove them and try again, with an error on the second one */
450 pdata = dev_get_platdata(devlist[1]);
451 pdata->probe_err = -ENOENT - 1;
452 device_remove(parent, DM_REMOVE_NORMAL);
453 ut_assertok(check_devices(uts, devlist, 1 << 1));
455 /* Now an error on the first one */
456 pdata = dev_get_platdata(devlist[0]);
457 pdata->probe_err = -ENOENT - 0;
458 device_remove(parent, DM_REMOVE_NORMAL);
459 ut_assertok(check_devices(uts, devlist, 3 << 0));
461 /* Now errors on all */
462 pdata = dev_get_platdata(devlist[2]);
463 pdata->probe_err = -ENOENT - 2;
464 pdata = dev_get_platdata(devlist[3]);
465 pdata->probe_err = -ENOENT - 3;
466 device_remove(parent, DM_REMOVE_NORMAL);
467 ut_assertok(check_devices(uts, devlist, 0xf << 0));
471 DM_TEST(dm_test_first_next_ok_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
473 static const struct udevice_id fdt_dummy_ids[] = {
474 { .compatible = "denx,u-boot-fdt-dummy", },
478 UCLASS_DRIVER(fdt_dummy) = {
480 .id = UCLASS_TEST_DUMMY,
481 .flags = DM_UC_FLAG_SEQ_ALIAS,
484 U_BOOT_DRIVER(fdt_dummy_drv) = {
485 .name = "fdt_dummy_drv",
486 .of_match = fdt_dummy_ids,
487 .id = UCLASS_TEST_DUMMY,
490 static int dm_test_fdt_translation(struct unit_test_state *uts)
495 /* Some simple translations */
496 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
497 ut_asserteq_str("dev@0,0", dev->name);
498 ut_asserteq(0x8000, dev_read_addr(dev));
500 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
501 ut_asserteq_str("dev@1,100", dev->name);
502 ut_asserteq(0x9000, dev_read_addr(dev));
504 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, true, &dev));
505 ut_asserteq_str("dev@2,200", dev->name);
506 ut_asserteq(0xA000, dev_read_addr(dev));
508 /* No translation for busses with #size-cells == 0 */
509 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, true, &dev));
510 ut_asserteq_str("dev@42", dev->name);
511 ut_asserteq(0x42, dev_read_addr(dev));
513 /* dma address translation */
514 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
515 dma_addr[0] = cpu_to_be32(0);
516 dma_addr[1] = cpu_to_be32(0);
517 ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
519 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
520 dma_addr[0] = cpu_to_be32(1);
521 dma_addr[1] = cpu_to_be32(0x100);
522 ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
526 DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
528 static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
534 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
536 addr = devfdt_get_addr(dev);
537 ut_asserteq(0x8000, addr);
539 paddr = map_physmem(addr, 0, MAP_NOCACHE);
540 ut_assertnonnull(paddr);
541 ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
545 DM_TEST(dm_test_fdt_remap_addr_flat,
546 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
548 static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
555 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
557 addr = devfdt_get_addr_size_index(dev, 0, &size);
558 ut_asserteq(0x8000, addr);
559 ut_asserteq(0x1000, size);
561 paddr = map_physmem(addr, 0, MAP_NOCACHE);
562 ut_assertnonnull(paddr);
563 ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
567 DM_TEST(dm_test_fdt_remap_addr_index_flat,
568 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
570 static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
577 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
579 addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
580 ut_asserteq(0x8000, addr);
581 ut_asserteq(0x1000, size);
583 paddr = map_physmem(addr, 0, MAP_NOCACHE);
584 ut_assertnonnull(paddr);
585 ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
589 DM_TEST(dm_test_fdt_remap_addr_name_flat,
590 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
592 static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
598 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
600 addr = dev_read_addr(dev);
601 ut_asserteq(0x8000, addr);
603 paddr = map_physmem(addr, 0, MAP_NOCACHE);
604 ut_assertnonnull(paddr);
605 ut_asserteq_ptr(paddr, dev_remap_addr(dev));
609 DM_TEST(dm_test_fdt_remap_addr_live,
610 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
612 static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
619 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
621 addr = dev_read_addr_size_index(dev, 0, &size);
622 ut_asserteq(0x8000, addr);
623 ut_asserteq(0x1000, size);
625 paddr = map_physmem(addr, 0, MAP_NOCACHE);
626 ut_assertnonnull(paddr);
627 ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
631 DM_TEST(dm_test_fdt_remap_addr_index_live,
632 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
634 static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
641 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
643 addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
644 ut_asserteq(0x8000, addr);
645 ut_asserteq(0x1000, size);
647 paddr = map_physmem(addr, 0, MAP_NOCACHE);
648 ut_assertnonnull(paddr);
649 ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
653 DM_TEST(dm_test_fdt_remap_addr_name_live,
654 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
656 static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
661 if (!of_live_active()) {
662 printf("Live tree not active; ignore test\n");
666 /* Test enabling devices */
668 node = ofnode_path("/usb@2");
670 ut_assert(!of_device_is_available(ofnode_to_np(node)));
671 ofnode_set_enabled(node, true);
672 ut_assert(of_device_is_available(ofnode_to_np(node)));
674 device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
676 ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, true, &dev));
678 /* Test string property setting */
680 ut_assert(device_is_compatible(dev, "sandbox,usb"));
681 ofnode_write_string(node, "compatible", "gdsys,super-usb");
682 ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
683 ofnode_write_string(node, "compatible", "sandbox,usb");
684 ut_assert(device_is_compatible(dev, "sandbox,usb"));
686 /* Test setting generic properties */
688 /* Non-existent in DTB */
689 ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev));
690 /* reg = 0x42, size = 0x100 */
691 ut_assertok(ofnode_write_prop(node, "reg", 8,
692 "\x00\x00\x00\x42\x00\x00\x01\x00"));
693 ut_asserteq(0x42, dev_read_addr(dev));
695 /* Test disabling devices */
697 device_remove(dev, DM_REMOVE_NORMAL);
700 ut_assert(of_device_is_available(ofnode_to_np(node)));
701 ofnode_set_enabled(node, false);
702 ut_assert(!of_device_is_available(ofnode_to_np(node)));
706 DM_TEST(dm_test_fdt_livetree_writing, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
708 static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
712 if (!of_live_active()) {
713 printf("Live tree not active; ignore test\n");
717 node = ofnode_path("/usb@2");
719 /* Test enabling devices */
721 ut_assert(!of_device_is_available(ofnode_to_np(node)));
722 dev_enable_by_path("/usb@2");
723 ut_assert(of_device_is_available(ofnode_to_np(node)));
725 /* Test disabling devices */
727 ut_assert(of_device_is_available(ofnode_to_np(node)));
728 dev_disable_by_path("/usb@2");
729 ut_assert(!of_device_is_available(ofnode_to_np(node)));
733 DM_TEST(dm_test_fdt_disable_enable_by_path, DM_TESTF_SCAN_PDATA |
736 /* Test a few uclass phandle functions */
737 static int dm_test_fdt_phandle(struct unit_test_state *uts)
739 struct udevice *back, *dev, *dev2;
741 ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
742 ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
743 back, "missing", &dev));
744 ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
745 "power-supply", &dev));
746 ut_asserteq(0, device_active(dev));
747 ut_asserteq_str("ldo1", dev->name);
748 ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
749 "power-supply", &dev2));
750 ut_asserteq_ptr(dev, dev2);
754 DM_TEST(dm_test_fdt_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
756 /* Test device_find_first_child_by_uclass() */
757 static int dm_test_first_child(struct unit_test_state *uts)
759 struct udevice *i2c, *dev, *dev2;
761 ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
762 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
763 ut_asserteq_str("rtc@43", dev->name);
764 ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
765 ut_asserteq_ptr(dev, dev2);
766 ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
767 ut_asserteq_str("rtc@61", dev2->name);
769 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
771 ut_asserteq_str("eeprom@2c", dev->name);
772 ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
773 ut_asserteq_ptr(dev, dev2);
775 ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
776 UCLASS_VIDEO, &dev));
777 ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
781 DM_TEST(dm_test_first_child, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
783 /* Test integer functions in dm_read_...() */
784 static int dm_test_read_int(struct unit_test_state *uts)
791 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
792 ut_asserteq_str("a-test", dev->name);
793 ut_assertok(dev_read_u32(dev, "int-value", &val32));
794 ut_asserteq(1234, val32);
796 ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
797 ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
799 ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
800 ut_asserteq(1234, val32);
802 ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
803 ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
805 ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
806 ut_assertok(dev_read_s32(dev, "uint-value", &sval));
807 ut_asserteq(-1234, sval);
810 ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
811 ut_assertok(dev_read_u32u(dev, "uint-value", &val));
812 ut_asserteq(-1234, val);
816 DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);