+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2013 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <dm/test.h>
#include <dm/root.h>
-#include <dm/ut.h>
+#include <dm/device-internal.h>
#include <dm/uclass-internal.h>
#include <dm/util.h>
+#include <dm/lists.h>
+#include <dm/of_access.h>
+#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
{
struct dm_test_pdata *pdata = dev_get_platdata(dev);
- pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
"ping-add", -1);
- pdata->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset,
+ pdata->base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
"ping-expect");
return 0;
priv->ping_total += DM_TEST_START_TOTAL;
+ /*
+ * If this device is on a bus, the uclass_flag will be set before
+ * calling this function. In the meantime the uclass_postp is
+ * initlized to a value -1. These are used respectively by
+ * dm_test_bus_child_pre_probe_uclass() and
+ * dm_test_bus_child_post_probe_uclass().
+ */
+ priv->uclass_total += priv->uclass_flag;
+ priv->uclass_postp = -1;
+
return 0;
}
.platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
};
+static const struct udevice_id testfdt1_ids[] = {
+ {
+ .compatible = "denx,u-boot-fdt-test1",
+ .data = DM_TEST_TYPE_FIRST },
+ { }
+};
+
+U_BOOT_DRIVER(testfdt1_drv) = {
+ .name = "testfdt1_drv",
+ .of_match = testfdt1_ids,
+ .id = UCLASS_TEST_FDT,
+ .ofdata_to_platdata = testfdt_ofdata_to_platdata,
+ .probe = testfdt_drv_probe,
+ .ops = &test_ops,
+ .priv_auto_alloc_size = sizeof(struct dm_test_priv),
+ .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
+ .flags = DM_FLAG_PRE_RELOC,
+};
+
/* From here is the testfdt uclass code */
int testfdt_ping(struct udevice *dev, int pingval, int *pingret)
{
UCLASS_DRIVER(testfdt) = {
.name = "testfdt",
.id = UCLASS_TEST_FDT,
+ .flags = DM_UC_FLAG_SEQ_ALIAS,
};
-int dm_check_devices(struct dm_test_state *dms, int num_devices)
+struct dm_testprobe_pdata {
+ int probe_err;
+};
+
+static int testprobe_drv_probe(struct udevice *dev)
+{
+ struct dm_testprobe_pdata *pdata = dev_get_platdata(dev);
+
+ return pdata->probe_err;
+}
+
+static const struct udevice_id testprobe_ids[] = {
+ { .compatible = "denx,u-boot-probe-test" },
+ { }
+};
+
+U_BOOT_DRIVER(testprobe_drv) = {
+ .name = "testprobe_drv",
+ .of_match = testprobe_ids,
+ .id = UCLASS_TEST_PROBE,
+ .probe = testprobe_drv_probe,
+ .platdata_auto_alloc_size = sizeof(struct dm_testprobe_pdata),
+};
+
+UCLASS_DRIVER(testprobe) = {
+ .name = "testprobe",
+ .id = UCLASS_TEST_PROBE,
+ .flags = DM_UC_FLAG_SEQ_ALIAS,
+};
+
+int dm_check_devices(struct unit_test_state *uts, int num_devices)
{
struct udevice *dev;
int ret;
* want to test the code that sets that up
* (testfdt_drv_probe()).
*/
- base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset,
+ base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
"ping-expect");
debug("dev=%d, base=%d: %s\n", i, base,
- fdt_get_name(gd->fdt_blob, dev->of_offset, NULL));
+ fdt_get_name(gd->fdt_blob, dev_of_offset(dev), NULL));
- ut_assert(!dm_check_operations(dms, dev, base,
+ ut_assert(!dm_check_operations(uts, dev, base,
dev_get_priv(dev)));
}
}
/* Test that FDT-based binding works correctly */
-static int dm_test_fdt(struct dm_test_state *dms)
+static int dm_test_fdt(struct unit_test_state *uts)
{
- const int num_devices = 4;
+ const int num_devices = 8;
struct udevice *dev;
struct uclass *uc;
int ret;
/* These are num_devices compatible root-level device tree nodes */
ut_asserteq(num_devices, list_count_items(&uc->dev_head));
- /* Each should have no platdata / priv */
+ /* Each should have platform data but no private data */
for (i = 0; i < num_devices; i++) {
ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
ut_assert(!ret);
ut_assert(!dev_get_priv(dev));
- ut_assert(!dev->platdata);
+ ut_assert(dev->platdata);
}
- ut_assertok(dm_check_devices(dms, num_devices));
+ ut_assertok(dm_check_devices(uts, num_devices));
return 0;
}
DM_TEST(dm_test_fdt, 0);
-static int dm_test_fdt_pre_reloc(struct dm_test_state *dms)
+static int dm_test_alias_highest_id(struct unit_test_state *uts)
+{
+ int ret;
+
+ ret = dev_read_alias_highest_id("eth");
+ ut_asserteq(5, ret);
+
+ ret = dev_read_alias_highest_id("gpio");
+ ut_asserteq(2, ret);
+
+ ret = dev_read_alias_highest_id("pci");
+ ut_asserteq(2, ret);
+
+ ret = dev_read_alias_highest_id("i2c");
+ ut_asserteq(0, ret);
+
+ ret = dev_read_alias_highest_id("deadbeef");
+ ut_asserteq(-1, ret);
+
+ return 0;
+}
+DM_TEST(dm_test_alias_highest_id, 0);
+
+static int dm_test_fdt_pre_reloc(struct unit_test_state *uts)
{
struct uclass *uc;
int ret;
ret = uclass_get(UCLASS_TEST_FDT, &uc);
ut_assert(!ret);
- /* These is only one pre-reloc device */
- ut_asserteq(1, list_count_items(&uc->dev_head));
+ /*
+ * These are 2 pre-reloc devices:
+ * one with "u-boot,dm-pre-reloc" property (a-test node), and the other
+ * one whose driver marked with DM_FLAG_PRE_RELOC flag (h-test node).
+ */
+ ut_asserteq(2, list_count_items(&uc->dev_head));
return 0;
}
DM_TEST(dm_test_fdt_pre_reloc, 0);
/* Test that sequence numbers are allocated properly */
-static int dm_test_fdt_uclass_seq(struct dm_test_state *dms)
+static int dm_test_fdt_uclass_seq(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, true, &dev));
ut_asserteq_str("b-test", dev->name);
- ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 0, true, &dev));
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, true, &dev));
ut_asserteq_str("a-test", dev->name);
ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 5,
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 1,
&dev));
ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
- ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 1, &dev));
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 4, &dev));
/* But now that it is probed, we can find it */
ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, &dev));
- ut_asserteq_str("a-test", dev->name);
+ ut_asserteq_str("f-test", dev->name);
return 0;
}
DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test that we can find a device by device tree offset */
-static int dm_test_fdt_offset(struct dm_test_state *dms)
+static int dm_test_fdt_offset(struct unit_test_state *uts)
{
const void *blob = gd->fdt_blob;
struct udevice *dev;
return 0;
}
-DM_TEST(dm_test_fdt_offset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_fdt_offset,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
+/**
+ * Test various error conditions with uclass_first_device() and
+ * uclass_next_device()
+ */
+static int dm_test_first_next_device(struct unit_test_state *uts)
+{
+ struct dm_testprobe_pdata *pdata;
+ struct udevice *dev, *parent = NULL;
+ int count;
+ int ret;
+
+ /* There should be 4 devices */
+ for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
+ dev;
+ ret = uclass_next_device(&dev)) {
+ count++;
+ parent = dev_get_parent(dev);
+ }
+ ut_assertok(ret);
+ ut_asserteq(4, count);
+
+ /* Remove them and try again, with an error on the second one */
+ ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
+ pdata = dev_get_platdata(dev);
+ pdata->probe_err = -ENOMEM;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
+ ut_asserteq(-ENOMEM, uclass_next_device(&dev));
+ ut_asserteq_ptr(dev, NULL);
+
+ /* Now an error on the first one */
+ ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
+ pdata = dev_get_platdata(dev);
+ pdata->probe_err = -ENOENT;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
+
+ return 0;
+}
+DM_TEST(dm_test_first_next_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/**
+ * check_devices() - Check return values and pointers
+ *
+ * This runs through a full sequence of uclass_first_device_check()...
+ * uclass_next_device_check() checking that the return values and devices
+ * are correct.
+ *
+ * @uts: Test state
+ * @devlist: List of expected devices
+ * @mask: Indicates which devices should return an error. Device n should
+ * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
+ * bit n is clear.
+ */
+static int check_devices(struct unit_test_state *uts,
+ struct udevice *devlist[], int mask)
+{
+ int expected_ret;
+ struct udevice *dev;
+ int i;
+
+ expected_ret = (mask & 1) ? -ENOENT : 0;
+ mask >>= 1;
+ ut_asserteq(expected_ret,
+ uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
+ for (i = 0; i < 4; i++) {
+ ut_asserteq_ptr(devlist[i], dev);
+ expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
+ mask >>= 1;
+ ut_asserteq(expected_ret, uclass_next_device_check(&dev));
+ }
+ ut_asserteq_ptr(NULL, dev);
+
+ return 0;
+}
+
+/* Test uclass_first_device_check() and uclass_next_device_check() */
+static int dm_test_first_next_ok_device(struct unit_test_state *uts)
+{
+ struct dm_testprobe_pdata *pdata;
+ struct udevice *dev, *parent = NULL, *devlist[4];
+ int count;
+ int ret;
+
+ /* There should be 4 devices */
+ count = 0;
+ for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
+ dev;
+ ret = uclass_next_device_check(&dev)) {
+ ut_assertok(ret);
+ devlist[count++] = dev;
+ parent = dev_get_parent(dev);
+ }
+ ut_asserteq(4, count);
+ ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
+ ut_assertok(check_devices(uts, devlist, 0));
+
+ /* Remove them and try again, with an error on the second one */
+ pdata = dev_get_platdata(devlist[1]);
+ pdata->probe_err = -ENOENT - 1;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(check_devices(uts, devlist, 1 << 1));
+
+ /* Now an error on the first one */
+ pdata = dev_get_platdata(devlist[0]);
+ pdata->probe_err = -ENOENT - 0;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(check_devices(uts, devlist, 3 << 0));
+
+ /* Now errors on all */
+ pdata = dev_get_platdata(devlist[2]);
+ pdata->probe_err = -ENOENT - 2;
+ pdata = dev_get_platdata(devlist[3]);
+ pdata->probe_err = -ENOENT - 3;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(check_devices(uts, devlist, 0xf << 0));
+
+ return 0;
+}
+DM_TEST(dm_test_first_next_ok_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static const struct udevice_id fdt_dummy_ids[] = {
+ { .compatible = "denx,u-boot-fdt-dummy", },
+ { }
+};
+
+UCLASS_DRIVER(fdt_dummy) = {
+ .name = "fdt-dummy",
+ .id = UCLASS_TEST_DUMMY,
+ .flags = DM_UC_FLAG_SEQ_ALIAS,
+};
+
+U_BOOT_DRIVER(fdt_dummy_drv) = {
+ .name = "fdt_dummy_drv",
+ .of_match = fdt_dummy_ids,
+ .id = UCLASS_TEST_DUMMY,
+};
+
+static int dm_test_fdt_translation(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+
+ /* Some simple translations */
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+ ut_asserteq_str("dev@0,0", dev->name);
+ ut_asserteq(0x8000, dev_read_addr(dev));
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
+ ut_asserteq_str("dev@1,100", dev->name);
+ ut_asserteq(0x9000, dev_read_addr(dev));
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, true, &dev));
+ ut_asserteq_str("dev@2,200", dev->name);
+ ut_asserteq(0xA000, dev_read_addr(dev));
+
+ /* No translation for busses with #size-cells == 0 */
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, true, &dev));
+ ut_asserteq_str("dev@42", dev->name);
+ ut_asserteq(0x42, dev_read_addr(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = devfdt_get_addr(dev);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_flat,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
+static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = devfdt_get_addr_index(dev, 0);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_index_flat,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
+static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = devfdt_get_addr_name(dev, "sandbox-dummy-0");
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_name_flat,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
+static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = dev_read_addr(dev);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, dev_remap_addr(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_live,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = dev_read_addr_index(dev, 0);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_index_live,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = dev_read_addr_name(dev, "sandbox-dummy-0");
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_name_live,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ ofnode node;
+
+ if (!of_live_active()) {
+ printf("Live tree not active; ignore test\n");
+ return 0;
+ }
+
+ /* Test enabling devices */
+
+ node = ofnode_path("/usb@2");
+
+ ut_assert(!of_device_is_available(ofnode_to_np(node)));
+ ofnode_set_enabled(node, true);
+ ut_assert(of_device_is_available(ofnode_to_np(node)));
+
+ device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
+ &dev);
+ ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, true, &dev));
+
+ /* Test string property setting */
+
+ ut_assert(device_is_compatible(dev, "sandbox,usb"));
+ ofnode_write_string(node, "compatible", "gdsys,super-usb");
+ ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
+ ofnode_write_string(node, "compatible", "sandbox,usb");
+ ut_assert(device_is_compatible(dev, "sandbox,usb"));
+
+ /* Test setting generic properties */
+
+ /* Non-existent in DTB */
+ ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev));
+ /* reg = 0x42, size = 0x100 */
+ ut_assertok(ofnode_write_prop(node, "reg", 8,
+ "\x00\x00\x00\x42\x00\x00\x01\x00"));
+ ut_asserteq(0x42, dev_read_addr(dev));
+
+ /* Test disabling devices */
+
+ device_remove(dev, DM_REMOVE_NORMAL);
+ device_unbind(dev);
+
+ ut_assert(of_device_is_available(ofnode_to_np(node)));
+ ofnode_set_enabled(node, false);
+ ut_assert(!of_device_is_available(ofnode_to_np(node)));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_livetree_writing, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
+{
+ ofnode node;
+
+ if (!of_live_active()) {
+ printf("Live tree not active; ignore test\n");
+ return 0;
+ }
+
+ node = ofnode_path("/usb@2");
+
+ /* Test enabling devices */
+
+ ut_assert(!of_device_is_available(ofnode_to_np(node)));
+ dev_enable_by_path("/usb@2");
+ ut_assert(of_device_is_available(ofnode_to_np(node)));
+
+ /* Test disabling devices */
+
+ ut_assert(of_device_is_available(ofnode_to_np(node)));
+ dev_disable_by_path("/usb@2");
+ ut_assert(!of_device_is_available(ofnode_to_np(node)));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_disable_enable_by_path, DM_TESTF_SCAN_PDATA |
+ DM_TESTF_SCAN_FDT);
+
+/* Test a few uclass phandle functions */
+static int dm_test_fdt_phandle(struct unit_test_state *uts)
+{
+ struct udevice *back, *dev, *dev2;
+
+ ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
+ ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
+ back, "missing", &dev));
+ ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
+ "power-supply", &dev));
+ ut_asserteq(0, device_active(dev));
+ ut_asserteq_str("ldo1", dev->name);
+ ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
+ "power-supply", &dev2));
+ ut_asserteq_ptr(dev, dev2);
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test device_find_first_child_by_uclass() */
+static int dm_test_first_child(struct unit_test_state *uts)
+{
+ struct udevice *i2c, *dev, *dev2;
+
+ ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
+ ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
+ ut_asserteq_str("rtc@43", dev->name);
+ ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
+ ut_asserteq_ptr(dev, dev2);
+ ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
+ ut_asserteq_str("rtc@61", dev2->name);
+
+ ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
+ &dev));
+ ut_asserteq_str("eeprom@2c", dev->name);
+ ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
+ ut_asserteq_ptr(dev, dev2);
+
+ ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
+ UCLASS_VIDEO, &dev));
+ ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
+
+ return 0;
+}
+DM_TEST(dm_test_first_child, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test integer functions in dm_read_...() */
+static int dm_test_read_int(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ u32 val32;
+ s32 sval;
+ uint val;
+
+ ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
+ ut_asserteq_str("a-test", dev->name);
+ ut_assertok(dev_read_u32(dev, "int-value", &val32));
+ ut_asserteq(1234, val32);
+
+ ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
+ ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
+
+ ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
+ ut_asserteq(1234, val32);
+
+ ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
+ ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
+
+ ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
+ ut_assertok(dev_read_s32(dev, "uint-value", &sval));
+ ut_asserteq(-1234, sval);
+
+ val = 0;
+ ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
+ ut_assertok(dev_read_u32u(dev, "uint-value", &val));
+ ut_asserteq(-1234, val);
+
+ return 0;
+}
+DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);