test/dm/nop.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Test for the NOP uclass
   4  *
   5  * (C) Copyright 2019 - Texas Instruments Incorporated - http://www.ti.com/
   6  * Jean-Jacques Hiblot <jjhiblot@ti.com>
   7  */
   8
   9 #include <common.h>
  10 #include <dm.h>
  11 #include <dm/ofnode.h>
  12 #include <dm/lists.h>
  13 #include <dm/device.h>
  14 #include <dm/test.h>
  15 #include <misc.h>
  16 #include <test/ut.h>
  17
  18 static int noptest_bind(struct udevice *parent)
  19 {
  20         ofnode ofnode = dev_read_first_subnode(parent);
  21
  22         while (ofnode_valid(ofnode)) {
  23                 struct udevice *dev;
  24                 const char *bind_flag = ofnode_read_string(ofnode, "bind");
  25
  26                 if (bind_flag && (strcmp(bind_flag, "True") == 0))
  27                         lists_bind_fdt(parent, ofnode, &dev, false);
  28                 ofnode = dev_read_next_subnode(ofnode);
  29         }
  30
  31         return 0;
  32 }
  33
  34 static const struct udevice_id noptest1_ids[] = {
  35         {
  36                 .compatible = "sandbox,nop_sandbox1",
  37         },
  38         { }
  39 };
  40
  41 U_BOOT_DRIVER(noptest_drv1) = {
  42         .name   = "noptest1_drv",
  43         .of_match       = noptest1_ids,
  44         .id     = UCLASS_NOP,
  45         .bind = noptest_bind,
  46 };
  47
  48 static const struct udevice_id noptest2_ids[] = {
  49         {
  50                 .compatible = "sandbox,nop_sandbox2",
  51         },
  52         { }
  53 };
  54
  55 U_BOOT_DRIVER(noptest_drv2) = {
  56         .name   = "noptest2_drv",
  57         .of_match       = noptest2_ids,
  58         .id     = UCLASS_NOP,
  59 };
  60
  61 static int dm_test_nop(struct unit_test_state *uts)
  62 {
  63         struct udevice *dev;
  64
  65         ut_assertok(uclass_get_device_by_name(UCLASS_NOP, "nop-test_0", &dev));
  66         ut_assertok(uclass_get_device_by_name(UCLASS_NOP, "nop-test_1", &dev));
  67         ut_asserteq(-ENODEV,
  68                     uclass_get_device_by_name(UCLASS_NOP, "nop-test_2", &dev));
  69
  70         return 0;
  71 }
  72
  73 DM_TEST(dm_test_nop, DM_TESTF_FLAT_TREE | DM_TESTF_SCAN_FDT);