1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2020 Sean Anderson <seanga2@gmail.com>
4 */
5
6#include <dm.h>
7#include <dm/test.h>
8#include <dm/device-internal.h>
9#include <test/ut.h>
10#include <asm/clk.h>
11#include <asm/power-domain.h>
12
13/* These must match the ids in the device tree */
14#define TEST_CLOCK_ID 4
15#define TEST_POWER_ID 1
16
17static int dm_test_simple_pm_bus(struct unit_test_state *uts)
18{
19	struct udevice *power;
20	struct udevice *clock;
21	struct udevice *bus;
22
23	ut_assertok(uclass_get_device_by_name(UCLASS_POWER_DOMAIN,
24					      "power-domain", &power));
25	ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
26					      &clock));
27	ut_asserteq(0, sandbox_power_domain_query(power, TEST_POWER_ID));
28	ut_asserteq(0, sandbox_clk_query_enable(clock, TEST_CLOCK_ID));
29
30	ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS, "pm-bus-test",
31					      &bus));
32	ut_asserteq(1, sandbox_power_domain_query(power, TEST_POWER_ID));
33	ut_asserteq(1, sandbox_clk_query_enable(clock, TEST_CLOCK_ID));
34
35	ut_assertok(device_remove(bus, DM_REMOVE_NORMAL));
36	/* must re-probe since device_remove also removes the power domain */
37	ut_assertok(uclass_get_device_by_name(UCLASS_POWER_DOMAIN,
38					      "power-domain", &power));
39	ut_asserteq(0, sandbox_power_domain_query(power, TEST_POWER_ID));
40	ut_asserteq(0, sandbox_clk_query_enable(clock, TEST_CLOCK_ID));
41
42	return 0;
43}
44DM_TEST(dm_test_simple_pm_bus, UT_TESTF_SCAN_FDT);
45