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https://github.com/brain-hackers/u-boot-brain
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61f5ddcb7a
Many SoCs allow power to be applied to or removed from portions of the SoC (power domains). This may be used to save power. This API provides the means to control such power management hardware. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* Copyright (c) 2016, NVIDIA CORPORATION.
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <common.h>
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#include <dm.h>
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#include <dm/test.h>
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#include <asm/power-domain.h>
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#include <test/ut.h>
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/* This must match the specifier for power-domains in the DT node */
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#define TEST_POWER_DOMAIN 2
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static int dm_test_power_domain(struct unit_test_state *uts)
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{
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struct udevice *dev_power_domain;
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struct udevice *dev_test;
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ut_assertok(uclass_get_device_by_name(UCLASS_POWER_DOMAIN,
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"power-domain",
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&dev_power_domain));
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ut_asserteq(0, sandbox_power_domain_query(dev_power_domain, 0));
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ut_asserteq(0, sandbox_power_domain_query(dev_power_domain,
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TEST_POWER_DOMAIN));
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ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "power-domain-test",
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&dev_test));
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ut_assertok(sandbox_power_domain_test_get(dev_test));
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ut_assertok(sandbox_power_domain_test_on(dev_test));
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ut_asserteq(0, sandbox_power_domain_query(dev_power_domain, 0));
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ut_asserteq(1, sandbox_power_domain_query(dev_power_domain,
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TEST_POWER_DOMAIN));
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ut_assertok(sandbox_power_domain_test_off(dev_test));
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ut_asserteq(0, sandbox_power_domain_query(dev_power_domain, 0));
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ut_asserteq(0, sandbox_power_domain_query(dev_power_domain,
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TEST_POWER_DOMAIN));
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ut_assertok(sandbox_power_domain_test_free(dev_test));
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return 0;
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}
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DM_TEST(dm_test_power_domain, DM_TESTF_SCAN_FDT);
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