/* * Tests for the driver model pmic API * * Copyright (c) 2015 Samsung Electronics * Przemyslaw Marczak <p.marczak@samsung.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <errno.h> #include <dm.h> #include <fdtdec.h> #include <malloc.h> #include <dm/device-internal.h> #include <dm/root.h> #include <dm/util.h> #include <dm/test.h> #include <dm/uclass-internal.h> #include <power/pmic.h> #include <power/sandbox_pmic.h> #include <test/ut.h> DECLARE_GLOBAL_DATA_PTR; /* Test PMIC get method */ static int dm_test_power_pmic_get(struct unit_test_state *uts) { const char *name = "sandbox_pmic"; struct udevice *dev; ut_assertok(pmic_get(name, &dev)); ut_assertnonnull(dev); /* Check PMIC's name */ ut_asserteq_str(name, dev->name); return 0; } DM_TEST(dm_test_power_pmic_get, DM_TESTF_SCAN_FDT); /* Test PMIC I/O */ static int dm_test_power_pmic_io(struct unit_test_state *uts) { const char *name = "sandbox_pmic"; uint8_t out_buffer, in_buffer; struct udevice *dev; int reg_count, i; ut_assertok(pmic_get(name, &dev)); reg_count = pmic_reg_count(dev); ut_asserteq(reg_count, SANDBOX_PMIC_REG_COUNT); /* * Test PMIC I/O - write and read a loop counter. * usually we can't write to all PMIC's registers in the real hardware, * but we can to the sandbox pmic. */ for (i = 0; i < reg_count; i++) { out_buffer = i; ut_assertok(pmic_write(dev, i, &out_buffer, 1)); ut_assertok(pmic_read(dev, i, &in_buffer, 1)); ut_asserteq(out_buffer, in_buffer); } return 0; } DM_TEST(dm_test_power_pmic_io, DM_TESTF_SCAN_FDT);