u-boot/test/dm/pmic.c

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/*
* 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);