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u-boot/test/dm/regulator.c
Joseph Chen 11406b8f7e dm: regulator: support regulator more state 
support parse regulator standard property:
regulator-off-in-suspend;
regulator-init-microvolt;
regulator-suspend-microvolt:
 regulator_get_suspend_enable
 regulator_set_suspend_enable
 regulator_get_suspend_value
 regulator_set_suspend_value

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2019-11-10 20:31:09 +08:00

403 lines
11 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0+
/*
* Tests for the driver model regulator API
*
* Copyright (c) 2015 Samsung Electronics
* Przemyslaw Marczak <p.marczak@samsung.com>
*/
#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/regulator.h>
#include <power/sandbox_pmic.h>
#include <test/ut.h>
enum {
BUCK1,
BUCK2,
BUCK3,
LDO1,
LDO2,
OUTPUT_COUNT,
};
enum {
DEVNAME = 0,
PLATNAME,
OUTPUT_NAME_COUNT,
};
static const char *regulator_names[OUTPUT_COUNT][OUTPUT_NAME_COUNT] = {
/* devname, platname */
{ SANDBOX_BUCK1_DEVNAME, SANDBOX_BUCK1_PLATNAME },
{ SANDBOX_BUCK2_DEVNAME, SANDBOX_BUCK2_PLATNAME },
{ SANDBOX_BUCK3_DEVNAME, SANDBOX_BUCK3_PLATNAME },
{ SANDBOX_LDO1_DEVNAME, SANDBOX_LDO1_PLATNAME},
{ SANDBOX_LDO2_DEVNAME, SANDBOX_LDO2_PLATNAME},
};
/* Test regulator get method */
static int dm_test_power_regulator_get(struct unit_test_state *uts)
{
struct dm_regulator_uclass_platdata *uc_pdata;
struct udevice *dev_by_devname;
struct udevice *dev_by_platname;
const char *devname;
const char *platname;
int i;
for (i = 0; i < OUTPUT_COUNT; i++) {
/*
* Do the test for each regulator's devname and platname,
* which are related to a single device.
*/
devname = regulator_names[i][DEVNAME];
platname = regulator_names[i][PLATNAME];
/*
* Check, that regulator_get_by_devname() function, returns
* a device with the name equal to the requested one.
*/
ut_assertok(regulator_get_by_devname(devname, &dev_by_devname));
ut_asserteq_str(devname, dev_by_devname->name);
/*
* Check, that regulator_get_by_platname() function, returns
* a device with the name equal to the requested one.
*/
ut_assertok(regulator_get_by_platname(platname, &dev_by_platname));
uc_pdata = dev_get_uclass_platdata(dev_by_platname);
ut_assert(uc_pdata);
ut_asserteq_str(platname, uc_pdata->name);
/*
* Check, that the pointers returned by both get functions,
* points to the same regulator device.
*/
ut_asserteq_ptr(dev_by_devname, dev_by_platname);
}
return 0;
}
DM_TEST(dm_test_power_regulator_get, DM_TESTF_SCAN_FDT);
/* Test regulator set and get Voltage method */
static int dm_test_power_regulator_set_get_voltage(struct unit_test_state *uts)
{
struct dm_regulator_uclass_platdata *uc_pdata;
struct udevice *dev;
const char *platname;
int val_set, val_get;
/* Set and get Voltage of BUCK1 - set to 'min' constraint */
platname = regulator_names[BUCK1][PLATNAME];
ut_assertok(regulator_get_by_platname(platname, &dev));
uc_pdata = dev_get_uclass_platdata(dev);
ut_assert(uc_pdata);
val_set = uc_pdata->min_uV;
ut_assertok(regulator_set_value(dev, val_set));
val_get = regulator_get_value(dev);
ut_assert(val_get >= 0);
ut_asserteq(val_set, val_get);
return 0;
}
DM_TEST(dm_test_power_regulator_set_get_voltage, DM_TESTF_SCAN_FDT);
/* Test regulator set and get Current method */
static int dm_test_power_regulator_set_get_current(struct unit_test_state *uts)
{
struct dm_regulator_uclass_platdata *uc_pdata;
struct udevice *dev;
const char *platname;
int val_set, val_get;
/* Set and get the Current of LDO1 - set to 'min' constraint */
platname = regulator_names[LDO1][PLATNAME];
ut_assertok(regulator_get_by_platname(platname, &dev));
uc_pdata = dev_get_uclass_platdata(dev);
ut_assert(uc_pdata);
val_set = uc_pdata->min_uA;
ut_assertok(regulator_set_current(dev, val_set));
val_get = regulator_get_current(dev);
ut_assert(val_get >= 0);
ut_asserteq(val_set, val_get);
/* Check LDO2 current limit constraints - should be -ENODATA */
platname = regulator_names[LDO2][PLATNAME];
ut_assertok(regulator_get_by_platname(platname, &dev));
uc_pdata = dev_get_uclass_platdata(dev);
ut_assert(uc_pdata);
ut_asserteq(-ENODATA, uc_pdata->min_uA);
ut_asserteq(-ENODATA, uc_pdata->max_uA);
/* Try set the Current of LDO2 - should return -ENOSYS */
ut_asserteq(-ENOSYS, regulator_set_current(dev, 0));
return 0;
}
DM_TEST(dm_test_power_regulator_set_get_current, DM_TESTF_SCAN_FDT);
/* Test regulator set and get Enable method */
static int dm_test_power_regulator_set_get_enable(struct unit_test_state *uts)
{
const char *platname;
struct udevice *dev;
bool val_set = true;
/* Set the Enable of LDO1 - default is disabled */
platname = regulator_names[LDO1][PLATNAME];
ut_assertok(regulator_get_by_platname(platname, &dev));
ut_assertok(regulator_set_enable(dev, val_set));
/* Get the Enable state of LDO1 and compare it with the requested one */
ut_asserteq(regulator_get_enable(dev), val_set);
return 0;
}
DM_TEST(dm_test_power_regulator_set_get_enable, DM_TESTF_SCAN_FDT);
/* Test regulator set and get enable if allowed method */
static
int dm_test_power_regulator_set_enable_if_allowed(struct unit_test_state *uts)
{
const char *platname;
struct udevice *dev, *dev_autoset;
bool val_set = false;
/* Get BUCK1 - always on regulator */
platname = regulator_names[BUCK1][PLATNAME];
ut_assertok(regulator_autoset_by_name(platname, &dev_autoset));
ut_assertok(regulator_get_by_platname(platname, &dev));
/* Try disabling always-on regulator */
ut_assertok(regulator_set_enable_if_allowed(dev, val_set));
ut_asserteq(regulator_get_enable(dev), !val_set);
return 0;
}
DM_TEST(dm_test_power_regulator_set_enable_if_allowed, DM_TESTF_SCAN_FDT);
/* Test regulator set and get mode method */
static int dm_test_power_regulator_set_get_mode(struct unit_test_state *uts)
{
const char *platname;
struct udevice *dev;
int val_set = LDO_OM_SLEEP;
/* Set the mode id to LDO_OM_SLEEP of LDO1 - default is LDO_OM_OFF */
platname = regulator_names[LDO1][PLATNAME];
ut_assertok(regulator_get_by_platname(platname, &dev));
ut_assertok(regulator_set_mode(dev, val_set));
/* Get the mode id of LDO1 and compare it with the requested one */
ut_asserteq(regulator_get_mode(dev), val_set);
return 0;
}
DM_TEST(dm_test_power_regulator_set_get_mode, DM_TESTF_SCAN_FDT);
/* Test regulator set and get suspend Voltage method */
static int dm_test_power_regulator_set_get_suspend_voltage(struct unit_test_state *uts)
{
struct dm_regulator_uclass_platdata *uc_pdata;
const struct dm_regulator_ops *ops;
struct udevice *dev;
const char *platname;
int val_set, val_get;
/* Set and get Voltage of BUCK1 - set to 'min' constraint */
platname = regulator_names[BUCK1][PLATNAME];
ut_assertok(regulator_get_by_platname(platname, &dev));
uc_pdata = dev_get_uclass_platdata(dev);
ut_assert(uc_pdata);
ops = dev_get_driver_ops(dev);
if (ops->set_suspend_value && ops->get_suspend_value) {
val_set = uc_pdata->suspend_uV;
ut_assertok(regulator_set_suspend_value(dev, val_set));
val_get = regulator_get_suspend_value(dev);
ut_assert(val_get >= 0);
ut_asserteq(val_set, val_get);
}
return 0;
}
DM_TEST(dm_test_power_regulator_set_get_suspend_voltage, DM_TESTF_SCAN_FDT);
/* Test regulator set and get suspend Enable method */
static int dm_test_power_regulator_set_get_suspend_enable(struct unit_test_state *uts)
{
const struct dm_regulator_ops *ops;
const char *platname;
struct udevice *dev;
bool val_set = true;
/* Set the Enable of LDO1 - default is disabled */
platname = regulator_names[LDO1][PLATNAME];
ut_assertok(regulator_get_by_platname(platname, &dev));
ops = dev_get_driver_ops(dev);
if (ops->set_suspend_enable && ops->get_suspend_enable) {
ut_assertok(regulator_set_suspend_enable(dev, val_set));
/*
* Get the Enable state of LDO1 and
* compare it with the requested one
*/
ut_asserteq(regulator_get_suspend_enable(dev), val_set);
}
return 0;
}
DM_TEST(dm_test_power_regulator_set_get_suspend_enable, DM_TESTF_SCAN_FDT);
/* Test regulator autoset method */
static int dm_test_power_regulator_autoset(struct unit_test_state *uts)
{
const char *platname;
struct udevice *dev, *dev_autoset;
/*
* Test the BUCK1 with fdt properties
* - min-microvolt = max-microvolt = 1200000
* - min-microamp = max-microamp = 200000
* - always-on = set
* - boot-on = not set
* Expected output state: uV=1200000; uA=200000; output enabled
*/
platname = regulator_names[BUCK1][PLATNAME];
ut_assertok(regulator_autoset_by_name(platname, &dev_autoset));
/* Check, that the returned device is proper */
ut_assertok(regulator_get_by_platname(platname, &dev));
ut_asserteq_ptr(dev, dev_autoset);
/* Check the setup after autoset */
ut_asserteq(regulator_get_value(dev),
SANDBOX_BUCK1_AUTOSET_EXPECTED_UV);
ut_asserteq(regulator_get_current(dev),
SANDBOX_BUCK1_AUTOSET_EXPECTED_UA);
ut_asserteq(regulator_get_enable(dev),
SANDBOX_BUCK1_AUTOSET_EXPECTED_ENABLE);
return 0;
}
DM_TEST(dm_test_power_regulator_autoset, DM_TESTF_SCAN_FDT);
/*
* Struct setting: to keep the expected output settings.
* @voltage: Voltage value [uV]
* @current: Current value [uA]
* @enable: output enable state: true/false
*/
struct setting {
int voltage;
int current;
bool enable;
};
/*
* platname_list: an array of regulator platform names.
* For testing regulator_list_autoset() for outputs:
* - LDO1
* - LDO2
*/
static const char *platname_list[] = {
SANDBOX_LDO1_PLATNAME,
SANDBOX_LDO2_PLATNAME,
NULL,
};
/*
* expected_setting_list: an array of regulator output setting, expected after
* call of the regulator_list_autoset() for the "platname_list" array.
* For testing results of regulator_list_autoset() for outputs:
* - LDO1
* - LDO2
* The settings are defined in: include/power/sandbox_pmic.h
*/
static const struct setting expected_setting_list[] = {
[0] = { /* LDO1 */
.voltage = SANDBOX_LDO1_AUTOSET_EXPECTED_UV,
.current = SANDBOX_LDO1_AUTOSET_EXPECTED_UA,
.enable = SANDBOX_LDO1_AUTOSET_EXPECTED_ENABLE,
},
[1] = { /* LDO2 */
.voltage = SANDBOX_LDO2_AUTOSET_EXPECTED_UV,
.current = SANDBOX_LDO2_AUTOSET_EXPECTED_UA,
.enable = SANDBOX_LDO2_AUTOSET_EXPECTED_ENABLE,
},
};
static int list_count = ARRAY_SIZE(expected_setting_list);
/* Test regulator list autoset method */
static int dm_test_power_regulator_autoset_list(struct unit_test_state *uts)
{
struct udevice *dev_list[2], *dev;
int i;
/*
* Test the settings of the regulator list:
* LDO1 with fdt properties:
* - min-microvolt = max-microvolt = 1800000
* - min-microamp = max-microamp = 100000
* - always-on = not set
* - boot-on = set
* Expected output state: uV=1800000; uA=100000; output enabled
*
* LDO2 with fdt properties:
* - min-microvolt = max-microvolt = 3300000
* - always-on = not set
* - boot-on = not set
* Expected output state: uV=300000(default); output disabled(default)
* The expected settings are defined in: include/power/sandbox_pmic.h.
*/
ut_assertok(regulator_list_autoset(platname_list, dev_list, false));
for (i = 0; i < list_count; i++) {
/* Check, that the returned device is non-NULL */
ut_assert(dev_list[i]);
/* Check, that the returned device is proper */
ut_assertok(regulator_get_by_platname(platname_list[i], &dev));
ut_asserteq_ptr(dev_list[i], dev);
/* Check, that regulator output Voltage value is as expected */
ut_asserteq(regulator_get_value(dev_list[i]),
expected_setting_list[i].voltage);
/* Check, that regulator output Current value is as expected */
ut_asserteq(regulator_get_current(dev_list[i]),
expected_setting_list[i].current);
/* Check, that regulator output Enable state is as expected */
ut_asserteq(regulator_get_enable(dev_list[i]),
expected_setting_list[i].enable);
}
return 0;
}
DM_TEST(dm_test_power_regulator_autoset_list, DM_TESTF_SCAN_FDT);
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