diff options
| -rw-r--r-- | include/power/sandbox_pmic.h | 33 | ||||
| -rw-r--r-- | test/dm/Makefile | 2 | ||||
| -rw-r--r-- | test/dm/pmic.c | 69 | ||||
| -rw-r--r-- | test/dm/regulator.c | 325 |
4 files changed, 429 insertions, 0 deletions
diff --git a/include/power/sandbox_pmic.h b/include/power/sandbox_pmic.h index f317c3ae90..ae142921e5 100644 --- a/include/power/sandbox_pmic.h +++ b/include/power/sandbox_pmic.h @@ -102,4 +102,37 @@ enum { /* Operation mode id -> register value conversion */ #define OM2REG(x) (x) +/* Test data for: test/dm/power.c */ + +/* BUCK names */ +#define SANDBOX_BUCK1_DEVNAME "buck1" +#define SANDBOX_BUCK1_PLATNAME "SUPPLY_1.2V" +#define SANDBOX_BUCK2_DEVNAME "buck2" +#define SANDBOX_BUCK2_PLATNAME "SUPPLY_3.3V" +/* LDO names */ +#define SANDBOX_LDO1_DEVNAME "ldo1" +#define SANDBOX_LDO1_PLATNAME "VDD_EMMC_1.8V" +#define SANDBOX_LDO2_DEVNAME "ldo2" +#define SANDBOX_LDO2_PLATNAME "VDD_LCD_3.3V" + +/* + * Expected regulators setup after call of: + * - regulator_autoset() + * - regulator_list_autoset() + */ + +/* BUCK1: for testing regulator_autoset() */ +#define SANDBOX_BUCK1_AUTOSET_EXPECTED_UV 1200000 +#define SANDBOX_BUCK1_AUTOSET_EXPECTED_UA 200000 +#define SANDBOX_BUCK1_AUTOSET_EXPECTED_ENABLE true + +/* LDO1/2 for testing regulator_list_autoset() */ +#define SANDBOX_LDO1_AUTOSET_EXPECTED_UV 1800000 +#define SANDBOX_LDO1_AUTOSET_EXPECTED_UA 100000 +#define SANDBOX_LDO1_AUTOSET_EXPECTED_ENABLE true + +#define SANDBOX_LDO2_AUTOSET_EXPECTED_UV 3000000 +#define SANDBOX_LDO2_AUTOSET_EXPECTED_UA -ENOSYS +#define SANDBOX_LDO2_AUTOSET_EXPECTED_ENABLE false + #endif diff --git a/test/dm/Makefile b/test/dm/Makefile index a0cc2c6de5..c7087bbfba 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -25,4 +25,6 @@ obj-$(CONFIG_DM_RTC) += rtc.o obj-$(CONFIG_DM_SPI_FLASH) += sf.o obj-$(CONFIG_DM_SPI) += spi.o obj-$(CONFIG_DM_USB) += usb.o +obj-$(CONFIG_DM_PMIC) += pmic.o +obj-$(CONFIG_DM_REGULATOR) += regulator.o endif diff --git a/test/dm/pmic.c b/test/dm/pmic.c new file mode 100644 index 0000000000..e9c904c9f1 --- /dev/null +++ b/test/dm/pmic.c @@ -0,0 +1,69 @@ +/* + * 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/ut.h> +#include <dm/util.h> +#include <dm/test.h> +#include <dm/uclass-internal.h> +#include <power/pmic.h> +#include <power/sandbox_pmic.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Test PMIC get method */ +static int dm_test_power_pmic_get(struct dm_test_state *dms) +{ + 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 dm_test_state *dms) +{ + 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); diff --git a/test/dm/regulator.c b/test/dm/regulator.c new file mode 100644 index 0000000000..c4f14bdac5 --- /dev/null +++ b/test/dm/regulator.c @@ -0,0 +1,325 @@ +/* + * Tests for the driver model regulator 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/ut.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> + +DECLARE_GLOBAL_DATA_PTR; + +enum { + BUCK1, + BUCK2, + 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_LDO1_DEVNAME, SANDBOX_LDO1_PLATNAME}, + { SANDBOX_LDO2_DEVNAME, SANDBOX_LDO2_PLATNAME}, +}; + +/* Test regulator get method */ +static int dm_test_power_regulator_get(struct dm_test_state *dms) +{ + 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 dm_test_state *dms) +{ + 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 dm_test_state *dms) +{ + 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 dm_test_state *dms) +{ + 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 mode method */ +static int dm_test_power_regulator_set_get_mode(struct dm_test_state *dms) +{ + 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 autoset method */ +static int dm_test_power_regulator_autoset(struct dm_test_state *dms) +{ + 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(platname, &dev_autoset, false)); + + /* 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 dm_test_state *dms) +{ + 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); |
