2 * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <dm/device.h>
14 #include <power/pmic.h>
15 #include <spmi/spmi.h>
19 DECLARE_GLOBAL_DATA_PTR
;
21 /* Test if bus childs got probed propperly*/
22 static int dm_test_spmi_probe(struct unit_test_state
*uts
)
24 const char *name
= "spmi@0";
25 struct udevice
*bus
, *dev
;
27 ut_assertok(uclass_get_device(UCLASS_SPMI
, 0, &bus
));
30 ut_asserteq_str(name
, bus
->name
);
32 /* Check that it has some devices */
33 ut_asserteq(device_has_children(bus
), true);
35 ut_assertok(device_find_first_child(bus
, &dev
));
37 /* There should be at least one child */
38 ut_assertnonnull(dev
);
40 /* Check that only PMICs are connected to the bus */
42 ut_asserteq(device_get_uclass_id(dev
), UCLASS_PMIC
);
43 device_find_next_child(&dev
);
48 DM_TEST(dm_test_spmi_probe
, DM_TESTF_SCAN_FDT
);
50 /* Test if it's possible to read bus directly and indirectly */
51 static int dm_test_spmi_access(struct unit_test_state
*uts
)
53 const char *pmic_name
= "pm8916@0";
54 struct udevice
*bus
, *pmic
;
56 ut_assertok(uclass_get_device(UCLASS_SPMI
, 0, &bus
));
58 ut_assertok(device_get_child(bus
, 0, &pmic
));
60 /* Sanity check if it's proper PMIC */
61 ut_asserteq_str(pmic_name
, pmic
->name
);
63 /* Read PMIC ID reg using SPMI bus - it assumes it has slaveID == 0*/
64 ut_asserteq(spmi_reg_read(bus
, 0, 0xC0, 0x4), 0x10);
65 ut_asserteq(spmi_reg_read(bus
, 0, 0xC0, 0x5), 0x5);
67 /* Read ID reg via pmic interface */
68 ut_asserteq(pmic_reg_read(pmic
, 0xC004), 0x10);
69 ut_asserteq(pmic_reg_read(pmic
, 0xC005), 0x5);
73 DM_TEST(dm_test_spmi_access
, DM_TESTF_SCAN_FDT
);
76 /* Test if it's possible to access GPIO that should be in pmic */
77 static int dm_test_spmi_access_peripheral(struct unit_test_state
*uts
)
80 unsigned int offset
, gpio
;
84 /* Get second pin of PMIC GPIO */
85 ut_assertok(gpio_lookup_name("spmi1", &dev
, &offset
, &gpio
));
87 /* Check if PMIC is parent */
88 ut_asserteq(device_get_uclass_id(dev
->parent
), UCLASS_PMIC
);
90 /* This should be second gpio */
91 ut_asserteq(1, offset
);
93 name
= gpio_get_bank_info(dev
, &offset_count
);
96 ut_asserteq_str("spmi", name
);
98 ut_asserteq(4, offset_count
);
100 ut_assertok(gpio_request(gpio
, "testing"));
102 /* Try to set/clear gpio */
103 ut_assertok(gpio_direction_output(gpio
, 0));
104 ut_asserteq(gpio_get_value(gpio
), 0);
105 ut_assertok(gpio_direction_output(gpio
, 1));
106 ut_asserteq(gpio_get_value(gpio
), 1);
107 ut_assertok(gpio_direction_input(gpio
));
108 ut_asserteq(gpio_get_value(gpio
), 1);
110 ut_assertok(gpio_free(gpio
));
114 DM_TEST(dm_test_spmi_access_peripheral
, DM_TESTF_SCAN_FDT
);