1 // SPDX-License-Identifier: GPL-2.0+
10 #include <dm/device.h>
14 #include <power/pmic.h>
15 #include <spmi/spmi.h>
17 #include <test/test.h>
20 /* Test if bus childs got probed propperly*/
21 static int dm_test_spmi_probe(struct unit_test_state *uts)
23 const char *name = "spmi@0";
24 struct udevice *bus, *dev;
26 ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
29 ut_asserteq_str(name, bus->name);
31 /* Check that it has some devices */
32 ut_asserteq(device_has_children(bus), true);
34 ut_assertok(device_find_first_child(bus, &dev));
36 /* There should be at least one child */
37 ut_assertnonnull(dev);
39 /* Check that only PMICs are connected to the bus */
41 ut_asserteq(device_get_uclass_id(dev), UCLASS_PMIC);
42 device_find_next_child(&dev);
47 DM_TEST(dm_test_spmi_probe, UT_TESTF_SCAN_FDT);
49 /* Test if it's possible to read bus directly and indirectly */
50 static int dm_test_spmi_access(struct unit_test_state *uts)
52 const char *pmic_name = "pm8916@0";
53 struct udevice *bus, *pmic;
55 ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
57 ut_assertok(device_get_child(bus, 0, &pmic));
59 /* Sanity check if it's proper PMIC */
60 ut_asserteq_str(pmic_name, pmic->name);
62 /* Read PMIC ID reg using SPMI bus - it assumes it has slaveID == 0*/
63 ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x4), 0x10);
64 ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x5), 0x5);
66 /* Read ID reg via pmic interface */
67 ut_asserteq(pmic_reg_read(pmic, 0xC004), 0x10);
68 ut_asserteq(pmic_reg_read(pmic, 0xC005), 0x5);
72 DM_TEST(dm_test_spmi_access, UT_TESTF_SCAN_FDT);
75 /* Test if it's possible to access GPIO that should be in pmic */
76 static int dm_test_spmi_access_peripheral(struct unit_test_state *uts)
79 unsigned int offset, gpio;
83 /* Get second pin of PMIC GPIO */
84 ut_assertok(gpio_lookup_name("spmi1", &dev, &offset, &gpio));
86 /* Check if PMIC is parent */
87 ut_asserteq(device_get_uclass_id(dev->parent), UCLASS_PMIC);
89 /* This should be second gpio */
90 ut_asserteq(1, offset);
92 name = gpio_get_bank_info(dev, &offset_count);
95 ut_asserteq_str("spmi", name);
97 ut_asserteq(4, offset_count);
99 ut_assertok(gpio_request(gpio, "testing"));
101 /* Try to set/clear gpio */
102 ut_assertok(gpio_direction_output(gpio, 0));
103 ut_asserteq(gpio_get_value(gpio), 0);
104 ut_assertok(gpio_direction_output(gpio, 1));
105 ut_asserteq(gpio_get_value(gpio), 1);
106 ut_assertok(gpio_direction_input(gpio));
107 ut_asserteq(gpio_get_value(gpio), 1);
109 ut_assertok(gpio_free(gpio));
113 DM_TEST(dm_test_spmi_access_peripheral, UT_TESTF_SCAN_FDT);