1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
13 #include <power/pmic.h>
14 #include <spmi/spmi.h>
18 /* Test if bus childs got probed propperly*/
19 static int dm_test_spmi_probe(struct unit_test_state *uts)
21 const char *name = "spmi@0";
22 struct udevice *bus, *dev;
24 ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
27 ut_asserteq_str(name, bus->name);
29 /* Check that it has some devices */
30 ut_asserteq(device_has_children(bus), true);
32 ut_assertok(device_find_first_child(bus, &dev));
34 /* There should be at least one child */
35 ut_assertnonnull(dev);
37 /* Check that only PMICs are connected to the bus */
39 ut_asserteq(device_get_uclass_id(dev), UCLASS_PMIC);
40 device_find_next_child(&dev);
45 DM_TEST(dm_test_spmi_probe, DM_TESTF_SCAN_FDT);
47 /* Test if it's possible to read bus directly and indirectly */
48 static int dm_test_spmi_access(struct unit_test_state *uts)
50 const char *pmic_name = "pm8916@0";
51 struct udevice *bus, *pmic;
53 ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
55 ut_assertok(device_get_child(bus, 0, &pmic));
57 /* Sanity check if it's proper PMIC */
58 ut_asserteq_str(pmic_name, pmic->name);
60 /* Read PMIC ID reg using SPMI bus - it assumes it has slaveID == 0*/
61 ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x4), 0x10);
62 ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x5), 0x5);
64 /* Read ID reg via pmic interface */
65 ut_asserteq(pmic_reg_read(pmic, 0xC004), 0x10);
66 ut_asserteq(pmic_reg_read(pmic, 0xC005), 0x5);
70 DM_TEST(dm_test_spmi_access, DM_TESTF_SCAN_FDT);
73 /* Test if it's possible to access GPIO that should be in pmic */
74 static int dm_test_spmi_access_peripheral(struct unit_test_state *uts)
77 unsigned int offset, gpio;
81 /* Get second pin of PMIC GPIO */
82 ut_assertok(gpio_lookup_name("spmi1", &dev, &offset, &gpio));
84 /* Check if PMIC is parent */
85 ut_asserteq(device_get_uclass_id(dev->parent), UCLASS_PMIC);
87 /* This should be second gpio */
88 ut_asserteq(1, offset);
90 name = gpio_get_bank_info(dev, &offset_count);
93 ut_asserteq_str("spmi", name);
95 ut_asserteq(4, offset_count);
97 ut_assertok(gpio_request(gpio, "testing"));
99 /* Try to set/clear gpio */
100 ut_assertok(gpio_direction_output(gpio, 0));
101 ut_asserteq(gpio_get_value(gpio), 0);
102 ut_assertok(gpio_direction_output(gpio, 1));
103 ut_asserteq(gpio_get_value(gpio), 1);
104 ut_assertok(gpio_direction_input(gpio));
105 ut_asserteq(gpio_get_value(gpio), 1);
107 ut_assertok(gpio_free(gpio));
111 DM_TEST(dm_test_spmi_access_peripheral, DM_TESTF_SCAN_FDT);