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);