/* * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <fdtdec.h> #include <dm.h> #include <dm/device.h> #include <dm/root.h> #include <dm/test.h> #include <dm/util.h> #include <power/pmic.h> #include <spmi/spmi.h> #include <asm/gpio.h> #include <test/ut.h> DECLARE_GLOBAL_DATA_PTR; /* Test if bus childs got probed propperly*/ static int dm_test_spmi_probe(struct unit_test_state *uts) { const char *name = "spmi@0"; struct udevice *bus, *dev; ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus)); /* Check bus name */ ut_asserteq_str(name, bus->name); /* Check that it has some devices */ ut_asserteq(device_has_children(bus), true); ut_assertok(device_find_first_child(bus, &dev)); /* There should be at least one child */ ut_assertnonnull(dev); /* Check that only PMICs are connected to the bus */ while (dev) { ut_asserteq(device_get_uclass_id(dev), UCLASS_PMIC); device_find_next_child(&dev); } return 0; } DM_TEST(dm_test_spmi_probe, DM_TESTF_SCAN_FDT); /* Test if it's possible to read bus directly and indirectly */ static int dm_test_spmi_access(struct unit_test_state *uts) { const char *pmic_name = "pm8916@0"; struct udevice *bus, *pmic; ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus)); ut_assertok(device_get_child(bus, 0, &pmic)); /* Sanity check if it's proper PMIC */ ut_asserteq_str(pmic_name, pmic->name); /* Read PMIC ID reg using SPMI bus - it assumes it has slaveID == 0*/ ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x4), 0x10); ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x5), 0x5); /* Read ID reg via pmic interface */ ut_asserteq(pmic_reg_read(pmic, 0xC004), 0x10); ut_asserteq(pmic_reg_read(pmic, 0xC005), 0x5); return 0; } DM_TEST(dm_test_spmi_access, DM_TESTF_SCAN_FDT); /* Test if it's possible to access GPIO that should be in pmic */ static int dm_test_spmi_access_peripheral(struct unit_test_state *uts) { struct udevice *dev; unsigned int offset, gpio; const char *name; int offset_count; /* Get second pin of PMIC GPIO */ ut_assertok(gpio_lookup_name("spmi1", &dev, &offset, &gpio)); /* Check if PMIC is parent */ ut_asserteq(device_get_uclass_id(dev->parent), UCLASS_PMIC); /* This should be second gpio */ ut_asserteq(1, offset); name = gpio_get_bank_info(dev, &offset_count); /* Check bank name */ ut_asserteq_str("spmi", name); /* Check pin count */ ut_asserteq(4, offset_count); ut_assertok(gpio_request(gpio, "testing")); /* Try to set/clear gpio */ ut_assertok(gpio_direction_output(gpio, 0)); ut_asserteq(gpio_get_value(gpio), 0); ut_assertok(gpio_direction_output(gpio, 1)); ut_asserteq(gpio_get_value(gpio), 1); ut_assertok(gpio_direction_input(gpio)); ut_asserteq(gpio_get_value(gpio), 1); ut_assertok(gpio_free(gpio)); return 0; } DM_TEST(dm_test_spmi_access_peripheral, DM_TESTF_SCAN_FDT);