// SPDX-License-Identifier: GPL-2.0+
|
/*
|
* (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
|
*/
|
|
#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>
|
|
/* 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);
|
