[J-u-boot.git] / test / dm / spmi.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2015 Mateusz Kulikowski <[email protected]>
 */

#include <common.h>
#include <fdtdec.h>
#include <dm.h>
#include <malloc.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/test.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, UT_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, UT_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, UT_TESTF_SCAN_FDT);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
d33776e4 MK	2	/*
d33776e4 MK	3	* (C) Copyright 2015 Mateusz Kulikowski <[email protected]>
d33776e4 MK	4	*/
	5
	6	#include <common.h>
	7	#include <fdtdec.h>
	8	#include <dm.h>
336d4615	9	#include <malloc.h>
d33776e4 MK	10	#include <dm/device.h>
	11	#include <dm/root.h>
	12	#include <dm/test.h>
	13	#include <dm/util.h>
	14	#include <power/pmic.h>
	15	#include <spmi/spmi.h>
	16	#include <asm/gpio.h>
0e1fad43	17	#include <test/test.h>
d33776e4 MK	18	#include <test/ut.h>
d33776e4 MK	19
d33776e4 MK	20	/* Test if bus childs got probed propperly*/
	21	static int dm_test_spmi_probe(struct unit_test_state *uts)
	22	{
	23	const char *name = "spmi@0";
	24	struct udevice bus, dev;
	25
	26	ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
	27
	28	/* Check bus name */
	29	ut_asserteq_str(name, bus->name);
	30
	31	/* Check that it has some devices */
	32	ut_asserteq(device_has_children(bus), true);
	33
	34	ut_assertok(device_find_first_child(bus, &dev));
	35
	36	/* There should be at least one child */
	37	ut_assertnonnull(dev);
	38
	39	/* Check that only PMICs are connected to the bus */
	40	while (dev) {
	41	ut_asserteq(device_get_uclass_id(dev), UCLASS_PMIC);
	42	device_find_next_child(&dev);
	43	}
	44
	45	return 0;
	46	}
e180c2b1	47	DM_TEST(dm_test_spmi_probe, UT_TESTF_SCAN_FDT);
d33776e4 MK	48
	49	/* Test if it's possible to read bus directly and indirectly */
	50	static int dm_test_spmi_access(struct unit_test_state *uts)
	51	{
	52	const char *pmic_name = "pm8916@0";
	53	struct udevice bus, pmic;
	54
	55	ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
	56
	57	ut_assertok(device_get_child(bus, 0, &pmic));
	58
	59	/* Sanity check if it's proper PMIC */
	60	ut_asserteq_str(pmic_name, pmic->name);
	61
	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);
	65
	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);
	69
	70	return 0;
	71	}
e180c2b1	72	DM_TEST(dm_test_spmi_access, UT_TESTF_SCAN_FDT);
d33776e4 MK	73
	74
	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)
	77	{
	78	struct udevice *dev;
	79	unsigned int offset, gpio;
	80	const char *name;
	81	int offset_count;
	82
	83	/* Get second pin of PMIC GPIO */
	84	ut_assertok(gpio_lookup_name("spmi1", &dev, &offset, &gpio));
	85
	86	/* Check if PMIC is parent */
	87	ut_asserteq(device_get_uclass_id(dev->parent), UCLASS_PMIC);
	88
	89	/* This should be second gpio */
	90	ut_asserteq(1, offset);
	91
	92	name = gpio_get_bank_info(dev, &offset_count);
	93
	94	/* Check bank name */
	95	ut_asserteq_str("spmi", name);
	96	/* Check pin count */
	97	ut_asserteq(4, offset_count);
	98
	99	ut_assertok(gpio_request(gpio, "testing"));
	100
	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);
	108
	109	ut_assertok(gpio_free(gpio));
	110
	111	return 0;
	112	}
e180c2b1	113	DM_TEST(dm_test_spmi_access_peripheral, UT_TESTF_SCAN_FDT);