[thirdparty/u-boot.git] / drivers / clk / clk_sandbox_test.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2016, NVIDIA CORPORATION.
 */

#include <common.h>
#include <dm.h>
#include <clk.h>
#include <asm/clk.h>

struct sandbox_clk_test {
	struct clk clks[SANDBOX_CLK_TEST_ID_COUNT];
	struct clk_bulk bulk;
};

static const char * const sandbox_clk_test_names[] = {
	[SANDBOX_CLK_TEST_ID_FIXED] = "fixed",
	[SANDBOX_CLK_TEST_ID_SPI] = "spi",
	[SANDBOX_CLK_TEST_ID_I2C] = "i2c",
};

int sandbox_clk_test_get(struct udevice *dev)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	int i, ret;

	for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
		ret = clk_get_by_name(dev, sandbox_clk_test_names[i],
				      &sbct->clks[i]);
		if (ret)
			return ret;
	}

	return 0;
}

int sandbox_clk_test_get_bulk(struct udevice *dev)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	return clk_get_bulk(dev, &sbct->bulk);
}

ulong sandbox_clk_test_get_rate(struct udevice *dev, int id)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
		return -EINVAL;

	return clk_get_rate(&sbct->clks[id]);
}

ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
		return -EINVAL;

	return clk_set_rate(&sbct->clks[id], rate);
}

int sandbox_clk_test_enable(struct udevice *dev, int id)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
		return -EINVAL;

	return clk_enable(&sbct->clks[id]);
}

int sandbox_clk_test_enable_bulk(struct udevice *dev)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	return clk_enable_bulk(&sbct->bulk);
}

int sandbox_clk_test_disable(struct udevice *dev, int id)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
		return -EINVAL;

	return clk_disable(&sbct->clks[id]);
}

int sandbox_clk_test_disable_bulk(struct udevice *dev)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	return clk_disable_bulk(&sbct->bulk);
}

int sandbox_clk_test_free(struct udevice *dev)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	int i, ret;

	for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
		ret = clk_free(&sbct->clks[i]);
		if (ret)
			return ret;
	}

	return 0;
}

int sandbox_clk_test_release_bulk(struct udevice *dev)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);

	return clk_release_bulk(&sbct->bulk);
}

int sandbox_clk_test_valid(struct udevice *dev)
{
	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	int i;

	for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
		if (!clk_valid(&sbct->clks[i]))
			return -EINVAL;
	}

	return 0;
}

static const struct udevice_id sandbox_clk_test_ids[] = {
	{ .compatible = "sandbox,clk-test" },
	{ }
};

U_BOOT_DRIVER(sandbox_clk_test) = {
	.name = "sandbox_clk_test",
	.id = UCLASS_MISC,
	.of_match = sandbox_clk_test_ids,
	.priv_auto_alloc_size = sizeof(struct sandbox_clk_test),
};
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0
135aa950 SW	2	/*
135aa950 SW	3	* Copyright (c) 2016, NVIDIA CORPORATION.
135aa950 SW	4	*/
	5
	6	#include <common.h>
	7	#include <dm.h>
	8	#include <clk.h>
	9	#include <asm/clk.h>
	10
	11	struct sandbox_clk_test {
	12	struct clk clks[SANDBOX_CLK_TEST_ID_COUNT];
65388d0d	13	struct clk_bulk bulk;
135aa950 SW	14	};
	15
	16	static const char * const sandbox_clk_test_names[] = {
	17	[SANDBOX_CLK_TEST_ID_FIXED] = "fixed",
	18	[SANDBOX_CLK_TEST_ID_SPI] = "spi",
	19	[SANDBOX_CLK_TEST_ID_I2C] = "i2c",
	20	};
	21
	22	int sandbox_clk_test_get(struct udevice *dev)
	23	{
	24	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	25	int i, ret;
	26
	27	for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
	28	ret = clk_get_by_name(dev, sandbox_clk_test_names[i],
	29	&sbct->clks[i]);
	30	if (ret)
	31	return ret;
	32	}
	33
	34	return 0;
	35	}
	36
65388d0d NA	37	int sandbox_clk_test_get_bulk(struct udevice *dev)
	38	{
	39	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	40
	41	return clk_get_bulk(dev, &sbct->bulk);
	42	}
	43
135aa950 SW	44	ulong sandbox_clk_test_get_rate(struct udevice *dev, int id)
	45	{
	46	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	47
	48	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
	49	return -EINVAL;
	50
	51	return clk_get_rate(&sbct->clks[id]);
	52	}
	53
	54	ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate)
	55	{
	56	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	57
	58	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
	59	return -EINVAL;
	60
	61	return clk_set_rate(&sbct->clks[id], rate);
	62	}
	63
	64	int sandbox_clk_test_enable(struct udevice *dev, int id)
	65	{
	66	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	67
	68	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
	69	return -EINVAL;
	70
	71	return clk_enable(&sbct->clks[id]);
	72	}
	73
65388d0d NA	74	int sandbox_clk_test_enable_bulk(struct udevice *dev)
	75	{
	76	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	77
	78	return clk_enable_bulk(&sbct->bulk);
	79	}
	80
135aa950 SW	81	int sandbox_clk_test_disable(struct udevice *dev, int id)
	82	{
	83	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	84
	85	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
	86	return -EINVAL;
	87
	88	return clk_disable(&sbct->clks[id]);
	89	}
	90
65388d0d NA	91	int sandbox_clk_test_disable_bulk(struct udevice *dev)
	92	{
	93	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	94
	95	return clk_disable_bulk(&sbct->bulk);
	96	}
	97
135aa950 SW	98	int sandbox_clk_test_free(struct udevice *dev)
	99	{
	100	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	101	int i, ret;
	102
	103	for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
	104	ret = clk_free(&sbct->clks[i]);
	105	if (ret)
	106	return ret;
	107	}
	108
	109	return 0;
	110	}
	111
65388d0d NA	112	int sandbox_clk_test_release_bulk(struct udevice *dev)
	113	{
	114	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	115
	116	return clk_release_bulk(&sbct->bulk);
	117	}
	118
1fe243a1 FG	119	int sandbox_clk_test_valid(struct udevice *dev)
	120	{
	121	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	122	int i;
	123
	124	for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
	125	if (!clk_valid(&sbct->clks[i]))
	126	return -EINVAL;
	127	}
	128
	129	return 0;
	130	}
	131
135aa950 SW	132	static const struct udevice_id sandbox_clk_test_ids[] = {
	133	{ .compatible = "sandbox,clk-test" },
	134	{ }
	135	};
	136
	137	U_BOOT_DRIVER(sandbox_clk_test) = {
	138	.name = "sandbox_clk_test",
	139	.id = UCLASS_MISC,
	140	.of_match = sandbox_clk_test_ids,
	141	.priv_auto_alloc_size = sizeof(struct sandbox_clk_test),
	142	};