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

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

#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];
};

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;
}

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_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_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;
}

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
135aa950 SW	1	/*
	2	* Copyright (c) 2016, NVIDIA CORPORATION.
	3	*
	4	* SPDX-License-Identifier: GPL-2.0
	5	*/
	6
	7	#include <common.h>
	8	#include <dm.h>
	9	#include <clk.h>
	10	#include <asm/clk.h>
	11
	12	struct sandbox_clk_test {
	13	struct clk clks[SANDBOX_CLK_TEST_ID_COUNT];
	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
	37	ulong sandbox_clk_test_get_rate(struct udevice *dev, int id)
	38	{
	39	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	40
	41	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
	42	return -EINVAL;
	43
	44	return clk_get_rate(&sbct->clks[id]);
	45	}
	46
	47	ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate)
	48	{
	49	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	50
	51	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
	52	return -EINVAL;
	53
	54	return clk_set_rate(&sbct->clks[id], rate);
	55	}
	56
	57	int sandbox_clk_test_enable(struct udevice *dev, int id)
	58	{
	59	struct sandbox_clk_test *sbct = dev_get_priv(dev);
	60
	61	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
	62	return -EINVAL;
	63
	64	return clk_enable(&sbct->clks[id]);
65	}
66
67	int sandbox_clk_test_disable(struct udevice *dev, int id)
68	{
69	struct sandbox_clk_test *sbct = dev_get_priv(dev);
70
71	if (id < 0 \|\| id >= SANDBOX_CLK_TEST_ID_COUNT)
72	return -EINVAL;
73
74	return clk_disable(&sbct->clks[id]);
75	}
76
77	int sandbox_clk_test_free(struct udevice *dev)
78	{
79	struct sandbox_clk_test *sbct = dev_get_priv(dev);
80	int i, ret;
81
82	for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
83	ret = clk_free(&sbct->clks[i]);
84	if (ret)
85	return ret;
86	}
87
88	return 0;
89	}
90
91	static const struct udevice_id sandbox_clk_test_ids[] = {
92	{ .compatible = "sandbox,clk-test" },
93	{ }
94	};
95
96	U_BOOT_DRIVER(sandbox_clk_test) = {
97	.name = "sandbox_clk_test",
98	.id = UCLASS_MISC,
99	.of_match = sandbox_clk_test_ids,
100	.priv_auto_alloc_size = sizeof(struct sandbox_clk_test),
101	};