1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
11 #include <linux/err.h>
14 /* Base test of the clk uclass */
15 static int dm_test_clk_base(struct unit_test_state *uts)
18 struct clk clk_method1;
19 struct clk clk_method2;
21 /* Get the device using the clk device */
22 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
24 /* Get the same clk port in 2 different ways and compare */
25 ut_assertok(clk_get_by_index(dev, 1, &clk_method1));
26 ut_assertok(clk_get_by_index_nodev(dev_ofnode(dev), 1, &clk_method2));
27 ut_asserteq(clk_method1.id, clk_method2.id);
32 DM_TEST(dm_test_clk_base, DM_TESTF_SCAN_FDT);
34 static int dm_test_clk(struct unit_test_state *uts)
36 struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
39 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
42 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
45 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
47 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
48 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
49 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
50 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
52 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
54 ut_assertok(sandbox_clk_test_get(dev_test));
55 ut_assertok(sandbox_clk_test_valid(dev_test));
58 sandbox_clk_test_get_rate(dev_test,
59 SANDBOX_CLK_TEST_ID_FIXED));
60 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
61 SANDBOX_CLK_TEST_ID_SPI));
62 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
63 SANDBOX_CLK_TEST_ID_I2C));
65 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
67 ut_assert(IS_ERR_VALUE(rate));
68 rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
69 ut_asserteq(1234, rate);
71 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
72 SANDBOX_CLK_TEST_ID_SPI,
74 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
75 SANDBOX_CLK_TEST_ID_I2C,
78 ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
79 SANDBOX_CLK_TEST_ID_SPI));
80 ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
81 SANDBOX_CLK_TEST_ID_I2C));
83 ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
84 SANDBOX_CLK_TEST_ID_SPI,
86 ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
87 SANDBOX_CLK_TEST_ID_I2C,
90 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
91 ut_assert(IS_ERR_VALUE(rate));
92 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
93 ut_assert(IS_ERR_VALUE(rate));
95 ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
96 SANDBOX_CLK_TEST_ID_SPI));
97 ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
98 SANDBOX_CLK_TEST_ID_I2C));
100 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
101 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
102 ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
103 ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
105 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
106 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
107 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
109 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
110 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
111 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
113 ut_assertok(sandbox_clk_test_disable(dev_test,
114 SANDBOX_CLK_TEST_ID_SPI));
115 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
116 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
118 ut_assertok(sandbox_clk_test_disable(dev_test,
119 SANDBOX_CLK_TEST_ID_I2C));
120 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
121 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
123 ut_assertok(sandbox_clk_test_free(dev_test));
127 DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
129 static int dm_test_clk_bulk(struct unit_test_state *uts)
131 struct udevice *dev_clk, *dev_test;
133 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
135 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
137 ut_assertok(sandbox_clk_test_get_bulk(dev_test));
139 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
140 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
142 /* Fixed clock does not support enable, thus should not fail */
143 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
144 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
145 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
147 /* Fixed clock does not support disable, thus should not fail */
148 ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
149 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
150 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
152 /* Fixed clock does not support enable, thus should not fail */
153 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
154 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
155 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
157 /* Fixed clock does not support disable, thus should not fail */
158 ut_assertok(sandbox_clk_test_release_bulk(dev_test));
159 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
160 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
164 DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);