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_is_match(&clk_method1, &clk_method2), true);
28 ut_asserteq(clk_method1.id, clk_method2.id);
33 DM_TEST(dm_test_clk_base, DM_TESTF_SCAN_FDT);
35 static int dm_test_clk(struct unit_test_state *uts)
37 struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
40 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
43 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
46 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
48 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
49 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
50 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
51 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
53 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
55 ut_assertok(sandbox_clk_test_get(dev_test));
56 ut_assertok(sandbox_clk_test_valid(dev_test));
59 sandbox_clk_test_get_rate(dev_test,
60 SANDBOX_CLK_TEST_ID_FIXED));
61 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
62 SANDBOX_CLK_TEST_ID_SPI));
63 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
64 SANDBOX_CLK_TEST_ID_I2C));
66 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
68 ut_assert(IS_ERR_VALUE(rate));
69 rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
70 ut_asserteq(1234, rate);
72 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
73 SANDBOX_CLK_TEST_ID_SPI,
75 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
76 SANDBOX_CLK_TEST_ID_I2C,
79 ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
80 SANDBOX_CLK_TEST_ID_SPI));
81 ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
82 SANDBOX_CLK_TEST_ID_I2C));
84 ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
85 SANDBOX_CLK_TEST_ID_SPI,
87 ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
88 SANDBOX_CLK_TEST_ID_I2C,
91 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
92 ut_assert(IS_ERR_VALUE(rate));
93 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
94 ut_assert(IS_ERR_VALUE(rate));
96 ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
97 SANDBOX_CLK_TEST_ID_SPI));
98 ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
99 SANDBOX_CLK_TEST_ID_I2C));
101 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
102 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
103 ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
104 ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
106 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
107 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
108 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
110 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
111 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
112 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
114 ut_assertok(sandbox_clk_test_disable(dev_test,
115 SANDBOX_CLK_TEST_ID_SPI));
116 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
117 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
119 ut_assertok(sandbox_clk_test_disable(dev_test,
120 SANDBOX_CLK_TEST_ID_I2C));
121 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
122 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
124 ut_assertok(sandbox_clk_test_free(dev_test));
128 DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
130 static int dm_test_clk_bulk(struct unit_test_state *uts)
132 struct udevice *dev_clk, *dev_test;
134 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
136 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
138 ut_assertok(sandbox_clk_test_get_bulk(dev_test));
140 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
141 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
143 /* Fixed clock does not support enable, thus should not fail */
144 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
145 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
146 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
148 /* Fixed clock does not support disable, thus should not fail */
149 ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
150 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
151 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
153 /* Fixed clock does not support enable, thus should not fail */
154 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
155 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
156 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
158 /* Fixed clock does not support disable, thus should not fail */
159 ut_assertok(sandbox_clk_test_release_bulk(dev_test));
160 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
161 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
165 DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);