1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
12 #include <dm/device-internal.h>
13 #include <linux/err.h>
16 /* Base test of the clk uclass */
17 static int dm_test_clk_base(struct unit_test_state *uts)
20 struct clk clk_method1;
21 struct clk clk_method2;
23 /* Get the device using the clk device */
24 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
26 /* Get the same clk port in 2 different ways and compare */
27 ut_assertok(clk_get_by_index(dev, 1, &clk_method1));
28 ut_assertok(clk_get_by_index_nodev(dev_ofnode(dev), 1, &clk_method2));
29 ut_asserteq(clk_is_match(&clk_method1, &clk_method2), true);
30 ut_asserteq(clk_method1.id, clk_method2.id);
35 DM_TEST(dm_test_clk_base, DM_TESTF_SCAN_FDT);
37 static int dm_test_clk(struct unit_test_state *uts)
39 struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
42 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
45 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
48 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
50 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
51 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
52 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
53 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
55 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
57 ut_assertok(sandbox_clk_test_get(dev_test));
58 ut_assertok(sandbox_clk_test_devm_get(dev_test));
59 ut_assertok(sandbox_clk_test_valid(dev_test));
61 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
62 SANDBOX_CLK_TEST_ID_DEVM_NULL));
63 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
64 SANDBOX_CLK_TEST_ID_DEVM_NULL,
66 ut_asserteq(0, sandbox_clk_test_enable(dev_test,
67 SANDBOX_CLK_TEST_ID_DEVM_NULL));
68 ut_asserteq(0, sandbox_clk_test_disable(dev_test,
69 SANDBOX_CLK_TEST_ID_DEVM_NULL));
72 sandbox_clk_test_get_rate(dev_test,
73 SANDBOX_CLK_TEST_ID_FIXED));
74 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
75 SANDBOX_CLK_TEST_ID_SPI));
76 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
77 SANDBOX_CLK_TEST_ID_I2C));
78 ut_asserteq(321, sandbox_clk_test_get_rate(dev_test,
79 SANDBOX_CLK_TEST_ID_DEVM1));
80 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
81 SANDBOX_CLK_TEST_ID_DEVM2));
83 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
85 ut_assert(IS_ERR_VALUE(rate));
86 rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
87 ut_asserteq(1234, rate);
89 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
90 SANDBOX_CLK_TEST_ID_SPI,
92 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
93 SANDBOX_CLK_TEST_ID_I2C,
96 ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
97 SANDBOX_CLK_TEST_ID_SPI));
98 ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
99 SANDBOX_CLK_TEST_ID_I2C));
101 ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
102 SANDBOX_CLK_TEST_ID_SPI,
104 ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
105 SANDBOX_CLK_TEST_ID_I2C,
108 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
109 ut_assert(IS_ERR_VALUE(rate));
110 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
111 ut_assert(IS_ERR_VALUE(rate));
113 ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
114 SANDBOX_CLK_TEST_ID_SPI));
115 ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
116 SANDBOX_CLK_TEST_ID_I2C));
118 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
119 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
120 ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
121 ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
123 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
124 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
125 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
127 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
128 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
129 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
131 ut_assertok(sandbox_clk_test_disable(dev_test,
132 SANDBOX_CLK_TEST_ID_SPI));
133 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
134 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
136 ut_assertok(sandbox_clk_test_disable(dev_test,
137 SANDBOX_CLK_TEST_ID_I2C));
138 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
139 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
141 ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
142 SANDBOX_CLK_ID_SPI));
143 ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
144 SANDBOX_CLK_ID_I2C));
145 ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
146 SANDBOX_CLK_ID_UART2));
147 ut_assertok(sandbox_clk_test_free(dev_test));
148 ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
149 SANDBOX_CLK_ID_SPI));
150 ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
151 SANDBOX_CLK_ID_I2C));
152 ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
153 SANDBOX_CLK_ID_UART2));
155 ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
156 SANDBOX_CLK_ID_UART1));
157 ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
158 ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
159 SANDBOX_CLK_ID_UART1));
162 DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
164 static int dm_test_clk_bulk(struct unit_test_state *uts)
166 struct udevice *dev_clk, *dev_test;
168 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
170 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
172 ut_assertok(sandbox_clk_test_get_bulk(dev_test));
174 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
175 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
177 /* Fixed clock does not support enable, thus should not fail */
178 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
179 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
180 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
182 /* Fixed clock does not support disable, thus should not fail */
183 ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
184 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
185 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
187 /* Fixed clock does not support enable, thus should not fail */
188 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
189 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
190 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
192 /* Fixed clock does not support disable, thus should not fail */
193 ut_assertok(sandbox_clk_test_release_bulk(dev_test));
194 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
195 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
196 ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
200 DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);