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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / d7c09684d73c4831a0240ce1fcbe7644bc3ab6e7 / . / test / dm / clk.c
blob: 898c034e27bfb1de7dc0b18f190f2dfb354714e4 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]2/*
3 * Copyright (C) 2015 Google, Inc
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]4 */
5
6#include <common.h>
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]7#include <dm.h>
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]8#include <asm/clk.h>
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]9#include <dm/test.h>
10#include <linux/err.h>
11#include <test/ut.h>
12
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]13static int dm_test_clk(struct unit_test_state *uts)
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]14{
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]15 struct udevice *dev_fixed, *dev_clk, *dev_test;
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]16 ulong rate;
17
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]18 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
19 &dev_fixed));
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]20
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]21 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
22 &dev_clk));
23 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
24 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
25 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
26 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]27
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]28 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
29 &dev_test));
30 ut_assertok(sandbox_clk_test_get(dev_test));
Fabrice Gasnier1fe243a2018-07-24 16:31:28 +0200[diff] [blame]31 ut_assertok(sandbox_clk_test_valid(dev_test));
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]32
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]33 ut_asserteq(1234,
34 sandbox_clk_test_get_rate(dev_test,
35 SANDBOX_CLK_TEST_ID_FIXED));
36 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
37 SANDBOX_CLK_TEST_ID_SPI));
38 ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
39 SANDBOX_CLK_TEST_ID_I2C));
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]40
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]41 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
42 12345);
43 ut_assert(IS_ERR_VALUE(rate));
44 rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]45 ut_asserteq(1234, rate);
46
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]47 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
48 SANDBOX_CLK_TEST_ID_SPI,
49 1000));
50 ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
51 SANDBOX_CLK_TEST_ID_I2C,
52 2000));
53
54 ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
55 SANDBOX_CLK_TEST_ID_SPI));
56 ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
57 SANDBOX_CLK_TEST_ID_I2C));
58
59 ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
60 SANDBOX_CLK_TEST_ID_SPI,
61 10000));
62 ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
63 SANDBOX_CLK_TEST_ID_I2C,
64 20000));
65
66 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
67 ut_assert(IS_ERR_VALUE(rate));
68 rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
69 ut_assert(IS_ERR_VALUE(rate));
70
71 ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
72 SANDBOX_CLK_TEST_ID_SPI));
73 ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
74 SANDBOX_CLK_TEST_ID_I2C));
75
76 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
77 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
78 ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
79 ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
80
81 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
82 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
83 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
84
85 ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
86 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
87 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
88
89 ut_assertok(sandbox_clk_test_disable(dev_test,
90 SANDBOX_CLK_TEST_ID_SPI));
91 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
92 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
93
94 ut_assertok(sandbox_clk_test_disable(dev_test,
95 SANDBOX_CLK_TEST_ID_I2C));
96 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
97 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
98
99 ut_assertok(sandbox_clk_test_free(dev_test));
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]100
101 return 0;
102}
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]103DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
Neil Armstrong65388d02018-04-03 11:44:19 +0200[diff] [blame]104
105static int dm_test_clk_bulk(struct unit_test_state *uts)
106{
107 struct udevice *dev_clk, *dev_test;
108
109 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
110 &dev_clk));
111 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
112 &dev_test));
113 ut_assertok(sandbox_clk_test_get_bulk(dev_test));
114
115 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
116 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
117
118 /* Fixed clock does not support enable, thus should not fail */
119 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
120 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
121 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
122
123 /* Fixed clock does not support disable, thus should not fail */
124 ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
125 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
126 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
127
128 /* Fixed clock does not support enable, thus should not fail */
129 ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
130 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
131 ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
132
133 /* Fixed clock does not support disable, thus should not fail */
134 ut_assertok(sandbox_clk_test_release_bulk(dev_test));
135 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
136 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
137
138 return 0;
139}
140DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);