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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 2e3f1ff63f50f36e74d46f939823241856ebf1bd / . / test / dm / clk.c
blob: 712a1e674a5550c975f2e886f4ed5273cb074897 [file] [log] [blame]
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]1/*
2 * Copyright (C) 2015 Google, Inc
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]8#include <dm.h>
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]9#include <asm/clk.h>
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]10#include <dm/test.h>
11#include <linux/err.h>
12#include <test/ut.h>
13
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]14static int dm_test_clk(struct unit_test_state *uts)
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]15{
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]16 struct udevice *dev_fixed, *dev_clk, *dev_test;
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]17 ulong rate;
18
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]19 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
20 &dev_fixed));
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]21
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]22 ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
23 &dev_clk));
24 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
25 ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
26 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
27 ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
Simon Glass6a1c7ce2015-07-06 12:54:24 -0600[diff] [blame]28
Stephen Warren135aa952016-06-17 09:44:00 -0600[diff] [blame]29 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
30 &dev_test));
31 ut_assertok(sandbox_clk_test_get(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);