xref: /openbmc/u-boot/test/dm/clk.c (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
26a1c7cefSSimon Glass /*
36a1c7cefSSimon Glass  * Copyright (C) 2015 Google, Inc
46a1c7cefSSimon Glass  */
56a1c7cefSSimon Glass 
66a1c7cefSSimon Glass #include <common.h>
76a1c7cefSSimon Glass #include <dm.h>
8135aa950SStephen Warren #include <asm/clk.h>
96a1c7cefSSimon Glass #include <dm/test.h>
106a1c7cefSSimon Glass #include <linux/err.h>
116a1c7cefSSimon Glass #include <test/ut.h>
126a1c7cefSSimon Glass 
13135aa950SStephen Warren static int dm_test_clk(struct unit_test_state *uts)
146a1c7cefSSimon Glass {
15135aa950SStephen Warren 	struct udevice *dev_fixed, *dev_clk, *dev_test;
166a1c7cefSSimon Glass 	ulong rate;
176a1c7cefSSimon Glass 
18135aa950SStephen Warren 	ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
19135aa950SStephen Warren 					      &dev_fixed));
206a1c7cefSSimon Glass 
21135aa950SStephen Warren 	ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
22135aa950SStephen Warren 					      &dev_clk));
23135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
24135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
25135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
26135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
276a1c7cefSSimon Glass 
28135aa950SStephen Warren 	ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
29135aa950SStephen Warren 					      &dev_test));
30135aa950SStephen Warren 	ut_assertok(sandbox_clk_test_get(dev_test));
316a1c7cefSSimon Glass 
32135aa950SStephen Warren 	ut_asserteq(1234,
33135aa950SStephen Warren 		    sandbox_clk_test_get_rate(dev_test,
34135aa950SStephen Warren 					      SANDBOX_CLK_TEST_ID_FIXED));
35135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
36135aa950SStephen Warren 						 SANDBOX_CLK_TEST_ID_SPI));
37135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
38135aa950SStephen Warren 						 SANDBOX_CLK_TEST_ID_I2C));
396a1c7cefSSimon Glass 
40135aa950SStephen Warren 	rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
41135aa950SStephen Warren 					 12345);
42135aa950SStephen Warren 	ut_assert(IS_ERR_VALUE(rate));
43135aa950SStephen Warren 	rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
446a1c7cefSSimon Glass 	ut_asserteq(1234, rate);
456a1c7cefSSimon Glass 
46135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
47135aa950SStephen Warren 						 SANDBOX_CLK_TEST_ID_SPI,
48135aa950SStephen Warren 						 1000));
49135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
50135aa950SStephen Warren 						 SANDBOX_CLK_TEST_ID_I2C,
51135aa950SStephen Warren 						 2000));
52135aa950SStephen Warren 
53135aa950SStephen Warren 	ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
54135aa950SStephen Warren 						    SANDBOX_CLK_TEST_ID_SPI));
55135aa950SStephen Warren 	ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
56135aa950SStephen Warren 						    SANDBOX_CLK_TEST_ID_I2C));
57135aa950SStephen Warren 
58135aa950SStephen Warren 	ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
59135aa950SStephen Warren 						    SANDBOX_CLK_TEST_ID_SPI,
60135aa950SStephen Warren 						    10000));
61135aa950SStephen Warren 	ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
62135aa950SStephen Warren 						    SANDBOX_CLK_TEST_ID_I2C,
63135aa950SStephen Warren 						    20000));
64135aa950SStephen Warren 
65135aa950SStephen Warren 	rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
66135aa950SStephen Warren 	ut_assert(IS_ERR_VALUE(rate));
67135aa950SStephen Warren 	rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
68135aa950SStephen Warren 	ut_assert(IS_ERR_VALUE(rate));
69135aa950SStephen Warren 
70135aa950SStephen Warren 	ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
71135aa950SStephen Warren 						     SANDBOX_CLK_TEST_ID_SPI));
72135aa950SStephen Warren 	ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
73135aa950SStephen Warren 						     SANDBOX_CLK_TEST_ID_I2C));
74135aa950SStephen Warren 
75135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
76135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
77135aa950SStephen Warren 	ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
78135aa950SStephen Warren 	ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
79135aa950SStephen Warren 
80135aa950SStephen Warren 	ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
81135aa950SStephen Warren 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
82135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
83135aa950SStephen Warren 
84135aa950SStephen Warren 	ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
85135aa950SStephen Warren 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
86135aa950SStephen Warren 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
87135aa950SStephen Warren 
88135aa950SStephen Warren 	ut_assertok(sandbox_clk_test_disable(dev_test,
89135aa950SStephen Warren 					     SANDBOX_CLK_TEST_ID_SPI));
90135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
91135aa950SStephen Warren 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
92135aa950SStephen Warren 
93135aa950SStephen Warren 	ut_assertok(sandbox_clk_test_disable(dev_test,
94135aa950SStephen Warren 					     SANDBOX_CLK_TEST_ID_I2C));
95135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
96135aa950SStephen Warren 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
97135aa950SStephen Warren 
98135aa950SStephen Warren 	ut_assertok(sandbox_clk_test_free(dev_test));
996a1c7cefSSimon Glass 
1006a1c7cefSSimon Glass 	return 0;
1016a1c7cefSSimon Glass }
102135aa950SStephen Warren DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
10365388d0dSNeil Armstrong 
10465388d0dSNeil Armstrong static int dm_test_clk_bulk(struct unit_test_state *uts)
10565388d0dSNeil Armstrong {
10665388d0dSNeil Armstrong 	struct udevice *dev_clk, *dev_test;
10765388d0dSNeil Armstrong 
10865388d0dSNeil Armstrong 	ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
10965388d0dSNeil Armstrong 					      &dev_clk));
11065388d0dSNeil Armstrong 	ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
11165388d0dSNeil Armstrong 					      &dev_test));
11265388d0dSNeil Armstrong 	ut_assertok(sandbox_clk_test_get_bulk(dev_test));
11365388d0dSNeil Armstrong 
11465388d0dSNeil Armstrong 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
11565388d0dSNeil Armstrong 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
11665388d0dSNeil Armstrong 
11765388d0dSNeil Armstrong 	/* Fixed clock does not support enable, thus should not fail */
11865388d0dSNeil Armstrong 	ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
11965388d0dSNeil Armstrong 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
12065388d0dSNeil Armstrong 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
12165388d0dSNeil Armstrong 
12265388d0dSNeil Armstrong 	/* Fixed clock does not support disable, thus should not fail */
12365388d0dSNeil Armstrong 	ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
12465388d0dSNeil Armstrong 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
12565388d0dSNeil Armstrong 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
12665388d0dSNeil Armstrong 
12765388d0dSNeil Armstrong 	/* Fixed clock does not support enable, thus should not fail */
12865388d0dSNeil Armstrong 	ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
12965388d0dSNeil Armstrong 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
13065388d0dSNeil Armstrong 	ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
13165388d0dSNeil Armstrong 
13265388d0dSNeil Armstrong 	/* Fixed clock does not support disable, thus should not fail */
13365388d0dSNeil Armstrong 	ut_assertok(sandbox_clk_test_release_bulk(dev_test));
13465388d0dSNeil Armstrong 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
13565388d0dSNeil Armstrong 	ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
13665388d0dSNeil Armstrong 
13765388d0dSNeil Armstrong 	return 0;
13865388d0dSNeil Armstrong }
13965388d0dSNeil Armstrong DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);
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