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https://github.com/AsahiLinux/u-boot
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acbb7cd4d3
Add support for clk_is_match() which is required to know if two clock pointers point to the same exact physical clock. Also add a unit test for the new API. Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
165 lines
6 KiB
C
165 lines
6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Google, Inc
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*/
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <asm/clk.h>
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#include <dm/test.h>
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#include <linux/err.h>
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#include <test/ut.h>
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/* Base test of the clk uclass */
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static int dm_test_clk_base(struct unit_test_state *uts)
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{
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struct udevice *dev;
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struct clk clk_method1;
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struct clk clk_method2;
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/* Get the device using the clk device */
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ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
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/* Get the same clk port in 2 different ways and compare */
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ut_assertok(clk_get_by_index(dev, 1, &clk_method1));
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ut_assertok(clk_get_by_index_nodev(dev_ofnode(dev), 1, &clk_method2));
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ut_asserteq(clk_is_match(&clk_method1, &clk_method2), true);
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ut_asserteq(clk_method1.id, clk_method2.id);
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return 0;
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}
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DM_TEST(dm_test_clk_base, DM_TESTF_SCAN_FDT);
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static int dm_test_clk(struct unit_test_state *uts)
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{
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struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
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ulong rate;
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ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
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&dev_fixed));
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ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
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&dev_fixed_factor));
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ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
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&dev_clk));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
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&dev_test));
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ut_assertok(sandbox_clk_test_get(dev_test));
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ut_assertok(sandbox_clk_test_valid(dev_test));
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ut_asserteq(1234,
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sandbox_clk_test_get_rate(dev_test,
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SANDBOX_CLK_TEST_ID_FIXED));
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ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
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SANDBOX_CLK_TEST_ID_SPI));
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ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
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SANDBOX_CLK_TEST_ID_I2C));
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rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
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12345);
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ut_assert(IS_ERR_VALUE(rate));
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rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
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ut_asserteq(1234, rate);
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ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
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SANDBOX_CLK_TEST_ID_SPI,
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1000));
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ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
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SANDBOX_CLK_TEST_ID_I2C,
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2000));
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ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
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SANDBOX_CLK_TEST_ID_SPI));
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ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
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SANDBOX_CLK_TEST_ID_I2C));
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ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
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SANDBOX_CLK_TEST_ID_SPI,
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10000));
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ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
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SANDBOX_CLK_TEST_ID_I2C,
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20000));
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rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
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ut_assert(IS_ERR_VALUE(rate));
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rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
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ut_assert(IS_ERR_VALUE(rate));
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ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
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SANDBOX_CLK_TEST_ID_SPI));
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ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
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SANDBOX_CLK_TEST_ID_I2C));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_assertok(sandbox_clk_test_disable(dev_test,
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SANDBOX_CLK_TEST_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_assertok(sandbox_clk_test_disable(dev_test,
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SANDBOX_CLK_TEST_ID_I2C));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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ut_assertok(sandbox_clk_test_free(dev_test));
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return 0;
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}
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DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
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static int dm_test_clk_bulk(struct unit_test_state *uts)
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{
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struct udevice *dev_clk, *dev_test;
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ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
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&dev_clk));
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ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
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&dev_test));
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ut_assertok(sandbox_clk_test_get_bulk(dev_test));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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/* Fixed clock does not support enable, thus should not fail */
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ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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/* Fixed clock does not support disable, thus should not fail */
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ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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/* Fixed clock does not support enable, thus should not fail */
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ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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/* Fixed clock does not support disable, thus should not fail */
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ut_assertok(sandbox_clk_test_release_bulk(dev_test));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
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ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
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return 0;
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}
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DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);
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