huangcm
2025-02-28 b45e871a67cd1272e3da9ba5bd383f832b0f1824
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// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2015 Google, Inc
 */
 
#include <common.h>
#include <dm.h>
#include <asm/clk.h>
#include <dm/test.h>
#include <linux/err.h>
#include <test/ut.h>
 
static int dm_test_clk(struct unit_test_state *uts)
{
   struct udevice *dev_fixed, *dev_clk, *dev_test;
   ulong rate;
 
   ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
                         &dev_fixed));
 
   ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
                         &dev_clk));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
   ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
 
   ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
                         &dev_test));
   ut_assertok(sandbox_clk_test_get(dev_test));
 
   ut_asserteq(1234,
           sandbox_clk_test_get_rate(dev_test,
                         SANDBOX_CLK_TEST_ID_FIXED));
   ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
                        SANDBOX_CLK_TEST_ID_SPI));
   ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
                        SANDBOX_CLK_TEST_ID_I2C));
 
   rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
                    12345);
   ut_assert(IS_ERR_VALUE(rate));
   rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
   ut_asserteq(1234, rate);
 
   ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
                        SANDBOX_CLK_TEST_ID_SPI,
                        1000));
   ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
                        SANDBOX_CLK_TEST_ID_I2C,
                        2000));
 
   ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
                           SANDBOX_CLK_TEST_ID_SPI));
   ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
                           SANDBOX_CLK_TEST_ID_I2C));
 
   ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
                           SANDBOX_CLK_TEST_ID_SPI,
                           10000));
   ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
                           SANDBOX_CLK_TEST_ID_I2C,
                           20000));
 
   rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
   ut_assert(IS_ERR_VALUE(rate));
   rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
   ut_assert(IS_ERR_VALUE(rate));
 
   ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
                            SANDBOX_CLK_TEST_ID_SPI));
   ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
                            SANDBOX_CLK_TEST_ID_I2C));
 
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
   ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
 
   ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   ut_assertok(sandbox_clk_test_disable(dev_test,
                        SANDBOX_CLK_TEST_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   ut_assertok(sandbox_clk_test_disable(dev_test,
                        SANDBOX_CLK_TEST_ID_I2C));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   ut_assertok(sandbox_clk_test_free(dev_test));
 
   return 0;
}
DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
 
static int dm_test_clk_bulk(struct unit_test_state *uts)
{
   struct udevice *dev_clk, *dev_test;
 
   ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
                         &dev_clk));
   ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
                         &dev_test));
   ut_assertok(sandbox_clk_test_get_bulk(dev_test));
 
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   /* Fixed clock does not support enable, thus should not fail */
   ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   /* Fixed clock does not support disable, thus should not fail */
   ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   /* Fixed clock does not support enable, thus should not fail */
   ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   /* Fixed clock does not support disable, thus should not fail */
   ut_assertok(sandbox_clk_test_release_bulk(dev_test));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
   ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 
   return 0;
}
DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);