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66 lines
1.5 KiB
66 lines
1.5 KiB
/* |
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* Copyright (c) 2019 Vestas Wind Systems A/S |
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* |
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* Based on clock_control_mcux_sim.c, which is: |
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* Copyright (c) 2017, NXP |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#define DT_DRV_COMPAT nxp_kinetis_mcg |
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#include <zephyr/drivers/clock_control.h> |
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#include <zephyr/dt-bindings/clock/kinetis_mcg.h> |
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#include <soc.h> |
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#include <fsl_clock.h> |
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#define LOG_LEVEL CONFIG_CLOCK_CONTROL_LOG_LEVEL |
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#include <zephyr/logging/log.h> |
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LOG_MODULE_REGISTER(clock_control_mcg); |
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static int mcux_mcg_on(const struct device *dev, |
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clock_control_subsys_t sub_system) |
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{ |
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return 0; |
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} |
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static int mcux_mcg_off(const struct device *dev, |
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clock_control_subsys_t sub_system) |
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{ |
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return 0; |
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} |
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static int mcux_mcg_get_rate(const struct device *dev, |
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clock_control_subsys_t sub_system, |
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uint32_t *rate) |
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{ |
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clock_name_t clock_name; |
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switch ((uint32_t) sub_system) { |
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#if defined(FSL_FEATURE_MCG_FFCLK_DIV) && (FSL_FEATURE_MCG_FFCLK_DIV) |
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case KINETIS_MCG_FIXED_FREQ_CLK: |
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clock_name = kCLOCK_McgFixedFreqClk; |
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break; |
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#endif |
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case KINETIS_MCG_OUT_CLK: |
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*rate = CLOCK_GetOutClkFreq(); |
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return 0; |
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default: |
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LOG_ERR("Unsupported clock name"); |
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return -EINVAL; |
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break; |
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} |
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*rate = CLOCK_GetFreq(clock_name); |
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return 0; |
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} |
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static DEVICE_API(clock_control, mcux_mcg_driver_api) = { |
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.on = mcux_mcg_on, |
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.off = mcux_mcg_off, |
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.get_rate = mcux_mcg_get_rate, |
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}; |
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DEVICE_DT_INST_DEFINE(0, NULL, NULL, NULL, NULL, PRE_KERNEL_1, |
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CONFIG_CLOCK_CONTROL_INIT_PRIORITY, |
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&mcux_mcg_driver_api);
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