mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-09-02 05:13:23 +00:00
7a60782f67
Adds a new clock control driver for Kinetis SoCs that have the system integration (SIM) module. This will allow mcux shim drivers, such as uart and i2c, to abstract the call to CLOCK_GetFreq() behind the clock_control interface and thus be reused for SoCs with different clock architectures. Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
/*
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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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#include <errno.h>
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#include <soc.h>
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#include <clock_control.h>
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#include <fsl_clock.h>
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#define SYS_LOG_LEVEL CONFIG_SYS_LOG_CLOCK_CONTROL_LEVEL
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#include <logging/sys_log.h>
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static int mcux_sim_on(struct device *dev, 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_sim_off(struct device *dev, 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_sim_get_subsys_rate(struct device *dev,
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clock_control_subsys_t sub_system,
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u32_t *rate)
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{
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clock_name_t clock_name = (clock_name_t) sub_system;
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*rate = CLOCK_GetFreq(clock_name);
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return 0;
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}
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static int mcux_sim_init(struct device *dev)
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{
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return 0;
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}
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static const struct clock_control_driver_api mcux_sim_driver_api = {
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.on = mcux_sim_on,
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.off = mcux_sim_off,
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.get_rate = mcux_sim_get_subsys_rate,
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};
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DEVICE_AND_API_INIT(mcux_sim, CONFIG_SIM_NAME,
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&mcux_sim_init,
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NULL, NULL,
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PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
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&mcux_sim_driver_api);
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