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