| /* |
| * Copyright 2023 NXP |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #define DT_DRV_COMPAT nxp_s32_clock |
| |
| #include <zephyr/drivers/clock_control.h> |
| |
| #include <Clock_Ip.h> |
| |
| #define NXP_S32_CLOCK_CONFIG_IDX CONFIG_CLOCK_CONTROL_NXP_S32_CLOCK_CONFIG_IDX |
| |
| BUILD_ASSERT(CLOCK_IP_GET_FREQUENCY_API == STD_ON, |
| "Clock Get Frequency API must be enabled"); |
| |
| static int nxp_s32_clock_on(const struct device *dev, |
| clock_control_subsys_t sub_system) |
| { |
| Clock_Ip_NameType clock_name = (Clock_Ip_NameType)sub_system; |
| |
| if ((clock_name <= CLOCK_IS_OFF) || (clock_name >= RESERVED_CLK)) { |
| return -EINVAL; |
| } |
| |
| Clock_Ip_EnableModuleClock(clock_name); |
| |
| return 0; |
| } |
| |
| static int nxp_s32_clock_off(const struct device *dev, |
| clock_control_subsys_t sub_system) |
| { |
| Clock_Ip_NameType clock_name = (Clock_Ip_NameType)sub_system; |
| |
| if ((clock_name <= CLOCK_IS_OFF) || (clock_name >= RESERVED_CLK)) { |
| return -EINVAL; |
| } |
| |
| Clock_Ip_DisableModuleClock(clock_name); |
| |
| return 0; |
| } |
| |
| static int nxp_s32_clock_get_rate(const struct device *dev, |
| clock_control_subsys_t sub_system, |
| uint32_t *rate) |
| { |
| Clock_Ip_NameType clock_name = (Clock_Ip_NameType)sub_system; |
| |
| if ((clock_name <= CLOCK_IS_OFF) || (clock_name >= RESERVED_CLK)) { |
| return -EINVAL; |
| } |
| |
| *rate = Clock_Ip_GetClockFrequency(clock_name); |
| |
| return 0; |
| } |
| |
| static int nxp_s32_clock_init(const struct device *dev) |
| { |
| Clock_Ip_StatusType status; |
| |
| status = Clock_Ip_Init(&Clock_Ip_aClockConfig[NXP_S32_CLOCK_CONFIG_IDX]); |
| |
| return (status == CLOCK_IP_SUCCESS ? 0 : -EIO); |
| } |
| |
| static const struct clock_control_driver_api nxp_s32_clock_driver_api = { |
| .on = nxp_s32_clock_on, |
| .off = nxp_s32_clock_off, |
| .get_rate = nxp_s32_clock_get_rate, |
| }; |
| |
| DEVICE_DT_INST_DEFINE(0, |
| &nxp_s32_clock_init, |
| NULL, NULL, NULL, |
| PRE_KERNEL_1, CONFIG_CLOCK_CONTROL_INIT_PRIORITY, |
| &nxp_s32_clock_driver_api); |