|  | /* | 
|  | * Copyright (c) 2024-2025 Renesas Electronics Corporation | 
|  | * | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  | #include <zephyr/kernel.h> | 
|  | #include <zephyr/device.h> | 
|  | #include <zephyr/irq.h> | 
|  | #include <zephyr/drivers/clock_control/renesas_ra_cgc.h> | 
|  | #include <zephyr/drivers/pwm.h> | 
|  | #include <zephyr/drivers/pinctrl.h> | 
|  | #include "r_gpt.h" | 
|  | #include "r_gpt_cfg.h" | 
|  | #include <zephyr/logging/log.h> | 
|  | #include <stdio.h> | 
|  |  | 
|  | #ifdef CONFIG_RENESAS_RA_ELC | 
|  | #include <zephyr/drivers/misc/interconn/renesas_elc/renesas_elc.h> | 
|  | #endif | 
|  |  | 
|  | LOG_MODULE_REGISTER(pwm_renesas_ra, CONFIG_PWM_LOG_LEVEL); | 
|  |  | 
|  | #define DT_DRV_COMPAT renesas_ra_pwm | 
|  |  | 
|  | #define MAX_PIN                                       2U | 
|  | #define GPT_PRV_GTIO_HIGH_COMPARE_MATCH_LOW_CYCLE_END 0x6U | 
|  | #define GPT_PRV_GTIO_LOW_COMPARE_MATCH_HIGH_CYCLE_END 0x9U | 
|  | #define GPT_PRV_GTIOR_INITIAL_LEVEL_BIT               4 | 
|  | #define GPT_PRV_GTIO_TOGGLE_COMPARE_MATCH             0x3U | 
|  |  | 
|  | struct pwm_renesas_ra_capture_data { | 
|  | pwm_capture_callback_handler_t callback; | 
|  | void *user_data; | 
|  | uint64_t period; | 
|  | uint64_t pulse; | 
|  | bool is_pulse_capture; | 
|  | bool is_busy; | 
|  | uint32_t overflows; | 
|  | bool continuous; | 
|  | }; | 
|  |  | 
|  | struct pwm_renesas_ra_data { | 
|  | gpt_instance_ctrl_t fsp_ctrl; | 
|  | timer_cfg_t fsp_cfg; | 
|  | gpt_extended_cfg_t extend_cfg; | 
|  |  | 
|  | #ifdef CONFIG_RENESAS_RA_ELC | 
|  | struct renesas_elc_dt_spec start_renesas_elc; | 
|  | struct renesas_elc_dt_spec stop_renesas_elc; | 
|  | #endif /* CONFIG_RENESAS_RA_ELC */ | 
|  |  | 
|  | uint16_t capture_a_event; | 
|  | uint16_t overflow_event; | 
|  |  | 
|  | #ifdef CONFIG_PWM_CAPTURE | 
|  | struct pwm_renesas_ra_capture_data capture; | 
|  | #endif /* CONFIG_PWM_CAPTURE */ | 
|  | }; | 
|  |  | 
|  | struct pwm_renesas_ra_config { | 
|  | const struct device *clock_dev; | 
|  | struct clock_control_ra_subsys_cfg clock_subsys; | 
|  | const struct pinctrl_dev_config *pincfg; | 
|  | }; | 
|  |  | 
|  | static uint32_t pwm_renesas_ra_gtior_calculate(gpt_pin_level_t const stop_level) | 
|  | { | 
|  | /* The stop level is used as both the initial level and the stop level. */ | 
|  | uint32_t gtior = R_GPT0_GTIOR_OAE_Msk | ((uint32_t)stop_level << R_GPT0_GTIOR_OADFLT_Pos) | | 
|  | ((uint32_t)stop_level << GPT_PRV_GTIOR_INITIAL_LEVEL_BIT); | 
|  |  | 
|  | uint32_t gtion = GPT_PRV_GTIO_LOW_COMPARE_MATCH_HIGH_CYCLE_END; | 
|  |  | 
|  | /* Calculate the gtior value for PWM mode only */ | 
|  | gtior |= gtion; | 
|  |  | 
|  | return gtior; | 
|  | } | 
|  |  | 
|  | static int pwm_renesas_ra_apply_gtior_config(gpt_instance_ctrl_t *const p_ctrl, | 
|  | timer_cfg_t const *const p_cfg) | 
|  | { | 
|  | gpt_extended_cfg_t *p_extend = (gpt_extended_cfg_t *)p_cfg->p_extend; | 
|  | uint32_t gtior = p_extend->gtior_setting.gtior; | 
|  |  | 
|  | #if GPT_CFG_OUTPUT_SUPPORT_ENABLE | 
|  |  | 
|  | /* Check if custom GTIOR settings are provided. */ | 
|  | if (p_extend->gtior_setting.gtior == 0) { | 
|  | /* If custom GTIOR settings are not provided, calculate GTIOR. */ | 
|  | if (p_extend->gtioca.output_enabled) { | 
|  | uint32_t gtioca_gtior = | 
|  | pwm_renesas_ra_gtior_calculate(p_extend->gtioca.stop_level); | 
|  |  | 
|  | gtior |= gtioca_gtior << R_GPT0_GTIOR_GTIOA_Pos; | 
|  | } | 
|  |  | 
|  | if (p_extend->gtiocb.output_enabled) { | 
|  | uint32_t gtiocb_gtior = | 
|  | pwm_renesas_ra_gtior_calculate(p_extend->gtiocb.stop_level); | 
|  |  | 
|  | gtior |= gtiocb_gtior << R_GPT0_GTIOR_GTIOB_Pos; | 
|  | } | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #if GPT_PRV_EXTRA_FEATURES_ENABLED == GPT_CFG_OUTPUT_SUPPORT_ENABLE | 
|  | gpt_extended_pwm_cfg_t const *p_pwm_cfg = p_extend->p_pwm_cfg; | 
|  |  | 
|  | if (NULL != p_pwm_cfg) { | 
|  | /* Check if custom GTIOR settings are provided. */ | 
|  | if (p_extend->gtior_setting.gtior == 0) { | 
|  | /* If custom GTIOR settings are not provided, set gtioca_disable_settings | 
|  | * and gtiocb_disable_settings. | 
|  | */ | 
|  | gtior |= (uint32_t)(p_pwm_cfg->gtioca_disable_setting | 
|  | << R_GPT0_GTIOR_OADF_Pos); | 
|  | gtior |= (uint32_t)(p_pwm_cfg->gtiocb_disable_setting | 
|  | << R_GPT0_GTIOR_OBDF_Pos); | 
|  | } | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /* Check if custom GTIOR settings are provided. */ | 
|  | if (p_extend->gtior_setting.gtior == 0) { | 
|  | /* | 
|  | * If custom GTIOR settings are not provided, configure the noise filter for | 
|  | * the GTIOC pins. | 
|  | */ | 
|  | gtior |= (uint32_t)(p_extend->capture_filter_gtioca << R_GPT0_GTIOR_NFAEN_Pos); | 
|  | gtior |= (uint32_t)(p_extend->capture_filter_gtiocb << R_GPT0_GTIOR_NFBEN_Pos); | 
|  | } | 
|  |  | 
|  | /* Set the I/O control register. */ | 
|  | p_ctrl->p_reg->GTIOR = gtior; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int pwm_renesas_ra_set_cycles(const struct device *dev, uint32_t pin, uint32_t period_cycles, | 
|  | uint32_t pulse_cycles, pwm_flags_t flags) | 
|  | { | 
|  | struct pwm_renesas_ra_data *data = dev->data; | 
|  | uint32_t pulse; | 
|  | fsp_err_t err; | 
|  |  | 
|  | if (pin >= MAX_PIN) { | 
|  | LOG_ERR("Only valid for gtioca and gtiocb pins"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if ((data->fsp_ctrl.variant == TIMER_VARIANT_16_BIT && period_cycles > UINT16_MAX) || | 
|  | (data->fsp_ctrl.variant == TIMER_VARIANT_32_BIT && period_cycles > UINT32_MAX)) { | 
|  | LOG_ERR("Out of range period cycles are not valid"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* gtioca and gtiocb setting */ | 
|  | if (pin == GPT_IO_PIN_GTIOCA) { | 
|  | data->extend_cfg.gtioca.output_enabled = true; | 
|  | } else { | 
|  | data->extend_cfg.gtiocb.output_enabled = true; | 
|  | } | 
|  |  | 
|  | pulse = (flags & PWM_POLARITY_INVERTED) ? period_cycles - pulse_cycles : pulse_cycles; | 
|  |  | 
|  | /* Apply gtio output setting */ | 
|  | pwm_renesas_ra_apply_gtior_config(&data->fsp_ctrl, &data->fsp_cfg); | 
|  |  | 
|  | /* Stop timer */ | 
|  | err = R_GPT_Stop(&data->fsp_ctrl); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | /* Update period cycles, reflected at an overflow */ | 
|  | err = R_GPT_PeriodSet(&data->fsp_ctrl, period_cycles); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | /* Update pulse cycles, reflected at an overflow */ | 
|  | err = R_GPT_DutyCycleSet(&data->fsp_ctrl, pulse, pin); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | /* Start timer */ | 
|  | err = R_GPT_Start(&data->fsp_ctrl); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_RENESAS_RA_ELC | 
|  | /* Enables external event triggers */ | 
|  | if (data->extend_cfg.start_source != GPT_SOURCE_NONE || | 
|  | data->extend_cfg.stop_source != GPT_SOURCE_NONE) { | 
|  | err = R_GPT_Enable(&data->fsp_ctrl); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  | } | 
|  | #endif /* CONFIG_RENESAS_RA_ELC */ | 
|  |  | 
|  | LOG_DBG("channel %u, pin %u, pulse %u, period %u, prescaler: %u.", data->fsp_cfg.channel, | 
|  | pin, pulse_cycles, period_cycles, data->fsp_cfg.source_div); | 
|  |  | 
|  | return 0; | 
|  | }; | 
|  |  | 
|  | static int pwm_renesas_ra_get_cycles_per_sec(const struct device *dev, uint32_t pin, | 
|  | uint64_t *cycles) | 
|  | { | 
|  | struct pwm_renesas_ra_data *data = dev->data; | 
|  | timer_info_t info; | 
|  | fsp_err_t err; | 
|  |  | 
|  | if (pin >= MAX_PIN) { | 
|  | LOG_ERR("Only valid for gtioca and gtiocb pins"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | err = R_GPT_InfoGet(&data->fsp_ctrl, &info); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  | *cycles = (uint64_t)info.clock_frequency; | 
|  |  | 
|  | return 0; | 
|  | }; | 
|  |  | 
|  | #ifdef CONFIG_PWM_CAPTURE | 
|  | extern void gpt_capture_compare_a_isr(void); | 
|  | extern void gpt_counter_overflow_isr(void); | 
|  |  | 
|  | static void enable_irq(IRQn_Type const irq, uint32_t priority, void *p_context) | 
|  | { | 
|  | if (irq >= 0) { | 
|  | R_BSP_IrqCfgEnable(irq, priority, p_context); | 
|  | } | 
|  | } | 
|  | static void disable_irq(IRQn_Type irq) | 
|  | { | 
|  | /* Disable interrupts. */ | 
|  | if (irq >= 0) { | 
|  | R_BSP_IrqDisable(irq); | 
|  | R_FSP_IsrContextSet(irq, NULL); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int pwm_renesas_ra_configure_capture(const struct device *dev, uint32_t pin, | 
|  | pwm_flags_t flags, pwm_capture_callback_handler_t cb, | 
|  | void *user_data) | 
|  | { | 
|  | struct pwm_renesas_ra_data *data = dev->data; | 
|  |  | 
|  | if (pin != GPT_IO_PIN_GTIOCA) { | 
|  | LOG_ERR("Feature only support for gtioca"); | 
|  | return -EINVAL; | 
|  | } | 
|  | if (!(flags & PWM_CAPTURE_TYPE_MASK)) { | 
|  | LOG_ERR("No PWWM capture type specified"); | 
|  | return -EINVAL; | 
|  | } | 
|  | if ((flags & PWM_CAPTURE_TYPE_MASK) == PWM_CAPTURE_TYPE_BOTH) { | 
|  | LOG_ERR("Cannot capture both period and pulse width"); | 
|  | return -ENOTSUP; | 
|  | } | 
|  | if (data->capture.is_busy) { | 
|  | LOG_ERR("Capture already active on this pin"); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | if (flags & PWM_CAPTURE_TYPE_PERIOD) { | 
|  | data->capture.is_pulse_capture = false; | 
|  |  | 
|  | if (flags & PWM_POLARITY_INVERTED) { | 
|  | data->extend_cfg.start_source = | 
|  | (gpt_source_t)(GPT_SOURCE_GTIOCA_FALLING_WHILE_GTIOCB_LOW | | 
|  | GPT_SOURCE_GTIOCA_FALLING_WHILE_GTIOCB_HIGH | | 
|  | GPT_SOURCE_NONE); | 
|  | data->extend_cfg.capture_a_source = data->extend_cfg.start_source; | 
|  |  | 
|  | } else { | 
|  | data->extend_cfg.start_source = | 
|  | (gpt_source_t)(GPT_SOURCE_GTIOCA_RISING_WHILE_GTIOCB_LOW | | 
|  | GPT_SOURCE_GTIOCA_RISING_WHILE_GTIOCB_HIGH | | 
|  | GPT_SOURCE_NONE); | 
|  | data->extend_cfg.capture_a_source = data->extend_cfg.start_source; | 
|  | } | 
|  | } else { | 
|  | data->capture.is_pulse_capture = true; | 
|  |  | 
|  | if (flags & PWM_POLARITY_INVERTED) { | 
|  | data->extend_cfg.start_source = | 
|  | (gpt_source_t)(GPT_SOURCE_GTIOCA_FALLING_WHILE_GTIOCB_LOW | | 
|  | GPT_SOURCE_GTIOCA_FALLING_WHILE_GTIOCB_HIGH | | 
|  | GPT_SOURCE_NONE); | 
|  |  | 
|  | data->extend_cfg.capture_a_source = | 
|  | (gpt_source_t)(GPT_SOURCE_GTIOCA_RISING_WHILE_GTIOCB_LOW | | 
|  | GPT_SOURCE_GTIOCA_RISING_WHILE_GTIOCB_HIGH | | 
|  | GPT_SOURCE_NONE); | 
|  | } else { | 
|  | data->extend_cfg.start_source = | 
|  | (gpt_source_t)(GPT_SOURCE_GTIOCA_RISING_WHILE_GTIOCB_LOW | | 
|  | GPT_SOURCE_GTIOCA_RISING_WHILE_GTIOCB_HIGH | | 
|  | GPT_SOURCE_NONE); | 
|  |  | 
|  | data->extend_cfg.capture_a_source = | 
|  | (gpt_source_t)(GPT_SOURCE_GTIOCA_FALLING_WHILE_GTIOCB_LOW | | 
|  | GPT_SOURCE_GTIOCA_FALLING_WHILE_GTIOCB_HIGH | | 
|  | GPT_SOURCE_NONE); | 
|  | } | 
|  | } | 
|  |  | 
|  | data->capture.callback = cb; | 
|  | data->capture.user_data = user_data; | 
|  | data->capture.continuous = flags & PWM_CAPTURE_MODE_CONTINUOUS; | 
|  |  | 
|  | if (data->capture.continuous) { | 
|  | data->extend_cfg.stop_source = data->extend_cfg.capture_a_source; | 
|  | data->extend_cfg.clear_source = data->extend_cfg.start_source; | 
|  | } else { | 
|  | data->extend_cfg.stop_source = (gpt_source_t)(GPT_SOURCE_NONE); | 
|  | data->extend_cfg.clear_source = (gpt_source_t)(GPT_SOURCE_NONE); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int pwm_renesas_ra_enable_capture(const struct device *dev, uint32_t pin) | 
|  | { | 
|  | struct pwm_renesas_ra_data *data = dev->data; | 
|  | fsp_err_t err; | 
|  |  | 
|  | if (pin != GPT_IO_PIN_GTIOCA) { | 
|  | LOG_ERR("Feature only support for gtioca"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (data->capture.is_busy) { | 
|  | LOG_ERR("Capture already active on this pin"); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | if (!data->capture.callback) { | 
|  | LOG_ERR("PWM capture not configured"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | data->capture.is_busy = true; | 
|  |  | 
|  | /* Enable capture source */ | 
|  | err = R_GPT_Enable(&data->fsp_ctrl); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | /* Enable interruption */ | 
|  | enable_irq(data->fsp_cfg.cycle_end_irq, data->fsp_cfg.cycle_end_ipl, &data->fsp_ctrl); | 
|  | enable_irq(data->extend_cfg.capture_a_irq, data->extend_cfg.capture_a_ipl, &data->fsp_ctrl); | 
|  |  | 
|  | R_ICU->IELSR[data->fsp_cfg.cycle_end_irq] = (elc_event_t)data->overflow_event; | 
|  | R_ICU->IELSR[data->extend_cfg.capture_a_irq] = (elc_event_t)data->capture_a_event; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int pwm_renesas_ra_disable_capture(const struct device *dev, uint32_t pin) | 
|  | { | 
|  | struct pwm_renesas_ra_data *data = dev->data; | 
|  | fsp_err_t err; | 
|  |  | 
|  | if (pin != GPT_IO_PIN_GTIOCA) { | 
|  | LOG_ERR("Feature only support for gtioca"); | 
|  | return -EINVAL; | 
|  | } | 
|  | data->capture.is_busy = false; | 
|  |  | 
|  | /* Disable interruption */ | 
|  | disable_irq(data->fsp_cfg.cycle_end_irq); | 
|  | disable_irq(data->extend_cfg.capture_a_irq); | 
|  |  | 
|  | R_ICU->IELSR[data->fsp_cfg.cycle_end_irq] = (elc_event_t)ELC_EVENT_NONE; | 
|  | R_ICU->IELSR[data->extend_cfg.capture_a_irq] = (elc_event_t)ELC_EVENT_NONE; | 
|  |  | 
|  | /* Disable capture source */ | 
|  | err = R_GPT_Disable(&data->fsp_ctrl); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | /* Stop timer */ | 
|  | err = R_GPT_Stop(&data->fsp_ctrl); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | /* Clear timer */ | 
|  | err = R_GPT_Reset(&data->fsp_ctrl); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void fsp_callback(timer_callback_args_t *p_args) | 
|  | { | 
|  | const struct device *dev = p_args->p_context; | 
|  | struct pwm_renesas_ra_data *data = dev->data; | 
|  | timer_info_t info; | 
|  |  | 
|  | (void)R_GPT_InfoGet(&data->fsp_ctrl, &info); | 
|  |  | 
|  | uint64_t period = info.period_counts; | 
|  |  | 
|  | /* The maximum period is one more than the maximum 16,32-bit number, but will be reflected | 
|  | * as 0 | 
|  | */ | 
|  | if (period == 0U) { | 
|  | if (data->fsp_ctrl.variant == TIMER_VARIANT_16_BIT) { | 
|  | period = UINT16_MAX + 1U; | 
|  | } else { | 
|  | period = UINT32_MAX + 1U; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Capture event */ | 
|  | if (p_args->event == TIMER_EVENT_CAPTURE_A) { | 
|  | if (p_args->capture != 0U) { | 
|  | if (data->capture.is_pulse_capture == true) { | 
|  | data->capture.pulse = | 
|  | (data->capture.overflows * period) + p_args->capture; | 
|  | data->capture.callback(dev, GPT_IO_PIN_GTIOCA, 0, | 
|  | data->capture.pulse, 0, | 
|  | data->capture.user_data); | 
|  | } else { | 
|  | data->capture.period = | 
|  | (data->capture.overflows * period) + p_args->capture; | 
|  | data->capture.callback(dev, GPT_IO_PIN_GTIOCA, data->capture.period, | 
|  | 0, 0, data->capture.user_data); | 
|  | } | 
|  | data->capture.overflows = 0U; | 
|  | /* Disable capture in single mode */ | 
|  | if (data->capture.continuous == false) { | 
|  | pwm_renesas_ra_disable_capture(dev, GPT_IO_PIN_GTIOCA); | 
|  | } | 
|  | } | 
|  | } else if (p_args->event == TIMER_EVENT_CYCLE_END) { | 
|  | data->capture.overflows++; | 
|  | } else { | 
|  | data->capture.callback(dev, GPT_IO_PIN_GTIOCA, 0, 0, -ECANCELED, | 
|  | data->capture.user_data); | 
|  | } | 
|  | } | 
|  |  | 
|  | #endif /* CONFIG_PWM_CAPTURE */ | 
|  |  | 
|  | static DEVICE_API(pwm, pwm_renesas_ra_driver_api) = { | 
|  | .get_cycles_per_sec = pwm_renesas_ra_get_cycles_per_sec, | 
|  | .set_cycles = pwm_renesas_ra_set_cycles, | 
|  | #ifdef CONFIG_PWM_CAPTURE | 
|  | .configure_capture = pwm_renesas_ra_configure_capture, | 
|  | .enable_capture = pwm_renesas_ra_enable_capture, | 
|  | .disable_capture = pwm_renesas_ra_disable_capture, | 
|  | #endif /* CONFIG_PWM_CAPTURE */ | 
|  | }; | 
|  |  | 
|  | static int pwm_renesas_ra_init(const struct device *dev) | 
|  | { | 
|  | struct pwm_renesas_ra_data *data = dev->data; | 
|  | const struct pwm_renesas_ra_config *cfg = dev->config; | 
|  | int err; | 
|  |  | 
|  | if (!device_is_ready(cfg->clock_dev)) { | 
|  | LOG_ERR("clock control device not ready"); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | err = clock_control_on(cfg->clock_dev, (clock_control_subsys_t)&cfg->clock_subsys); | 
|  | if (err < 0) { | 
|  | LOG_ERR("Could not initialize clock (%d)", err); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | err = pinctrl_apply_state(cfg->pincfg, PINCTRL_STATE_DEFAULT); | 
|  | if (err) { | 
|  | LOG_ERR("Failed to configure pins for PWM (%d)", err); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | #if defined(CONFIG_PWM_CAPTURE) | 
|  | data->fsp_cfg.p_callback = fsp_callback; | 
|  | data->fsp_cfg.p_context = (void *)dev; | 
|  | #endif /* defined(CONFIG_PWM_CAPTURE) */ | 
|  |  | 
|  | #ifdef CONFIG_RENESAS_RA_ELC | 
|  | if (device_is_ready(data->start_renesas_elc.dev) && data->start_renesas_elc.event != 0) { | 
|  | err = renesas_elc_link_set(data->start_renesas_elc.dev, | 
|  | data->start_renesas_elc.peripheral, | 
|  | data->start_renesas_elc.event); | 
|  | if (err) { | 
|  | LOG_ERR("Failed to set Renesas ELC link for PWM start source(%d)", err); | 
|  | return err; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (device_is_ready(data->stop_renesas_elc.dev) && data->stop_renesas_elc.event != 0) { | 
|  | err = renesas_elc_link_set(data->stop_renesas_elc.dev, | 
|  | data->stop_renesas_elc.peripheral, | 
|  | data->stop_renesas_elc.event); | 
|  | if (err) { | 
|  | LOG_ERR("Failed to set Renesas ELC link for PWM stop source(%d)", err); | 
|  | return err; | 
|  | } | 
|  | } | 
|  | #endif /* CONFIG_RENESAS_RA_ELC */ | 
|  |  | 
|  | data->fsp_cfg.p_extend = &data->extend_cfg; | 
|  |  | 
|  | err = R_GPT_Open(&data->fsp_ctrl, &data->fsp_cfg); | 
|  | if (err != FSP_SUCCESS) { | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #define EVENT_GPT_CAPTURE_COMPARE_A(channel)                                                       \ | 
|  | BSP_PRV_IELS_ENUM(CONCAT(EVENT_GPT, channel, _CAPTURE_COMPARE_A)) | 
|  | #define EVENT_GPT_COUNTER_OVERFLOW(channel)                                                        \ | 
|  | BSP_PRV_IELS_ENUM(CONCAT(EVENT_GPT, channel, _COUNTER_OVERFLOW)) | 
|  |  | 
|  | #ifdef CONFIG_RENESAS_RA_ELC | 
|  | #define PWM_RENESAS_ELC_DATA(index)                                                                \ | 
|  | .start_renesas_elc =                                                                       \ | 
|  | {                                                                                  \ | 
|  | .dev = RENESAS_ELC_DT_SPEC_DEVICE_INST_GET_BY_NAME_OR_NULL(index, start),  \ | 
|  | .peripheral = RENESAS_ELC_DT_SPEC_PERIPHERAL_INST_GET_BY_NAME_OR(          \ | 
|  | index, start, 0),                                                  \ | 
|  | .event = RENESAS_ELC_DT_SPEC_EVENT_INST_GET_BY_NAME_OR(index, start, 0),   \ | 
|  | },                                                                                         \ | 
|  | .stop_renesas_elc = {                                                                      \ | 
|  | .dev = RENESAS_ELC_DT_SPEC_DEVICE_INST_GET_BY_NAME_OR_NULL(index, stop),           \ | 
|  | .peripheral = RENESAS_ELC_DT_SPEC_PERIPHERAL_INST_GET_BY_NAME_OR(index, stop, 0),  \ | 
|  | .event = RENESAS_ELC_DT_SPEC_EVENT_INST_GET_BY_NAME_OR(index, stop, 0),            \ | 
|  | }, | 
|  | #else | 
|  | #define PWM_RENESAS_ELC_DATA(index) | 
|  | #endif | 
|  |  | 
|  | #ifdef CONFIG_PWM_CAPTURE | 
|  | #define PWM_RA_IRQ_CONFIG_INIT(index)                                                              \ | 
|  | do {                                                                                       \ | 
|  | BSP_ASSIGN_EVENT_TO_CURRENT_CORE(                                                  \ | 
|  | EVENT_GPT_CAPTURE_COMPARE_A(DT_INST_PROP(index, channel)));                \ | 
|  | BSP_ASSIGN_EVENT_TO_CURRENT_CORE(                                                  \ | 
|  | EVENT_GPT_COUNTER_OVERFLOW(DT_INST_PROP(index, channel)));                 \ | 
|  | \ | 
|  | IRQ_CONNECT(DT_INST_IRQ_BY_NAME(index, gtioca, irq),                               \ | 
|  | DT_INST_IRQ_BY_NAME(index, gtioca, priority),                          \ | 
|  | gpt_capture_compare_a_isr, NULL, 0);                                   \ | 
|  | IRQ_CONNECT(DT_INST_IRQ_BY_NAME(index, overflow, irq),                             \ | 
|  | DT_INST_IRQ_BY_NAME(index, overflow, priority),                        \ | 
|  | gpt_counter_overflow_isr, NULL, 0);                                    \ | 
|  | } while (0) | 
|  |  | 
|  | #else | 
|  | #define PWM_RA_IRQ_CONFIG_INIT(index) | 
|  | #endif /* CONFIG_PWM_CAPTURE */ | 
|  |  | 
|  | #define PWM_INST_SOURCE_OR(index, prop, default_value)                                             \ | 
|  | DT_INST_STRING_TOKEN_OR(index, prop, default_value) | 
|  |  | 
|  | #define PWM_RA8_INIT(index)                                                                        \ | 
|  | PINCTRL_DT_INST_DEFINE(index);                                                             \ | 
|  | static const gpt_extended_cfg_t g_timer1_extend_##index = {                                \ | 
|  | .gtioca =                                                                          \ | 
|  | {                                                                          \ | 
|  | .output_enabled = false,                                           \ | 
|  | .stop_level = GPT_PIN_LEVEL_LOW,                                   \ | 
|  | },                                                                         \ | 
|  | .gtiocb =                                                                          \ | 
|  | {                                                                          \ | 
|  | .output_enabled = false,                                           \ | 
|  | .stop_level = GPT_PIN_LEVEL_LOW,                                   \ | 
|  | },                                                                         \ | 
|  | .start_source =                                                                    \ | 
|  | (gpt_source_t)(PWM_INST_SOURCE_OR(index, start_source, GPT_SOURCE_NONE)),  \ | 
|  | .stop_source =                                                                     \ | 
|  | (gpt_source_t)(PWM_INST_SOURCE_OR(index, stop_source, GPT_SOURCE_NONE)),   \ | 
|  | .clear_source = (gpt_source_t)(GPT_SOURCE_NONE),                                   \ | 
|  | .count_up_source = (gpt_source_t)(GPT_SOURCE_NONE),                                \ | 
|  | .count_down_source = (gpt_source_t)(GPT_SOURCE_NONE),                              \ | 
|  | .capture_a_source = (gpt_source_t)(GPT_SOURCE_NONE),                               \ | 
|  | .capture_b_source = (gpt_source_t)(GPT_SOURCE_NONE),                               \ | 
|  | .capture_a_ipl = DT_INST_IRQ_BY_NAME(index, gtioca, priority),                     \ | 
|  | .capture_b_ipl = BSP_IRQ_DISABLED,                                                 \ | 
|  | .capture_a_irq = DT_INST_IRQ_BY_NAME(index, gtioca, irq),                          \ | 
|  | .capture_b_irq = FSP_INVALID_VECTOR,                                               \ | 
|  | .capture_filter_gtioca = GPT_CAPTURE_FILTER_NONE,                                  \ | 
|  | .capture_filter_gtiocb = GPT_CAPTURE_FILTER_NONE,                                  \ | 
|  | .p_pwm_cfg = NULL,                                                                 \ | 
|  | .gtior_setting.gtior = (0x0U),                                                     \ | 
|  | .gtioca_polarity = GPT_GTIOC_POLARITY_NORMAL,                                      \ | 
|  | .gtiocb_polarity = GPT_GTIOC_POLARITY_NORMAL,                                      \ | 
|  | };                                                                                         \ | 
|  | static struct pwm_renesas_ra_data pwm_renesas_ra_data_##index = {                          \ | 
|  | .fsp_cfg =                                                                         \ | 
|  | {                                                                          \ | 
|  | .mode = TIMER_MODE_PWM,                                            \ | 
|  | .source_div = DT_INST_PROP(index, divider),                        \ | 
|  | .channel = DT_INST_PROP(index, channel),                           \ | 
|  | .cycle_end_ipl = DT_INST_IRQ_BY_NAME(index, overflow, priority),   \ | 
|  | .cycle_end_irq = DT_INST_IRQ_BY_NAME(index, overflow, irq),        \ | 
|  | },                                                                         \ | 
|  | .extend_cfg = g_timer1_extend_##index,                                             \ | 
|  | PWM_RENESAS_ELC_DATA(index).capture_a_event =                                      \ | 
|  | EVENT_GPT_CAPTURE_COMPARE_A(DT_INST_PROP(index, channel)),                 \ | 
|  | .overflow_event = EVENT_GPT_COUNTER_OVERFLOW(DT_INST_PROP(index, channel)),        \ | 
|  | };                                                                                         \ | 
|  | static const struct pwm_renesas_ra_config pwm_renesas_ra_config_##index = {                \ | 
|  | .pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(index),                                   \ | 
|  | .clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(index)),                            \ | 
|  | .clock_subsys = {                                                                  \ | 
|  | .mstp = (uint32_t)DT_INST_CLOCKS_CELL_BY_IDX(index, 0, mstp),              \ | 
|  | .stop_bit = DT_INST_CLOCKS_CELL_BY_IDX(index, 0, stop_bit),                \ | 
|  | }};                                                                                \ | 
|  | static int pwm_renesas_ra_init_##index(const struct device *dev)                           \ | 
|  | {                                                                                          \ | 
|  | PWM_RA_IRQ_CONFIG_INIT(index);                                                     \ | 
|  | int err = pwm_renesas_ra_init(dev);                                                \ | 
|  | if (err != 0) {                                                                    \ | 
|  | return err;                                                                \ | 
|  | }                                                                                  \ | 
|  | return 0;                                                                          \ | 
|  | }                                                                                          \ | 
|  | DEVICE_DT_INST_DEFINE(index, pwm_renesas_ra_init_##index, NULL,                            \ | 
|  | &pwm_renesas_ra_data_##index, &pwm_renesas_ra_config_##index,        \ | 
|  | POST_KERNEL, CONFIG_PWM_INIT_PRIORITY, &pwm_renesas_ra_driver_api); | 
|  |  | 
|  | DT_INST_FOREACH_STATUS_OKAY(PWM_RA8_INIT); |