/* * Copyright (c) 2016, Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ /** * @file PWM driver for Freescale K64 FlexTimer Module (FTM) * * This file implements Pulse Width Modulation using the Freescale FlexTimer * Module (FTM). Basic functionality is implemented using edge-aligned PWM * mode. More complex functionality such as non-zero phase is not supported * since combined mode operation is not implemented. * * The following configuration options are supported. ("x" can be one of the * following values: 0, 1, 2, or 3 representing one of the four FMT modules * FTM0, FTM1, FTM2, or FTM3.) * * - CONFIG_PWM_K64_FTM_x_DEV_NAME: string representing the device name * - CONFIG_PWM_K64_FTM_x_PRESCALE: the clock prescaler value * - CONFIG_PWM_K64_FTM_x_CLOCK_SOURCE: the clock source * - CONFIG_SYS_LOG_PWM_K64_FTM_LEVEL: sets log output level for the driver * - CONFIG_STDOUT_CONSOLE: choose debug logs using printf of printk * * The following configuration options need to be defined in * soc.h or board.h ("x" can be 0, 1, 2 or 3). * - PWM_K64_FTM_x_REG_BASE: the base address of FTM (FTMx_SC) * * The following configuration options are not supported. These are place * holders for future functionality * * - CONFIG_PWM_K64_FTM_x_PHASE_ENABLE_0 support non-zero phase on channel 0 * - CONFIG_PWM_K64_FTM_x_PHASE_ENABLE_1 support non-zero phase on channel 1 * - CONFIG_PWM_K64_FTM_x_PHASE_ENABLE_2 support non-zero phase on channel 2 * - CONFIG_PWM_K64_FTM_x_PHASE_ENABLE_3 support non-zero phase on channel 3 */ #include #include #include #include #include #include #include "pwm_k64_ftm.h" #include /* * Non-zero phase is not supported because combine mode is not yet * implemented. */ #undef COMBINE_MODE_SUPPORT #define SYS_LOG_LEVEL CONFIG_SYS_LOG_PWM_K64_FTM_LEVEL #include /* Maximum PWM outputs */ #define MAX_PWM_OUT 8 /** * @brief Enable the clock for the FTM subsystem * * This function must be called before writing to FTM registers. Failure to * do so may result in bus fault. * * @param ftm_num index indicating which FTM * * @return 0 if successful, failed otherwise */ static int pwm_ftm_clk_enable(uint8_t ftm_num) { volatile struct K20_SIM *sim = (volatile struct K20_SIM *)PERIPH_ADDR_BASE_SIM; /* sys integ. ctl */ if (ftm_num > 3) { SYS_LOG_ERR("Illegal FTM number (%d).\n Cannot enable PWM " "clock", ftm_num); return -EINVAL; } /* enabling the FTM by setting one of the bits SIM_SCGC6[26:24] */ sim->scgc6 |= 1 << (24 + ftm_num); return 0; } /** * @brief Initial FTM configuration * * Initialize the FTM hardware based on configuration options. * * @param dev Device struct * @param access_op Access operation (pin or port) * @param channel The pwm channel number * @param flags Device flags (unused) * * @return 0 if successful, failed otherwise */ static int pwm_ftm_configure(struct device *dev, int access_op, uint32_t channel, int flags) { int return_val = 0; uint32_t clock_source; uint32_t prescale; uint32_t polarity; uint32_t reg_val; SYS_LOG_DBG("..."); const struct pwm_ftm_config * const config = dev->config->config_info; ARG_UNUSED(access_op); ARG_UNUSED(flags); /* enable the clock for the FTM subsystem */ pwm_ftm_clk_enable(config->ftm_num); /* * Initialize: * clock source = x (system, fixed, external) from config * prescaler divide-by x=(1,2,4,8,16,32,64,128) from config * free-running count-up * edge-aligned PWM mode * pair: independent outputs * polarity + * no interrupt */ /* * PS[2:0] = prescale * MOD = pulse width */ clock_source = (config->clock_source & 0x3) << PWM_K64_FTM_SC_CLKS_SHIFT; if (clock_source == 0) { SYS_LOG_DBG("Warning: no clock source. PWM is disabled"); } switch (config->prescale) { case PWM_K64_FTM_PRESCALE_1: prescale = PWM_K64_FTM_SC_PS_D1; break; case PWM_K64_FTM_PRESCALE_2: prescale = PWM_K64_FTM_SC_PS_D2; break; case PWM_K64_FTM_PRESCALE_4: prescale = PWM_K64_FTM_SC_PS_D4; break; case PWM_K64_FTM_PRESCALE_8: prescale = PWM_K64_FTM_SC_PS_D8; break; case PWM_K64_FTM_PRESCALE_16: prescale = PWM_K64_FTM_SC_PS_D16; break; case PWM_K64_FTM_PRESCALE_32: prescale = PWM_K64_FTM_SC_PS_D32; break; case PWM_K64_FTM_PRESCALE_64: prescale = PWM_K64_FTM_SC_PS_D64; break; case PWM_K64_FTM_PRESCALE_128: prescale = PWM_K64_FTM_SC_PS_D128; break; default: /* Illegal prescale value. Default to 1. */ prescale = PWM_K64_FTM_SC_PS_D1; return_val = -ENOTSUP; break; } #ifdef COMBINE_MODE_SUPPORT /* Enable FTMEN=1 and set outputs to initial value */ mode_reg_val = sys_read32(PWM_K64_FTM_MODE(config->reg_base)); mode_reg_val |= PWM_K64_FTM_MODE_FTMEN | PWM_K64_FTM_MODE_INIT; SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", mode_reg_val, PWM_K64_FTM_MODE(config->reg_base)); sys_write32(mode_reg_val, PWM_K64_FTM_MODE(config->reg_base)); /* Enable enhanced synchronization */ SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", PWM_K64_FTM_SYNCONF_SYNCMODE|PWM_K64_FTM_SYNCONF_CNTINC, PWM_K64_FTM_SYNCONF(config->reg_base)); sys_write32(PWM_K64_FTM_SYNCONF_SYNCMODE|PWM_K64_FTM_SYNCONF_CNTINC, PWM_K64_FTM_SYNCONF(config->reg_base)); #endif /*COMBINE_MODE_SUPPORT*/ /* Configure: PS | CLKS | up-counter | disable TOF intr */ reg_val = prescale | clock_source; SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", reg_val, PWM_K64_FTM_SC(config->reg_base)); sys_write32(reg_val, PWM_K64_FTM_SC(config->reg_base)); SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", config->period, PWM_K64_FTM_MOD(config->reg_base)); /* set MOD to max */ sys_write32(config->period, PWM_K64_FTM_MOD(config->reg_base)); /* set channel control to edge-aligned */ reg_val = PWM_K64_FTM_CNSC_MSB | PWM_K64_FTM_CNSC_ELSB; SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", reg_val, PWM_K64_FTM_CNSC(config->reg_base, channel)); sys_write32(reg_val, PWM_K64_FTM_CNSC(config->reg_base, channel)); SYS_LOG_DBG("sys_read32 4.."); /* set polarity high for this channel */ polarity = sys_read32(PWM_K64_FTM_POL(config->reg_base)); polarity &= ~(1<reg_base)); sys_write32(polarity, PWM_K64_FTM_POL(config->reg_base)); return return_val; } /** * @brief API call to set the on/off timer values * * @param dev Device struct * @param access_op Access operation (pin or port) * @param channel The pwm channel number * @param on Timer count value for the start of the pulse on each cycle * (must be 0) * @param off Timer count value for the end of the pulse. After this, the * signal will be off (low if positive polarity) for the rest of * the cycle. * * @return 0 if successful, failed otherwise */ static int pwm_ftm_set_values(struct device *dev, int access_op, uint32_t channel, uint32_t on, uint32_t off) { const struct pwm_ftm_config * const config = dev->config->config_info; struct pwm_ftm_drv_data * const drv_data = (struct pwm_ftm_drv_data * const)dev->driver_data; SYS_LOG_DBG("(on=%d, off=%d)", on, off); uint32_t pwm_pair; uint32_t combine; switch (access_op) { case PWM_ACCESS_BY_PIN: break; case PWM_ACCESS_ALL: return -ENOTSUP; default: return -ENOTSUP; } /* If either ON and/or OFF > max ticks, treat PWM as 100%. * If OFF value == 0, treat it as 0%. * Otherwise, populate registers accordingly. */ if ((on >= config->period) || (off >= config->period)) { /* Fully on. Set to 100% */ SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", config->period, PWM_K64_FTM_CNV(config->reg_base, channel)); /* CnV = pulse width */ sys_write32(config->period, PWM_K64_FTM_CNV(config->reg_base, channel)); } else if (off == 0) { /* Fully off. Set to 0% */ SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", 0, PWM_K64_FTM_CNV(config->reg_base, channel)); /* CnV = 0 */ sys_write32(0, PWM_K64_FTM_CNV(config->reg_base, channel)); } else { /* if on != 0 then set to combine mode and pwm must be even */ if (on != 0) { #ifdef COMBINE_MODE_SUPPORT /* TODO should verify that the other channel is not in * use in non-combine mode */ /* If phase != 0 enable combine mode */ if (channel % 2 != 0) { SYS_LOG_DBG("If Phase is non-zero pwm must be " "0, 2, 4, 6."); return -EINVAL; } SYS_LOG_DBG("Note: Enabling phase on pwm%d therefore " "pwm%d is not valid for output", channel, channel+1); pwm_pair = channel / 2; /* verify that the pair is configured for non-zero phase */ switch (pwm_pair) { case 0: if (!config->phase_enable0) { SYS_LOG_ERR("Phase capability must be " "enabled on FTM0"); return -EINVAL; } break; case 1: if (!config->phase_enable2) { SYS_LOG_ERR("Phase capability must be " "enabled on FTM2"); return -EINVAL; } drv_data->phase[1] = on; break; case 2: if (!config->phase_enable4) { SYS_LOG_ERR("Phase capability must be " "enabled on FTM4"); return -EINVAL; } break; case 3: if (!config->phase_enable6) { SYS_LOG_ERR("Phase capability must be " "enabled on FTM0"); return -EINVAL; } break; default: return -EINVAL; } drv_data->phase[pwm_pair] = on; combine = sys_read32(PWM_K64_FTM_COMBINE(config->reg_base)); combine |= 1 << (pwm_pair * 8); SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", combine, PWM_K64_FTM_COMBINE(config->reg_base)); sys_write32(combine, PWM_K64_FTM_COMBINE(config->reg_base)); SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", on, PWM_K64_FTM_CNV(config->reg_base, channel)); /* set the on value */ sys_write32(on, PWM_K64_FTM_CNV(config->reg_base, channel)); SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", off, PWM_K64_FTM_CNV(config->reg_base, channel+1)); /* set the off value */ sys_write32(off, PWM_K64_FTM_CNV(config->reg_base, channel+1)); #else /*COMBINE_MODE_SUPPORT*/ SYS_LOG_ERR("\"on\" value must be zero. Phase " "is not supported"); return -EINVAL; #endif /*COMBINE_MODE_SUPPORT*/ } else { /* zero phase. No need to combine two channels. */ if (channel % 2 != 0) { pwm_pair = (channel - 1) / 2; } else { pwm_pair = channel / 2; } drv_data->phase[pwm_pair] = 0; combine = sys_read32(PWM_K64_FTM_COMBINE(config->reg_base)); combine &= ~(1 << (pwm_pair * 8)); SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", combine, PWM_K64_FTM_COMBINE(config->reg_base)); sys_write32(combine, PWM_K64_FTM_COMBINE(config->reg_base)); /* set the off value */ SYS_LOG_DBG("sys_write32(0x%08x, 0x%08x)..", off, PWM_K64_FTM_CNV(config->reg_base, channel)); sys_write32(off, PWM_K64_FTM_CNV(config->reg_base, channel)); } } SYS_LOG_DBG("done."); return 0; } /** * @brief API call to set the duty cycle * * Duty cycle describes the percentage of time a signal is in the ON state. * * @param dev Device struct * @param access_op Access operation (pin or port) * @param channel The pwm channel number * @param duty Percentage of time signal is on (value between 0 and 100) * * @return 0 if successful, failed otherwise */ static int pwm_ftm_set_duty_cycle(struct device *dev, int access_op, uint32_t channel, uint8_t duty) { uint32_t on, off; const struct pwm_ftm_config * const config = dev->config->config_info; struct pwm_ftm_drv_data * const drv_data = (struct pwm_ftm_drv_data * const)dev->driver_data; ARG_UNUSED(access_op); SYS_LOG_DBG("..."); if (duty == 0) { /* Turn off PWM */ on = 0; off = 0; } else if (duty >= 100) { /* Force PWM to be 100% */ on = 0; off = config->period + 1; } else { on = 0; /* * Set the "on" value to the phase offset if it was set by * pwm_ftm_set_phase() */ switch (channel) { case 0: if (config->phase_enable0) on = drv_data->phase[0]; break; case 2: if (config->phase_enable2) on = drv_data->phase[1]; break; case 4: if (config->phase_enable4) on = drv_data->phase[2]; break; case 6: if (config->phase_enable6) on = drv_data->phase[3]; break; default: break; } /* Calculate the timer value for when to stop the pulse */ off = on + config->period * duty / 100; SYS_LOG_DBG("on=%d, off=%d, period=%d, duty=%d.", on, off, config->period, duty); /* check for valid off value */ if (off > config->period) return -ENOTSUP; } return pwm_ftm_set_values(dev, access_op, channel, on, off); SYS_LOG_DBG("done."); } /** * @brief API call to set the phase * * Phase describes number of clock ticks of delay before the start of the * pulse. The maximum count of the FTM timer is 65536 so the phase value is * an integer from 0 to 65536. * * A non-zero phase value requires the timer pair to be set to combined mode * so the odd-numbered (n+1) channel is not available for output * * Note: non-zero phase is not supported in this implementation * * @param dev Device struct * @param access_op Access operation (pin or port) * @param channel The pwm channel number * @param phase Clock ticks of delay before start of the pulse (must be 0) * * @return 0 if successful, failed otherwise */ static int pwm_ftm_set_phase(struct device *dev, int access_op, uint32_t channel, uint8_t phase) { #ifdef COMBINE_MODE_SUPPORT const struct pwm_ftm_config * const config = dev->config->config_info; struct pwm_ftm_drv_data * const drv_data = (struct pwm_ftm_drv_data * const)dev->driver_data; ARG_UNUSED(access_op); SYS_LOG_DBG("..."); if ((phase < 0) || (phase > config->period)) return -ENOTSUP; switch (channel) { case 0: if (!config->phase_enable0) return -ENOTSUP; drv_data->phase[0] = phase; break; case 2: if (!config->phase_enable2) return -ENOTSUP; drv_data->phase[1] = phase; break; case 4: if (!config->phase_enable4) return -ENOTSUP; drv_data->phase[2] = phase; break; case 6: if (!config->phase_enable6) return -ENOTSUP; drv_data->phase[3] = phase; break; default: /* channel must be 0, 2, 4, or 6 */ return -ENOTSUP; } SYS_LOG_DBG("done."); return 0; #else /*COMBINE_MODE_SUPPORT*/ ARG_UNUSED(dev); ARG_UNUSED(access_op); ARG_UNUSED(channel); ARG_UNUSED(phase); SYS_LOG_ERR("non-zero phase is not supported."); return -ENOTSUP; #endif /*COMBINE_MODE_SUPPORT*/ } #ifdef CONFIG_DEVICE_POWER_MANAGEMENT /** * @brief API to set device power state * * This function simply sets the device power state in driver_data * * @param dev Device struct * @param power_state device power state to be saved * @return N/A */ static void pwm_ftm_set_power_state(struct device *dev, uint32_t power_state) { struct pwm_ftm_drv_data *context = dev->driver_data; context->device_power_state = power_state; } /** * @brief API to get device power state * * This function simply returns the device power state * from driver_data * * @param dev Device struct * @return device power state */ static uint32_t pwm_ftm_get_power_state(struct device *dev) { struct pwm_ftm_drv_data *context = dev->driver_data; return context->device_power_state; } /** * @brief API call to disable FTM * * This function simply sets the clock source to "no clock selected" thus * disabling the FTM * * @param dev Device struct * @return 0 if successful, failed otherwise */ static int pwm_ftm_suspend(struct device *dev) { uint32_t reg_val; const struct pwm_ftm_config * const config = dev->config->config_info; SYS_LOG_DBG("..."); /* set clock source to "no clock selected" */ reg_val = sys_read32(PWM_K64_FTM_SC(config->reg_base)); reg_val &= ~PWM_K64_FTM_SC_CLKS_MASK; reg_val |= PWM_K64_FTM_SC_CLKS_DISABLE; sys_write32(reg_val, PWM_K64_FTM_SC(config->reg_base)); pwm_ftm_set_power_state(DEVICE_PM_SUSPEND_STATE); SYS_LOG_DBG("done."); return 0; } /** * @brief API call to reenable FTM * * This function simply sets the clock source to the configuration value with * the assumption that FTM was previously disabled by setting the clock source * to "no clock selected" due to a call to pwm_ftm_suspend. * * @param dev Device struct * @return 0 if successful, failed otherwise */ static int pwm_ftm_resume_from_suspend(struct device *dev) { uint32_t clock_source; uint32_t reg_val; /* set clock source to config value */ const struct pwm_ftm_config * const config = dev->config->config_info; SYS_LOG_DBG("..."); clock_source = (config->clock_source << PWM_K64_FTM_SC_CLKS_SHIFT) && PWM_K64_FTM_SC_CLKS_MASK; reg_val = sys_read32(PWM_K64_FTM_SC(config->reg_base)); reg_val &= ~PWM_K64_FTM_SC_CLKS_MASK; reg_val |= clock_source; sys_write32(reg_val, PWM_K64_FTM_SC(config->reg_base)); pwm_ftm_set_power_state(DEVICE_PM_ACTIVE_STATE); SYS_LOG_DBG("done."); return 0; } /* * Implements the driver control management functionality * the *context may include IN data or/and OUT data */ static int pwm_ftm_device_ctrl(struct device *dev, uint32_t ctrl_command, void *context) { if (ctrl_command == DEVICE_PM_SET_POWER_STATE) { if (*((uint32_t *)context) == DEVICE_PM_SUSPEND_STATE) { return pwm_ftm_suspend(dev); } else if (*((uint32_t *)context) == DEVICE_PM_ACTIVE_STATE) { return pwm_ftm_resume_from_suspend(dev); } } else if (ctrl_command == DEVICE_PM_GET_POWER_STATE) { *((uint32_t *)context) = pwm_ftm_get_power_state(dev); return 0; } return 0; } #else #define pwm_ftm_set_power_state(...) #endif static const struct pwm_driver_api pwm_ftm_drv_api_funcs = { .config = pwm_ftm_configure, .set_values = pwm_ftm_set_values, .set_duty_cycle = pwm_ftm_set_duty_cycle, .set_phase = pwm_ftm_set_phase, }; /** * @brief Initialization function of FTM * * @param dev Device struct * @return 0 if successful, failed otherwise. */ int pwm_ftm_init(struct device *dev) { SYS_LOG_DBG("..."); pwm_ftm_set_power_state(DEVICE_PM_ACTIVE_STATE); return 0; } /* Initialization for PWM_K64_FTM_0 */ #ifdef CONFIG_PWM_K64_FTM_0 #include #include static const struct pwm_ftm_config pwm_ftm_0_cfg = { .ftm_num = 0, .reg_base = PWM_K64_FTM_0_REG_BASE, .prescale = CONFIG_PWM_K64_FTM_0_PRESCALE, .clock_source = CONFIG_PWM_K64_FTM_0_CLOCK_SOURCE, #ifdef CONFIG_PWM_K64_FTM_0_PHASE_ENABLE_0 .phase_enable0 = 1, #else .phase_enable0 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_0_PHASE_ENABLE_2 .phase_enable2 = 1, #else .phase_enable2 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_0_PHASE_ENABLE_4 .phase_enable4 = 1, #else .phase_enable4 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_0_PHASE_ENABLE_6 .phase_enable6 = 1, #else .phase_enable6 = 0, #endif .period = CONFIG_PWM_K64_FTM_0_PERIOD, }; static struct pwm_ftm_drv_data pwm_ftm_0_drvdata; DEVICE_DEFINE(pwm_ftm_0, CONFIG_PWM_K64_FTM_0_DEV_NAME, pwm_ftm_init, pwm_ftm_device_ctrl, &pwm_ftm_0_drvdata, &pwm_ftm_0_cfg, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &pwm_ftm_drv_api_funcs); #endif /* CONFIG_PWM_K64_FTM_0 */ /* Initialization for PWM_K64_FTM_1 */ #ifdef CONFIG_PWM_K64_FTM_1 #include #include static const struct pwm_ftm_config pwm_ftm_1_cfg = { .ftm_num = 1, .reg_base = PWM_K64_FTM_1_REG_BASE, .prescale = CONFIG_PWM_K64_FTM_1_PRESCALE, .clock_source = CONFIG_PWM_K64_FTM_1_CLOCK_SOURCE, #ifdef CONFIG_PWM_K64_FTM_1_PHASE_ENABLE_0 .phase_enable0 = 1, #else .phase_enable0 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_1_PHASE_ENABLE_2 .phase_enable2 = 1, #else .phase_enable2 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_1_PHASE_ENABLE_4 .phase_enable4 = 1, #else .phase_enable4 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_1_PHASE_ENABLE_6 .phase_enable6 = 1, #else .phase_enable6 = 0, #endif }; static struct pwm_ftm_drv_data pwm_ftm_1_drvdata; DEVICE_DEFINE(pwm_ftm_1, CONFIG_PWM_K64_FTM_1_DEV_NAME, pwm_ftm_init, pwm_ftm_device_ctrl, &pwm_ftm_1_drvdata, &pwm_ftm_1_cfg, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &pwm_ftm_drv_api_funcs); #endif /* CONFIG_PWM_K64_FTM_1 */ /* Initialization for PWM_K64_FTM_2 */ #ifdef CONFIG_PWM_K64_FTM_2 #include #include static const struct pwm_ftm_config pwm_ftm_2_cfg = { .ftm_num = 2, .reg_base = PWM_K64_FTM_2_REG_BASE, .prescale = CONFIG_PWM_K64_FTM_2_PRESCALE, .clock_source = CONFIG_PWM_K64_FTM_2_CLOCK_SOURCE, #ifdef CONFIG_PWM_K64_FTM_2_PHASE_ENABLE_0 .phase_enable0 = 1, #else .phase_enable0 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_2_PHASE_ENABLE_2 .phase_enable2 = 1, #else .phase_enable2 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_2_PHASE_ENABLE_4 .phase_enable4 = 1, #else .phase_enable4 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_2_PHASE_ENABLE_6 .phase_enable6 = 1, #else .phase_enable6 = 0, #endif }; static struct pwm_ftm_drv_data pwm_ftm_2_drvdata; DEVICE_DEFINE(pwm_ftm_2, CONFIG_PWM_K64_FTM_2_DEV_NAME, pwm_ftm_init, pwm_ftm_device_ctrl, &pwm_ftm_2_drvdata, &pwm_ftm_2_cfg, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &pwm_ftm_drv_api_funcs); #endif /* CONFIG_PWM_K64_FTM_2 */ /* Initialization for PWM_K64_FTM_3 */ #ifdef CONFIG_PWM_K64_FTM_3 #include #include static const struct pwm_ftm_config pwm_ftm_3_cfg = { .ftm_num = 3, .reg_base = PWM_K64_FTM_3_REG_BASE, .prescale = CONFIG_PWM_K64_FTM_3_PRESCALE, .clock_source = CONFIG_PWM_K64_FTM_3_CLOCK_SOURCE, #ifdef CONFIG_PWM_K64_FTM_3_PHASE_ENABLE_0 .phase_enable0 = 1, #else .phase_enable0 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_3_PHASE_ENABLE_2 .phase_enable2 = 1, #else .phase_enable2 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_3_PHASE_ENABLE_4 .phase_enable4 = 1, #else .phase_enable4 = 0, #endif #ifdef CONFIG_PWM_K64_FTM_3_PHASE_ENABLE_6 .phase_enable6 = 1, #else .phase_enable6 = 0, #endif }; static struct pwm_ftm_drv_data pwm_ftm_3_drvdata; DEVICE_DEFINE(pwm_ftm_3, CONFIG_PWM_K64_FTM_3_DEV_NAME, pwm_ftm_init, pwm_ftm_device_ctrl, &pwm_ftm_3_drvdata, &pwm_ftm_3_cfg, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &pwm_ftm_drv_api_funcs); #endif /* CONFIG_PWM_K64_FTM_3 */