Zephyr API Documentation
4.0.0-rc2
A Scalable Open Source RTOS
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esp32_clock.h
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/*
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* Copyright (c) 2020 Mohamed ElShahawi
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* Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32_H_
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#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32_H_
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/* Supported CPU clock Sources */
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#define ESP32_CPU_CLK_SRC_XTAL 0U
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#define ESP32_CPU_CLK_SRC_PLL 1U
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#define ESP32_CLK_SRC_RC_FAST 2U
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#define ESP32_CLK_SRC_APLL_CLK 3U
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/* Supported PLL CPU frequencies */
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#define ESP32_CLK_CPU_PLL_80M 80000000
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#define ESP32_CLK_CPU_PLL_160M 160000000
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#define ESP32_CLK_CPU_PLL_240M 240000000
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#define ESP32_CLK_CPU_RC_FAST_FREQ 1062500
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/* Supported XTAL frequencies */
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#define ESP32_CLK_XTAL_24M 24000000
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#define ESP32_CLK_XTAL_26M 26000000
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#define ESP32_CLK_XTAL_40M 40000000
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/* Supported RTC fast clock sources */
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#define ESP32_RTC_FAST_CLK_SRC_XTAL_D4 0
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#define ESP32_RTC_FAST_CLK_SRC_RC_FAST 1
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/* Supported RTC slow clock sources */
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#define ESP32_RTC_SLOW_CLK_SRC_RC_SLOW 0
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#define ESP32_RTC_SLOW_CLK_SRC_XTAL32K 1
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#define ESP32_RTC_SLOW_CLK_SRC_RC_FAST_D256 2
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#define ESP32_RTC_SLOW_CLK_32K_EXT_OSC 9
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/* RTC slow clock frequencies */
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#define ESP32_RTC_SLOW_CLK_SRC_RC_SLOW_FREQ 150000
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#define ESP32_RTC_SLOW_CLK_SRC_XTAL32K_FREQ 32768
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#define ESP32_RTC_SLOW_CLK_SRC_RC_FAST_D256_FREQ 33203
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/* Modules IDs
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* These IDs are actually offsets in CLK and RST Control registers.
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* These IDs shouldn't be changed unless there is a Hardware change
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* from Espressif.
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*
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* Basic Modules
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* Registers: DPORT_PERIP_CLK_EN_REG, DPORT_PERIP_RST_EN_REG
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*/
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#define ESP32_LEDC_MODULE 0
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#define ESP32_UART0_MODULE 1
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#define ESP32_UART1_MODULE 2
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#define ESP32_UART2_MODULE 3
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#define ESP32_I2C0_MODULE 4
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#define ESP32_I2C1_MODULE 5
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#define ESP32_I2S0_MODULE 6
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#define ESP32_I2S1_MODULE 7
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#define ESP32_TIMG0_MODULE 8
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#define ESP32_TIMG1_MODULE 9
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#define ESP32_PWM0_MODULE 10
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#define ESP32_PWM1_MODULE 11
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#define ESP32_UHCI0_MODULE 12
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#define ESP32_UHCI1_MODULE 13
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#define ESP32_RMT_MODULE 14
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#define ESP32_PCNT_MODULE 15
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#define ESP32_SPI_MODULE 16
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#define ESP32_HSPI_MODULE 17
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#define ESP32_VSPI_MODULE 18
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#define ESP32_SPI_DMA_MODULE 19
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#define ESP32_SDMMC_MODULE 20
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#define ESP32_SDIO_SLAVE_MODULE 21
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#define ESP32_TWAI_MODULE 22
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#define ESP32_CAN_MODULE ESP32_TWAI_MODULE
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#define ESP32_EMAC_MODULE 23
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#define ESP32_RNG_MODULE 24
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#define ESP32_WIFI_MODULE 25
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#define ESP32_BT_MODULE 26
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#define ESP32_WIFI_BT_COMMON_MODULE 27
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#define ESP32_BT_BASEBAND_MODULE 28
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#define ESP32_BT_LC_MODULE 29
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#define ESP32_AES_MODULE 30
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#define ESP32_SHA_MODULE 31
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#define ESP32_RSA_MODULE 32
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#define ESP32_SARADC_MODULE 33
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#define ESP32_MODULE_MAX 34
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#endif
/* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32_H_ */
zephyr
dt-bindings
clock
esp32_clock.h
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