Zephyr API Documentation 4.0.0-rc2
A Scalable Open Source RTOS
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esp32c2_clock.h
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1/*
2 * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32C2_H_
8#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32C2_H_
9
10/* Supported CPU clock Sources */
11#define ESP32_CPU_CLK_SRC_XTAL 0U
12#define ESP32_CPU_CLK_SRC_PLL 1U
13#define ESP32_CLK_SRC_RC_FAST 2U
14
15/* Supported CPU frequencies */
16#define ESP32_CLK_CPU_PLL_40M 40000000
17#define ESP32_CLK_CPU_PLL_60M 60000000
18#define ESP32_CLK_CPU_PLL_80M 80000000
19#define ESP32_CLK_CPU_PLL_120M 120000000
20#define ESP32_CLK_CPU_RC_FAST_FREQ 8750000
21
22/* Supported XTAL frequencies */
23#define ESP32_CLK_XTAL_26M 26000000
24#define ESP32_CLK_XTAL_32M 32000000
25#define ESP32_CLK_XTAL_40M 40000000
26
27/* Supported RTC fast clock sources */
28#define ESP32_RTC_FAST_CLK_SRC_XTAL_D2 0
29#define ESP32_RTC_FAST_CLK_SRC_RC_FAST 1
30
31/* Supported RTC slow clock sources */
32#define ESP32_RTC_SLOW_CLK_SRC_RC_SLOW 0
33#define ESP32_RTC_SLOW_CLK_SRC_OSC_SLOW 1
34#define ESP32_RTC_SLOW_CLK_SRC_RC_FAST_D256 2
35
36/* RTC slow clock frequencies */
37#define ESP32_RTC_SLOW_CLK_SRC_RC_SLOW_FREQ 136000
38#define ESP32_RTC_SLOW_CLK_SRC_OSC_SLOW_FREQ 32768
39#define ESP32_RTC_SLOW_CLK_SRC_RC_FAST_D256_FREQ 68359
40
41/* Modules IDs
42 * These IDs are actually offsets in CLK and RST Control registers.
43 * These IDs shouldn't be changed unless there is a Hardware change
44 * from Espressif.
45 *
46 * Basic Modules
47 * Registers: DPORT_PERIP_CLK_EN_REG, DPORT_PERIP_RST_EN_REG
48 */
49#define ESP32_LEDC_MODULE 0
50#define ESP32_UART0_MODULE 1
51#define ESP32_UART1_MODULE 2
52#define ESP32_I2C0_MODULE 3
53#define ESP32_TIMG0_MODULE 4
54#define ESP32_TIMG1_MODULE 5 /* No timg1 on esp32c2, TODO: IDF-3825 */
55#define ESP32_UHCI0_MODULE 6
56#define ESP32_SPI_MODULE 7 /* SPI1 */
57#define ESP32_SPI2_MODULE 8 /* SPI2 */
58#define ESP32_RNG_MODULE 9
59#define ESP32_WIFI_MODULE 10
60#define ESP32_BT_MODULE 11
61#define ESP32_WIFI_BT_COMMON_MODULE 12
62#define ESP32_BT_BASEBAND_MODULE 13
63#define ESP32_BT_LC_MODULE 14
64#define ESP32_AES_MODULE 15
65#define ESP32_SHA_MODULE 16
66#define ESP32_ECC_MODULE 17
67#define ESP32_GDMA_MODULE 18
68#define ESP32_SYSTIMER_MODULE 19
69#define ESP32_SARADC_MODULE 20
70#define ESP32_TEMPSENSOR_MODULE 21
71#define ESP32_MODEM_RPA_MODULE 22
72#define ESP32_MODULE_MAX 23
73
74#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32C2_H_ */