/*
 * Copyright (c) 2020 Mohamed ElShahawi
 * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32_H_

/* Supported CPU clock Sources */
#define ESP32_CPU_CLK_SRC_XTAL 0U
#define ESP32_CPU_CLK_SRC_PLL  1U
#define ESP32_CLK_SRC_RC_FAST  2U
#define ESP32_CLK_SRC_APLL_CLK 3U

/* Supported PLL CPU frequencies */
#define ESP32_CLK_CPU_PLL_80M     80000000
#define ESP32_CLK_CPU_PLL_160M    160000000
#define ESP32_CLK_CPU_PLL_240M    240000000
#define ESP32_CLK_CPU_RC_FAST_FREQ 1062500

/* Supported XTAL frequencies */
#define ESP32_CLK_XTAL_24M             24000000
#define ESP32_CLK_XTAL_26M             26000000
#define ESP32_CLK_XTAL_40M             40000000

/* Supported RTC fast clock sources */
#define ESP32_RTC_FAST_CLK_SRC_XTAL_D4 0
#define ESP32_RTC_FAST_CLK_SRC_RC_FAST 1

/* Supported RTC slow clock sources */
#define ESP32_RTC_SLOW_CLK_SRC_RC_SLOW      0
#define ESP32_RTC_SLOW_CLK_SRC_XTAL32K      1
#define ESP32_RTC_SLOW_CLK_SRC_RC_FAST_D256 2
#define ESP32_RTC_SLOW_CLK_32K_EXT_OSC      9

/* RTC slow clock frequencies */
#define ESP32_RTC_SLOW_CLK_SRC_RC_SLOW_FREQ      150000
#define ESP32_RTC_SLOW_CLK_SRC_XTAL32K_FREQ      32768
#define ESP32_RTC_SLOW_CLK_SRC_RC_FAST_D256_FREQ 33203

/* Modules IDs
 * These IDs are actually offsets in CLK and RST Control registers.
 * These IDs shouldn't be changed unless there is a Hardware change
 * from Espressif.
 *
 * Basic Modules
 * Registers: DPORT_PERIP_CLK_EN_REG, DPORT_PERIP_RST_EN_REG
 */
#define ESP32_LEDC_MODULE              0
#define ESP32_UART0_MODULE             1
#define ESP32_UART1_MODULE             2
#define ESP32_UART2_MODULE             3
#define ESP32_I2C0_MODULE              4
#define ESP32_I2C1_MODULE              5
#define ESP32_I2S0_MODULE              6
#define ESP32_I2S1_MODULE              7
#define ESP32_TIMG0_MODULE             8
#define ESP32_TIMG1_MODULE             9
#define ESP32_PWM0_MODULE              10
#define ESP32_PWM1_MODULE              11
#define ESP32_UHCI0_MODULE             12
#define ESP32_UHCI1_MODULE             13
#define ESP32_RMT_MODULE               14
#define ESP32_PCNT_MODULE              15
#define ESP32_SPI_MODULE               16
#define ESP32_HSPI_MODULE              17
#define ESP32_VSPI_MODULE              18
#define ESP32_SPI_DMA_MODULE           19
#define ESP32_SDMMC_MODULE             20
#define ESP32_SDIO_SLAVE_MODULE        21
#define ESP32_TWAI_MODULE              22
#define ESP32_CAN_MODULE ESP32_TWAI_MODULE
#define ESP32_EMAC_MODULE              23
#define ESP32_RNG_MODULE               24
#define ESP32_WIFI_MODULE              25
#define ESP32_BT_MODULE                26
#define ESP32_WIFI_BT_COMMON_MODULE    27
#define ESP32_BT_BASEBAND_MODULE       28
#define ESP32_BT_LC_MODULE             29
#define ESP32_AES_MODULE               30
#define ESP32_SHA_MODULE               31
#define ESP32_RSA_MODULE               32
#define ESP32_SARADC_MODULE            33
#define ESP32_MODULE_MAX               34

#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_ESP32_H_ */