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/****************************************************************************************************
* arch/arm/src/stm32/chip/stm32f20xxx_rcc.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************************************/
#ifndef __ARCH_ARM_SRC_STM32_CHIP_STM32F20XXX_RCC_H
#define __ARCH_ARM_SRC_STM32_CHIP_STM32F20XXX_RCC_H
/****************************************************************************************************
* Pre-processor Definitions
****************************************************************************************************/
/* Register Offsets *********************************************************************************/
#define STM32_RCC_CR_OFFSET 0x0000 /* Clock control register */
#define STM32_RCC_PLLCFG_OFFSET 0x0004 /* PLL configuration register */
#define STM32_RCC_CFGR_OFFSET 0x0008 /* Clock configuration register */
#define STM32_RCC_CIR_OFFSET 0x000c /* Clock interrupt register */
#define STM32_RCC_AHB1RSTR_OFFSET 0x0010 /* AHB1 peripheral reset register */
#define STM32_RCC_AHB2RSTR_OFFSET 0x0014 /* AHB2 peripheral reset register */
#define STM32_RCC_AHB3RSTR_OFFSET 0x0018 /* AHB3 peripheral reset register */
#define STM32_RCC_APB1RSTR_OFFSET 0x0020 /* APB1 Peripheral reset register */
#define STM32_RCC_APB2RSTR_OFFSET 0x0024 /* APB2 Peripheral reset register */
#define STM32_RCC_AHB1ENR_OFFSET 0x0030 /* AHB1 Peripheral Clock enable register */
#define STM32_RCC_AHB2ENR_OFFSET 0x0034 /* AHB2 Peripheral Clock enable register */
#define STM32_RCC_AHB3ENR_OFFSET 0x0038 /* AHB3 Peripheral Clock enable register */
#define STM32_RCC_APB1ENR_OFFSET 0x0040 /* APB1 Peripheral Clock enable register */
#define STM32_RCC_APB2ENR_OFFSET 0x0044 /* APB2 Peripheral Clock enable register */
#define STM32_RCC_AHB1LPENR_OFFSET 0x0050 /* RCC AHB1 low power modeperipheral clock enable register */
#define STM32_RCC_AH2BLPENR_OFFSET 0x0054 /* RCC AHB2 low power modeperipheral clock enable register */
#define STM32_RCC_AH3BLPENR_OFFSET 0x0058 /* RCC AHB3 low power modeperipheral clock enable register */
#define STM32_RCC_APB1LPENR_OFFSET 0x0060 /* RCC APB1 low power modeperipheral clock enable register */
#define STM32_RCC_APB2LPENR_OFFSET 0x0060 /* RCC APB2 low power modeperipheral clock enable register */
#define STM32_RCC_BDCR_OFFSET 0x0070 /* Backup domain control register */
#define STM32_RCC_CSR_OFFSET 0x0074 /* Control/status register */
#define STM32_RCC_SSCGR_OFFSET 0x0080 /* Spread spectrum clock generation register */
#define STM32_RCC_PLLI2SCFGR_OFFSET 0x0084 /* PLLI2S configuration register */
/* Register Addresses *******************************************************************************/
#define STM32_RCC_CR (STM32_RCC_BASE+STM32_RCC_CR_OFFSET)
#define STM32_RCC_PLLCFG (STM32_RCC_BASE+STM32_RCC_PLLCFG_OFFSET)
#define STM32_RCC_CFGR (STM32_RCC_BASE+STM32_RCC_CFGR_OFFSET)
#define STM32_RCC_CIR (STM32_RCC_BASE+STM32_RCC_CIR_OFFSET)
#define STM32_RCC_AHB1RSTR (STM32_RCC_BASE+STM32_RCC_AHB1RSTR_OFFSET)
#define STM32_RCC_AHB2RSTR (STM32_RCC_BASE+STM32_RCC_AHB2RSTR_OFFSET)
#define STM32_RCC_AHB3RSTR (STM32_RCC_BASE+STM32_RCC_AHB3RSTR_OFFSET)
#define STM32_RCC_APB1RSTR (STM32_RCC_BASE+STM32_RCC_APB1RSTR_OFFSET)
#define STM32_RCC_APB2RSTR (STM32_RCC_BASE+STM32_RCC_APB2RSTR_OFFSET)
#define STM32_RCC_AHB1ENR (STM32_RCC_BASE+STM32_RCC_AHB1ENR_OFFSET)
#define STM32_RCC_AHB2ENR (STM32_RCC_BASE+STM32_RCC_AHB2ENR_OFFSET)
#define STM32_RCC_AHB3ENR (STM32_RCC_BASE+STM32_RCC_AHB3ENR_OFFSET)
#define STM32_RCC_APB1ENR (STM32_RCC_BASE+STM32_RCC_APB1ENR_OFFSET)
#define STM32_RCC_APB2ENR (STM32_RCC_BASE+STM32_RCC_APB2ENR_OFFSET)
#define STM32_RCC_AHB1LPENR (STM32_RCC_BASE+STM32_RCC_AHB1LPENR_OFFSET)
#define STM32_RCC_AH2BLPENR (STM32_RCC_BASE+STM32_RCC_AH2BLPENR)
#define STM32_RCC_AH3BLPENR (STM32_RCC_BASE+STM32_RCC_AH3BLPENR_OFFSET)
#define STM32_RCC_APB1LPENR (STM32_RCC_BASE+STM32_RCC_APB1LPENR_OFFSET)
#define STM32_RCC_APB2LPENR (STM32_RCC_BASE+STM32_RCC_APB2LPENR_OFFSET)
#define STM32_RCC_BDCR (STM32_RCC_BASE+STM32_RCC_BDCR_OFFSET)
#define STM32_RCC_CSR (STM32_RCC_BASE+STM32_RCC_CSR_OFFSET)
#define STM32_RCC_SSCGR (STM32_RCC_BASE+STM32_RCC_SSCGR_OFFSET)
#define STM32_RCC_PLLI2SCFGR (STM32_RCC_BASE+STM32_RCC_PLLI2SCFGR_OFFSET)
/* Register Bitfield Definitions ********************************************************************/
/* Clock control register */
#define RCC_CR_HSION (1 << 0) /* Bit 0: Internal High Speed clock enable */
#define RCC_CR_HSIRDY (1 << 1) /* Bit 1: Internal High Speed clock ready flag */
#define RCC_CR_HSITRIM_SHIFT (3) /* Bits 7-3: Internal High Speed clock trimming */
#define RCC_CR_HSITRIM_MASK (0x1f << RCC_CR_HSITRIM_SHIFT)
#define RCC_CR_HSICAL_SHIFT (8) /* Bits 15-8: Internal High Speed clock Calibration */
#define RCC_CR_HSICAL_MASK (0xff << RCC_CR_HSICAL_SHIFT)
#define RCC_CR_HSEON (1 << 16) /* Bit 16: External High Speed clock enable */
#define RCC_CR_HSERDY (1 << 17) /* Bit 17: External High Speed clock ready flag */
#define RCC_CR_HSEBYP (1 << 18) /* Bit 18: External High Speed clock Bypass */
#define RCC_CR_CSSON (1 << 19) /* Bit 19: Clock Security System enable */
#define RCC_CR_PLLON (1 << 24) /* Bit 24: PLL enable */
#define RCC_CR_PLLRDY (1 << 25) /* Bit 25: PLL clock ready flag */
#define RCC_CR_PLLI2SON (1 << 26) /* Bit 26: PLLI2S enable */
#define RCC_CR_PLLI2SRDY (1 << 27) /* Bit 27: PLLI2S clock ready flag */
/* PLL configuration register */
#define RCC_PLLCFG_PLLM_SHIFT (0) /* Bits 0-5: Main PLL (PLL) and audio PLL (PLLI2S)
* input clock divider */
#define RCC_PLLCFG_PLLM_MASK (0x3f << RCC_PLLCFG_PLLM_SHIFT)
# define RCC_PLLCFG_PLLM(n) ((n) << RCC_PLLCFG_PLLM_SHIFT) /* n = 2..63 */
#define RCC_PLLCFG_PLLN_SHIFT (6) /* Bits 6-14: Main PLL (PLL) VCO multiplier */
#define RCC_PLLCFG_PLLN_MASK (0x1ff << RCC_PLLCFG_PLLN_SHIFT)
# define RCC_PLLCFG_PLLN(n) ((n) << RCC_PLLCFG_PLLN_SHIFT) /* n = 2..432 */
#define RCC_PLLCFG_PLLP_SHIFT (16) /* Bits 16-17: Main PLL (PLL) main system clock divider */
#define RCC_PLLCFG_PLLP_MASK (3 << RCC_PLLCFG_PLLP_SHIFT)
# define RCC_PLLCFG_PLLP(n) ((((n)>>1)-1)<< RCC_PLLCFG_PLLP_SHIFT) /* n=2,4,6,8 */
# define RCC_PLLCFG_PLLP_2 (0 << RCC_PLLCFG_PLLP_SHIFT) /* 00: PLLP = 2 */
# define RCC_PLLCFG_PLLP_4 (1 << RCC_PLLCFG_PLLP_SHIFT) /* 01: PLLP = 4 */
# define RCC_PLLCFG_PLLP_6 (2 << RCC_PLLCFG_PLLP_SHIFT) /* 10: PLLP = 6 */
# define RCC_PLLCFG_PLLP_8 (3 << RCC_PLLCFG_PLLP_SHIFT) /* 11: PLLP = 8 */
#define RCC_PLLCFG_PLLSRC (1 << 22) /* Bit 22: Main PLL(PLL) and audio PLL (PLLI2S)
* entry clock source */
# define RCC_PLLCFG_PLLSRC_HSI (0)
# define RCC_PLLCFG_PLLSRC_HSE RCC_PLLCFG_PLLSRC
#define RCC_PLLCFG_PLLQ_SHIFT (24) /* Bits 24-27: Main PLL (PLL) divider
* (USB OTG FS, SDIO and RNG clocks) */
#define RCC_PLLCFG_PLLQ_MASK (15 << RCC_PLLCFG_PLLQ_SHIFT)
# define RCC_PLLCFG_PLLQ(n) ((n) << RCC_PLLCFG_PLLQ_SHIFT) /* n=2..15 */
#define RCC_PLLCFG_RESET (0x24003010) /* PLLCFG reset value */
/* Clock configuration register */
#define RCC_CFGR_SW_SHIFT (0) /* Bits 0-1: System clock Switch */
#define RCC_CFGR_SW_MASK (3 << RCC_CFGR_SW_SHIFT)
# define RCC_CFGR_SW_HSI (0 << RCC_CFGR_SW_SHIFT) /* 00: HSI selected as system clock */
# define RCC_CFGR_SW_HSE (1 << RCC_CFGR_SW_SHIFT) /* 01: HSE selected as system clock */
# define RCC_CFGR_SW_PLL (2 << RCC_CFGR_SW_SHIFT) /* 10: PLL selected as system clock */
#define RCC_CFGR_SWS_SHIFT (2) /* Bits 2-3: System Clock Switch Status */
#define RCC_CFGR_SWS_MASK (3 << RCC_CFGR_SWS_SHIFT)
# define RCC_CFGR_SWS_HSI (0 << RCC_CFGR_SWS_SHIFT) /* 00: HSI oscillator used as system clock */
# define RCC_CFGR_SWS_HSE (1 << RCC_CFGR_SWS_SHIFT) /* 01: HSE oscillator used as system clock */
# define RCC_CFGR_SWS_PLL (2 << RCC_CFGR_SWS_SHIFT) /* 10: PLL used as system clock */
#define RCC_CFGR_HPRE_SHIFT (4) /* Bits 4-7: AHB prescaler */
#define RCC_CFGR_HPRE_MASK (0x0f << RCC_CFGR_HPRE_SHIFT)
# define RCC_CFGR_HPRE_SYSCLK (0 << RCC_CFGR_HPRE_SHIFT) /* 0xxx: SYSCLK not divided */
# define RCC_CFGR_HPRE_SYSCLKd2 (8 << RCC_CFGR_HPRE_SHIFT) /* 1000: SYSCLK divided by 2 */
# define RCC_CFGR_HPRE_SYSCLKd4 (9 << RCC_CFGR_HPRE_SHIFT) /* 1001: SYSCLK divided by 4 */
# define RCC_CFGR_HPRE_SYSCLKd8 (10 << RCC_CFGR_HPRE_SHIFT) /* 1010: SYSCLK divided by 8 */
# define RCC_CFGR_HPRE_SYSCLKd16 (11 << RCC_CFGR_HPRE_SHIFT) /* 1011: SYSCLK divided by 16 */
# define RCC_CFGR_HPRE_SYSCLKd64 (12 << RCC_CFGR_HPRE_SHIFT) /* 1100: SYSCLK divided by 64 */
# define RCC_CFGR_HPRE_SYSCLKd128 (13 << RCC_CFGR_HPRE_SHIFT) /* 1101: SYSCLK divided by 128 */
# define RCC_CFGR_HPRE_SYSCLKd256 (14 << RCC_CFGR_HPRE_SHIFT) /* 1110: SYSCLK divided by 256 */
# define RCC_CFGR_HPRE_SYSCLKd512 (15 << RCC_CFGR_HPRE_SHIFT) /* 1111: SYSCLK divided by 512 */
#define RCC_CFGR_PPRE1_SHIFT (10) /* Bits 10-12: APB Low speed prescaler (APB1) */
#define RCC_CFGR_PPRE1_MASK (7 << RCC_CFGR_PPRE1_SHIFT)
# define RCC_CFGR_PPRE1_HCLK (0 << RCC_CFGR_PPRE1_SHIFT) /* 0xx: HCLK not divided */
# define RCC_CFGR_PPRE1_HCLKd2 (4 << RCC_CFGR_PPRE1_SHIFT) /* 100: HCLK divided by 2 */
# define RCC_CFGR_PPRE1_HCLKd4 (5 << RCC_CFGR_PPRE1_SHIFT) /* 101: HCLK divided by 4 */
# define RCC_CFGR_PPRE1_HCLKd8 (6 << RCC_CFGR_PPRE1_SHIFT) /* 110: HCLK divided by 8 */
# define RCC_CFGR_PPRE1_HCLKd16 (7 << RCC_CFGR_PPRE1_SHIFT) /* 111: HCLK divided by 16 */
#define RCC_CFGR_PPRE2_SHIFT (13) /* Bits 13-15: APB High speed prescaler (APB2) */
#define RCC_CFGR_PPRE2_MASK (7 << RCC_CFGR_PPRE2_SHIFT)
# define RCC_CFGR_PPRE2_HCLK (0 << RCC_CFGR_PPRE2_SHIFT) /* 0xx: HCLK not divided */
# define RCC_CFGR_PPRE2_HCLKd2 (4 << RCC_CFGR_PPRE2_SHIFT) /* 100: HCLK divided by 2 */
# define RCC_CFGR_PPRE2_HCLKd4 (5 << RCC_CFGR_PPRE2_SHIFT) /* 101: HCLK divided by 4 */
# define RCC_CFGR_PPRE2_HCLKd8 (6 << RCC_CFGR_PPRE2_SHIFT) /* 110: HCLK divided by 8 */
# define RCC_CFGR_PPRE2_HCLKd16 (7 << RCC_CFGR_PPRE2_SHIFT) /* 111: HCLK divided by 16 */
#define RCC_CFGR_RTCPRE_SHIFT (16) /* Bits 16-20: APB High speed prescaler (APB2) */
#define RCC_CFGR_RTCPRE_MASK (31 << RCC_CFGR_RTCPRE)
# define RCC_CFGR_RTCPRE(n) ((n) << RCC_CFGR_RTCPRE) /* HSE/n, n=1..31 */
#define RCC_CFGR_MCO1_SHIFT (21) /* Bits 21-22: Microcontroller Clock Output */
#define RCC_CFGR_MCO1_MASK (3 << RCC_CFGR_MCO1_SHIFT)
# define RCC_CFGR_MCO1_HSI (0 << RCC_CFGR_MCO1_SHIFT) /* 00: HSI clock selected */
# define RCC_CFGR_MCO1_LSE (1 << RCC_CFGR_MCO1_SHIFT) /* 01: LSE oscillator selected */
# define RCC_CFGR_MCO1_HSE (2 << RCC_CFGR_MCO1_SHIFT) /* 10: HSE oscillator clock selected */
# define RCC_CFGR_MCO1_PLL (3 << RCC_CFGR_MCO1_SHIFT) /* 11: PLL clock selected */
#define TCC_CFGR_I2SSRC (1 << 23) /* Bit 23: I2S clock selection */
#define RCC_CFGR_MCO1PRE_SHIFT (24) /* Bits 24-26: MCO1 prescaler */
#define RCC_CFGR_MCO1PRE_MASK (7 << RCC_CFGR_MCO1PRE_SHIFT)
# define RCC_CFGR_MCO1PRE_NONE (0 << RCC_CFGR_MCO1PRE_SHIFT) /* 0xx: no division */
# define RCC_CFGR_MCO1PRE_DIV2 (4 << RCC_CFGR_MCO1PRE_SHIFT) /* 100: division by 2 */
# define RCC_CFGR_MCO1PRE_DIV3 (5 << RCC_CFGR_MCO1PRE_SHIFT) /* 101: division by 3 */
# define RCC_CFGR_MCO1PRE_DIV4 (6 << RCC_CFGR_MCO1PRE_SHIFT) /* 110: division by 4 */
# define RCC_CFGR_MCO1PRE_DIV5 (7 << RCC_CFGR_MCO1PRE_SHIFT) /* 111: division by 5 */
#define RCC_CFGR_MCO2PRE_SHIFT (27) /* Bits 27-29: MCO2 prescaler */
#define RCC_CFGR_MCO2PRE_MASK (7 << RCC_CFGR_MCO2PRE_SHIFT)
# define RCC_CFGR_MCO2PRE_NONE (0 << RCC_CFGR_MCO2PRE_SHIFT) /* 0xx: no division */
# define RCC_CFGR_MCO2PRE_DIV2 (4 << RCC_CFGR_MCO2PRE_SHIFT) /* 100: division by 2 */
# define RCC_CFGR_MCO2PRE_DIV3 (5 << RCC_CFGR_MCO2PRE_SHIFT) /* 101: division by 3 */
# define RCC_CFGR_MCO2PRE_DIV4 (6 << RCC_CFGR_MCO2PRE_SHIFT) /* 110: division by 4 */
# define RCC_CFGR_MCO2PRE_DIV5 (7 << RCC_CFGR_MCO2PRE_SHIFT) /* 111: division by 5 */
#define RCC_CFGR_MCO2_SHIFT (30) /* Bits 30-31: Microcontroller clock output 2 */
#define RCC_CFGR_MCO2_MASK (3 << RCC_CFGR_MCO2_SHIFT)
# define RCC_CFGR_MCO2_SYSCLK (0 << RCC_CFGR_MCO2_SHIFT) /* 00: System clock (SYSCLK) selected */
# define RCC_CFGR_MCO2_PLLI2S (1 << RCC_CFGR_MCO2_SHIFT) /* 01: PLLI2S clock selected */
# define RCC_CFGR_MCO2_HSE (2 << RCC_CFGR_MCO2_SHIFT) /* 10: HSE oscillator clock selected */
# define RCC_CFGR_MCO2_PLL (3 << RCC_CFGR_MCO2_SHIFT) /* 11: PLL clock selected */
/* Clock interrupt register */
#define RCC_CIR_LSIRDYF (1 << 0) /* Bit 0: LSI Ready Interrupt flag */
#define RCC_CIR_LSERDYF (1 << 1) /* Bit 1: LSE Ready Interrupt flag */
#define RCC_CIR_HSIRDYF (1 << 2) /* Bit 2: HSI Ready Interrupt flag */
#define RCC_CIR_HSERDYF (1 << 3) /* Bit 3: HSE Ready Interrupt flag */
#define RCC_CIR_PLLRDYF (1 << 4) /* Bit 4: PLL Ready Interrupt flag */
#define RCC_CIR_PLLI2SRDYF (1 << 5) /* Bit 5: PLLI2S Ready Interrupt flag */
#define RCC_CIR_CSSF (1 << 7) /* Bit 7: Clock Security System Interrupt flag */
#define RCC_CIR_LSIRDYIE (1 << 8) /* Bit 8: LSI Ready Interrupt Enable */
#define RCC_CIR_LSERDYIE (1 << 9) /* Bit 9: LSE Ready Interrupt Enable */
#define RCC_CIR_HSIRDYIE (1 << 10) /* Bit 10: HSI Ready Interrupt Enable */
#define RCC_CIR_HSERDYIE (1 << 11) /* Bit 11: HSE Ready Interrupt Enable */
#define RCC_CIR_PLLRDYIE (1 << 12) /* Bit 12: PLL Ready Interrupt Enable */
#define RCC_CIR_PLLI2SRDYIE (1 << 13) /* Bit 13: PLLI2S Ready Interrupt enable */
#define RCC_CIR_LSIRDYC (1 << 16) /* Bit 16: LSI Ready Interrupt Clear */
#define RCC_CIR_LSERDYC (1 << 17) /* Bit 17: LSE Ready Interrupt Clear */
#define RCC_CIR_HSIRDYC (1 << 18) /* Bit 18: HSI Ready Interrupt Clear */
#define RCC_CIR_HSERDYC (1 << 19) /* Bit 19: HSE Ready Interrupt Clear */
#define RCC_CIR_PLLRDYC (1 << 20) /* Bit 20: PLL Ready Interrupt Clear */
#define RCC_CIR_PLLI2SRDYC (1 << 21) /* Bit 21: PLLI2S Ready Interrupt clear */
#define RCC_CIR_CSSC (1 << 23) /* Bit 23: Clock Security System Interrupt Clear */
/* AHB1 peripheral reset register */
#define RCC_AHB1RSTR_GPIOARST (1 << 0) /* Bit 0: IO port A reset */
#define RCC_AHB1RSTR_GPIOBRST (1 << 1) /* Bit 1: IO port B reset */
#define RCC_AHB1RSTR_GPIOCRST (1 << 2) /* Bit 2: IO port C reset */
#define RCC_AHB1RSTR_GPIODRST (1 << 3) /* Bit 3: IO port D reset */
#define RCC_AHB1RSTR_GPIOERST (1 << 4) /* Bit 4: IO port E reset */
#define RCC_AHB1RSTR_GPIOFRST (1 << 5) /* Bit 5: IO port F reset */
#define RCC_AHB1RSTR_GPIOGRST (1 << 6) /* Bit 6: IO port G reset */
#define RCC_AHB1RSTR_GPIOHRST (1 << 7) /* Bit 7: IO port H reset */
#define RCC_AHB1RSTR_CRCRST (1 << 12) /* Bit 12 IO port I reset */
#define RCC_AHB1RSTR_DMA1RST (1 << 21) /* Bit 21: DMA1 reset */
#define RCC_AHB1RSTR_DMA2RST (1 << 22) /* Bit 22: DMA2 reset */
#define RCC_AHB1RSTR_ETHMACRST (1 << 25) /* Bit 25: Ethernet MAC reset */
#define RCC_AHB1RSTR_OTGHSRST (1 << 29) /* Bit 29: USB OTG HS module reset */
/* AHB2 peripheral reset register */
#define RCC_AHB2RSTR_DCMIRST (1 << 0) /* Bit 0: Camera interface reset */
#define RCC_AHB2RSTR_CRYPRST (1 << 4) /* Bit 4: Cryptographic module reset */
#define RCC_AHB2RSTR_HASHRST (1 << 5) /* Bit 5: Hash module reset */
#define RCC_AHB2RSTR_RNGRST (1 << 6) /* Bit 6: Random number generator module reset */
#define RCC_AHB2RSTR_OTGFSRST (1 << 7) /* Bit 7: USB OTG FS module reset */
/* AHB3 peripheral reset register */
#define RCC_AHB3RSTR_FSMCRST (1 << 0) /* Bit 0: Flexible static memory controller module reset */
/* APB1 Peripheral reset register */
#define RCC_APB1RSTR_TIM2RST (1 << 0) /* Bit 0: TIM2 reset */
#define RCC_APB1RSTR_TIM3RST (1 << 1) /* Bit 1: TIM3 reset */
#define RCC_APB1RSTR_TIM4RST (1 << 2) /* Bit 2: TIM4 reset */
#define RCC_APB1RSTR_TIM5RST (1 << 3) /* Bit 3: TIM5 reset */
#define RCC_APB1RSTR_TIM6RST (1 << 4) /* Bit 4: TIM6 reset */
#define RCC_APB1RSTR_TIM7RST (1 << 5) /* Bit 5: TIM7 reset */
#define RCC_APB1RSTR_TIM12RST (1 << 6) /* Bit 6: TIM12 reset */
#define RCC_APB1RSTR_TIM13RST (1 << 7) /* Bit 7: TIM13 reset */
#define RCC_APB1RSTR_TIM14RST (1 << 8) /* Bit 8: TIM14 reset */
#define RCC_APB1RSTR_WWDGRST (1 << 11) /* Bit 11: Window watchdog reset */
#define RCC_APB1RSTR_SPI2RST (1 << 14) /* Bit 14: SPI 2 reset */
#define RCC_APB1RSTR_SPI3RST (1 << 15) /* Bit 15: SPI 3 reset */
#define RCC_APB1RSTR_USART2RST (1 << 17) /* Bit 17: USART 2 reset */
#define RCC_APB1RSTR_USART3RST (1 << 18) /* Bit 18: USART 3 reset */
#define RCC_APB1RSTR_UART4RST (1 << 19) /* Bit 19: USART 4 reset */
#define RCC_APB1RSTR_UART5RST (1 << 20) /* Bit 20: USART 5 reset */
#define RCC_APB1RSTR_I2C1RST (1 << 21) /* Bit 21: I2C 1 reset */
#define RCC_APB1RSTR_I2C2RST (1 << 22) /* Bit 22: I2C 2 reset */
#define RCC_APB1RSTR_I2C3RST (1 << 23) /* Bit 23: I2C3 reset */
#define RCC_APB1RSTR_CAN1RST (1 << 25) /* Bit 25: CAN1 reset */
#define RCC_APB1RSTR_CAN2RST (1 << 26) /* Bit 26: CAN2 reset */
#define RCC_APB1RSTR_PWRRST (1 << 28) /* Bit 28: Power interface reset */
#define RCC_APB1RSTR_DACRST (1 << 29) /* Bit 29: DAC reset */
/* APB2 Peripheral reset register */
#define RCC_APB2RSTR_TIM1RST (1 << 0) /* Bit 0: TIM1 reset */
#define RCC_APB2RSTR_TIM8RST (1 << 1) /* Bit 1: TIM8 reset */
#define RCC_APB2RSTR_USART1RST (1 << 4) /* Bit 4: USART1 reset */
#define RCC_APB2RSTR_USART6RST (1 << 5) /* Bit 5: USART6 reset */
#define RCC_APB2RSTR_ADCRST (1 << 8) /* Bit 8: ADC interface reset (common to all ADCs) */
#define RCC_APB2RSTR_SDIORST (1 << 11) /* Bit 11: SDIO reset */
#define RCC_APB2RSTR_SPI1RST (1 << 12) /* Bit 12: SPI 1 reset */
#define RCC_APB2RSTR_SYSCFGRST (1 << 14) /* Bit 14: System configuration controller reset */
#define RCC_APB2RSTR_TIM9RST (1 << 16) /* Bit 16: TIM9 reset */
#define RCC_APB2RSTR_TIM10RST (1 << 17) /* Bit 17: TIM10 reset */
#define RCC_APB2RSTR_TIM11RST (1 << 18) /* Bit 18: TIM11 reset */
/* AHB1 Peripheral Clock enable register */
#define RCC_AHB1ENR_GPIOEN(n) (1 << (n))
#define RCC_AHB1ENR_GPIOAEN (1 << 0) /* Bit 0: IO port A clock enable */
#define RCC_AHB1ENR_GPIOBEN (1 << 1) /* Bit 1: IO port B clock enable */
#define RCC_AHB1ENR_GPIOCEN (1 << 2) /* Bit 2: IO port C clock enable */
#define RCC_AHB1ENR_GPIODEN (1 << 3) /* Bit 3: IO port D clock enable */
#define RCC_AHB1ENR_GPIOEEN (1 << 4) /* Bit 4: IO port E clock enable */
#define RCC_AHB1ENR_GPIOFEN (1 << 5) /* Bit 5: IO port F clock enable */
#define RCC_AHB1ENR_GPIOGEN (1 << 6) /* Bit 6: IO port G clock enable */
#define RCC_AHB1ENR_GPIOHEN (1 << 7) /* Bit 7: IO port H clock enable */
#define RCC_AHB1ENR_GPIOIEN (1 << 8) /* Bit 8: IO port I clock enable */
#define RCC_AHB1ENR_CRCEN (1 << 12) /* Bit 12: CRC clock enable */
#define RCC_AHB1ENR_BKPSRAMEN (1 << 18) /* Bit 18: Backup SRAM interface clock enable */
#define RCC_AHB1ENR_DMA1EN (1 << 21) /* Bit 21: DMA1 clock enable */
#define RCC_AHB1ENR_DMA2EN (1 << 22) /* Bit 22: DMA2 clock enable */
#define RCC_AHB1ENR_ETHMACEN (1 << 25) /* Bit 25: Ethernet MAC clock enable */
#define RCC_AHB1ENR_ETHMACTXEN (1 << 26) /* Bit 26: Ethernet Transmission clock enable */
#define RCC_AHB1ENR_ETHMACRXEN (1 << 27) /* Bit 27: Ethernet Reception clock enable */
#define RCC_AHB1ENR_ETHMACPTPEN (1 << 28) /* Bit 28: Ethernet PTP clock enable */
#define RCC_AHB1ENR_OTGHSEN (1 << 29) /* Bit 29: USB OTG HS clock enable */
#define RCC_AHB1ENR_OTGHSULPIEN (1 << 30) /* Bit 30: USB OTG HSULPI clock enable */
/* AHB2 Peripheral Clock enable register */
#define RCC_AHB2ENR_DCMIEN (1 << 0) /* Bit 0: Camera interface enable */
#define RCC_AHB2ENR_CRYPEN (1 << 4) /* Bit 4: Cryptographic modules clock enable */
#define RCC_AHB2ENR_HASHEN (1 << 5) /* Bit 5: Hash modules clock enable */
#define RCC_AHB2ENR_RNGEN (1 << 6) /* Bit 6: Random number generator clock enable */
#define RCC_AHB2ENR_OTGFSEN (1 << 7) /* Bit 7: USB OTG FS clock enable */
/* AHB3 Peripheral Clock enable register */
#define RCC_AHB3ENR_FSMCEN (1 << 0) /* Bit 0: Flexible static memory controller module clock enable */
/* APB1 Peripheral Clock enable register */
#define RCC_APB1ENR_TIM2EN (1 << 0) /* Bit 0: TIM2 clock enable */
#define RCC_APB1ENR_TIM3EN (1 << 1) /* Bit 1: TIM3 clock enable */
#define RCC_APB1ENR_TIM4EN (1 << 2) /* Bit 2: TIM4 clock enable */
#define RCC_APB1ENR_TIM5EN (1 << 3) /* Bit 3: TIM5 clock enable */
#define RCC_APB1ENR_TIM6EN (1 << 4) /* Bit 4: TIM6 clock enable */
#define RCC_APB1ENR_TIM7EN (1 << 5) /* Bit 5: TIM7 clock enable */
#define RCC_APB1ENR_TIM12EN (1 << 6) /* Bit 6: TIM12 clock enable */
#define RCC_APB1ENR_TIM13EN (1 << 7) /* Bit 7: TIM13 clock enable */
#define RCC_APB1ENR_TIM14EN (1 << 8) /* Bit 8: TIM14 clock enable */
#define RCC_APB1ENR_WWDGEN (1 << 11) /* Bit 11: Window watchdog clock enable */
#define RCC_APB1ENR_SPI2EN (1 << 14) /* Bit 14: SPI2 clock enable */
#define RCC_APB1ENR_SPI3EN (1 << 15) /* Bit 15: SPI3 clock enable */
#define RCC_APB1ENR_USART2EN (1 << 17) /* Bit 17: USART 2 clock enable */
#define RCC_APB1ENR_USART3EN (1 << 18) /* Bit 18: USART3 clock enable */
#define RCC_APB1ENR_UART4EN (1 << 19) /* Bit 19: UART4 clock enable */
#define RCC_APB1ENR_UART5EN (1 << 20) /* Bit 20: UART5 clock enable */
#define RCC_APB1ENR_I2C1EN (1 << 21) /* Bit 21: I2C1 clock enable */
#define RCC_APB1ENR_I2C2EN (1 << 22) /* Bit 22: I2C2 clock enable */
#define RCC_APB1ENR_I2C3EN (1 << 23) /* Bit 23: I2C3 clock enable */
#define RCC_APB1ENR_CAN1EN (1 << 25) /* Bit 25: CAN 1 clock enable */
#define RCC_APB1ENR_CAN2EN (1 << 26) /* Bit 26: CAN 2 clock enable */
#define RCC_APB1ENR_PWREN (1 << 28) /* Bit 28: Power interface clock enable */
#define RCC_APB1ENR_DACEN (1 << 29) /* Bit 29: DAC interface clock enable */
/* APB2 Peripheral Clock enable register */
#define RCC_APB2ENR_TIM1EN (1 << 0) /* Bit 0: TIM1 clock enable */
#define RCC_APB2ENR_TIM8EN (1 << 1) /* Bit 1: TIM8 clock enable */
#define RCC_APB2ENR_USART1EN (1 << 4) /* Bit 4: USART1 clock enable */
#define RCC_APB2ENR_USART6EN (1 << 5) /* Bit 5: USART6 clock enable */
#define RCC_APB2ENR_ADC1EN (1 << 8) /* Bit 8: ADC1 clock enable */
#define RCC_APB2ENR_ADC2EN (1 << 9) /* Bit 9: ADC2 clock enable */
#define RCC_APB2ENR_ADC3EN (1 << 10) /* Bit 10: ADC3 clock enable */
#define RCC_APB2ENR_SDIOEN (1 << 11) /* Bit 11: SDIO clock enable */
#define RCC_APB2ENR_SPI1EN (1 << 12) /* Bit 12: SPI1 clock enable */
#define RCC_APB2ENR_SYSCFGEN (1 << 14) /* Bit 14: System configuration controller clock enable */
#define RCC_APB2ENR_TIM9EN (1 << 16) /* Bit 16: TIM9 clock enable */
#define RCC_APB2ENR_TIM10EN (1 << 17) /* Bit 17: TIM10 clock enable */
#define RCC_APB2ENR_TIM11EN (1 << 18) /* Bit 18: TIM11 clock enable */
/* RCC AHB1 low power modeperipheral clock enable register */
#define RCC_AHB1LPENR_GPIOLPEN(n) (1 << (n))
#define RCC_AHB1LPENR_GPIOALPEN (1 << 0) /* Bit 0: IO port A clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIOBLPEN (1 << 1) /* Bit 1: IO port B clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIOCLPEN (1 << 2) /* Bit 2: IO port C clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIODLPEN (1 << 3) /* Bit 3: IO port D clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIOELPEN (1 << 4) /* Bit 4: IO port E clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIOFLPEN (1 << 5) /* Bit 5: IO port F clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIOGLPEN (1 << 6) /* Bit 6: IO port G clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIOHLPEN (1 << 7) /* Bit 7: IO port H clock enable during Sleep mode */
#define RCC_AHB1LPENR_GPIOILPEN (1 << 8) /* Bit 8: IO port I clock enable during Sleep mode */
#define RCC_AHB1LPENR_CRCLPEN (1 << 12) /* Bit 12: CRC clock enable during Sleep mode */
#define RCC_AHB1LPENR_FLITFLPEN (1 << 15) /* Bit 15: Flash interface clock enable during Sleep mode */
#define RCC_AHB1LPENR_SRAM1LPEN (1 << 16) /* Bit 16: SRAM 1 interface clock enable during Sleep mode */
#define RCC_AHB1LPENR_SRAM2LPEN (1 << 17) /* Bit 17: SRAM 2 interface clock enable during Sleep mode */
#define RCC_AHB1LPENR_BKPSRAMLPEN (1 << 18) /* Bit 18: Backup SRAM interface clock enable during Sleep mode */
#define RCC_AHB1LPENR_DMA1LPEN (1 << 21) /* Bit 21: DMA1 clock enable during Sleep mode */
#define RCC_AHB1LPENR_DMA2LPEN (1 << 22) /* Bit 22: DMA2 clock enable during Sleep mode */
#define RCC_AHB1LPENR_ETHMACLPEN (1 << 25) /* Bit 25: Ethernet MAC clock enable during Sleep mode */
#define RCC_AHB1LPENR_ETHMACTXLPEN (1 << 26) /* Bit 26: Ethernet Transmission clock enable during Sleep mode */
#define RCC_AHB1LPENR_ETHMACRXLPEN (1 << 27) /* Bit 27: Ethernet Reception clock enable during Sleep mode */
#define RCC_AHB1LPENR_ETHMACPTPLPEN (1 << 28) /* Bit 28: Ethernet PTP clock enable during Sleep mode */
#define RCC_AHB1LPENR_OTGHSLPEN (1 << 29) /* Bit 29: USB OTG HS clock enable during Sleep mode */
#define RCC_AHB1LPENR_OTGHSULPILPEN (1 << 30) /* Bit 30: USB OTG HSULPI clock enable during Sleep mode */
/* RCC AHB2 low power modeperipheral clock enable register */
#define RCC_AHB2LPENR_DCMILPEN (1 << 0) /* Bit 0: Camera interface enable during Sleep mode */
#define RCC_AHB2LPENR_CRYPLPEN (1 << 4) /* Bit 4: Cryptographic modules clock enable during Sleep mode */
#define RCC_AHB2LPENR_HASHLPEN (1 << 5) /* Bit 5: Hash modules clock enable during Sleep mode */
#define RCC_AHB2LPENR_RNGLPEN (1 << 6) /* Bit 6: Random number generator clock enable during Sleep mode */
#define RCC_AHB2LPENR_OTGFLPSEN (1 << 7) /* Bit 7: USB OTG FS clock enable during Sleep mode */
/* RCC AHB3 low power modeperipheral clock enable register */
#define RCC_AHB3LPENR_FSMLPEN (1 << 0) /* Bit 0: Flexible static memory controller module clock
* enable during Sleep mode */
/* RCC APB1 low power modeperipheral clock enable register */
#define RCC_APB1LPENR_TIM2LPEN (1 << 0) /* Bit 0: TIM2 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM3LPEN (1 << 1) /* Bit 1: TIM3 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM4LPEN (1 << 2) /* Bit 2: TIM4 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM5LPEN (1 << 3) /* Bit 3: TIM5 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM6LPEN (1 << 4) /* Bit 4: TIM6 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM7LPEN (1 << 5) /* Bit 5: TIM7 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM12LPEN (1 << 6) /* Bit 6: TIM12 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM13LPEN (1 << 7) /* Bit 7: TIM13 clock enable during Sleep mode */
#define RCC_APB1LPENR_TIM14LPEN (1 << 8) /* Bit 8: TIM14 clock enable during Sleep mode */
#define RCC_APB1LPENR_WWDGLPEN (1 << 11) /* Bit 11: Window watchdog clock enable during Sleep mode */
#define RCC_APB1LPENR_SPI2LPEN (1 << 14) /* Bit 14: SPI2 clock enable during Sleep mode */
#define RCC_APB1LPENR_SPI3LPEN (1 << 15) /* Bit 15: SPI3 clock enable during Sleep mode */
#define RCC_APB1LPENR_USART2LPEN (1 << 17) /* Bit 17: USART 2 clock enable during Sleep mode */
#define RCC_APB1LPENR_USART3LPEN (1 << 18) /* Bit 18: USART3 clock enable during Sleep mode */
#define RCC_APB1LPENR_UART4LPEN (1 << 19) /* Bit 19: UART4 clock enable during Sleep mode */
#define RCC_APB1LPENR_UART5LPEN (1 << 20) /* Bit 20: UART5 clock enable during Sleep mode */
#define RCC_APB1LPENR_I2C1LPEN (1 << 21) /* Bit 21: I2C1 clock enable during Sleep mode */
#define RCC_APB1LPENR_I2C2LPEN (1 << 22) /* Bit 22: I2C2 clock enable during Sleep mode */
#define RCC_APB1LPENR_I2C3LPEN (1 << 23) /* Bit 23: I2C3 clock enable during Sleep mode */
#define RCC_APB1LPENR_CAN1LPEN (1 << 25) /* Bit 25: CAN 1 clock enable during Sleep mode */
#define RCC_APB1LPENR_CAN2LPEN (1 << 26) /* Bit 26: CAN 2 clock enable during Sleep mode */
#define RCC_APB1LPENR_PWRLPEN (1 << 28) /* Bit 28: Power interface clock enable during Sleep mode */
#define RCC_APB1LPENR_DACLPEN (1 << 29) /* Bit 29: DAC interface clock enable during Sleep mode */
/* RCC APB2 low power modeperipheral clock enable register */
#define RCC_APB2LPENR_TIM1LPEN (1 << 0) /* Bit 0: TIM1 clock enable during Sleep mode */
#define RCC_APB2LPENR_TIM8LPEN (1 << 1) /* Bit 1: TIM8 clock enable during Sleep mode */
#define RCC_APB2LPENR_USART1LPEN (1 << 4) /* Bit 4: USART1 clock enable during Sleep mode */
#define RCC_APB2LPENR_USART6LPEN (1 << 5) /* Bit 5: USART6 clock enable during Sleep mode */
#define RCC_APB2LPENR_ADC1LPEN (1 << 8) /* Bit 8: ADC1 clock enable during Sleep mode */
#define RCC_APB2LPENR_ADC2LPEN (1 << 9) /* Bit 9: ADC2 clock enable during Sleep mode */
#define RCC_APB2LPENR_ADC3LPEN (1 << 10) /* Bit 10: ADC3 clock enable during Sleep mode */
#define RCC_APB2LPENR_SDIOLPEN (1 << 11) /* Bit 11: SDIO clock enable during Sleep mode */
#define RCC_APB2LPENR_SPI1LPEN (1 << 12) /* Bit 12: SPI1 clock enable during Sleep mode */
#define RCC_APB2LPENR_SYSCFGLPEN (1 << 14) /* Bit 14: System configuration controller clock enable during Sleep mode */
#define RCC_APB2LPENR_TIM9LPEN (1 << 16) /* Bit 16: TIM9 clock enable during Sleep mode */
#define RCC_APB2LPENR_TIM10LPEN (1 << 17) /* Bit 17: TIM10 clock enable during Sleep mode */
#define RCC_APB2LPENR_TIM11LPEN (1 << 18) /* Bit 18: TIM11 clock enable during Sleep mode */
/* Backup domain control register */
#define RCC_BDCR_LSEON (1 << 0) /* Bit 0: External Low Speed oscillator enable */
#define RCC_BDCR_LSERDY (1 << 1) /* Bit 1: External Low Speed oscillator Ready */
#define RCC_BDCR_LSEBYP (1 << 2) /* Bit 2: External Low Speed oscillator Bypass */
#define RCC_BDCR_RTCSEL_SHIFT (8) /* Bits 9:8: RTC clock source selection */
#define RCC_BDCR_RTCSEL_MASK (3 << RCC_BDCR_RTCSEL_SHIFT)
# define RCC_BDCR_RTCSEL_NOCLK (0 << RCC_BDCR_RTCSEL_SHIFT) /* 00: No clock */
# define RCC_BDCR_RTCSEL_LSE (1 << RCC_BDCR_RTCSEL_SHIFT) /* 01: LSE oscillator clock used as RTC clock */
# define RCC_BDCR_RTCSEL_LSI (2 << RCC_BDCR_RTCSEL_SHIFT) /* 10: LSI oscillator clock used as RTC clock */
# define RCC_BDCR_RTCSEL_HSE (3 << RCC_BDCR_RTCSEL_SHIFT) /* 11: HSE oscillator clock divided by 128 used as RTC clock */
#define RCC_BDCR_RTCEN (1 << 15) /* Bit 15: RTC clock enable */
#define RCC_BDCR_BDRST (1 << 16) /* Bit 16: Backup domain software reset */
/* Control/status register */
#define RCC_CSR_LSION (1 << 0) /* Bit 0: Internal Low Speed oscillator enable */
#define RCC_CSR_LSIRDY (1 << 1) /* Bit 1: Internal Low Speed oscillator Ready */
#define RCC_CSR_RMVF (1 << 24) /* Bit 24: Remove reset flag */
#define RCC_CSR_BORRSTF (1 << 25) /* Bit 25: BOR reset flag */
#define RCC_CSR_PINRSTF (1 << 26) /* Bit 26: PIN reset flag */
#define RCC_CSR_PORRSTF (1 << 27) /* Bit 27: POR/PDR reset flag */
#define RCC_CSR_SFTRSTF (1 << 28) /* Bit 28: Software Reset flag */
#define RCC_CSR_IWDGRSTF (1 << 29) /* Bit 29: Independent Watchdog reset flag */
#define RCC_CSR_WWDGRSTF (1 << 30) /* Bit 30: Window watchdog reset flag */
#define RCC_CSR_LPWRRSTF (1 << 31) /* Bit 31: Low-Power reset flag */
/* Spread spectrum clock generation register */
#define RCC_SSCGR_MODPER_SHIFT (0) /* Bit 0-12: Modulation period */
#define RCC_SSCGR_MODPER_MASK (0x1fff << RCC_SSCGR_MODPER_SHIFT)
# define RCC_SSCGR_MODPER(n) ((n) << RCC_SSCGR_MODPER_SHIFT)
#define RCC_SSCGR_INCSTEP_SHIFT (13) /* Bit 13-27: Incrementation step */
#define RCC_SSCGR_INCSTEP_MASK (0x7fff << RCC_SSCGR_INCSTEP_SHIFT)
# define RCC_SSCGR_INCSTEP(n) ((n) << RCC_SSCGR_INCSTEP_SHIFT)
#define RCC_SSCGR_SPREADSEL (1 << 30) /* Bit 30: Spread Select */
#define RCC_SSCGR_SSCGEN (1 << 31) /* Bit 31: Spread spectrum modulation enable */
/* PLLI2S configuration register */
#define RCC_PLLI2SCFGR_PLLI2SN_SHIFT (6) /* Bits 6-14: PLLI2S multiplication factor for VCO */
#define RCC_PLLI2SCFGR_PLLI2SN_MASK (0x1ff << RCC_PLLI2SCFGR_PLLI2SN_SHIFT)
#define RCC_PLLI2SCFGR_PLLI2SR_SHIFT (28) /* Bits 28-30: PLLI2S division factor for I2S clocks */
#define RCC_PLLI2SCFGR_PLLI2SR_MASK (7 << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32F20XXX_RCC_H */
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