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/*
 * (C) Copyright 2016
 * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _STM32_RCC_H
#define _STM32_RCC_H

#define RCC_CR		0x00	/* clock control */
#define RCC_PLLCFGR	0x04	/* PLL configuration */
#define RCC_CFGR	0x08	/* clock configuration */
#define RCC_CIR		0x0C	/* clock interrupt */
#define RCC_AHB1RSTR	0x10	/* AHB1 peripheral reset */
#define RCC_AHB2RSTR	0x14	/* AHB2 peripheral reset */
#define RCC_AHB3RSTR	0x18	/* AHB3 peripheral reset */
#define RCC_APB1RSTR	0x20	/* APB1 peripheral reset */
#define RCC_APB2RSTR	0x24	/* APB2 peripheral reset */
#define RCC_AHB1ENR	0x30	/* AHB1 peripheral clock enable */
#define RCC_AHB2ENR	0x34	/* AHB2 peripheral clock enable */
#define RCC_AHB3ENR	0x38	/* AHB3 peripheral clock enable */
#define RCC_APB1ENR	0x40	/* APB1 peripheral clock enable */
#define RCC_APB2ENR	0x44	/* APB2 peripheral clock enable */
#define RCC_AHB1LPENR	0x50	/* periph clk enable in low pwr mode */
#define RCC_AHB2LPENR	0x54	/* AHB2 periph clk enable in low pwr mode */
#define RCC_AHB3LPENR	0x58	/* AHB3 periph clk enable in low pwr mode */
#define RCC_APB1LPENR	0x60	/* APB1 periph clk enable in low pwr mode */
#define RCC_APB2LPENR	0x64	/* APB2 periph clk enable in low pwr mode */
#define RCC_BDCR	0x70	/* Backup domain control */
#define RCC_CSR		0x74	/* clock control & status */
#define RCC_SSCGR	0x80	/* spread spectrum clock generation */
#define RCC_PLLI2SCFGR	0x84	/* PLLI2S configuration */
#define RCC_PLLSAICFG	0x88	/* PLLSAI configuration */
#define RCC_DCKCFG1	0x8C	/* dedicated clocks configuration register */
#define RCC_DCKCFG2	0x90	/* dedicated clocks configuration register */

#define RCC_APB1ENR_TIM2EN		(1 << 0)
#define RCC_APB1ENR_PWREN		(1 << 28)

/*
 * RCC USART specific definitions
 */
#define RCC_ENR_USART1EN		(1 << 4)
#define RCC_ENR_USART2EN		(1 << 17)
#define RCC_ENR_USART3EN		(1 << 18)
#define RCC_ENR_USART6EN		(1 <<  5)

/*
 * RCC GPIO specific definitions
 */
#define RCC_ENR_GPIO_A_EN		(1 << 0)
#define RCC_ENR_GPIO_B_EN		(1 << 1)
#define RCC_ENR_GPIO_C_EN		(1 << 2)
#define RCC_ENR_GPIO_D_EN		(1 << 3)
#define RCC_ENR_GPIO_E_EN		(1 << 4)
#define RCC_ENR_GPIO_F_EN		(1 << 5)
#define RCC_ENR_GPIO_G_EN		(1 << 6)
#define RCC_ENR_GPIO_H_EN		(1 << 7)
#define RCC_ENR_GPIO_I_EN		(1 << 8)
#define RCC_ENR_GPIO_J_EN		(1 << 9)
#define RCC_ENR_GPIO_K_EN		(1 << 10)

#endif