arch/arm/include/asm/arch-ipq6018/clk.h

/*
 * Copyright (c) 2015-2016, 2018 The Linux Foundation. All rights reserved.

 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef IPQ6018_CLK_H
#define IPQ6018_CLK_H

#include <asm/arch-qca-common/uart.h>

/* I2C clocks configuration */
#ifdef CONFIG_IPQ6018_I2C

#define GCC_BLSP1_QUP1_I2C_APPS_CFG_RCGR		0x1802010
#define GCC_BLSP1_QUP1_I2C_APPS_CFG_RCGR_SRC_SEL	(1 << 8)
#define GCC_BLSP1_QUP1_I2C_APPS_CFG_RCGR_SRC_DIV	(0x1F << 0)

#define GCC_BLSP1_QUP1_I2C_APPS_CMD_RCGR	0x180200C
#define GCC_BLSP1_QUP1_I2C_APPS_CBCR		0x1802008

#define CMD_UPDATE	0x1
#define ROOT_EN		0x2
#define CLK_ENABLE	0x1

void i2c_clock_config(void);
#endif

#define GCC_BLSP1_UART1_BCR	0x1802038
#define GCC_BLSP1_UART2_BCR	0x1803028
#define GCC_BLSP1_UART3_BCR	0x1804028
#define GCC_BLSP1_UART4_BCR	0x1805028
#define GCC_BLSP1_UART5_BCR	0x1806028
#define GCC_BLSP1_UART6_BCR	0x1807028

#define GCC_BLSP1_UART_BCR(id)	((id < 1) ? \
				(GCC_BLSP1_UART1_BCR):\
				(GCC_BLSP1_UART1_BCR + (0x1000 * id) - 0x10))

#define GCC_BLSP1_UART_APPS_CBCR(id)		(GCC_BLSP1_UART_BCR(id) + 0x04)
#define GCC_BLSP1_UART_APPS_CMD_RCGR(id)	(GCC_BLSP1_UART_BCR(id) + 0x0C)
#define GCC_BLSP1_UART_APPS_CFG_RCGR(id)	(GCC_BLSP1_UART_BCR(id) + 0x10)
#define GCC_BLSP1_UART_APPS_M(id)	    	(GCC_BLSP1_UART_BCR(id) + 0x14)
#define GCC_BLSP1_UART_APPS_N(id)	    	(GCC_BLSP1_UART_BCR(id) + 0x18)
#define GCC_BLSP1_UART_APPS_D(id)	    	(GCC_BLSP1_UART_BCR(id) + 0x1C)

#define GCC_UART_CFG_RCGR_MODE_MASK	0x3000
#define GCC_UART_CFG_RCGR_SRCSEL_MASK	0x0700
#define GCC_UART_CFG_RCGR_SRCDIV_MASK	0x001F

#define GCC_UART_CFG_RCGR_MODE_SHIFT	12
#define GCC_UART_CFG_RCGR_SRCSEL_SHIFT	8
#define GCC_UART_CFG_RCGR_SRCDIV_SHIFT	0

#define UART_RCGR_SRC_SEL	0x1
#define UART_RCGR_SRC_DIV	0x0
#define UART_RCGR_MODE		0x2
#define UART_CMD_RCGR_UPDATE	0x1
#define UART_CBCR_CLK_ENABLE	0x1

#define NOT_2D(two_d)		(~two_d)
#define NOT_N_MINUS_M(n,m)	(~(n - m))
#define CLOCK_UPDATE_TIMEOUT_US	1000

int uart_clock_config(struct ipq_serial_platdata *plat);

#endif /*IPQ6018_CLK_H*/