u-boot/arch/arm/include/asm/arch-mx7ulp/clock.h
Ye Li d4dcee2213 imx: mx7ulp: Implement the clock functions for i2c driver
Implement the i2c clock enable and get function for mx7ulp. These
functions are required by imx_lpi2c driver.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
2017-03-17 09:27:08 +01:00

42 lines
858 B
C

/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_ARCH_CLOCK_H
#define _ASM_ARCH_CLOCK_H
#include <common.h>
#include <asm/arch/pcc.h>
#include <asm/arch/scg.h>
/* Mainly for compatible to imx common code. */
enum mxc_clock {
MXC_ARM_CLK = 0,
MXC_AHB_CLK,
MXC_IPG_CLK,
MXC_UART_CLK,
MXC_CSPI_CLK,
MXC_AXI_CLK,
MXC_DDR_CLK,
MXC_ESDHC_CLK,
MXC_ESDHC2_CLK,
MXC_I2C_CLK,
};
u32 mxc_get_clock(enum mxc_clock clk);
u32 get_lpuart_clk(void);
#ifdef CONFIG_SYS_LPI2C_IMX
int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
u32 imx_get_i2cclk(unsigned i2c_num);
#endif
#ifdef CONFIG_MXC_OCOTP
void enable_ocotp_clk(unsigned char enable);
#endif
#ifdef CONFIG_USB_EHCI
void enable_usboh3_clk(unsigned char enable);
#endif
void init_clk_usdhc(u32 index);
void clock_init(void);
#endif