linux-imx

/*

 * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * Common Clock Framework support for S3C2443 and following SoCs.

 */

​

#include <linux/clk-provider.h>

#include <linux/of.h>

#include <linux/of_address.h>

#include <linux/reboot.h>

​

#include <dt-bindings/clock/s3c2443.h>

​

#include "clk.h"

#include "clk-pll.h"

​

/* S3C2416 clock controller register offsets */

#define LOCKCON0    0x00

#define LOCKCON1    0x04

#define MPLLCON     0x10

#define EPLLCON     0x18

#define EPLLCON_K   0x1C

#define CLKSRC      0x20

#define CLKDIV0     0x24

#define CLKDIV1     0x28

#define CLKDIV2     0x2C

#define HCLKCON     0x30

#define PCLKCON     0x34

#define SCLKCON     0x38

#define SWRST       0x44

​

/* the soc types */

enum supported_socs {

    S3C2416,

    S3C2443,

    S3C2450,

};

​

static void __iomem *reg_base;

​

/*

 * list of controller registers to be saved and restored during a

 * suspend/resume cycle.

 */

static unsigned long s3c2443_clk_regs[] __initdata = {

    LOCKCON0,

    LOCKCON1,

    MPLLCON,

    EPLLCON,

    EPLLCON_K,

    CLKSRC,

    CLKDIV0,

    CLKDIV1,

    CLKDIV2,

    PCLKCON,

    HCLKCON,

    SCLKCON,

};

​