linux-imx

/*

 * Copyright (c) 2014 Linaro Ltd.

 * Copyright (c) 2014 Hisilicon Limited.

 *

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

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 */

​

#include <linux/delay.h>

#include <linux/io.h>

#include <linux/mfd/syscon.h>

#include <linux/module.h>

#include <linux/phy/phy.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

​

#define SATA_PHY0_CTLL      0xa0

#define MPLL_MULTIPLIER_SHIFT   1

#define MPLL_MULTIPLIER_MASK    0xfe

#define MPLL_MULTIPLIER_50M 0x3c

#define MPLL_MULTIPLIER_100M    0x1e

#define PHY_RESET       BIT(0)

#define REF_SSP_EN      BIT(9)

#define SSC_EN          BIT(10)

#define REF_USE_PAD     BIT(23)

​

#define SATA_PORT_PHYCTL    0x174

#define SPEED_MODE_MASK     0x6f0000

#define HALF_RATE_SHIFT     16

#define PHY_CONFIG_SHIFT    18

#define GEN2_EN_SHIFT       21

#define SPEED_CTRL      BIT(20)

​

#define SATA_PORT_PHYCTL1   0x148

#define AMPLITUDE_MASK      0x3ffffe

#define AMPLITUDE_GEN3      0x68

#define AMPLITUDE_GEN3_SHIFT    15

#define AMPLITUDE_GEN2      0x56

#define AMPLITUDE_GEN2_SHIFT    8

#define AMPLITUDE_GEN1      0x56

#define AMPLITUDE_GEN1_SHIFT    1

​

#define SATA_PORT_PHYCTL2   0x14c

#define PREEMPH_MASK        0x3ffff

#define PREEMPH_GEN3        0x20

#define PREEMPH_GEN3_SHIFT  12

#define PREEMPH_GEN2        0x15

#define PREEMPH_GEN2_SHIFT  6

#define PREEMPH_GEN1        0x5

#define PREEMPH_GEN1_SHIFT  0

​

struct hix5hd2_priv {

    void __iomem    *base;

    struct regmap   *peri_ctrl;

};

​

enum phy_speed_mode {

    SPEED_MODE_GEN1 = 0,

    SPEED_MODE_GEN2 = 1,

    SPEED_MODE_GEN3 = 2,

};