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/*
* Copyright (c) 2017, 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.
*
*/
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_address.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/reset.h>
#include <linux/slab.h>
#include <dt-bindings/phy/phy.h>
/* QMP PHY QSERDES COM registers */
#define QSERDES_COM_BG_TIMER 0x00c
#define QSERDES_COM_SSC_EN_CENTER 0x010
#define QSERDES_COM_SSC_ADJ_PER1 0x014
#define QSERDES_COM_SSC_ADJ_PER2 0x018
#define QSERDES_COM_SSC_PER1 0x01c
#define QSERDES_COM_SSC_PER2 0x020
#define QSERDES_COM_SSC_STEP_SIZE1 0x024
#define QSERDES_COM_SSC_STEP_SIZE2 0x028
#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN 0x034
#define QSERDES_COM_CLK_ENABLE1 0x038
#define QSERDES_COM_SYS_CLK_CTRL 0x03c
#define QSERDES_COM_SYSCLK_BUF_ENABLE 0x040
#define QSERDES_COM_PLL_IVCO 0x048
#define QSERDES_COM_LOCK_CMP1_MODE0 0x04c
#define QSERDES_COM_LOCK_CMP2_MODE0 0x050
#define QSERDES_COM_LOCK_CMP3_MODE0 0x054
#define QSERDES_COM_LOCK_CMP1_MODE1 0x058
#define QSERDES_COM_LOCK_CMP2_MODE1 0x05c
#define QSERDES_COM_LOCK_CMP3_MODE1 0x060
#define QSERDES_COM_BG_TRIM 0x070
#define QSERDES_COM_CLK_EP_DIV 0x074
#define QSERDES_COM_CP_CTRL_MODE0 0x078
#define QSERDES_COM_CP_CTRL_MODE1 0x07c
#define QSERDES_COM_PLL_RCTRL_MODE0 0x084
#define QSERDES_COM_PLL_RCTRL_MODE1 0x088
#define QSERDES_COM_PLL_CCTRL_MODE0 0x090
#define QSERDES_COM_PLL_CCTRL_MODE1 0x094
#define QSERDES_COM_BIAS_EN_CTRL_BY_PSM 0x0a8
#define QSERDES_COM_SYSCLK_EN_SEL 0x0ac
#define QSERDES_COM_RESETSM_CNTRL 0x0b4
#define QSERDES_COM_RESTRIM_CTRL 0x0bc
#define QSERDES_COM_RESCODE_DIV_NUM 0x0c4
#define QSERDES_COM_LOCK_CMP_EN 0x0c8
#define QSERDES_COM_LOCK_CMP_CFG 0x0cc
#define QSERDES_COM_DEC_START_MODE0 0x0d0
#define QSERDES_COM_DEC_START_MODE1 0x0d4
#define QSERDES_COM_DIV_FRAC_START1_MODE0 0x0dc
#define QSERDES_COM_DIV_FRAC_START2_MODE0 0x0e0
#define QSERDES_COM_DIV_FRAC_START3_MODE0 0x0e4
#define QSERDES_COM_DIV_FRAC_START1_MODE1 0x0e8
#define QSERDES_COM_DIV_FRAC_START2_MODE1 0x0ec
#define QSERDES_COM_DIV_FRAC_START3_MODE1 0x0f0
#define QSERDES_COM_INTEGLOOP_GAIN0_MODE0 0x108
#define QSERDES_COM_INTEGLOOP_GAIN1_MODE0 0x10c
#define QSERDES_COM_INTEGLOOP_GAIN0_MODE1 0x110
#define QSERDES_COM_INTEGLOOP_GAIN1_MODE1 0x114
#define QSERDES_COM_VCO_TUNE_CTRL 0x124
#define QSERDES_COM_VCO_TUNE_MAP 0x128
#define QSERDES_COM_VCO_TUNE1_MODE0 0x12c
#define QSERDES_COM_VCO_TUNE2_MODE0 0x130
#define QSERDES_COM_VCO_TUNE1_MODE1 0x134
#define QSERDES_COM_VCO_TUNE2_MODE1 0x138
#define QSERDES_COM_VCO_TUNE_TIMER1 0x144
#define QSERDES_COM_VCO_TUNE_TIMER2 0x148
#define QSERDES_COM_BG_CTRL 0x170
#define QSERDES_COM_CLK_SELECT 0x174
#define QSERDES_COM_HSCLK_SEL 0x178
#define QSERDES_COM_CORECLK_DIV 0x184
#define QSERDES_COM_CORE_CLK_EN 0x18c
#define QSERDES_COM_C_READY_STATUS 0x190
#define QSERDES_COM_CMN_CONFIG 0x194
#define QSERDES_COM_SVS_MODE_CLK_SEL 0x19c
#define QSERDES_COM_DEBUG_BUS0 0x1a0
#define QSERDES_COM_DEBUG_BUS1 0x1a4
#define QSERDES_COM_DEBUG_BUS2 0x1a8
#define QSERDES_COM_DEBUG_BUS3 0x1ac
#define QSERDES_COM_DEBUG_BUS_SEL 0x1b0
#define QSERDES_COM_CORECLK_DIV_MODE1 0x1bc
/* QMP PHY TX registers */
#define QSERDES_TX_RES_CODE_LANE_OFFSET 0x054
#define QSERDES_TX_DEBUG_BUS_SEL 0x064
#define QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN 0x068
#define QSERDES_TX_LANE_MODE 0x094
#define QSERDES_TX_RCV_DETECT_LVL_2 0x0ac
/* QMP PHY RX registers */
#define QSERDES_RX_UCDR_SO_GAIN_HALF 0x010
#define QSERDES_RX_UCDR_SO_GAIN 0x01c
#define QSERDES_RX_UCDR_FASTLOCK_FO_GAIN 0x040
#define QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE 0x048
#define QSERDES_RX_RX_TERM_BW 0x090
#define QSERDES_RX_RX_EQ_GAIN1_LSB 0x0c4
#define QSERDES_RX_RX_EQ_GAIN1_MSB 0x0c8
#define QSERDES_RX_RX_EQ_GAIN2_LSB 0x0cc
#define QSERDES_RX_RX_EQ_GAIN2_MSB 0x0d0
#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2 0x0d8
#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3 0x0dc
#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4 0x0e0
#define QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1 0x108
#define QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2 0x10c
#define QSERDES_RX_SIGDET_ENABLES 0x110
#define QSERDES_RX_SIGDET_CNTRL 0x114
#define QSERDES_RX_SIGDET_LVL 0x118
#define QSERDES_RX_SIGDET_DEGLITCH_CNTRL 0x11c
#define QSERDES_RX_RX_BAND 0x120
#define QSERDES_RX_RX_INTERFACE_MODE 0x12c
/* QMP PHY PCS registers */
#define QPHY_POWER_DOWN_CONTROL 0x04
#define QPHY_TXDEEMPH_M6DB_V0 0x24
#define QPHY_TXDEEMPH_M3P5DB_V0 0x28
#define QPHY_ENDPOINT_REFCLK_DRIVE 0x54
#define QPHY_RX_IDLE_DTCT_CNTRL 0x58
#define QPHY_POWER_STATE_CONFIG1 0x60
#define QPHY_POWER_STATE_CONFIG2 0x64
#define QPHY_POWER_STATE_CONFIG4 0x6c
#define QPHY_LOCK_DETECT_CONFIG1 0x80
#define QPHY_LOCK_DETECT_CONFIG2 0x84
#define QPHY_LOCK_DETECT_CONFIG3 0x88
#define QPHY_PWRUP_RESET_DLY_TIME_AUXCLK 0xa0
#define QPHY_LP_WAKEUP_DLY_TIME_AUXCLK 0xa4
#define QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB 0x1A8
#define QPHY_OSC_DTCT_ACTIONS 0x1AC
#define QPHY_RX_SIGDET_LVL 0x1D8
#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB 0x1DC
#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB 0x1E0
/* QPHY_SW_RESET bit */
#define SW_RESET BIT(0)
/* QPHY_POWER_DOWN_CONTROL */
#define SW_PWRDN BIT(0)
#define REFCLK_DRV_DSBL BIT(1)
/* QPHY_START_CONTROL bits */
#define SERDES_START BIT(0)
#define PCS_START BIT(1)
#define PLL_READY_GATE_EN BIT(3)
/* QPHY_PCS_STATUS bit */
#define PHYSTATUS BIT(6)
/* QPHY_COM_PCS_READY_STATUS bit */
#define PCS_READY BIT(0)
#define PHY_INIT_COMPLETE_TIMEOUT 1000
#define POWER_DOWN_DELAY_US_MIN 10
#define POWER_DOWN_DELAY_US_MAX 11
#define MAX_PROP_NAME 32
struct qmp_phy_init_tbl {
unsigned int offset;
unsigned int val;
/*
* register part of layout ?
* if yes, then offset gives index in the reg-layout
*/
int in_layout;
};
#define QMP_PHY_INIT_CFG(o, v) \
{ \
.offset = o, \
.val = v, \
}
#define QMP_PHY_INIT_CFG_L(o, v) \
{ \
.offset = o, \
.val = v, \
.in_layout = 1, \
}
/* set of registers with offsets different per-PHY */
enum
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