linuxdebug/drivers/phy/samsung/phy-fsd-ufs.c

64 lines
1.9 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* UFS PHY driver data for FSD SoC
*
* Copyright (C) 2022 Samsung Electronics Co., Ltd.
*
*/
#include "phy-samsung-ufs.h"
#define FSD_EMBEDDED_COMBO_PHY_CTRL 0x724
#define FSD_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1
#define FSD_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0)
#define FSD_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS 0x6e
static const struct samsung_ufs_phy_cfg fsd_pre_init_cfg[] = {
PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY),
PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_ANY),
PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_ANY),
PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x035, 0x58, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x037, 0x40, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x03b, 0x83, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x04c, 0x5b, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_ANY),
PHY_TRSV_REG_CFG(0x05c, 0x14, PWR_MODE_ANY),
END_UFS_PHY_CFG
};
/* Calibration for HS mode series A/B */
static const struct samsung_ufs_phy_cfg fsd_pre_pwr_hs_cfg[] = {
END_UFS_PHY_CFG
};
/* Calibration for HS mode series A/B atfer PMC */
static const struct samsung_ufs_phy_cfg fsd_post_pwr_hs_cfg[] = {
END_UFS_PHY_CFG
};
static const struct samsung_ufs_phy_cfg *fsd_ufs_phy_cfgs[CFG_TAG_MAX] = {
[CFG_PRE_INIT] = fsd_pre_init_cfg,
[CFG_PRE_PWR_HS] = fsd_pre_pwr_hs_cfg,
[CFG_POST_PWR_HS] = fsd_post_pwr_hs_cfg,
};
static const char * const fsd_ufs_phy_clks[] = {
"ref_clk",
};
const struct samsung_ufs_phy_drvdata fsd_ufs_phy = {
.cfgs = fsd_ufs_phy_cfgs,
.isol = {
.offset = FSD_EMBEDDED_COMBO_PHY_CTRL,
.mask = FSD_EMBEDDED_COMBO_PHY_CTRL_MASK,
.en = FSD_EMBEDDED_COMBO_PHY_CTRL_EN,
},
.clk_list = fsd_ufs_phy_clks,
.num_clks = ARRAY_SIZE(fsd_ufs_phy_clks),
.cdr_lock_status_offset = FSD_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS,
};