Files
cubelinux-kernel/drivers/phy/samsung/phy-exynosautov9-ufs.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

76 lines
2.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* UFS PHY driver data for Samsung EXYNOSAUTO v9 SoC
*
* Copyright (C) 2021 Samsung Electronics Co., Ltd.
*/
#include "phy-samsung-ufs.h"
#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL 0x728
#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1
#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0)
#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS 0x5e
#define PHY_TRSV_REG_CFG_AUTOV9(o, v, d) \
PHY_TRSV_REG_CFG_OFFSET(o, v, d, 0x50)
/* Calibration for phy initialization */
static const struct samsung_ufs_phy_cfg exynosautov9_pre_init_cfg[] = {
PHY_COMN_REG_CFG(0x023, 0x80, PWR_MODE_ANY),
PHY_COMN_REG_CFG(0x01d, 0x10, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x044, 0xb5, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x04d, 0x43, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x05b, 0x20, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x05e, 0xc0, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x038, 0x12, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x059, 0x58, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x06c, 0x18, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x06d, 0x02, PWR_MODE_ANY),
PHY_COMN_REG_CFG(0x023, 0xc0, PWR_MODE_ANY),
PHY_COMN_REG_CFG(0x023, 0x00, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x042, 0x5d, PWR_MODE_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x043, 0x80, PWR_MODE_ANY),
END_UFS_PHY_CFG,
};
/* Calibration for HS mode series A/B */
static const struct samsung_ufs_phy_cfg exynosautov9_pre_pwr_hs_cfg[] = {
PHY_TRSV_REG_CFG_AUTOV9(0x032, 0xbc, PWR_MODE_HS_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x03c, 0x7f, PWR_MODE_HS_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x048, 0xc0, PWR_MODE_HS_ANY),
PHY_TRSV_REG_CFG_AUTOV9(0x04a, 0x00, PWR_MODE_HS_G3_SER_B),
PHY_TRSV_REG_CFG_AUTOV9(0x04b, 0x10, PWR_MODE_HS_G1_SER_B |
PWR_MODE_HS_G3_SER_B),
PHY_TRSV_REG_CFG_AUTOV9(0x04d, 0x63, PWR_MODE_HS_G3_SER_B),
END_UFS_PHY_CFG,
};
static const struct samsung_ufs_phy_cfg *exynosautov9_ufs_phy_cfgs[CFG_TAG_MAX] = {
[CFG_PRE_INIT] = exynosautov9_pre_init_cfg,
[CFG_PRE_PWR_HS] = exynosautov9_pre_pwr_hs_cfg,
};
static const char * const exynosautov9_ufs_phy_clks[] = {
"ref_clk",
};
const struct samsung_ufs_phy_drvdata exynosautov9_ufs_phy = {
.cfgs = exynosautov9_ufs_phy_cfgs,
.isol = {
.offset = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL,
.mask = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_MASK,
.en = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_EN,
},
.clk_list = exynosautov9_ufs_phy_clks,
.num_clks = ARRAY_SIZE(exynosautov9_ufs_phy_clks),
.cdr_lock_status_offset = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS,
.wait_for_cdr = samsung_ufs_phy_wait_for_lock_acq,
};