mirror of
https://github.com/torvalds/linux.git
synced 2024-11-16 17:12:06 +00:00
d64519249e
This patch adds to support phy-exynosautov9-ufs driver for ExynosAuto v9 series SoCs. The patch adds "samsung,exynosautov9-ufs-phy" compatible. Unlike previous exynos ufs phy, the chip uses 0x50 offset as PHY_TRSV_REG_CFG_OFFSET. Signed-off-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210709094524.110193-3-chanho61.park@samsung.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
68 lines
2.2 KiB
C
68 lines
2.2 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 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(0x042, 0x5d, PWR_MODE_ANY),
|
|
PHY_TRSV_REG_CFG(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(0x032, 0xbc, PWR_MODE_HS_ANY),
|
|
PHY_TRSV_REG_CFG(0x03c, 0x7f, PWR_MODE_HS_ANY),
|
|
PHY_TRSV_REG_CFG(0x048, 0xc0, PWR_MODE_HS_ANY),
|
|
|
|
PHY_TRSV_REG_CFG(0x04a, 0x00, PWR_MODE_HS_G3_SER_B),
|
|
PHY_TRSV_REG_CFG(0x04b, 0x10, PWR_MODE_HS_G1_SER_B |
|
|
PWR_MODE_HS_G3_SER_B),
|
|
PHY_TRSV_REG_CFG(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,
|
|
};
|
|
|
|
const struct samsung_ufs_phy_drvdata exynosautov9_ufs_phy = {
|
|
.cfg = 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,
|
|
},
|
|
.has_symbol_clk = 0,
|
|
};
|