xref: /openbmc/linux/drivers/phy/samsung/phy-fsd-ufs.c (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1f1b2d06dSAlim Akhtar // SPDX-License-Identifier: GPL-2.0-only
2f1b2d06dSAlim Akhtar /*
3f1b2d06dSAlim Akhtar  * UFS PHY driver data for FSD SoC
4f1b2d06dSAlim Akhtar  *
5f1b2d06dSAlim Akhtar  * Copyright (C) 2022 Samsung Electronics Co., Ltd.
6f1b2d06dSAlim Akhtar  *
7f1b2d06dSAlim Akhtar  */
8f1b2d06dSAlim Akhtar #include "phy-samsung-ufs.h"
9f1b2d06dSAlim Akhtar 
10f1b2d06dSAlim Akhtar #define FSD_EMBEDDED_COMBO_PHY_CTRL	0x724
11f1b2d06dSAlim Akhtar #define FSD_EMBEDDED_COMBO_PHY_CTRL_MASK	0x1
12f1b2d06dSAlim Akhtar #define FSD_EMBEDDED_COMBO_PHY_CTRL_EN	BIT(0)
13f1b2d06dSAlim Akhtar #define FSD_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS	0x6e
14f1b2d06dSAlim Akhtar 
15f1b2d06dSAlim Akhtar static const struct samsung_ufs_phy_cfg fsd_pre_init_cfg[] = {
16f1b2d06dSAlim Akhtar 	PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY),
17f1b2d06dSAlim Akhtar 	PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_ANY),
18f1b2d06dSAlim Akhtar 	PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_ANY),
19f1b2d06dSAlim Akhtar 	PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_ANY),
20f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x035, 0x58, PWR_MODE_ANY),
21f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_ANY),
22f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x037, 0x40, PWR_MODE_ANY),
23f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x03b, 0x83, PWR_MODE_ANY),
24f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_ANY),
25f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_ANY),
26f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_ANY),
27f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x04c, 0x5b, PWR_MODE_ANY),
28f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_ANY),
29f1b2d06dSAlim Akhtar 	PHY_TRSV_REG_CFG(0x05c, 0x14, PWR_MODE_ANY),
30f1b2d06dSAlim Akhtar 	END_UFS_PHY_CFG
31f1b2d06dSAlim Akhtar };
32f1b2d06dSAlim Akhtar 
33f1b2d06dSAlim Akhtar /* Calibration for HS mode series A/B */
34f1b2d06dSAlim Akhtar static const struct samsung_ufs_phy_cfg fsd_pre_pwr_hs_cfg[] = {
35f1b2d06dSAlim Akhtar 	END_UFS_PHY_CFG
36f1b2d06dSAlim Akhtar };
37f1b2d06dSAlim Akhtar 
38f1b2d06dSAlim Akhtar /* Calibration for HS mode series A/B atfer PMC */
39f1b2d06dSAlim Akhtar static const struct samsung_ufs_phy_cfg fsd_post_pwr_hs_cfg[] = {
40f1b2d06dSAlim Akhtar 	END_UFS_PHY_CFG
41f1b2d06dSAlim Akhtar };
42f1b2d06dSAlim Akhtar 
43f1b2d06dSAlim Akhtar static const struct samsung_ufs_phy_cfg *fsd_ufs_phy_cfgs[CFG_TAG_MAX] = {
44f1b2d06dSAlim Akhtar 	[CFG_PRE_INIT]		= fsd_pre_init_cfg,
45f1b2d06dSAlim Akhtar 	[CFG_PRE_PWR_HS]	= fsd_pre_pwr_hs_cfg,
46f1b2d06dSAlim Akhtar 	[CFG_POST_PWR_HS]	= fsd_post_pwr_hs_cfg,
47f1b2d06dSAlim Akhtar };
48f1b2d06dSAlim Akhtar 
49*8d5bb683SChanho Park static const char * const fsd_ufs_phy_clks[] = {
50*8d5bb683SChanho Park 	"ref_clk",
51*8d5bb683SChanho Park };
52*8d5bb683SChanho Park 
53f1b2d06dSAlim Akhtar const struct samsung_ufs_phy_drvdata fsd_ufs_phy = {
54f1b2d06dSAlim Akhtar 	.cfgs = fsd_ufs_phy_cfgs,
55f1b2d06dSAlim Akhtar 	.isol = {
56f1b2d06dSAlim Akhtar 		.offset = FSD_EMBEDDED_COMBO_PHY_CTRL,
57f1b2d06dSAlim Akhtar 		.mask = FSD_EMBEDDED_COMBO_PHY_CTRL_MASK,
58f1b2d06dSAlim Akhtar 		.en = FSD_EMBEDDED_COMBO_PHY_CTRL_EN,
59f1b2d06dSAlim Akhtar 	},
60*8d5bb683SChanho Park 	.clk_list = fsd_ufs_phy_clks,
61*8d5bb683SChanho Park 	.num_clks = ARRAY_SIZE(fsd_ufs_phy_clks),
62f1b2d06dSAlim Akhtar 	.cdr_lock_status_offset = FSD_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS,
63f1b2d06dSAlim Akhtar };
64