summaryrefslogblamecommitdiff
path: root/drivers/phy/samsung/phy-exynos7-ufs.c
blob: a982e7c128c5fc6b84232e76c3778f12fff8f8e7 (plain) (tree) 
b95637e2da15 ^

bca21e930451 ^





bca21e930451 ^







e313216b5281 ^


bca21e930451 ^























































8d5bb683d50a ^




b95637e2da15 ^

558801e82e0d ^

bca21e930451 ^





8d5bb683d50a ^


e313216b5281 ^

bca21e930451 ^

1

2
3
4
5
6

7
8
9
10
11
12
13

14
15

16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

71
72
73
74

75

76

77
78
79
80
81

82
83

84

85

                                        




                                                   






                                                      

                                                            






















































                                                                              



                                                                        
                                                        
                                     




                                                             

                                                     
                                                                             
  
// SPDX-License-Identifier: GPL-2.0-only
/*
 * UFS PHY driver data for Samsung EXYNOS7 SoC
 *
 * Copyright (C) 2020 Samsung Electronics Co., Ltd.
 */

#include "phy-samsung-ufs.h"

#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL	0x720
#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK	0x1
#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN	BIT(0)

#define EXYNOS7_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS	0x5e

/* Calibration for phy initialization */
static const struct samsung_ufs_phy_cfg exynos7_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, 0x84, 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 exynos7_pre_pwr_hs_cfg[] = {
	PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_HS_ANY),
	PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_HS_ANY),
	PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_HS_ANY),
	/* Setting order: 1st(0x16, 2nd(0x15) */
	PHY_COMN_REG_CFG(0x016, 0xff, PWR_MODE_HS_ANY),
	PHY_COMN_REG_CFG(0x015, 0x80, PWR_MODE_HS_ANY),
	PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_HS_ANY),
	PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_HS_ANY),
	PHY_TRSV_REG_CFG(0x037, 0x43, PWR_MODE_HS_ANY),
	PHY_TRSV_REG_CFG(0x038, 0x3f, PWR_MODE_HS_ANY),
	PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_HS_G2_SER_A),
	PHY_TRSV_REG_CFG(0x042, 0xbb, PWR_MODE_HS_G2_SER_B),
	PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_HS_ANY),
	PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_HS_ANY),
	PHY_TRSV_REG_CFG(0x034, 0x35, PWR_MODE_HS_G2_SER_A),
	PHY_TRSV_REG_CFG(0x034, 0x36, PWR_MODE_HS_G2_SER_B),
	PHY_TRSV_REG_CFG(0x035, 0x5b, PWR_MODE_HS_G2_SER_A),
	PHY_TRSV_REG_CFG(0x035, 0x5c, PWR_MODE_HS_G2_SER_B),
	END_UFS_PHY_CFG
};

/* Calibration for HS mode series A/B atfer PMC */
static const struct samsung_ufs_phy_cfg exynos7_post_pwr_hs_cfg[] = {
	PHY_COMN_REG_CFG(0x015, 0x00, PWR_MODE_HS_ANY),
	PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_HS_ANY),
	END_UFS_PHY_CFG
};

static const struct samsung_ufs_phy_cfg *exynos7_ufs_phy_cfgs[CFG_TAG_MAX] = {
	[CFG_PRE_INIT]		= exynos7_pre_init_cfg,
	[CFG_PRE_PWR_HS]	= exynos7_pre_pwr_hs_cfg,
	[CFG_POST_PWR_HS]	= exynos7_post_pwr_hs_cfg,
};

static const char * const exynos7_ufs_phy_clks[] = {
	"tx0_symbol_clk", "rx0_symbol_clk", "rx1_symbol_clk", "ref_clk",
};

const struct samsung_ufs_phy_drvdata exynos7_ufs_phy = {
	.cfgs = exynos7_ufs_phy_cfgs,
	.isol = {
		.offset = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL,
		.mask = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK,
		.en = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN,
	},
	.clk_list = exynos7_ufs_phy_clks,
	.num_clks = ARRAY_SIZE(exynos7_ufs_phy_clks),
	.cdr_lock_status_offset = EXYNOS7_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS,
};