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[releases.git] / samsung / phy-exynos7-ufs.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * UFS PHY driver data for Samsung EXYNOS7 SoC
4  *
5  * Copyright (C) 2020 Samsung Electronics Co., Ltd.
6  */
7
8 #include "phy-samsung-ufs.h"
9
10 #define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL 0x720
11 #define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK    0x1
12 #define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN      BIT(0)
13
14 /* Calibration for phy initialization */
15 static const struct samsung_ufs_phy_cfg exynos7_pre_init_cfg[] = {
16         PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY),
17         PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_ANY),
18         PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_ANY),
19         PHY_COMN_REG_CFG(0x017, 0x84, PWR_MODE_ANY),
20         PHY_TRSV_REG_CFG(0x035, 0x58, PWR_MODE_ANY),
21         PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_ANY),
22         PHY_TRSV_REG_CFG(0x037, 0x40, PWR_MODE_ANY),
23         PHY_TRSV_REG_CFG(0x03b, 0x83, PWR_MODE_ANY),
24         PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_ANY),
25         PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_ANY),
26         PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_ANY),
27         PHY_TRSV_REG_CFG(0x04c, 0x5b, PWR_MODE_ANY),
28         PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_ANY),
29         PHY_TRSV_REG_CFG(0x05c, 0x14, PWR_MODE_ANY),
30         END_UFS_PHY_CFG
31 };
32
33 /* Calibration for HS mode series A/B */
34 static const struct samsung_ufs_phy_cfg exynos7_pre_pwr_hs_cfg[] = {
35         PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_HS_ANY),
36         PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_HS_ANY),
37         PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_HS_ANY),
38         /* Setting order: 1st(0x16, 2nd(0x15) */
39         PHY_COMN_REG_CFG(0x016, 0xff, PWR_MODE_HS_ANY),
40         PHY_COMN_REG_CFG(0x015, 0x80, PWR_MODE_HS_ANY),
41         PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_HS_ANY),
42         PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_HS_ANY),
43         PHY_TRSV_REG_CFG(0x037, 0x43, PWR_MODE_HS_ANY),
44         PHY_TRSV_REG_CFG(0x038, 0x3f, PWR_MODE_HS_ANY),
45         PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_HS_G2_SER_A),
46         PHY_TRSV_REG_CFG(0x042, 0xbb, PWR_MODE_HS_G2_SER_B),
47         PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_HS_ANY),
48         PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_HS_ANY),
49         PHY_TRSV_REG_CFG(0x034, 0x35, PWR_MODE_HS_G2_SER_A),
50         PHY_TRSV_REG_CFG(0x034, 0x36, PWR_MODE_HS_G2_SER_B),
51         PHY_TRSV_REG_CFG(0x035, 0x5b, PWR_MODE_HS_G2_SER_A),
52         PHY_TRSV_REG_CFG(0x035, 0x5c, PWR_MODE_HS_G2_SER_B),
53         END_UFS_PHY_CFG
54 };
55
56 /* Calibration for HS mode series A/B atfer PMC */
57 static const struct samsung_ufs_phy_cfg exynos7_post_pwr_hs_cfg[] = {
58         PHY_COMN_REG_CFG(0x015, 0x00, PWR_MODE_HS_ANY),
59         PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_HS_ANY),
60         END_UFS_PHY_CFG
61 };
62
63 static const struct samsung_ufs_phy_cfg *exynos7_ufs_phy_cfgs[CFG_TAG_MAX] = {
64         [CFG_PRE_INIT]          = exynos7_pre_init_cfg,
65         [CFG_PRE_PWR_HS]        = exynos7_pre_pwr_hs_cfg,
66         [CFG_POST_PWR_HS]       = exynos7_post_pwr_hs_cfg,
67 };
68
69 const struct samsung_ufs_phy_drvdata exynos7_ufs_phy = {
70         .cfg = exynos7_ufs_phy_cfgs,
71         .isol = {
72                 .offset = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL,
73                 .mask = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK,
74                 .en = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN,
75         },
76         .has_symbol_clk = 1,
77 };