1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * OMAP4 Voltage Controller (VC) data |
4 | * |
5 | * Copyright (C) 2007, 2010 Texas Instruments, Inc. |
6 | * Rajendra Nayak <rnayak@ti.com> |
7 | * Lesly A M <x0080970@ti.com> |
8 | * Thara Gopinath <thara@ti.com> |
9 | * |
10 | * Copyright (C) 2008, 2011 Nokia Corporation |
11 | * Kalle Jokiniemi |
12 | * Paul Walmsley |
13 | */ |
14 | #include <linux/io.h> |
15 | #include <linux/err.h> |
16 | #include <linux/init.h> |
17 | |
18 | #include "common.h" |
19 | |
20 | #include "prm44xx.h" |
21 | #include "prm-regbits-44xx.h" |
22 | #include "voltage.h" |
23 | |
24 | #include "vc.h" |
25 | |
26 | /* |
27 | * VC data common to 44xx chips |
28 | * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file. |
29 | */ |
30 | static const struct omap_vc_common omap4_vc_common = { |
31 | .bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET, |
32 | .data_shift = OMAP4430_DATA_SHIFT, |
33 | .slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT, |
34 | .regaddr_shift = OMAP4430_REGADDR_SHIFT, |
35 | .valid = OMAP4430_VALID_MASK, |
36 | .cmd_on_shift = OMAP4430_ON_SHIFT, |
37 | .cmd_on_mask = OMAP4430_ON_MASK, |
38 | .cmd_onlp_shift = OMAP4430_ONLP_SHIFT, |
39 | .cmd_ret_shift = OMAP4430_RET_SHIFT, |
40 | .cmd_off_shift = OMAP4430_OFF_SHIFT, |
41 | .i2c_cfg_reg = OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET, |
42 | .i2c_cfg_clear_mask = OMAP4430_SRMODEEN_MASK | OMAP4430_HSMODEEN_MASK, |
43 | .i2c_cfg_hsen_mask = OMAP4430_HSMODEEN_MASK, |
44 | .i2c_mcode_mask = OMAP4430_HSMCODE_MASK, |
45 | }; |
46 | |
47 | /* VC instance data for each controllable voltage line */ |
48 | struct omap_vc_channel omap4_vc_mpu = { |
49 | .flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT, |
50 | .common = &omap4_vc_common, |
51 | .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, |
52 | .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, |
53 | .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, |
54 | .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, |
55 | .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET, |
56 | .smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK, |
57 | .smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK, |
58 | .smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK, |
59 | .cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT, |
60 | }; |
61 | |
62 | struct omap_vc_channel omap4_vc_iva = { |
63 | .common = &omap4_vc_common, |
64 | .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, |
65 | .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, |
66 | .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, |
67 | .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, |
68 | .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET, |
69 | .smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK, |
70 | .smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK, |
71 | .smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK, |
72 | .cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT, |
73 | }; |
74 | |
75 | struct omap_vc_channel omap4_vc_core = { |
76 | .common = &omap4_vc_common, |
77 | .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, |
78 | .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, |
79 | .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, |
80 | .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, |
81 | .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET, |
82 | .smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK, |
83 | .smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK, |
84 | .smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK, |
85 | .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT, |
86 | }; |
87 | |
88 | /* |
89 | * Voltage levels for different operating modes: on, sleep, retention and off |
90 | */ |
91 | #define OMAP4_ON_VOLTAGE_UV 1375000 |
92 | #define OMAP4_ONLP_VOLTAGE_UV 1375000 |
93 | #define OMAP4_RET_VOLTAGE_UV 837500 |
94 | #define OMAP4_OFF_VOLTAGE_UV 0 |
95 | |
96 | struct omap_vc_param omap4_mpu_vc_data = { |
97 | .on = OMAP4_ON_VOLTAGE_UV, |
98 | .onlp = OMAP4_ONLP_VOLTAGE_UV, |
99 | .ret = OMAP4_RET_VOLTAGE_UV, |
100 | .off = OMAP4_OFF_VOLTAGE_UV, |
101 | }; |
102 | |
103 | struct omap_vc_param omap4_iva_vc_data = { |
104 | .on = OMAP4_ON_VOLTAGE_UV, |
105 | .onlp = OMAP4_ONLP_VOLTAGE_UV, |
106 | .ret = OMAP4_RET_VOLTAGE_UV, |
107 | .off = OMAP4_OFF_VOLTAGE_UV, |
108 | }; |
109 | |
110 | struct omap_vc_param omap4_core_vc_data = { |
111 | .on = OMAP4_ON_VOLTAGE_UV, |
112 | .onlp = OMAP4_ONLP_VOLTAGE_UV, |
113 | .ret = OMAP4_RET_VOLTAGE_UV, |
114 | .off = OMAP4_OFF_VOLTAGE_UV, |
115 | }; |
116 | |