1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * OMAP3 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 "prm-regbits-34xx.h"
21 #include "voltage.h"
22
23 #include "vc.h"
24
25 /*
26 * VC data common to 34xx/36xx chips
27 * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
28 */
29 static struct omap_vc_common omap3_vc_common = {
30 .bypass_val_reg = OMAP3_PRM_VC_BYPASS_VAL_OFFSET,
31 .data_shift = OMAP3430_DATA_SHIFT,
32 .slaveaddr_shift = OMAP3430_SLAVEADDR_SHIFT,
33 .regaddr_shift = OMAP3430_REGADDR_SHIFT,
34 .valid = OMAP3430_VALID_MASK,
35 .cmd_on_shift = OMAP3430_VC_CMD_ON_SHIFT,
36 .cmd_on_mask = OMAP3430_VC_CMD_ON_MASK,
37 .cmd_onlp_shift = OMAP3430_VC_CMD_ONLP_SHIFT,
38 .cmd_ret_shift = OMAP3430_VC_CMD_RET_SHIFT,
39 .cmd_off_shift = OMAP3430_VC_CMD_OFF_SHIFT,
40 .i2c_cfg_clear_mask = OMAP3430_SREN_MASK | OMAP3430_HSEN_MASK,
41 .i2c_cfg_hsen_mask = OMAP3430_HSEN_MASK,
42 .i2c_cfg_reg = OMAP3_PRM_VC_I2C_CFG_OFFSET,
43 .i2c_mcode_mask = OMAP3430_MCODE_MASK,
44 };
45
46 struct omap_vc_channel omap3_vc_mpu = {
47 .flags = OMAP_VC_CHANNEL_DEFAULT,
48 .common = &omap3_vc_common,
49 .smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET,
50 .smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,
51 .smps_cmdra_reg = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET,
52 .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET,
53 .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_0_OFFSET,
54 .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA0_MASK,
55 .smps_volra_mask = OMAP3430_VOLRA0_MASK,
56 .smps_cmdra_mask = OMAP3430_CMDRA0_MASK,
57 .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA0_SHIFT,
58 };
59
60 struct omap_vc_channel omap3_vc_core = {
61 .common = &omap3_vc_common,
62 .smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET,
63 .smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,
64 .smps_cmdra_reg = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET,
65 .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET,
66 .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_1_OFFSET,
67 .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA1_MASK,
68 .smps_volra_mask = OMAP3430_VOLRA1_MASK,
69 .smps_cmdra_mask = OMAP3430_CMDRA1_MASK,
70 .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT,
71 };
72
73 /*
74 * Voltage levels for different operating modes: on, sleep, retention and off
75 */
76 #define OMAP3_ON_VOLTAGE_UV 1200000
77 #define OMAP3_ONLP_VOLTAGE_UV 1000000
78 #define OMAP3_RET_VOLTAGE_UV 975000
79 #define OMAP3_OFF_VOLTAGE_UV 600000
80
81 struct omap_vc_param omap3_mpu_vc_data = {
82 .on = OMAP3_ON_VOLTAGE_UV,
83 .onlp = OMAP3_ONLP_VOLTAGE_UV,
84 .ret = OMAP3_RET_VOLTAGE_UV,
85 .off = OMAP3_OFF_VOLTAGE_UV,
86 };
87
88 struct omap_vc_param omap3_core_vc_data = {
89 .on = OMAP3_ON_VOLTAGE_UV,
90 .onlp = OMAP3_ONLP_VOLTAGE_UV,
91 .ret = OMAP3_RET_VOLTAGE_UV,
92 .off = OMAP3_OFF_VOLTAGE_UV,
93 };
94
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