1/*
2 * OMAP4 Voltage Controller (VC) data
3 *
4 * Copyright (C) 2007, 2010 Texas Instruments, Inc.
5 * Rajendra Nayak <rnayak@ti.com>
6 * Lesly A M <x0080970@ti.com>
7 * Thara Gopinath <thara@ti.com>
8 *
9 * Copyright (C) 2008, 2011 Nokia Corporation
10 * Kalle Jokiniemi
11 * Paul Walmsley
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 */
17#include <linux/io.h>
18#include <linux/err.h>
19#include <linux/init.h>
20
21#include "common.h"
22
23#include "prm44xx.h"
24#include "prm-regbits-44xx.h"
25#include "voltage.h"
26
27#include "vc.h"
28
29/*
30 * VC data common to 44xx chips
31 * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
32 */
33static const struct omap_vc_common omap4_vc_common = {
34	.bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET,
35	.data_shift = OMAP4430_DATA_SHIFT,
36	.slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT,
37	.regaddr_shift = OMAP4430_REGADDR_SHIFT,
38	.valid = OMAP4430_VALID_MASK,
39	.cmd_on_shift = OMAP4430_ON_SHIFT,
40	.cmd_on_mask = OMAP4430_ON_MASK,
41	.cmd_onlp_shift = OMAP4430_ONLP_SHIFT,
42	.cmd_ret_shift = OMAP4430_RET_SHIFT,
43	.cmd_off_shift = OMAP4430_OFF_SHIFT,
44	.i2c_cfg_reg = OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET,
45	.i2c_cfg_clear_mask = OMAP4430_SRMODEEN_MASK | OMAP4430_HSMODEEN_MASK,
46	.i2c_cfg_hsen_mask = OMAP4430_HSMODEEN_MASK,
47	.i2c_mcode_mask	 = OMAP4430_HSMCODE_MASK,
48};
49
50/* VC instance data for each controllable voltage line */
51struct omap_vc_channel omap4_vc_mpu = {
52	.flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT,
53	.common = &omap4_vc_common,
54	.smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
55	.smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
56	.smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
57	.cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
58	.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET,
59	.smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK,
60	.smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK,
61	.smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK,
62	.cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT,
63};
64
65struct omap_vc_channel omap4_vc_iva = {
66	.common = &omap4_vc_common,
67	.smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
68	.smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
69	.smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
70	.cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
71	.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET,
72	.smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK,
73	.smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK,
74	.smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK,
75	.cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT,
76};
77
78struct omap_vc_channel omap4_vc_core = {
79	.common = &omap4_vc_common,
80	.smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
81	.smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
82	.smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
83	.cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
84	.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET,
85	.smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK,
86	.smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK,
87	.smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK,
88	.cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT,
89};
90
91/*
92 * Voltage levels for different operating modes: on, sleep, retention and off
93 */
94#define OMAP4_ON_VOLTAGE_UV			1375000
95#define OMAP4_ONLP_VOLTAGE_UV			1375000
96#define OMAP4_RET_VOLTAGE_UV			837500
97#define OMAP4_OFF_VOLTAGE_UV			0
98
99struct omap_vc_param omap4_mpu_vc_data = {
100	.on			= OMAP4_ON_VOLTAGE_UV,
101	.onlp			= OMAP4_ONLP_VOLTAGE_UV,
102	.ret			= OMAP4_RET_VOLTAGE_UV,
103	.off			= OMAP4_OFF_VOLTAGE_UV,
104};
105
106struct omap_vc_param omap4_iva_vc_data = {
107	.on			= OMAP4_ON_VOLTAGE_UV,
108	.onlp			= OMAP4_ONLP_VOLTAGE_UV,
109	.ret			= OMAP4_RET_VOLTAGE_UV,
110	.off			= OMAP4_OFF_VOLTAGE_UV,
111};
112
113struct omap_vc_param omap4_core_vc_data = {
114	.on			= OMAP4_ON_VOLTAGE_UV,
115	.onlp			= OMAP4_ONLP_VOLTAGE_UV,
116	.ret			= OMAP4_RET_VOLTAGE_UV,
117	.off			= OMAP4_OFF_VOLTAGE_UV,
118};
119