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c0718df4 PW |
1 | /* |
2 | * OMAP3/OMAP4 Voltage Management Routines | |
3 | * | |
4 | * Author: Thara Gopinath <thara@ti.com> | |
5 | * | |
6 | * Copyright (C) 2007 Texas Instruments, Inc. | |
7 | * Rajendra Nayak <rnayak@ti.com> | |
8 | * Lesly A M <x0080970@ti.com> | |
9 | * | |
10 | * Copyright (C) 2008 Nokia Corporation | |
11 | * Kalle Jokiniemi | |
12 | * | |
13 | * Copyright (C) 2010 Texas Instruments, Inc. | |
14 | * Thara Gopinath <thara@ti.com> | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License version 2 as | |
18 | * published by the Free Software Foundation. | |
19 | */ | |
20 | #include <linux/kernel.h> | |
21 | #include <linux/err.h> | |
22 | #include <linux/init.h> | |
23 | ||
24 | #include <plat/common.h> | |
25 | ||
26 | #include "prm-regbits-44xx.h" | |
27 | #include "prm44xx.h" | |
28 | #include "prcm44xx.h" | |
29 | #include "prminst44xx.h" | |
30 | #include "voltage.h" | |
31 | #include "omap_opp_data.h" | |
32 | #include "vc.h" | |
33 | #include "vp.h" | |
34 | ||
5892bb1f | 35 | static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = { |
c0718df4 PW |
36 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET, |
37 | }; | |
38 | ||
b7ea803e | 39 | static struct omap_vdd_info omap4_vdd_mpu_info; |
c0718df4 | 40 | |
5892bb1f | 41 | static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = { |
c0718df4 PW |
42 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET, |
43 | }; | |
44 | ||
b7ea803e | 45 | static struct omap_vdd_info omap4_vdd_iva_info; |
c0718df4 | 46 | |
5892bb1f | 47 | static const struct omap_vfsm_instance omap4_vdd_core_vfsm = { |
c0718df4 PW |
48 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, |
49 | }; | |
50 | ||
b7ea803e | 51 | static struct omap_vdd_info omap4_vdd_core_info; |
c0718df4 | 52 | |
81a60482 KH |
53 | static struct voltagedomain omap4_voltdm_mpu = { |
54 | .name = "mpu", | |
37efca7e | 55 | .scalable = true, |
4bcc475e KH |
56 | .read = omap4_prm_vcvp_read, |
57 | .write = omap4_prm_vcvp_write, | |
58 | .rmw = omap4_prm_vcvp_rmw, | |
d84adcf4 | 59 | .vc = &omap4_vc_mpu, |
5892bb1f | 60 | .vfsm = &omap4_vdd_mpu_vfsm, |
b7ea803e | 61 | .vp = &omap4_vp_mpu, |
81a60482 | 62 | .vdd = &omap4_vdd_mpu_info, |
c0718df4 PW |
63 | }; |
64 | ||
81a60482 KH |
65 | static struct voltagedomain omap4_voltdm_iva = { |
66 | .name = "iva", | |
37efca7e | 67 | .scalable = true, |
4bcc475e KH |
68 | .read = omap4_prm_vcvp_read, |
69 | .write = omap4_prm_vcvp_write, | |
70 | .rmw = omap4_prm_vcvp_rmw, | |
d84adcf4 | 71 | .vc = &omap4_vc_iva, |
5892bb1f | 72 | .vfsm = &omap4_vdd_iva_vfsm, |
b7ea803e | 73 | .vp = &omap4_vp_iva, |
81a60482 KH |
74 | .vdd = &omap4_vdd_iva_info, |
75 | }; | |
76 | ||
77 | static struct voltagedomain omap4_voltdm_core = { | |
78 | .name = "core", | |
37efca7e | 79 | .scalable = true, |
4bcc475e KH |
80 | .read = omap4_prm_vcvp_read, |
81 | .write = omap4_prm_vcvp_write, | |
82 | .rmw = omap4_prm_vcvp_rmw, | |
d84adcf4 | 83 | .vc = &omap4_vc_core, |
5892bb1f | 84 | .vfsm = &omap4_vdd_core_vfsm, |
b7ea803e | 85 | .vp = &omap4_vp_core, |
81a60482 KH |
86 | .vdd = &omap4_vdd_core_info, |
87 | }; | |
c0718df4 | 88 | |
7e1b9405 BC |
89 | static struct voltagedomain omap4_voltdm_wkup = { |
90 | .name = "wakeup", | |
91 | }; | |
92 | ||
81a60482 KH |
93 | static struct voltagedomain *voltagedomains_omap4[] __initdata = { |
94 | &omap4_voltdm_mpu, | |
95 | &omap4_voltdm_iva, | |
96 | &omap4_voltdm_core, | |
7e1b9405 | 97 | &omap4_voltdm_wkup, |
81a60482 KH |
98 | NULL, |
99 | }; | |
100 | ||
101 | void __init omap44xx_voltagedomains_init(void) | |
102 | { | |
c0718df4 PW |
103 | /* |
104 | * XXX Will depend on the process, validation, and binning | |
105 | * for the currently-running IC | |
106 | */ | |
107 | omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data; | |
108 | omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data; | |
109 | omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data; | |
110 | ||
81a60482 | 111 | voltdm_init(voltagedomains_omap4); |
c0718df4 | 112 | }; |