Commit | Line | Data |
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c0718df4 PW |
1 | /* |
2 | * OMAP3 voltage domain 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/kernel.h> | |
18 | #include <linux/err.h> | |
19 | #include <linux/init.h> | |
20 | ||
dbc04161 | 21 | #include "soc.h" |
4e65331c | 22 | #include "common.h" |
c0718df4 PW |
23 | #include "prm-regbits-34xx.h" |
24 | #include "omap_opp_data.h" | |
25 | #include "voltage.h" | |
26 | #include "vc.h" | |
27 | #include "vp.h" | |
28 | ||
29 | /* | |
30 | * VDD data | |
31 | */ | |
32 | ||
ddf536d0 PW |
33 | /* OMAP3-common voltagedomain data */ |
34 | ||
35 | static struct voltagedomain omap3_voltdm_wkup = { | |
36 | .name = "wakeup", | |
37 | }; | |
38 | ||
39 | /* 34xx/36xx voltagedomain data */ | |
40 | ||
5892bb1f | 41 | static const struct omap_vfsm_instance omap3_vdd1_vfsm = { |
c0718df4 | 42 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
c0718df4 PW |
43 | .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, |
44 | }; | |
45 | ||
5892bb1f | 46 | static const struct omap_vfsm_instance omap3_vdd2_vfsm = { |
c0718df4 | 47 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
c0718df4 PW |
48 | .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, |
49 | }; | |
50 | ||
81a60482 | 51 | static struct voltagedomain omap3_voltdm_mpu = { |
280a7275 | 52 | .name = "mpu_iva", |
37efca7e | 53 | .scalable = true, |
4bcc475e KH |
54 | .read = omap3_prm_vcvp_read, |
55 | .write = omap3_prm_vcvp_write, | |
56 | .rmw = omap3_prm_vcvp_rmw, | |
d84adcf4 | 57 | .vc = &omap3_vc_mpu, |
5892bb1f | 58 | .vfsm = &omap3_vdd1_vfsm, |
b7ea803e | 59 | .vp = &omap3_vp_mpu, |
c0718df4 PW |
60 | }; |
61 | ||
81a60482 KH |
62 | static struct voltagedomain omap3_voltdm_core = { |
63 | .name = "core", | |
37efca7e | 64 | .scalable = true, |
4bcc475e KH |
65 | .read = omap3_prm_vcvp_read, |
66 | .write = omap3_prm_vcvp_write, | |
67 | .rmw = omap3_prm_vcvp_rmw, | |
d84adcf4 | 68 | .vc = &omap3_vc_core, |
5892bb1f | 69 | .vfsm = &omap3_vdd2_vfsm, |
b7ea803e | 70 | .vp = &omap3_vp_core, |
81a60482 | 71 | }; |
c0718df4 | 72 | |
81a60482 KH |
73 | static struct voltagedomain *voltagedomains_omap3[] __initdata = { |
74 | &omap3_voltdm_mpu, | |
75 | &omap3_voltdm_core, | |
ace19ffa | 76 | &omap3_voltdm_wkup, |
81a60482 KH |
77 | NULL, |
78 | }; | |
79 | ||
ddf536d0 PW |
80 | /* AM35xx voltagedomain data */ |
81 | ||
82 | static struct voltagedomain am35xx_voltdm_mpu = { | |
83 | .name = "mpu_iva", | |
84 | }; | |
85 | ||
86 | static struct voltagedomain am35xx_voltdm_core = { | |
87 | .name = "core", | |
88 | }; | |
89 | ||
90 | static struct voltagedomain *voltagedomains_am35xx[] __initdata = { | |
91 | &am35xx_voltdm_mpu, | |
92 | &am35xx_voltdm_core, | |
93 | &omap3_voltdm_wkup, | |
94 | NULL, | |
95 | }; | |
96 | ||
97 | ||
0e2f3d9c KH |
98 | static const char *sys_clk_name __initdata = "sys_ck"; |
99 | ||
81a60482 KH |
100 | void __init omap3xxx_voltagedomains_init(void) |
101 | { | |
0e2f3d9c | 102 | struct voltagedomain *voltdm; |
ddf536d0 | 103 | struct voltagedomain **voltdms; |
0e2f3d9c KH |
104 | int i; |
105 | ||
c0718df4 PW |
106 | /* |
107 | * XXX Will depend on the process, validation, and binning | |
108 | * for the currently-running IC | |
109 | */ | |
3ddd4d0c | 110 | #ifdef CONFIG_PM_OPP |
c0718df4 | 111 | if (cpu_is_omap3630()) { |
e3277880 KH |
112 | omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; |
113 | omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; | |
c0718df4 | 114 | } else { |
e3277880 KH |
115 | omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data; |
116 | omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; | |
c0718df4 | 117 | } |
3ddd4d0c | 118 | #endif |
c0718df4 | 119 | |
8b5d8c0d TK |
120 | omap3_voltdm_mpu.vp_param = &omap3_mpu_vp_data; |
121 | omap3_voltdm_core.vp_param = &omap3_core_vp_data; | |
122 | omap3_voltdm_mpu.vc_param = &omap3_mpu_vc_data; | |
123 | omap3_voltdm_core.vc_param = &omap3_core_vc_data; | |
124 | ||
68a88b98 | 125 | if (soc_is_am35xx()) |
ddf536d0 PW |
126 | voltdms = voltagedomains_am35xx; |
127 | else | |
128 | voltdms = voltagedomains_omap3; | |
129 | ||
130 | for (i = 0; voltdm = voltdms[i], voltdm; i++) | |
0e2f3d9c KH |
131 | voltdm->sys_clk.name = sys_clk_name; |
132 | ||
ddf536d0 | 133 | voltdm_init(voltdms); |
c0718df4 | 134 | }; |