1 /*
2 * OMAP5 Voltage Management Routines
3 *
4 * Based on voltagedomains44xx_data.c
5 *
6 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12 #include <linux/kernel.h>
13 #include <linux/err.h>
14 #include <linux/init.h>
15
16 #include "common.h"
17
18 #include "prm54xx.h"
19 #include "voltage.h"
20 #include "omap_opp_data.h"
21 #include "vc.h"
22 #include "vp.h"
23
24 static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = {
25 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
26 };
27
28 static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = {
29 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET,
30 };
31
32 static const struct omap_vfsm_instance omap5_vdd_core_vfsm = {
33 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
34 };
35
36 static struct voltagedomain omap5_voltdm_mpu = {
37 .name = "mpu",
38 .scalable = true,
39 .read = omap4_prm_vcvp_read,
40 .write = omap4_prm_vcvp_write,
41 .rmw = omap4_prm_vcvp_rmw,
42 .vc = &omap4_vc_mpu,
43 .vfsm = &omap5_vdd_mpu_vfsm,
44 .vp = &omap4_vp_mpu,
45 };
46
47 static struct voltagedomain omap5_voltdm_mm = {
48 .name = "mm",
49 .scalable = true,
50 .read = omap4_prm_vcvp_read,
51 .write = omap4_prm_vcvp_write,
52 .rmw = omap4_prm_vcvp_rmw,
53 .vc = &omap4_vc_iva,
54 .vfsm = &omap5_vdd_mm_vfsm,
55 .vp = &omap4_vp_iva,
56 };
57
58 static struct voltagedomain omap5_voltdm_core = {
59 .name = "core",
60 .scalable = true,
61 .read = omap4_prm_vcvp_read,
62 .write = omap4_prm_vcvp_write,
63 .rmw = omap4_prm_vcvp_rmw,
64 .vc = &omap4_vc_core,
65 .vfsm = &omap5_vdd_core_vfsm,
66 .vp = &omap4_vp_core,
67 };
68
69 static struct voltagedomain omap5_voltdm_wkup = {
70 .name = "wkup",
71 };
72
73 static struct voltagedomain *voltagedomains_omap5[] __initdata = {
74 &omap5_voltdm_mpu,
75 &omap5_voltdm_mm,
76 &omap5_voltdm_core,
77 &omap5_voltdm_wkup,
78 NULL,
79 };
80
81 static const char *sys_clk_name __initdata = "sys_clkin";
82
omap54xx_voltagedomains_init(void)83 void __init omap54xx_voltagedomains_init(void)
84 {
85 struct voltagedomain *voltdm;
86 int i;
87
88 for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++)
89 voltdm->sys_clk.name = sys_clk_name;
90
91 voltdm_init(voltagedomains_omap5);
92 };
93