1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * OMAP5 Voltage Management Routines
4 *
5 * Based on voltagedomains44xx_data.c
6 *
7 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com
8 */
9#include <linux/kernel.h>
10#include <linux/err.h>
11#include <linux/init.h>
12
13#include "common.h"
14
15#include "prm54xx.h"
16#include "voltage.h"
17#include "omap_opp_data.h"
18#include "vc.h"
19#include "vp.h"
20
21static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = {
22 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
23};
24
25static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = {
26 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET,
27};
28
29static const struct omap_vfsm_instance omap5_vdd_core_vfsm = {
30 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
31};
32
33static struct voltagedomain omap5_voltdm_mpu = {
34 .name = "mpu",
35 .scalable = true,
36 .read = omap4_prm_vcvp_read,
37 .write = omap4_prm_vcvp_write,
38 .rmw = omap4_prm_vcvp_rmw,
39 .vc = &omap4_vc_mpu,
40 .vfsm = &omap5_vdd_mpu_vfsm,
41 .vp = &omap4_vp_mpu,
42};
43
44static struct voltagedomain omap5_voltdm_mm = {
45 .name = "mm",
46 .scalable = true,
47 .read = omap4_prm_vcvp_read,
48 .write = omap4_prm_vcvp_write,
49 .rmw = omap4_prm_vcvp_rmw,
50 .vc = &omap4_vc_iva,
51 .vfsm = &omap5_vdd_mm_vfsm,
52 .vp = &omap4_vp_iva,
53};
54
55static struct voltagedomain omap5_voltdm_core = {
56 .name = "core",
57 .scalable = true,
58 .read = omap4_prm_vcvp_read,
59 .write = omap4_prm_vcvp_write,
60 .rmw = omap4_prm_vcvp_rmw,
61 .vc = &omap4_vc_core,
62 .vfsm = &omap5_vdd_core_vfsm,
63 .vp = &omap4_vp_core,
64};
65
66static struct voltagedomain omap5_voltdm_wkup = {
67 .name = "wkup",
68};
69
70static struct voltagedomain *voltagedomains_omap5[] __initdata = {
71 &omap5_voltdm_mpu,
72 &omap5_voltdm_mm,
73 &omap5_voltdm_core,
74 &omap5_voltdm_wkup,
75 NULL,
76};
77
78static const char *const sys_clk_name __initconst = "sys_clkin";
79
80void __init omap54xx_voltagedomains_init(void)
81{
82 struct voltagedomain *voltdm;
83 int i;
84
85 for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++)
86 voltdm->sys_clk.name = sys_clk_name;
87
88 voltdm_init(voltdm_list: voltagedomains_omap5);
89};
90

source code of linux/arch/arm/mach-omap2/voltagedomains54xx_data.c