voltagedomains54xx_data.c

 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(voltagedomains_omap5);
89};