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 | |
21 | static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = { |
22 | .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET, |
23 | }; |
24 | |
25 | static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = { |
26 | .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET, |
27 | }; |
28 | |
29 | static const struct omap_vfsm_instance omap5_vdd_core_vfsm = { |
30 | .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, |
31 | }; |
32 | |
33 | static 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 | |
44 | static 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 | |
55 | static 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 | |
66 | static struct voltagedomain omap5_voltdm_wkup = { |
67 | .name = "wkup" , |
68 | }; |
69 | |
70 | static 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 | |
78 | static const char *const sys_clk_name __initconst = "sys_clkin" ; |
79 | |
80 | void __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 | |