Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 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 | |
Tony Lindgren | dbc0416 | 2012-08-31 10:59:07 -0700 | [diff] [blame] | 21 | #include "soc.h" |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 22 | #include "common.h" |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 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 | |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 33 | /* OMAP3-common voltagedomain data */ |
| 34 | |
| 35 | static struct voltagedomain omap3_voltdm_wkup = { |
| 36 | .name = "wakeup", |
| 37 | }; |
| 38 | |
| 39 | /* 34xx/36xx voltagedomain data */ |
| 40 | |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 41 | static const struct omap_vfsm_instance omap3_vdd1_vfsm = { |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 42 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 43 | .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, |
| 44 | }; |
| 45 | |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 46 | static const struct omap_vfsm_instance omap3_vdd2_vfsm = { |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 47 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 48 | .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, |
| 49 | }; |
| 50 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 51 | static struct voltagedomain omap3_voltdm_mpu = { |
Kevin Hilman | 280a727 | 2011-03-23 11:18:08 -0700 | [diff] [blame] | 52 | .name = "mpu_iva", |
Kevin Hilman | 37efca7 | 2011-03-23 17:00:21 -0700 | [diff] [blame] | 53 | .scalable = true, |
Kevin Hilman | 4bcc475 | 2011-03-28 10:40:15 -0700 | [diff] [blame] | 54 | .read = omap3_prm_vcvp_read, |
| 55 | .write = omap3_prm_vcvp_write, |
| 56 | .rmw = omap3_prm_vcvp_rmw, |
Kevin Hilman | d84adcf | 2011-03-22 16:14:57 -0700 | [diff] [blame] | 57 | .vc = &omap3_vc_mpu, |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 58 | .vfsm = &omap3_vdd1_vfsm, |
Kevin Hilman | b7ea803 | 2011-04-04 15:25:07 -0700 | [diff] [blame] | 59 | .vp = &omap3_vp_mpu, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 60 | }; |
| 61 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 62 | static struct voltagedomain omap3_voltdm_core = { |
| 63 | .name = "core", |
Kevin Hilman | 37efca7 | 2011-03-23 17:00:21 -0700 | [diff] [blame] | 64 | .scalable = true, |
Kevin Hilman | 4bcc475 | 2011-03-28 10:40:15 -0700 | [diff] [blame] | 65 | .read = omap3_prm_vcvp_read, |
| 66 | .write = omap3_prm_vcvp_write, |
| 67 | .rmw = omap3_prm_vcvp_rmw, |
Kevin Hilman | d84adcf | 2011-03-22 16:14:57 -0700 | [diff] [blame] | 68 | .vc = &omap3_vc_core, |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 69 | .vfsm = &omap3_vdd2_vfsm, |
Kevin Hilman | b7ea803 | 2011-04-04 15:25:07 -0700 | [diff] [blame] | 70 | .vp = &omap3_vp_core, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 71 | }; |
| 72 | |
| 73 | static struct voltagedomain *voltagedomains_omap3[] __initdata = { |
| 74 | &omap3_voltdm_mpu, |
| 75 | &omap3_voltdm_core, |
Kevin Hilman | ace19ff | 2011-03-23 13:30:33 -0700 | [diff] [blame] | 76 | &omap3_voltdm_wkup, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 77 | NULL, |
| 78 | }; |
| 79 | |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 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 | |
Nicolas Pitre | 19c233b | 2015-07-27 18:27:52 -0400 | [diff] [blame] | 98 | static const char *const sys_clk_name __initconst = "sys_ck"; |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 99 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 100 | void __init omap3xxx_voltagedomains_init(void) |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 101 | { |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 102 | struct voltagedomain *voltdm; |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 103 | struct voltagedomain **voltdms; |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 104 | int i; |
| 105 | |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 106 | /* |
| 107 | * XXX Will depend on the process, validation, and binning |
| 108 | * for the currently-running IC |
| 109 | */ |
Russell King | 3ddd4d0 | 2012-02-15 11:28:06 +0000 | [diff] [blame] | 110 | #ifdef CONFIG_PM_OPP |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 111 | if (cpu_is_omap3630()) { |
Kevin Hilman | e327788 | 2011-07-14 11:29:06 -0700 | [diff] [blame] | 112 | omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; |
| 113 | omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 114 | } else { |
Kevin Hilman | e327788 | 2011-07-14 11:29:06 -0700 | [diff] [blame] | 115 | omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data; |
| 116 | omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 117 | } |
Russell King | 3ddd4d0 | 2012-02-15 11:28:06 +0000 | [diff] [blame] | 118 | #endif |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 119 | |
Tero Kristo | 8b5d8c0 | 2012-09-25 19:33:35 +0300 | [diff] [blame] | 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 | |
Kevin Hilman | 68a88b9 | 2012-04-30 16:37:10 -0700 | [diff] [blame] | 125 | if (soc_is_am35xx()) |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 126 | voltdms = voltagedomains_am35xx; |
| 127 | else |
| 128 | voltdms = voltagedomains_omap3; |
| 129 | |
| 130 | for (i = 0; voltdm = voltdms[i], voltdm; i++) |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 131 | voltdm->sys_clk.name = sys_clk_name; |
| 132 | |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 133 | voltdm_init(voltdms); |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 134 | }; |