| Santosh Shilimkar | 20d49e9cc | 2013-05-29 12:38:11 -0400 | [diff] [blame^] | 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 | |
| 83 | void __init omap54xx_voltagedomains_init(void) |
| 84 | { |
| 85 | struct voltagedomain *voltdm; |
| 86 | int i; |
| 87 | |
| 88 | /* |
| 89 | * XXX Will depend on the process, validation, and binning |
| 90 | * for the currently-running IC. Use OMAP4 data for time being. |
| 91 | */ |
| 92 | #ifdef CONFIG_PM_OPP |
| 93 | omap5_voltdm_mpu.volt_data = omap446x_vdd_mpu_volt_data; |
| 94 | omap5_voltdm_mm.volt_data = omap446x_vdd_iva_volt_data; |
| 95 | omap5_voltdm_core.volt_data = omap446x_vdd_core_volt_data; |
| 96 | #endif |
| 97 | |
| 98 | for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++) |
| 99 | voltdm->sys_clk.name = sys_clk_name; |
| 100 | |
| 101 | voltdm_init(voltagedomains_omap5); |
| 102 | }; |