| /* |
| * OMAP3/OMAP4 Voltage Management Routines |
| * |
| * Author: Thara Gopinath <thara@ti.com> |
| * |
| * Copyright (C) 2007 Texas Instruments, Inc. |
| * Rajendra Nayak <rnayak@ti.com> |
| * Lesly A M <x0080970@ti.com> |
| * |
| * Copyright (C) 2008 Nokia Corporation |
| * Kalle Jokiniemi |
| * |
| * Copyright (C) 2010 Texas Instruments, Inc. |
| * Thara Gopinath <thara@ti.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #include <linux/kernel.h> |
| #include <linux/err.h> |
| #include <linux/init.h> |
| |
| #include "common.h" |
| |
| #include "prm-regbits-44xx.h" |
| #include "prm44xx.h" |
| #include "prcm44xx.h" |
| #include "prminst44xx.h" |
| #include "voltage.h" |
| #include "omap_opp_data.h" |
| #include "vc.h" |
| #include "vp.h" |
| |
| static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = { |
| .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET, |
| }; |
| |
| static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = { |
| .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET, |
| }; |
| |
| static const struct omap_vfsm_instance omap4_vdd_core_vfsm = { |
| .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, |
| }; |
| |
| static struct voltagedomain omap4_voltdm_mpu = { |
| .name = "mpu", |
| .scalable = true, |
| .read = omap4_prm_vcvp_read, |
| .write = omap4_prm_vcvp_write, |
| .rmw = omap4_prm_vcvp_rmw, |
| .vc = &omap4_vc_mpu, |
| .vfsm = &omap4_vdd_mpu_vfsm, |
| .vp = &omap4_vp_mpu, |
| }; |
| |
| static struct voltagedomain omap4_voltdm_iva = { |
| .name = "iva", |
| .scalable = true, |
| .read = omap4_prm_vcvp_read, |
| .write = omap4_prm_vcvp_write, |
| .rmw = omap4_prm_vcvp_rmw, |
| .vc = &omap4_vc_iva, |
| .vfsm = &omap4_vdd_iva_vfsm, |
| .vp = &omap4_vp_iva, |
| }; |
| |
| static struct voltagedomain omap4_voltdm_core = { |
| .name = "core", |
| .scalable = true, |
| .read = omap4_prm_vcvp_read, |
| .write = omap4_prm_vcvp_write, |
| .rmw = omap4_prm_vcvp_rmw, |
| .vc = &omap4_vc_core, |
| .vfsm = &omap4_vdd_core_vfsm, |
| .vp = &omap4_vp_core, |
| }; |
| |
| static struct voltagedomain omap4_voltdm_wkup = { |
| .name = "wakeup", |
| }; |
| |
| static struct voltagedomain *voltagedomains_omap4[] __initdata = { |
| &omap4_voltdm_mpu, |
| &omap4_voltdm_iva, |
| &omap4_voltdm_core, |
| &omap4_voltdm_wkup, |
| NULL, |
| }; |
| |
| static const char *sys_clk_name __initdata = "sys_clkin_ck"; |
| |
| void __init omap44xx_voltagedomains_init(void) |
| { |
| struct voltagedomain *voltdm; |
| int i; |
| |
| /* |
| * XXX Will depend on the process, validation, and binning |
| * for the currently-running IC |
| */ |
| #ifdef CONFIG_PM_OPP |
| omap4_voltdm_mpu.volt_data = omap44xx_vdd_mpu_volt_data; |
| omap4_voltdm_iva.volt_data = omap44xx_vdd_iva_volt_data; |
| omap4_voltdm_core.volt_data = omap44xx_vdd_core_volt_data; |
| #endif |
| |
| for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++) |
| voltdm->sys_clk.name = sys_clk_name; |
| |
| voltdm_init(voltagedomains_omap4); |
| }; |