From patchwork Mon Apr 19 11:43:28 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lesly A M X-Patchwork-Id: 93479 X-Patchwork-Delegate: khilman@deeprootsystems.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o3JBMYKI008529 for ; Mon, 19 Apr 2010 11:22:34 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754612Ab0DSLWd (ORCPT ); Mon, 19 Apr 2010 07:22:33 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:39809 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754522Ab0DSLWc (ORCPT ); Mon, 19 Apr 2010 07:22:32 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id o3JBMSfU027003 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 19 Apr 2010 06:22:30 -0500 Received: from localhost.localdomain (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id o3JBMPnW028183; Mon, 19 Apr 2010 16:52:25 +0530 (IST) From: Lesly A M To: linux-omap@vger.kernel.org Cc: Lesly A M , Nishanth Menon , David Derrick , Samuel Ortiz Subject: [PATCH v5 3/5] omap3: pm: Generic TRITON power scripts for OMAP3 based boards Date: Mon, 19 Apr 2010 17:13:28 +0530 Message-Id: <1271677408-2143-1-git-send-email-leslyam@ti.com> X-Mailer: git-send-email 1.6.0.4 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Mon, 19 Apr 2010 11:22:34 +0000 (UTC) diff --git a/arch/arm/mach-omap2/twl4030.c b/arch/arm/mach-omap2/twl4030.c new file mode 100644 index 0000000..6647156 --- /dev/null +++ b/arch/arm/mach-omap2/twl4030.c @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2010 Texas Instruments, Inc. + * Lesly A M + * + * 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. + */ + +#ifdef CONFIG_TWL4030_POWER + +#include "twl4030.h" + +static struct prm_setup_vc twl4030_voltsetup_time = { + /* VOLT SETUPTIME for RET */ + .ret = { + .voltsetup1_vdd1 = 0x005B, + .voltsetup1_vdd2 = 0x0055, + .voltsetup2 = 0x0, + .voltoffset = 0x0, + }, + /* VOLT SETUPTIME for OFF */ + .off = { + .voltsetup1_vdd1 = 0x00B3, + .voltsetup1_vdd2 = 0x00A0, + .voltsetup2 = 0x118, + .voltoffset = 0x32, + }, +}; + +/* + * Sequence to control the TRITON Power resources, + * when the system goes into sleep. + * Executed upon P1_P2/P3 transition for sleep. + */ +static struct twl4030_ins __initdata sleep_on_seq[] = { + /* Broadcast message to put res to sleep */ + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R1, + RES_STATE_SLEEP), 2}, + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R2, + RES_STATE_SLEEP), 2}, +}; + +static struct twl4030_script sleep_on_script __initdata = { + .script = sleep_on_seq, + .size = ARRAY_SIZE(sleep_on_seq), + .flags = TWL4030_SLEEP_SCRIPT, +}; + +/* + * Sequence to control the TRITON Power resources, + * when the system wakeup from sleep. + * Executed upon P1_P2 transition for wakeup. + */ +static struct twl4030_ins wakeup_p12_seq[] __initdata = { + /* Broadcast message to put res to active */ + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R1, + RES_STATE_ACTIVE), 2}, +}; + +static struct twl4030_script wakeup_p12_script __initdata = { + .script = wakeup_p12_seq, + .size = ARRAY_SIZE(wakeup_p12_seq), + .flags = TWL4030_WAKEUP12_SCRIPT, +}; + +/* + * Sequence to control the TRITON Power resources, + * when the system wakeup from sleep. + * Executed upon P3 transition for wakeup. + */ +static struct twl4030_ins wakeup_p3_seq[] __initdata = { + /* Broadcast message to put res to active */ + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R2, + RES_STATE_ACTIVE), 2}, +}; + +static struct twl4030_script wakeup_p3_script __initdata = { + .script = wakeup_p3_seq, + .size = ARRAY_SIZE(wakeup_p3_seq), + .flags = TWL4030_WAKEUP3_SCRIPT, +}; + +/* + * Sequence to reset the TRITON Power resources, + * when the system gets warm reset. + * Executed upon warm reset signal. + */ +static struct twl4030_ins wrst_seq[] __initdata = { +/* + * Reset twl4030. + * Reset Main_Ref. + * Reset All type2_group2. + * Reset VUSB_3v1. + * Reset All type2_group1. + * Reset RC. + * Reenable twl4030. + */ + {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2}, + {MSG_SINGULAR(DEV_GRP_NULL, RES_Main_Ref, RES_STATE_WRST), 2}, + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R2, + RES_STATE_WRST), 2}, + {MSG_SINGULAR(DEV_GRP_NULL, RES_VUSB_3V1, RES_STATE_WRST), 2}, + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R1, + RES_STATE_WRST), 2}, + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_RC, RES_TYPE_ALL, RES_TYPE2_R0, + RES_STATE_WRST), 2}, + {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2}, +}; + +static struct twl4030_script wrst_script __initdata = { + .script = wrst_seq, + .size = ARRAY_SIZE(wrst_seq), + .flags = TWL4030_WRST_SCRIPT, +}; + +/* TRITON script for sleep, wakeup & warm_reset */ +static struct twl4030_script *twl4030_scripts[] __initdata = { + &sleep_on_script, + &wakeup_p12_script, + &wakeup_p3_script, + &wrst_script, +}; + +static struct twl4030_power_data twl4030_generic_script __initdata = { + .scripts = twl4030_scripts, + .num = ARRAY_SIZE(twl4030_scripts), +}; + +void twl4030_get_scripts(struct twl4030_power_data *t2scripts_data) +{ + t2scripts_data->scripts = twl4030_generic_script.scripts; + t2scripts_data->num = twl4030_generic_script.num; +} + +void twl4030_get_vc_timings(struct prm_setup_vc *setup_vc) +{ + /* copies new voltsetup time for RERT */ + setup_vc->ret.voltsetup1_vdd1 = + twl4030_voltsetup_time.ret.voltsetup1_vdd1; + setup_vc->ret.voltsetup1_vdd2 = + twl4030_voltsetup_time.ret.voltsetup1_vdd2; + setup_vc->ret.voltsetup2 = twl4030_voltsetup_time.ret.voltsetup2; + setup_vc->ret.voltoffset = twl4030_voltsetup_time.ret.voltoffset; + + /* copies new voltsetup time for OFF */ + setup_vc->off.voltsetup1_vdd1 = + twl4030_voltsetup_time.off.voltsetup1_vdd1; + setup_vc->off.voltsetup1_vdd2 = + twl4030_voltsetup_time.off.voltsetup1_vdd2; + setup_vc->off.voltsetup2 = twl4030_voltsetup_time.off.voltsetup2; + setup_vc->off.voltoffset = twl4030_voltsetup_time.off.voltoffset; +} +#endif diff --git a/arch/arm/mach-omap2/twl4030.h b/arch/arm/mach-omap2/twl4030.h new file mode 100644 index 0000000..3a7da2d --- /dev/null +++ b/arch/arm/mach-omap2/twl4030.h @@ -0,0 +1,15 @@ +#ifndef __ARCH_ARM_MACH_OMAP3_TWL4030_SCRIPT_H +#define __ARCH_ARM_MACH_OMAP3_TWL4030_SCRIPT_H + +#include +#include "voltage.h" + +#ifdef CONFIG_TWL4030_POWER +extern void twl4030_get_scripts(struct twl4030_power_data *t2scripts_data); +extern void twl4030_get_vc_timings(struct prm_setup_vc *setup_vc); +#else +extern void twl4030_get_scripts(struct twl4030_power_data *t2scripts_data) {} +extern void twl4030_get_vc_timings(struct prm_setup_vc *setup_vc) {} +#endif + +#endif diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c index bb80631..fba7007 100644 --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -888,9 +888,8 @@ void __init omap_voltage_init_vc(struct prm_setup_vc *setup_vc) if (!setup_vc) return; - /* CLK SETUPTIME for RET & OFF */ - vc_config.ret.clksetup = setup_vc->ret.clksetup; - vc_config.off.clksetup = setup_vc->off.clksetup; + /* CLK & VOLT SETUPTIME for RET & OFF */ + memcpy(&vc_config, setup_vc, 2 * sizeof(struct setuptime_vc)); } void omap_voltage_vc_update(int core_next_state)