From patchwork Wed Jun 24 09:08:11 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 32107 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n5O99uo1000626 for ; Wed, 24 Jun 2009 09:09:56 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756981AbZFXJI2 (ORCPT ); Wed, 24 Jun 2009 05:08:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756961AbZFXJI2 (ORCPT ); Wed, 24 Jun 2009 05:08:28 -0400 Received: from smtp.nokia.com ([192.100.122.230]:49857 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752999AbZFXJIZ (ORCPT ); Wed, 24 Jun 2009 05:08:25 -0400 Received: from vaebh106.NOE.Nokia.com (vaebh106.europe.nokia.com [10.160.244.32]) by mgw-mx03.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id n5O98DHr005927; Wed, 24 Jun 2009 12:08:20 +0300 Received: from esebh102.NOE.Nokia.com ([172.21.138.183]) by vaebh106.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 24 Jun 2009 12:08:16 +0300 Received: from mgw-da02.ext.nokia.com ([147.243.128.26]) by esebh102.NOE.Nokia.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.3959); Wed, 24 Jun 2009 12:08:15 +0300 Received: from localhost.localdomain (esdhcp04091.research.nokia.com [172.21.40.91]) by mgw-da02.ext.nokia.com (Switch-3.2.6/Switch-3.2.6) with ESMTP id n5O989Nm006715; Wed, 24 Jun 2009 12:08:09 +0300 From: Amit Kucheria To: linux-kernel@vger.kernel.org Cc: sameo@linux.intel.com, dbrownell@users.sourceforge.net, linux-omap@vger.kernel.org Subject: [PATCH 3/3] TWL4030: power: OMAP: Board-specifc DPS scripts for RX51 board Date: Wed, 24 Jun 2009 12:08:11 +0300 Message-Id: <1245834491-7983-1-git-send-email-amit.kucheria@verdurent.com> X-Mailer: git-send-email 1.6.3.1 In-Reply-To: <1245834390-7904-1-git-send-email-amit.kucheria@verdurent.com> References: <1245834390-7904-1-git-send-email-amit.kucheria@verdurent.com> X-OriginalArrivalTime: 24 Jun 2009 09:08:15.0871 (UTC) FILETIME=[4EFF50F0:01C9F4AB] X-Nokia-AV: Clean Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Add support for Dynamic Power Switching (DPS) for the RX51 board. Signed-off-by: Amit Kucheria --- arch/arm/mach-omap2/board-rx51-peripherals.c | 120 +++++++++++++++++++++++++- 1 files changed, 119 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index 9a0bf67..43d081b 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -1,5 +1,5 @@ /* - * linux/arch/arm/mach-omap2/board-rx51-flash.c + * linux/arch/arm/mach-omap2/board-rx51-peripherals.c * * Copyright (C) 2008-2009 Nokia * @@ -278,6 +278,123 @@ static struct twl4030_gpio_platform_data rx51_gpio_data = { .setup = rx51_twlgpio_setup, }; +static struct twl4030_ins sleep_on_seq[] __initdata = { +/* + * Turn off VDD1 and VDD2. + */ + {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4}, + {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2}, +/* + * And also turn off the OMAP3 PLLs and the sysclk output. + */ + {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3}, + {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_OFF), 3}, +}; + +static struct twl4030_script sleep_on_script __initdata = { + .script = sleep_on_seq, + .size = ARRAY_SIZE(sleep_on_seq), + .flags = TRITON_SLEEP_SCRIPT, +}; + +static struct twl4030_ins wakeup_seq[] __initdata = { +/* + * Reenable the OMAP3 PLLs. + * Wakeup VDD1 and VDD2. + * Reenable sysclk output. + */ + {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30}, + {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30}, + {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37}, + {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3}, +}; + +static struct twl4030_script wakeup_script __initdata = { + .script = wakeup_seq, + .size = ARRAY_SIZE(wakeup_seq), + .flags = TRITON_WAKEUP12_SCRIPT, +}; + +static struct twl4030_ins wakeup_p3_seq[] __initdata = { +/* + * Wakeup VDD1 (dummy to be able to insert a delay) + * Enable CLKEN + */ + {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_ACTIVE), 3}, +}; + +static struct twl4030_script wakeup_p3_script __initdata = { + .script = wakeup_p3_seq, + .size = ARRAY_SIZE(wakeup_p3_seq), + .flags = TRITON_WAKEUP3_SCRIPT, +}; + +static struct twl4030_ins wrst_seq[] __initdata = { +/* + * Reset twl4030. + * Reset VDD1 regulator. + * Reset VDD2 regulator. + * Reset VPLL1 regulator. + * Enable sysclk output. + * Reenable twl4030. + */ + {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2}, + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE), + 0x13}, + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 2, RES_STATE_WRST), 0x13}, + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13}, + {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13}, + {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13}, + {MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35}, + {MSG_SINGULAR(DEV_GRP_P1, RES_HFCLKOUT, RES_STATE_ACTIVE), 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 = TRITON_WRST_SCRIPT, +}; + +static struct twl4030_script *twl4030_scripts[] __initdata = { + /* wakeup12 script should be loaded before sleep script, otherwise a + board might hit retention before loading of wakeup script is + completed. This can cause boot failures depending on timing issues. + */ + &wakeup_script, + &sleep_on_script, + &wakeup_p3_script, + &wrst_script, +}; + +static struct twl4030_resconfig twl4030_rconfig[] = { + { .resource = RES_VINTANA1, .devgroup = -1, .type = -1, .type2 = 1 }, + { .resource = RES_VINTANA2, .devgroup = -1, .type = -1, .type2 = 1 }, + { .resource = RES_VINTDIG, .devgroup = -1, .type = -1, .type2 = 1 }, + { .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3}, + { .resource = RES_VMMC2, .devgroup = DEV_GRP_NULL, .type = -1, + .type2 = 3}, + { .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3}, + { .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3}, + { .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3}, + { .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3}, + { .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3}, + { .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3}, + { .resource = RES_VSIM, .devgroup = DEV_GRP_NULL, .type = -1, + .type2 = 3}, + { .resource = RES_CLKEN, .devgroup = DEV_GRP_P3, .type = -1, + .type2 = 1 }, + { 0, 0}, +}; + +static struct twl4030_power_data rx51_t2scripts_data = { + .scripts = twl4030_scripts, + .size = ARRAY_SIZE(twl4030_scripts), + .resource_config = twl4030_rconfig, +}; + + + static struct twl4030_platform_data rx51_twldata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, @@ -286,6 +403,7 @@ static struct twl4030_platform_data rx51_twldata = { .gpio = &rx51_gpio_data, .keypad = &rx51_kp_data, .madc = &rx51_madc_data, + .power = &rx51_t2scripts_data, .vaux1 = &rx51_vaux1, .vaux2 = &rx51_vaux2,