From patchwork Mon Aug 17 14:02:01 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 42043 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 n7HE3lUL032113 for ; Mon, 17 Aug 2009 14:03:48 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753754AbZHQOCL (ORCPT ); Mon, 17 Aug 2009 10:02:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753798AbZHQOCK (ORCPT ); Mon, 17 Aug 2009 10:02:10 -0400 Received: from ey-out-2122.google.com ([74.125.78.27]:63570 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753754AbZHQOCH (ORCPT ); Mon, 17 Aug 2009 10:02:07 -0400 Received: by ey-out-2122.google.com with SMTP id 22so681561eye.37 for ; Mon, 17 Aug 2009 07:02:07 -0700 (PDT) Received: by 10.210.104.11 with SMTP id b11mr7042165ebc.63.1250517726896; Mon, 17 Aug 2009 07:02:06 -0700 (PDT) Received: from localhost (a91-154-121-48.elisa-laajakaista.fi [91.154.121.48]) by mx.google.com with ESMTPS id 7sm554110eyg.27.2009.08.17.07.02.05 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 17 Aug 2009 07:02:06 -0700 (PDT) From: Amit Kucheria To: linux-kernel@vger.kernel.org Cc: sameo@linux.intel.com, tony@atomide.com, dbrownell@users.sourceforge.net, linux-omap@vger.kernel.org Subject: [PATCH 3/3] MFD: TWL4030: OMAP: Board-specifc DPS scripts for RX51 board Date: Mon, 17 Aug 2009 17:02:01 +0300 Message-Id: <1250517721-16104-1-git-send-email-amit.kucheria@verdurent.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1250517469-15899-1-git-send-email-amit.kucheria@verdurent.com> References: <1250517469-15899-1-git-send-email-amit.kucheria@verdurent.com> 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. These scripts are still a work-in-progress. I'll keep sending patches to update the scripts as they are optimised. Signed-off-by: Amit Kucheria Cc: sameo@linux.intel.com Cc: tony@atomide.com Cc: dbrownell@users.sourceforge.net Cc: linux-omap@vger.kernel.org --- arch/arm/mach-omap2/board-rx51-peripherals.c | 122 +++++++++++++++++++++++++- 1 files changed, 120 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index 9a0bf67..8fc6dbf 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 * @@ -278,7 +278,124 @@ static struct twl4030_gpio_platform_data rx51_gpio_data = { .setup = rx51_twlgpio_setup, }; -static struct twl4030_platform_data rx51_twldata = { +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 = TWL4030_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 = TWL4030_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 = TWL4030_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 = TWL4030_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[] __initdata = { + { .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 __initdata = { + .scripts = twl4030_scripts, + .num = ARRAY_SIZE(twl4030_scripts), + .resource_config = twl4030_rconfig, +}; + + + +static struct twl4030_platform_data rx51_twldata __initdata = { .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,