From patchwork Wed Apr 27 13:14:20 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 1191 Return-Path: Delivered-To: unknown Received: from imap.gmail.com (74.125.159.109) by localhost6.localdomain6 with IMAP4-SSL; 08 Jun 2011 14:50:04 -0000 Delivered-To: patches@linaro.org Received: by 10.224.2.73 with SMTP id 9cs108483qai; Wed, 27 Apr 2011 06:14:34 -0700 (PDT) Received: by 10.14.146.201 with SMTP id r49mr1020865eej.152.1303910073745; Wed, 27 Apr 2011 06:14:33 -0700 (PDT) Received: from eu1sys200aog113.obsmtp.com (eu1sys200aog113.obsmtp.com [207.126.144.135]) by mx.google.com with SMTP id t17si2713929eei.1.2011.04.27.06.14.26 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 27 Apr 2011 06:14:33 -0700 (PDT) Received-SPF: neutral (google.com: 207.126.144.135 is neither permitted nor denied by best guess record for domain of linus.walleij@stericsson.com) client-ip=207.126.144.135; Authentication-Results: mx.google.com; spf=neutral (google.com: 207.126.144.135 is neither permitted nor denied by best guess record for domain of linus.walleij@stericsson.com) smtp.mail=linus.walleij@stericsson.com Received: from beta.dmz-ap.st.com ([138.198.100.35]) (using TLSv1) by eu1sys200aob113.postini.com ([207.126.147.11]) with SMTP ID DSNKTbgWsmbb86o83GvoqtAWmAq0/q3n2oAT@postini.com; Wed, 27 Apr 2011 13:14:33 UTC Received: from zeta.dmz-ap.st.com (ns6.st.com [138.198.234.13]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id A9758CA; Wed, 27 Apr 2011 13:14:23 +0000 (GMT) Received: from relay1.stm.gmessaging.net (unknown [10.230.100.17]) by zeta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 222FD750; Wed, 27 Apr 2011 13:14:23 +0000 (GMT) Received: from exdcvycastm003.EQ1STM.local (alteon-source-exch [10.230.100.61]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (Client CN "exdcvycastm003", Issuer "exdcvycastm003" (not verified)) by relay1.stm.gmessaging.net (Postfix) with ESMTPS id 56C8424C300; Wed, 27 Apr 2011 15:14:15 +0200 (CEST) Received: from localhost.localdomain (10.230.100.153) by smtp.stericsson.com (10.230.100.1) with Microsoft SMTP Server (TLS) id 8.2.254.0; Wed, 27 Apr 2011 15:14:22 +0200 From: Linus Walleij To: Grant Likely , , Cc: Lee Jones , Linus Walleij Subject: [PATCH 08/10] gpio/nomadik-gpio: work with all machines Date: Wed, 27 Apr 2011 15:14:20 +0200 Message-ID: <1303910060-3538-1-git-send-email-linus.walleij@stericsson.com> X-Mailer: git-send-email 1.7.3.2 MIME-Version: 1.0 From: Linus Walleij The old NHK8815 machine does not have sleepmode, and it does not have the magic machine-specific cpu_is_u8500v2() macro either. Use platform data to pass in sleeping capability instead so we can compile for NHK8815. Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/cpu-db8500.c | 3 +++ drivers/gpio/nomadik-gpio.c | 13 +++++++++++-- include/linux/gpio/nomadik.h | 1 + 3 files changed, 15 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index f87f37c..69b4f00 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -152,6 +152,9 @@ static void __init db8500_add_gpios(void) /* No custom data yet */ }; + if (cpu_is_u8500v2()) + pdata.supports_sleepmode = true; + dbx500_add_gpios(ARRAY_AND_SIZE(db8500_gpio_base), IRQ_DB8500_GPIO0, &pdata); } diff --git a/drivers/gpio/nomadik-gpio.c b/drivers/gpio/nomadik-gpio.c index dd2d728..b30b6a2 100644 --- a/drivers/gpio/nomadik-gpio.c +++ b/drivers/gpio/nomadik-gpio.c @@ -4,6 +4,7 @@ * Copyright (C) 2008,2009 STMicroelectronics * Copyright (C) 2009 Alessandro Rubini * Rewritten based on work by Prafulla WADASKAR + * Copyright (C) 2011 Linus Walleij * * 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 @@ -48,6 +49,7 @@ struct nmk_gpio_chip { u32 (*get_secondary_status)(unsigned int bank); void (*set_ioforce)(bool enable); spinlock_t lock; + bool sleepmode; /* Keep track of configured edges */ u32 edge_rising; u32 edge_falling; @@ -568,6 +570,12 @@ static void __nmk_gpio_irq_modify(struct nmk_gpio_chip *nmk_chip, static void __nmk_gpio_set_wake(struct nmk_gpio_chip *nmk_chip, int gpio, bool on) { + if (nmk_chip->sleepmode) { + __nmk_gpio_set_slpm(nmk_chip, gpio - nmk_chip->chip.base, + on ? NMK_GPIO_SLPM_WAKEUP_ENABLE + : NMK_GPIO_SLPM_WAKEUP_DISABLE); + } + __nmk_gpio_irq_modify(nmk_chip, gpio, WAKE, on); } @@ -1001,7 +1009,7 @@ void nmk_gpio_wakeups_suspend(void) writel(chip->fwimsc & chip->real_wake, chip->addr + NMK_GPIO_FWIMSC); - if (cpu_is_u8500v2()) { + if (chip->sleepmode) { chip->slpm = readl(chip->addr + NMK_GPIO_SLPC); /* 0 -> wakeup enable */ @@ -1027,7 +1035,7 @@ void nmk_gpio_wakeups_resume(void) writel(chip->rwimsc, chip->addr + NMK_GPIO_RWIMSC); writel(chip->fwimsc, chip->addr + NMK_GPIO_FWIMSC); - if (cpu_is_u8500v2()) + if (chip->sleepmode) writel(chip->slpm, chip->addr + NMK_GPIO_SLPC); clk_disable(chip->clk); @@ -1114,6 +1122,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev) nmk_chip->secondary_parent_irq = secondary_irq; nmk_chip->get_secondary_status = pdata->get_secondary_status; nmk_chip->set_ioforce = pdata->set_ioforce; + nmk_chip->sleepmode = pdata->supports_sleepmode; spin_lock_init(&nmk_chip->lock); chip = &nmk_chip->chip; diff --git a/include/linux/gpio/nomadik.h b/include/linux/gpio/nomadik.h index 539dda8..cc956d1 100644 --- a/include/linux/gpio/nomadik.h +++ b/include/linux/gpio/nomadik.h @@ -81,6 +81,7 @@ struct nmk_gpio_platform_data { int num_gpio; u32 (*get_secondary_status)(unsigned int bank); void (*set_ioforce)(bool enable); + bool supports_sleepmode; }; #endif