From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752087Ab2ATLJ7 (ORCPT ); Fri, 20 Jan 2012 06:09:59 -0500 Received: from hqemgate04.nvidia.com ([216.228.121.35]:12791 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751339Ab2ATLJ4 (ORCPT ); Fri, 20 Jan 2012 06:09:56 -0500 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Fri, 20 Jan 2012 03:09:55 -0800 From: Laxman Dewangan To: sameo@linux.intel.com, jedu@slimlogic.co.uk, lrg@slimlogic.co.uk, broonie@opensource.wolfsonmicro.com, gg@slimlogic.co.uk, linux-kernel@vger.kernel.org Cc: linux-tegra@vger.kernel.org, ldewangan@nvidia.com Subject: [PATCH V1] mfd: tps65910: Add wakeup support Date: Fri, 20 Jan 2012 16:39:30 +0530 Message-Id: <1327057770-6688-1-git-send-email-ldewangan@nvidia.com> X-Mailer: git-send-email 1.7.1.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding wakeup support for PMIC device 65910. This can be selected through the board specific platform data. The wakeup should enabled if PMIC need to be configure for waking up system through RTC or ONKEY. Signed-off-by: Laxman Dewangan --- This patch will enable the wakeup functionality through device tps65910/tps65911. drivers/mfd/tps65910-irq.c | 9 +++++++++ drivers/mfd/tps65910.c | 1 + include/linux/mfd/tps65910.h | 2 ++ 3 files changed, 12 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/tps65910-irq.c b/drivers/mfd/tps65910-irq.c index a56be93..8b6f423 100644 --- a/drivers/mfd/tps65910-irq.c +++ b/drivers/mfd/tps65910-irq.c @@ -210,6 +210,15 @@ int tps65910_irq_init(struct tps65910 *tps65910, int irq, if (ret != 0) dev_err(tps65910->dev, "Failed to request IRQ: %d\n", ret); + if (!ret && pdata->en_wakeup) { + device_init_wakeup(tps65910->dev, 1); + ret = enable_irq_wake(irq); + if (ret < 0) + dev_warn(tps65910->dev, "Can't enable IRQ as wake " + "source: %d\n", ret); + return 0; + } + return ret; } diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c index 8517481..88e3dec 100644 --- a/drivers/mfd/tps65910.c +++ b/drivers/mfd/tps65910.c @@ -169,6 +169,7 @@ static int tps65910_i2c_probe(struct i2c_client *i2c, init_data->irq = pmic_plat_data->irq; init_data->irq_base = pmic_plat_data->irq_base; + init_data->en_wakeup = pmic_plat_data->en_wakeup; tps65910_gpio_init(tps65910, pmic_plat_data->gpio_base); diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h index d0cb12e..ba8eb6a 100644 --- a/include/linux/mfd/tps65910.h +++ b/include/linux/mfd/tps65910.h @@ -777,6 +777,7 @@ struct tps65910_board { int gpio_base; int irq; int irq_base; + int en_wakeup; int vmbch_threshold; int vmbch2_threshold; struct regulator_init_data *tps65910_pmic_init_data[TPS65910_NUM_REGS]; @@ -813,6 +814,7 @@ struct tps65910 { struct tps65910_platform_data { int irq; int irq_base; + int en_wakeup; }; int tps65910_set_bits(struct tps65910 *tps65910, u8 reg, u8 mask); -- 1.7.1.1