From patchwork Sat Nov 16 18:58:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1196172 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=fi.rohmeurope.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47FkyP6B3Lz9sPf for ; Sun, 17 Nov 2019 05:58:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727601AbfKPS6c (ORCPT ); Sat, 16 Nov 2019 13:58:32 -0500 Received: from mail-lf1-f67.google.com ([209.85.167.67]:46038 "EHLO mail-lf1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727561AbfKPS6c (ORCPT ); Sat, 16 Nov 2019 13:58:32 -0500 Received: by mail-lf1-f67.google.com with SMTP id v8so10542013lfa.12; Sat, 16 Nov 2019 10:58:30 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=WBMubSJK3yYX1LJw7bJIh1492Hjr+617R5W1VJHNuuc=; b=QJwcRDneMoRulG38qXOVSVb/xzg3QmorosvP7nLr+QTyghAvUqclvhqibJxsFJMyy/ XXlbyYCaOabfRZ7INqZOdtmDrloqeQBDleOStw1pQhj5pVjDF5PGK8A/B0NCvKaFRwcc ndxYdeF7e82X7FBK+a+/9WZZMbbOdC8ErrBFZtay2vJv+LTetj7mxWWDtWUEMoAP7DD3 MXQOSKqZAxz4BvJxp45+wTDL5+vChNqH9t/w72C6QwTHNs6dNqRGX1mDsFyAlgZfhLIz 69p0fcwt9lL7KtsPpxPJF6amziITgEfD4kKEu/EPJ5WvuKV+LNGvydDKltwJ6LjxRm8u B+3g== X-Gm-Message-State: APjAAAUQonzdIW1QoVa+Zt5XFo83N1VnPbH0wmlSOcySyfN6dQkoYKrr HTRK/mNHPo8tyyhvlona+1I= X-Google-Smtp-Source: APXvYqw8XA8clz/DfIxUbN4D3geVVKZKP0PsUfrPBmqdFVjRi79DAVNlNltXjp/NoAw+4fqJaldK3A== X-Received: by 2002:a19:ca1b:: with SMTP id a27mr5906044lfg.93.1573930709693; Sat, 16 Nov 2019 10:58:29 -0800 (PST) Received: from localhost.localdomain (dyttqz39y2bkc1ryvyh3t-4.rev.dnainternet.fi. [2001:14bb:420:da5f:a0b0:502a:b811:1af]) by smtp.gmail.com with ESMTPSA id r4sm5723041ljn.64.2019.11.16.10.58.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Nov 2019 10:58:29 -0800 (PST) Date: Sat, 16 Nov 2019 20:58:20 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Lee Jones , Jacek Anaszewski , Pavel Machek , Dan Murphy , Rob Herring , Mark Rutland , Liam Girdwood , Mark Brown , Jonathan Corbet , Michael Turquette , Stephen Boyd , Linus Walleij , Bartosz Golaszewski , Alessandro Zummo , Alexandre Belloni , Mauro Carvalho Chehab , Jeff Kirsher , Wolfram Sang , Marek Szyprowski , Heiner Kallweit , Nicholas Mc Guire , Phil Edworthy , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [PATCH v4 06/16] mfd: input: bd71828: Add power-key support Message-ID: <3d9db6ef3de2e851c9e00e1e20aa5bdbf7e2b09c.1573928775.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Use gpio_keys to send power input-event to user-space when power button (short) press is detected. Signed-off-by: Matti Vaittinen Acked-for-MFD-by: Lee Jones --- drivers/mfd/rohm-bd71828.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c index 7f445d699fd9..b892b50ec555 100644 --- a/drivers/mfd/rohm-bd71828.c +++ b/drivers/mfd/rohm-bd71828.c @@ -4,7 +4,9 @@ // // ROHM BD71828 PMIC driver +#include #include +#include #include #include #include @@ -15,6 +17,18 @@ #include #include +static struct gpio_keys_button button = { + .code = KEY_POWER, + .gpio = -1, + .type = EV_KEY, +}; + +static struct gpio_keys_platform_data bd71828_powerkey_data = { + .buttons = &button, + .nbuttons = 1, + .name = "bd71828-pwrkey", +}; + static const struct resource rtc_irqs[] = { DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC0, "bd71828-rtc-alm-0"), DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC1, "bd71828-rtc-alm-1"), @@ -35,6 +49,10 @@ static struct mfd_cell bd71828_mfd_cells[] = { .name = "bd71828-rtc", .resources = rtc_irqs, .num_resources = ARRAY_SIZE(rtc_irqs), + }, { + .name = "gpio-keys", + .platform_data = &bd71828_powerkey_data, + .pdata_size = sizeof(bd71828_powerkey_data), }, }; @@ -288,6 +306,14 @@ static int bd71828_i2c_probe(struct i2c_client *i2c) dev_dbg(&i2c->dev, "Registered %d IRQs for chip\n", bd71828_irq_chip.num_irqs); + ret = regmap_irq_get_virq(irq_data, BD71828_INT_SHORTPUSH); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to get the power-key IRQ\n"); + return ret; + } + + button.irq = ret; + ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, bd71828_mfd_cells, ARRAY_SIZE(bd71828_mfd_cells), NULL, 0,