From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1B7FFA3732 for ; Thu, 17 Oct 2019 09:43:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A203D20663 for ; Thu, 17 Oct 2019 09:43:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393786AbfJQJnJ (ORCPT ); Thu, 17 Oct 2019 05:43:09 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:35865 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726750AbfJQJnI (ORCPT ); Thu, 17 Oct 2019 05:43:08 -0400 Received: by mail-lj1-f194.google.com with SMTP id v24so1839151ljj.3; Thu, 17 Oct 2019 02:43:07 -0700 (PDT) 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=w4waBAdvy4UQosRJ9zSozjZupMev2dHO+f/Dvftkbl8=; b=JUXpD1X2VeDfXdaWBVeYiwH1l0JOSYcjqXpBBpZmL5JJsxo1ojqvv4aowYsf4NLsf0 +onl7YHV90Xog+Dc+KASUX8D0v1J9yHBSGklw+7XKWreG3BMR10eGGbhj3aqjGJX9U/7 uiKUTrnM5xlC6ce2v01QsLJisqyaCyZ6hoNYy1UzZzs3Wa8OwKtYb18lQ4IBxCyfGcGr kEl5mrwzpVI8wNaPiJs2dnVhd3xubWVd4qbXg/7ky0KZETd4+yJ56Qu8e2HRZPn6pLy4 bqFenwzMSE0WC6y7gHYA2oA1cc/SWOYG0fPqhhSyIvKwVIdfPf4MOnnA4qby1EHjdcw/ bEPQ== X-Gm-Message-State: APjAAAWe+Ks6FEDolsaD7/PP2UUyOjGOA6H1Gd1FQURoPV202U3aHagy OkK4qqzras6h68UYIIMAKPE= X-Google-Smtp-Source: APXvYqz8XtT+GDN8yAvJChXBJIn6PPjoVQsNya0269c1+8EHZPyhkW8aqP9ci9aVY1j4INmD9W3ksg== X-Received: by 2002:a2e:9e85:: with SMTP id f5mr1793634ljk.247.1571305386310; Thu, 17 Oct 2019 02:43:06 -0700 (PDT) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id i21sm793392lfl.44.2019.10.17.02.43.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Oct 2019 02:43:05 -0700 (PDT) Date: Thu, 17 Oct 2019 12:42:57 +0300 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Dmitry Torokhov , Lee Jones , Rob Herring , Mark Rutland , Liam Girdwood , Mark Brown , Michael Turquette , Stephen Boyd , Linus Walleij , Bartosz Golaszewski , Jacek Anaszewski , Pavel Machek , Dan Murphy , Alessandro Zummo , Alexandre Belloni , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-leds@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [RFC PATCH 02/13] mfd: input: bd71828: Add power-key support Message-ID: <5b69d8cabbd5f6421b73714c6d4fb3442b6efc43.1571302099.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- drivers/mfd/rohm-bd71828.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c index b7de79e1fcdb..f77ba1ec3e99 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"), @@ -36,6 +50,10 @@ static struct mfd_cell bd71828_mfd_cells[] = { .name = "bd70528-rtc", .resources = rtc_irqs, .num_resources = ARRAY_SIZE(rtc_irqs), + }, { + .name = "gpio-keys", + .platform_data = &bd71828_powerkey_data, + .pdata_size = sizeof(bd71828_powerkey_data), }, }; @@ -288,9 +306,19 @@ static int bd71828_i2c_probe(struct i2c_client *i2c, dev_err(&i2c->dev, "Failed to add IRQ chip\n"); return ret; } + 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, -- 2.21.0 -- Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~ Simon says - in Latin please. ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~ Thanks to Simon Glass for the translation =]