From patchwork Thu Apr 11 12:42:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 1084015 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) 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=bgdev.pl Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="P19v500h"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44g1023k8Gz9s9y for ; Thu, 11 Apr 2019 22:42:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726783AbfDKMmw (ORCPT ); Thu, 11 Apr 2019 08:42:52 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:42776 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726938AbfDKMmg (ORCPT ); Thu, 11 Apr 2019 08:42:36 -0400 Received: by mail-wr1-f65.google.com with SMTP id g3so7130953wrx.9 for ; Thu, 11 Apr 2019 05:42:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=yH8XFskncHoOmFNUeIZORg82y/ikt/RMLTfO1CbkEYI=; b=P19v500hmm3pK1MWjZLGXiH2BnQH0xgxF147ZVWg25pOSWuQnGA9XAVJMMe8LVRacD P8I5JgD9oEuKsECJ2+be2dA/IOHuFc962tY5JImiOI/mQpH1uRZF+t11jTQNxVuB/ifp Udcimj7/DH122qXANY7DqeuAItm0TtJBysvGTQhjI7UY6m+cC6/83qw63pKn9mOaQ9pa I3Y0sSrizi+yZ7Ud+8micSrzxNkUha/UolB139t56En/SWPV6/7pGp9/5PC/NTWqcTgX PuvISOjkTxZSlmmwXZhaQP8bmo7Rl4fQx6TNAwvFYhbNvWkjD7JT+JR7UN3Q1OjR0Czu 9rtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=yH8XFskncHoOmFNUeIZORg82y/ikt/RMLTfO1CbkEYI=; b=QGtxGG/UU0cfp5J6LHgerN9LOeljpxBK5+o9jbmzi5ZacNeQFPO+pvsqT8HwEFZu47 wIdhBPn65b7gi22ypghhcVXntcumMDKxW9o7g+ZIkl9JR+M1zLUbAxPXQGUmDgaxdy+N 0jA6LDuBtU0k1WkzTZNenWIg4X6QN9/G/emaousdfJGgoYBg0KkJRNF0oP1VXbkj0Qm6 R7p6aqIvE+5OT7rSGOmqPP7T7aFi60/DcbKIGpYtAyHDrhEyv1tygNf86eAKF7d7jS/n YKFg/PbTzUw00IX0c1koEnQb7qmTS9+SaqclsaL3z2yd2FhmhDqRMFSCu2qlO6bMMylx oWHA== X-Gm-Message-State: APjAAAW+/aSfDKw3tn+26tGIM6BT4YtIcsW7zk3H6uaP5phkkS3zdf8X +oidM+AYLQ+0C9X3C3aZDHKWdg== X-Google-Smtp-Source: APXvYqxi5DUjlQwutL2i5CflZDK+s1qPHTJW1Qbw50UQ4mbJPFSisKzZFFpsLKjS1+iT8LlElspSVw== X-Received: by 2002:adf:e487:: with SMTP id i7mr2573619wrm.264.1554986554997; Thu, 11 Apr 2019 05:42:34 -0700 (PDT) Received: from debian-brgl.home ([2a01:cb1d:af:5b00:6d6c:8493:1ab5:dad7]) by smtp.gmail.com with ESMTPSA id d4sm32894510wrv.42.2019.04.11.05.42.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Apr 2019 05:42:34 -0700 (PDT) From: Bartosz Golaszewski To: Rob Herring , Mark Rutland , Linus Walleij , Dmitry Torokhov , Jacek Anaszewski , Pavel Machek , Lee Jones , Sebastian Reichel , Liam Girdwood , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-input@vger.kernel.org, linux-leds@vger.kernel.org, linux-pm@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v9 10/11] input: max77650: add onkey support Date: Thu, 11 Apr 2019 14:42:11 +0200 Message-Id: <20190411124212.7612-11-brgl@bgdev.pl> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190411124212.7612-1-brgl@bgdev.pl> References: <20190411124212.7612-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Bartosz Golaszewski Add support for the push- and slide-button events for max77650. Signed-off-by: Bartosz Golaszewski Acked-by: Dmitry Torokhov Acked-by: Pavel Machek --- drivers/input/misc/Kconfig | 9 +++ drivers/input/misc/Makefile | 1 + drivers/input/misc/max77650-onkey.c | 121 ++++++++++++++++++++++++++++ 3 files changed, 131 insertions(+) create mode 100644 drivers/input/misc/max77650-onkey.c diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index e15ed1bb8558..85bc675eecd3 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -190,6 +190,15 @@ config INPUT_M68K_BEEP tristate "M68k Beeper support" depends on M68K +config INPUT_MAX77650_ONKEY + tristate "Maxim MAX77650 ONKEY support" + depends on MFD_MAX77650 + help + Support the ONKEY of the MAX77650 PMIC as an input device. + + To compile this driver as a module, choose M here: the module + will be called max77650-onkey. + config INPUT_MAX77693_HAPTIC tristate "MAXIM MAX77693/MAX77843 haptic controller support" depends on (MFD_MAX77693 || MFD_MAX77843) && PWM diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index b936c5b1d4ac..ffd72161c79b 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o obj-$(CONFIG_INPUT_KXTJ9) += kxtj9.o obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o +obj-$(CONFIG_INPUT_MAX77650_ONKEY) += max77650-onkey.o obj-$(CONFIG_INPUT_MAX77693_HAPTIC) += max77693-haptic.o obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o diff --git a/drivers/input/misc/max77650-onkey.c b/drivers/input/misc/max77650-onkey.c new file mode 100644 index 000000000000..fbf6caab7217 --- /dev/null +++ b/drivers/input/misc/max77650-onkey.c @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (C) 2018 BayLibre SAS +// Author: Bartosz Golaszewski +// +// ONKEY driver for MAXIM 77650/77651 charger/power-supply. + +#include +#include +#include +#include +#include +#include +#include + +#define MAX77650_ONKEY_MODE_MASK BIT(3) +#define MAX77650_ONKEY_MODE_PUSH 0x00 +#define MAX77650_ONKEY_MODE_SLIDE BIT(3) + +struct max77650_onkey { + struct input_dev *input; + unsigned int code; +}; + +static irqreturn_t max77650_onkey_falling(int irq, void *data) +{ + struct max77650_onkey *onkey = data; + + input_report_key(onkey->input, onkey->code, 0); + input_sync(onkey->input); + + return IRQ_HANDLED; +} + +static irqreturn_t max77650_onkey_rising(int irq, void *data) +{ + struct max77650_onkey *onkey = data; + + input_report_key(onkey->input, onkey->code, 1); + input_sync(onkey->input); + + return IRQ_HANDLED; +} + +static int max77650_onkey_probe(struct platform_device *pdev) +{ + int irq_r, irq_f, error, mode; + struct max77650_onkey *onkey; + struct device *dev, *parent; + struct regmap *map; + unsigned int type; + + dev = &pdev->dev; + parent = dev->parent; + + map = dev_get_regmap(parent, NULL); + if (!map) + return -ENODEV; + + onkey = devm_kzalloc(dev, sizeof(*onkey), GFP_KERNEL); + if (!onkey) + return -ENOMEM; + + error = device_property_read_u32(dev, "linux,code", &onkey->code); + if (error) + onkey->code = KEY_POWER; + + if (device_property_read_bool(dev, "maxim,onkey-slide")) { + mode = MAX77650_ONKEY_MODE_SLIDE; + type = EV_SW; + } else { + mode = MAX77650_ONKEY_MODE_PUSH; + type = EV_KEY; + } + + error = regmap_update_bits(map, MAX77650_REG_CNFG_GLBL, + MAX77650_ONKEY_MODE_MASK, mode); + if (error) + return error; + + irq_f = platform_get_irq_byname(pdev, "nEN_F"); + if (irq_f < 0) + return irq_f; + + irq_r = platform_get_irq_byname(pdev, "nEN_R"); + if (irq_r < 0) + return irq_r; + + onkey->input = devm_input_allocate_device(dev); + if (!onkey->input) + return -ENOMEM; + + onkey->input->name = "max77650_onkey"; + onkey->input->phys = "max77650_onkey/input0"; + onkey->input->id.bustype = BUS_I2C; + input_set_capability(onkey->input, type, onkey->code); + + error = devm_request_any_context_irq(dev, irq_f, max77650_onkey_falling, + IRQF_ONESHOT, "onkey-down", onkey); + if (error < 0) + return error; + + error = devm_request_any_context_irq(dev, irq_r, max77650_onkey_rising, + IRQF_ONESHOT, "onkey-up", onkey); + if (error < 0) + return error; + + return input_register_device(onkey->input); +} + +static struct platform_driver max77650_onkey_driver = { + .driver = { + .name = "max77650-onkey", + }, + .probe = max77650_onkey_probe, +}; +module_platform_driver(max77650_onkey_driver); + +MODULE_DESCRIPTION("MAXIM 77650/77651 ONKEY driver"); +MODULE_AUTHOR("Bartosz Golaszewski "); +MODULE_LICENSE("GPL v2");