From patchwork Thu Aug 3 12:25:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: chenjh chenjh X-Patchwork-Id: 9878953 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 83A0D60360 for ; Thu, 3 Aug 2017 12:26:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 77BDD2863C for ; Thu, 3 Aug 2017 12:26:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6C4A72875C; Thu, 3 Aug 2017 12:26:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 111EA2863C for ; Thu, 3 Aug 2017 12:26:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=26/ubmwcJwohZ6zvY957DW42r1aOycMtmgHklzi5sHs=; b=rgpkyb2XTwQsMRZIdADkVxCFC0 MQk78AugPvM4SwxeyvO8GQl3vC8S/RhI/47BH/+71JjenMyVeG2j3c8mahprDP/d5yo6SDt7Jexv2 uo/qdbwov0DOAmx93IkqQEii1pivb8TFt1KeA5PMj+xWaJOwf8CJLq8tekEYM/DpiOjlyTsartmLV WaiOD97syrwrr5RVmOtm6G8FTbMUxyVHH2iH3+4kpjaJPQQ3itH+OFcDby4a4I/n+VnWOHh6I6Jmh 2j/Nw/PefM1Biw40+D3B77SwE8jnGMGDIe8m6bEHsgtkeLQhT3eizwzZEKFsiMSyjHEBeLtFd0lhn +kenWrLA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ddFCw-0001v3-NE; Thu, 03 Aug 2017 12:26:30 +0000 Received: from regular1.263xmail.com ([211.150.99.131]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1ddFCs-0001qJ-QW for linux-rockchip@lists.infradead.org; Thu, 03 Aug 2017 12:26:28 +0000 Received: from chenjh?rock-chips.com (unknown [192.168.167.183]) by regular1.263xmail.com (Postfix) with ESMTP id 30E8661EE; Thu, 3 Aug 2017 20:26:01 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 51241308; Thu, 3 Aug 2017 20:26:00 +0800 (CST) X-RL-SENDER: chenjh@rock-chips.com X-FST-TO: gnurou@gmail.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: chenjh@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: chenjh@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 20916PKKUS9; Thu, 03 Aug 2017 20:26:02 +0800 (CST) From: Joseph Chen To: gnurou@gmail.com, linus.walleij@linaro.org, dmitry.torokhov@gmail.com Subject: [PATCH v8 09/12] Input: Add power key driver for Rockchip RK805 PMIC Date: Thu, 3 Aug 2017 20:25:47 +0800 Message-Id: <1501763147-20537-1-git-send-email-chenjh@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1501762841-20262-1-git-send-email-chenjh@rock-chips.com> References: <1501762841-20262-1-git-send-email-chenjh@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170803_052627_345713_5C454174 X-CRM114-Status: GOOD ( 14.30 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: huangtao@rock-chips.com, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, broonie@kernel.org, zhangqing@rock-chips.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, lgirdwood@gmail.com, linux-rockchip@lists.infradead.org, wdc@rock-chips.com, tony.xie@rock-chips.com, linux-input@vger.kernel.org, mark.rutland@arm.com, w.egorov@phytec.de, Joseph Chen MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This driver provides a input driver for the power key on the Rockchip RK805 PMIC. Signed-off-by: Joseph Chen --- drivers/input/misc/Kconfig | 6 +++ drivers/input/misc/Makefile | 1 + drivers/input/misc/rk805-pwrkey.c | 111 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 118 insertions(+) create mode 100644 drivers/input/misc/rk805-pwrkey.c diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 5b6c522..72dc4f5 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -571,6 +571,12 @@ config INPUT_PWM_BEEPER To compile this driver as a module, choose M here: the module will be called pwm-beeper. +config INPUT_RK805_PWRKEY + tristate "Rockchip RK805 PMIC power key support" + depends on MFD_RK808 + help + Select this option to enable power key driver for RK805. + config INPUT_GPIO_ROTARY_ENCODER tristate "Rotary encoders connected to GPIO pins" depends on GPIOLIB || COMPILE_TEST diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index b10523f..c27052a 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -63,6 +63,7 @@ obj-$(CONFIG_INPUT_REGULATOR_HAPTIC) += regulator-haptic.o obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o obj-$(CONFIG_INPUT_AXP20X_PEK) += axp20x-pek.o obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o +obj-$(CONFIG_INPUT_RK805_PWRKEY) += rk805-pwrkey.o obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o obj-$(CONFIG_INPUT_SIRFSOC_ONKEY) += sirfsoc-onkey.o obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY) += soc_button_array.o diff --git a/drivers/input/misc/rk805-pwrkey.c b/drivers/input/misc/rk805-pwrkey.c new file mode 100644 index 0000000..e0fc66e --- /dev/null +++ b/drivers/input/misc/rk805-pwrkey.c @@ -0,0 +1,111 @@ +/* + * Rockchip RK805 PMIC Power Key driver + * + * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd + * + * Author: Joseph Chen + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#include +#include +#include +#include +#include +#include +#include + +static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr) +{ + struct input_dev *pwr = _pwr; + + input_report_key(pwr, KEY_POWER, 1); + input_sync(pwr); + + return IRQ_HANDLED; +} + +static irqreturn_t pwrkey_rise_irq(int irq, void *_pwr) +{ + struct input_dev *pwr = _pwr; + + input_report_key(pwr, KEY_POWER, 0); + input_sync(pwr); + + return IRQ_HANDLED; +} + +static int rk805_pwrkey_probe(struct platform_device *pdev) +{ + struct input_dev *pwr; + int fall_irq, rise_irq; + int err; + + pwr = devm_input_allocate_device(&pdev->dev); + if (!pwr) { + dev_err(&pdev->dev, "Can't allocate power button\n"); + return -ENOMEM; + } + + pwr->name = "rk805 pwrkey"; + pwr->phys = "rk805_pwrkey/input0"; + pwr->dev.parent = &pdev->dev; + input_set_capability(pwr, EV_KEY, KEY_POWER); + + fall_irq = platform_get_irq(pdev, 0); + if (fall_irq < 0) { + dev_err(&pdev->dev, "Can't get fall irq: %d\n", fall_irq); + return fall_irq; + } + + rise_irq = platform_get_irq(pdev, 1); + if (rise_irq < 0) { + dev_err(&pdev->dev, "Can't get rise irq: %d\n", rise_irq); + return rise_irq; + } + + err = devm_request_any_context_irq(&pwr->dev, fall_irq, + pwrkey_fall_irq, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + "rk805_pwrkey_fall", pwr); + if (err < 0) { + dev_err(&pdev->dev, "Can't register fall irq: %d\n", err); + return err; + } + + err = devm_request_any_context_irq(&pwr->dev, rise_irq, + pwrkey_rise_irq, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "rk805_pwrkey_rise", pwr); + if (err < 0) { + dev_err(&pdev->dev, "Can't register rise irq: %d\n", err); + return err; + } + + err = input_register_device(pwr); + if (err) { + dev_err(&pdev->dev, "Can't register power button: %d\n", err); + return err; + } + + platform_set_drvdata(pdev, pwr); + device_init_wakeup(&pdev->dev, true); + + return 0; +} + +static struct platform_driver rk805_pwrkey_driver = { + .probe = rk805_pwrkey_probe, + .driver = { + .name = "rk805-pwrkey", + }, +}; +module_platform_driver(rk805_pwrkey_driver); + +MODULE_AUTHOR("Joseph Chen "); +MODULE_DESCRIPTION("RK805 PMIC Power Key driver"); +MODULE_LICENSE("GPL v2");