From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751641AbdFHHiI (ORCPT ); Thu, 8 Jun 2017 03:38:08 -0400 Received: from regular1.263xmail.com ([211.150.99.139]:44212 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750752AbdFHHiG (ORCPT ); Thu, 8 Jun 2017 03:38:06 -0400 X-Greylist: delayed 353 seconds by postgrey-1.27 at vger.kernel.org; Thu, 08 Jun 2017 03:38:04 EDT X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 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-DNS-TYPE: 0 From: Jianhong Chen To: gnurou@gmail.com, linus.walleij@linaro.org, dmitry.torokhov@gmail.com Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, huangtao@rock-chips.com, tony.xie@rock-chips.com, zhangqing@rock-chips.com, devicetree@vger.kernel.org, w.egorov@phytec.de, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-gpio@vger.kernel.org, linux-input@vger.kernel.org, chenjh Subject: [PATCH v6 09/12] Input: Add power key driver for Rockchip RK805 PMIC Date: Thu, 8 Jun 2017 15:30:27 +0800 Message-Id: <1496907027-27197-1-git-send-email-chenjh@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1496905959-29202-1-git-send-email-chenjh@rock-chips.com> References: <1496905959-29202-1-git-send-email-chenjh@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: chenjh This driver provides a input driver for the power key on the Rockchip RK805 PMIC. Signed-off-by: chenjh --- 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..188eed5 --- /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: Chen Jianhong + * + * 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_threaded_irq(&pwr->dev, fall_irq, NULL, + 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_threaded_irq(&pwr->dev, rise_irq, NULL, + 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("Chen Jianghong "); +MODULE_DESCRIPTION("RK805 PMIC Power Key driver"); +MODULE_LICENSE("GPL v2"); -- 1.9.1