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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A3D16C4332F for ; Fri, 4 Nov 2022 15:25:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iAJRGZZeWpbXAvtF41ngCIHLVNoMbrCnHhlT34LL0O8=; b=HCVEYIwCSZidg3 xew2r4Nn1+z79TstGV/CS8xSHouPZv8Mi1FrV1crhml2Wz2RA+hsuJwCBslJlqWWkOA2gCX0EoBDO QS+j7g8eLQ7Xlk2s0yUT3UevkZN9CwkT3Qa/ww/bKHkbZhRHTfWyveI7lcN0eRmAP3cLIxIsHAG1t PwHtzylow+Qt09waOMtaehsU+GANv9HcS9KS114+j7YTisF1CL8X1TyQqBaAiXeExx5S9x5L0x0uh tpyqth+FnRVkn8dCw/JkJE0zctmJ0WeI6NPnLX6I6ZXtTFKSkGqZB4GhIDDzdS+nCh6ocpGewYV4A DWoYSKrhN9w/oHGmEYxg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oqyYg-004BjI-VJ; Fri, 04 Nov 2022 15:24:39 +0000 Received: from mail-wr1-x42e.google.com ([2a00:1450:4864:20::42e]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oqyXj-004BMA-16 for linux-arm-kernel@lists.infradead.org; Fri, 04 Nov 2022 15:23:41 +0000 Received: by mail-wr1-x42e.google.com with SMTP id h9so7589311wrt.0 for ; Fri, 04 Nov 2022 08:23:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=w8eHLOFJQJzM0BamUupd+/1f2GqVnTtu7y6innU+1WQ=; b=W0Ken26tk3uKFks5Lr2XmoW8hgz9XA4bdqvekKGIui7+eY5kNZC6STrdOEx3W6r/It MN+Yq5ZWTLRafnyFIY3Rl/UzeT7ZRERp76W3O0xABZe5AeIctIMgXNT14i633XwxkBAp 1bjtojL6i6XyV7RILaxW82DPn5JqxhrFxk3vi8W8MQvlthQ3qbil/SljNjGguZ/zhlSO 19uQSDPwtKmtXtAXDeh8bzMhM8zxMLNryFcV8XL2fDwXpFqAxfhpWJhpw8Z5bi2VC/ta 0dIalo5U+02NJxAOFQreU1oCMufW1wBbV8axkXW0SVlg3Ci9nbMmiHgFYOgn7+SlKDhz Ce6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=w8eHLOFJQJzM0BamUupd+/1f2GqVnTtu7y6innU+1WQ=; b=RQ8/BFNB4Lh2Ydfcscmhw0nuW2owClAz12xQLv/Rk9ESHvayDUL8SaFNNVQUqzzoG3 fdmcFbp9HoaiKALg1dGVb3f2XUlQl9zrP9F2B+WXViuwYT/Di/8ebAYTQTB7qXS8UX2m 7e+hsd+F2HgeZkTxpUECvE1I/RZHeVFsFs3+2jzrN6XBhvQ3IXPpsc9Af10LhhV9J/KP h6BU2zjUoGjf43us9jr/gS0sF4WkB1mUiRWT1G1EHn3m+qf2Hx9czTLr91sRFq2f4veT 0A3U0eZaXYKMacZedk64NADl6v0WA0NTSNpmhhOMkcs8SUQq1Y1YjgEE2NCwG31lAyb2 Xo1A== X-Gm-Message-State: ACrzQf26CqiYLtdvqG7TuKnpdZb5zj/rVGuHkSx/ly57kV+XeU580xqw NuyRbjaGEcIJRnqa9vJzZc39IQ== X-Google-Smtp-Source: AMsMyM5rAVFF9hWtcozcOKVpHzQwEm7T/Z8o7eeM3GJ8s8ilnpQ5ikJiRTCCyAnFYWBojaS060gnyA== X-Received: by 2002:a5d:4351:0:b0:236:c820:97b8 with SMTP id u17-20020a5d4351000000b00236c82097b8mr19104800wrr.699.1667575417710; Fri, 04 Nov 2022 08:23:37 -0700 (PDT) Received: from localhost.localdomain (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id l41-20020a05600c08a900b003b4935f04a4sm3689764wmp.5.2022.11.04.08.23.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Nov 2022 08:23:37 -0700 (PDT) From: Jerome Neanne To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, nm@ti.com, kristo@kernel.org, dmitry.torokhov@gmail.com, krzysztof.kozlowski+dt@linaro.org, catalin.marinas@arm.com, will@kernel.org, lee@kernel.org, tony@atomide.com, vigneshr@ti.com, shawnguo@kernel.org, geert+renesas@glider.be, dmitry.baryshkov@linaro.org, marcel.ziswiler@toradex.com, vkoul@kernel.org, biju.das.jz@bp.renesas.com, arnd@arndb.de, jeff@labundy.com Cc: afd@ti.com, khilman@baylibre.com, narmstrong@baylibre.com, msp@baylibre.com, j-keerthy@ti.com, jneanne@baylibre.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH v7 5/6] Input: Add tps65219 interrupt driven powerbutton Date: Fri, 4 Nov 2022 16:23:10 +0100 Message-Id: <20221104152311.1098603-6-jneanne@baylibre.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221104152311.1098603-1-jneanne@baylibre.com> References: <20221104152311.1098603-1-jneanne@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221104_082339_157547_9076DBFD X-CRM114-Status: GOOD ( 23.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Markus Schneider-Pargmann TPS65219 has different interrupts compared to other TPS6521* chips. TPS65219 defines two interrupts for the powerbutton one for push and one for release. This driver is very simple in that it maps the push interrupt to a key input and the release interrupt to a key release. Signed-off-by: Markus Schneider-Pargmann Signed-off-by: Jerome Neanne Acked-by: Dmitry Torokhov Please feel free to merge through MFD tree. --- drivers/input/misc/Kconfig | 10 ++ drivers/input/misc/Makefile | 1 + drivers/input/misc/tps65219-pwrbutton.c | 148 ++++++++++++++++++++++++ 3 files changed, 159 insertions(+) create mode 100644 drivers/input/misc/tps65219-pwrbutton.c diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 9f088900f863..9065ff9fb300 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -468,6 +468,16 @@ config INPUT_TPS65218_PWRBUTTON To compile this driver as a module, choose M here. The module will be called tps65218-pwrbutton. +config INPUT_TPS65219_PWRBUTTON + tristate "TPS65219 Power button driver" + depends on MFD_TPS65219 + help + Say Y here if you want to enable power button reporting for + TPS65219 Power Management IC devices. + + To compile this driver as a module, choose M here. The module will + be called tps65219-pwrbutton. + config INPUT_AXP20X_PEK tristate "X-Powers AXP20X power button driver" depends on MFD_AXP20X diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 6abefc41037b..dd96976a6b73 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -80,6 +80,7 @@ obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY) += soc_button_array.o obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o obj-$(CONFIG_INPUT_STPMIC1_ONKEY) += stpmic1_onkey.o obj-$(CONFIG_INPUT_TPS65218_PWRBUTTON) += tps65218-pwrbutton.o +obj-$(CONFIG_INPUT_TPS65219_PWRBUTTON) += tps65219-pwrbutton.o obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) += twl4030-pwrbutton.o obj-$(CONFIG_INPUT_TWL4030_VIBRA) += twl4030-vibra.o obj-$(CONFIG_INPUT_TWL6040_VIBRA) += twl6040-vibra.o diff --git a/drivers/input/misc/tps65219-pwrbutton.c b/drivers/input/misc/tps65219-pwrbutton.c new file mode 100644 index 000000000000..245134bdb59e --- /dev/null +++ b/drivers/input/misc/tps65219-pwrbutton.c @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Driver for TPS65219 Push Button +// +// Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct tps65219_pwrbutton { + struct device *dev; + struct input_dev *idev; + char phys[32]; +}; + +static irqreturn_t tps65219_pb_push_irq(int irq, void *_pwr) +{ + struct tps65219_pwrbutton *pwr = _pwr; + + input_report_key(pwr->idev, KEY_POWER, 1); + pm_wakeup_event(pwr->dev, 0); + input_sync(pwr->idev); + + return IRQ_HANDLED; +} + +static irqreturn_t tps65219_pb_release_irq(int irq, void *_pwr) +{ + struct tps65219_pwrbutton *pwr = _pwr; + + input_report_key(pwr->idev, KEY_POWER, 0); + input_sync(pwr->idev); + + return IRQ_HANDLED; +} + +static int tps65219_pb_probe(struct platform_device *pdev) +{ + struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); + struct device *dev = &pdev->dev; + struct tps65219_pwrbutton *pwr; + struct input_dev *idev; + int error; + int push_irq; + int release_irq; + + pwr = devm_kzalloc(dev, sizeof(*pwr), GFP_KERNEL); + if (!pwr) + return -ENOMEM; + + idev = devm_input_allocate_device(dev); + if (!idev) + return -ENOMEM; + + idev->name = pdev->name; + snprintf(pwr->phys, sizeof(pwr->phys), "%s/input0", + pdev->name); + idev->phys = pwr->phys; + idev->id.bustype = BUS_I2C; + + input_set_capability(idev, EV_KEY, KEY_POWER); + + pwr->dev = dev; + pwr->idev = idev; + device_init_wakeup(dev, true); + + push_irq = platform_get_irq(pdev, 0); + if (push_irq < 0) + return -EINVAL; + + release_irq = platform_get_irq(pdev, 1); + if (release_irq < 0) + return -EINVAL; + + error = devm_request_threaded_irq(dev, push_irq, NULL, + tps65219_pb_push_irq, + IRQF_ONESHOT, + dev->init_name, pwr); + if (error) { + dev_err(dev, "failed to request push IRQ #%d: %d\n", push_irq, + error); + return error; + } + + error = devm_request_threaded_irq(dev, release_irq, NULL, + tps65219_pb_release_irq, + IRQF_ONESHOT, + dev->init_name, pwr); + if (error) { + dev_err(dev, "failed to request release IRQ #%d: %d\n", + release_irq, error); + return error; + } + + error = input_register_device(idev); + if (error) { + dev_err(dev, "Can't register power button: %d\n", error); + return error; + } + + /* Enable interrupts for the pushbutton */ + regmap_clear_bits(tps->regmap, TPS65219_REG_MASK_CONFIG, + TPS65219_REG_MASK_INT_FOR_PB_MASK); + + /* Set PB/EN/VSENSE pin to be a pushbutton */ + regmap_update_bits(tps->regmap, TPS65219_REG_MFP_2_CONFIG, + TPS65219_MFP_2_EN_PB_VSENSE_MASK, TPS65219_MFP_2_PB); + + return 0; +} + +static int tps65219_pb_remove(struct platform_device *pdev) +{ + struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); + + /* Disable interrupt for the pushbutton */ + return regmap_update_bits(tps->regmap, TPS65219_REG_MASK_CONFIG, + TPS65219_REG_MASK_INT_FOR_PB_MASK, + TPS65219_REG_MASK_INT_FOR_PB_MASK); +} + +static const struct platform_device_id tps65219_pwrbtn_id_table[] = { + { "tps65219-pwrbutton", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, tps65219_pwrbtn_id_table); + +static struct platform_driver tps65219_pb_driver = { + .probe = tps65219_pb_probe, + .remove = tps65219_pb_remove, + .driver = { + .name = "tps65219_pwrbutton", + }, + .id_table = tps65219_pwrbtn_id_table, +}; +module_platform_driver(tps65219_pb_driver); + +MODULE_DESCRIPTION("TPS65219 Power Button"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Markus Schneider-Pargmann