From patchwork Wed Feb 6 01:33:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 10798735 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 406BE1823 for ; Wed, 6 Feb 2019 01:34:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DA6B28DBA for ; Wed, 6 Feb 2019 01:34:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 216232B27B; Wed, 6 Feb 2019 01:34:07 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C314128DBA for ; Wed, 6 Feb 2019 01:34:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728708AbfBFBdl (ORCPT ); Tue, 5 Feb 2019 20:33:41 -0500 Received: from onstation.org ([52.200.56.107]:57514 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728475AbfBFBdl (ORCPT ); Tue, 5 Feb 2019 20:33:41 -0500 Received: from localhost.localdomain (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id 5FEF716D; Wed, 6 Feb 2019 01:33:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=onstation.org; s=default; t=1549416820; bh=sw/i34QmxDYqfCCnL7RYab+sbSITGFMKWEJ3JuU2+wU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uaemarzYNG9DF5dqrur07yX4mULezbmpNUy8+wNOJ/e54enSZPbAit9DPh9I7zUP/ y4qhnYzXUDBn9f/yNc3sxGlnM5D330XuYcQD+vvDM3InoA8xNR7IYyhqPYk8YOnOHn LTBnDVdNxZxt3nIfCGSoGfsjKVd6D3iRP6QJ6nPY= From: Brian Masney To: dmitry.torokhov@gmail.com, andy.gross@linaro.org Cc: david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, jonathan@marek.ca Subject: [PATCH v4 1/3] dt-bindings: Input: new bindings for MSM vibrator Date: Tue, 5 Feb 2019 20:33:27 -0500 Message-Id: <20190206013329.18195-2-masneyb@onstation.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190206013329.18195-1-masneyb@onstation.org> References: <20190206013329.18195-1-masneyb@onstation.org> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the device tree bindings for the vibrator found on various Qualcomm MSM SOCs. Signed-off-by: Brian Masney Reviewed-by: Rob Herring --- Changes since v3: - None .../bindings/input/msm-vibrator.txt | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/msm-vibrator.txt diff --git a/Documentation/devicetree/bindings/input/msm-vibrator.txt b/Documentation/devicetree/bindings/input/msm-vibrator.txt new file mode 100644 index 000000000000..8dcf014ef2e5 --- /dev/null +++ b/Documentation/devicetree/bindings/input/msm-vibrator.txt @@ -0,0 +1,36 @@ +* Device tree bindings for the Qualcomm MSM vibrator + +Required properties: + + - compatible: Should be one of + "qcom,msm8226-vibrator" + "qcom,msm8974-vibrator" + - reg: the base address and length of the IO memory for the registers. + - pinctrl-names: set to default. + - pinctrl-0: phandles pointing to pin configuration nodes. See + Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + - clock-names: set to pwm + - clocks: phandle of the clock. See + Documentation/devicetree/bindings/clock/clock-bindings.txt + - enable-gpios: GPIO that enables the vibrator. + +Optional properties: + + - vcc-supply: phandle to the regulator that provides power to the sensor. + +Example from a LG Nexus 5 (hammerhead) phone: + +vibrator@fd8c3450 { + reg = <0xfd8c3450 0x400>; + compatible = "qcom,msm8974-vibrator"; + + vcc-supply = <&pm8941_l19>; + + clocks = <&mmcc CAMSS_GP1_CLK>; + clock-names = "pwm"; + + enable-gpios = <&msmgpio 60 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&vibrator_pin>; +}; From patchwork Wed Feb 6 01:33:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 10798729 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2B07713B4 for ; Wed, 6 Feb 2019 01:34:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 166E428B3C for ; Wed, 6 Feb 2019 01:34:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 095E52A86B; Wed, 6 Feb 2019 01:34:03 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C79D28B3C for ; Wed, 6 Feb 2019 01:34:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728693AbfBFBdz (ORCPT ); Tue, 5 Feb 2019 20:33:55 -0500 Received: from onstation.org ([52.200.56.107]:57526 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728689AbfBFBdm (ORCPT ); Tue, 5 Feb 2019 20:33:42 -0500 Received: from localhost.localdomain (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id C28E2195; Wed, 6 Feb 2019 01:33:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=onstation.org; s=default; t=1549416821; bh=okNnDTMNuTxuHQ38DAXD3RugN4GY+t0bin5O/pB+JZk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Az5UxMxEvG3yXaOzA3sA9nEJkcTuHsOWreP00jZpEzaFfMrCqQfSkWTSAQvbWaRcy kP79V67QwbeAxEVTwJweVnGqb5unsc1o8G48yL3X3oQYyYEauXTvNplp2CkMPugvCH l2Ex3edbgruLJ926tArOWxGg9k5Hod/GEuEl5sTU= From: Brian Masney To: dmitry.torokhov@gmail.com, andy.gross@linaro.org Cc: david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, jonathan@marek.ca Subject: [PATCH v4 2/3] Input: add new vibrator driver for various MSM SOCs Date: Tue, 5 Feb 2019 20:33:28 -0500 Message-Id: <20190206013329.18195-3-masneyb@onstation.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190206013329.18195-1-masneyb@onstation.org> References: <20190206013329.18195-1-masneyb@onstation.org> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds a new vibrator driver that supports various Qualcomm MSM SOCs. Driver was tested on a LG Nexus 5 (hammerhead) phone. Signed-off-by: Brian Masney --- Changes since v3: - Made msm_vibrator_write a function instead of a macro. - Check for -EPROBE_DEFER for gpio and clk for consistency with the regulator. - Check for NULL return value from devm_ioremap() instead of using IS_ERR() - Don't set dev.parent - Use platform_get_drvdata() in suspend and resume drivers/input/misc/Kconfig | 10 ++ drivers/input/misc/Makefile | 1 + drivers/input/misc/msm-vibrator.c | 282 ++++++++++++++++++++++++++++++ 3 files changed, 293 insertions(+) create mode 100644 drivers/input/misc/msm-vibrator.c diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index ca59a2be9bc5..e39aef84f357 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -117,6 +117,16 @@ config INPUT_E3X0_BUTTON To compile this driver as a module, choose M here: the module will be called e3x0_button. +config INPUT_MSM_VIBRATOR + tristate "Qualcomm MSM vibrator driver" + select INPUT_FF_MEMLESS + help + Support for the vibrator that is found on various Qualcomm MSM + SOCs. + + To compile this driver as a module, choose M here: the module + will be called msm_vibrator. + config INPUT_PCSPKR tristate "PC Speaker support" depends on PCSPKR_PLATFORM diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 9d0f9d1ff68f..96a6419cb1f2 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o obj-$(CONFIG_INPUT_MMA8450) += mma8450.o +obj-$(CONFIG_INPUT_MSM_VIBRATOR) += msm-vibrator.o obj-$(CONFIG_INPUT_PALMAS_PWRBUTTON) += palmas-pwrbutton.o obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o diff --git a/drivers/input/misc/msm-vibrator.c b/drivers/input/misc/msm-vibrator.c new file mode 100644 index 000000000000..c06941021447 --- /dev/null +++ b/drivers/input/misc/msm-vibrator.c @@ -0,0 +1,282 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm MSM vibrator driver + * + * Copyright (c) 2018 Brian Masney + * + * Based on qcom,pwm-vibrator.c from: + * Copyright (c) 2018 Jonathan Marek + * + * Based on msm_pwm_vibrator.c from downstream Android sources: + * Copyright (C) 2009-2014 LGE, Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define REG_CMD_RCGR 0x00 +#define REG_CFG_RCGR 0x04 +#define REG_M 0x08 +#define REG_N 0x0C +#define REG_D 0x10 +#define REG_CBCR 0x24 +#define MMSS_CC_M_DEFAULT 1 + +struct msm_vibrator { + struct input_dev *input; + struct mutex mutex; + struct work_struct worker; + void __iomem *base; + struct regulator *vcc; + struct clk *clk; + struct gpio_desc *enable_gpio; + u16 magnitude; + bool enabled; +}; + +static void msm_vibrator_write(struct msm_vibrator *vibrator, int offset, + u32 value) +{ + writel(value, vibrator->base + offset); +} + +static int msm_vibrator_start(struct msm_vibrator *vibrator) +{ + int d_reg_val, ret = 0; + + mutex_lock(&vibrator->mutex); + + if (!vibrator->enabled) { + ret = clk_set_rate(vibrator->clk, 24000); + if (ret) { + dev_err(&vibrator->input->dev, + "Failed to set clock rate: %d\n", ret); + goto unlock; + } + + ret = clk_prepare_enable(vibrator->clk); + if (ret) { + dev_err(&vibrator->input->dev, + "Failed to enable clock: %d\n", ret); + goto unlock; + } + + ret = regulator_enable(vibrator->vcc); + if (ret) { + dev_err(&vibrator->input->dev, + "Failed to enable regulator: %d\n", ret); + clk_disable(vibrator->clk); + goto unlock; + } + + gpiod_set_value_cansleep(vibrator->enable_gpio, 1); + + vibrator->enabled = true; + } + + d_reg_val = 127 - ((126 * vibrator->magnitude) / 0xffff); + msm_vibrator_write(vibrator, REG_CFG_RCGR, + (2 << 12) | /* dual edge mode */ + (0 << 8) | /* cxo */ + (7 << 0)); + msm_vibrator_write(vibrator, REG_M, 1); + msm_vibrator_write(vibrator, REG_N, 128); + msm_vibrator_write(vibrator, REG_D, d_reg_val); + msm_vibrator_write(vibrator, REG_CMD_RCGR, 1); + msm_vibrator_write(vibrator, REG_CBCR, 1); + +unlock: + mutex_unlock(&vibrator->mutex); + + return ret; +} + +static void msm_vibrator_stop(struct msm_vibrator *vibrator) +{ + mutex_lock(&vibrator->mutex); + + if (vibrator->enabled) { + gpiod_set_value_cansleep(vibrator->enable_gpio, 0); + regulator_disable(vibrator->vcc); + clk_disable(vibrator->clk); + vibrator->enabled = false; + } + + mutex_unlock(&vibrator->mutex); +} + +static void msm_vibrator_worker(struct work_struct *work) +{ + struct msm_vibrator *vibrator = container_of(work, + struct msm_vibrator, + worker); + + if (vibrator->magnitude) + msm_vibrator_start(vibrator); + else + msm_vibrator_stop(vibrator); +} + +static int msm_vibrator_play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct msm_vibrator *vibrator = input_get_drvdata(dev); + + mutex_lock(&vibrator->mutex); + + if (effect->u.rumble.strong_magnitude > 0) + vibrator->magnitude = effect->u.rumble.strong_magnitude; + else + vibrator->magnitude = effect->u.rumble.weak_magnitude; + + mutex_unlock(&vibrator->mutex); + + schedule_work(&vibrator->worker); + + return 0; +} + +static void msm_vibrator_close(struct input_dev *input) +{ + struct msm_vibrator *vibrator = input_get_drvdata(input); + + cancel_work_sync(&vibrator->worker); + msm_vibrator_stop(vibrator); +} + +static int msm_vibrator_probe(struct platform_device *pdev) +{ + struct msm_vibrator *vibrator; + struct resource *res; + int ret; + + vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL); + if (!vibrator) + return -ENOMEM; + + vibrator->input = devm_input_allocate_device(&pdev->dev); + if (!vibrator->input) + return -ENOMEM; + + vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc"); + if (IS_ERR(vibrator->vcc)) { + if (PTR_ERR(vibrator->vcc) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get regulator: %ld\n", + PTR_ERR(vibrator->vcc)); + return PTR_ERR(vibrator->vcc); + } + + vibrator->enable_gpio = devm_gpiod_get(&pdev->dev, "enable", + GPIOD_OUT_LOW); + if (IS_ERR(vibrator->enable_gpio)) { + if (PTR_ERR(vibrator->enable_gpio) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get enable gpio: %ld\n", + PTR_ERR(vibrator->enable_gpio)); + return PTR_ERR(vibrator->enable_gpio); + } + + vibrator->clk = devm_clk_get(&pdev->dev, "pwm"); + if (IS_ERR(vibrator->clk)) { + if (PTR_ERR(vibrator->clk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to lookup pwm clock: %ld\n", + PTR_ERR(vibrator->clk)); + return PTR_ERR(vibrator->clk); + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "Failed to get platform resource\n"); + return -ENODEV; + } + + vibrator->base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (!vibrator->base) { + dev_err(&pdev->dev, "Failed to iomap resource: %ld\n", + PTR_ERR(vibrator->base)); + return -ENOMEM; + } + + vibrator->enabled = false; + mutex_init(&vibrator->mutex); + INIT_WORK(&vibrator->worker, msm_vibrator_worker); + + vibrator->input->name = "msm-vibrator"; + vibrator->input->id.bustype = BUS_HOST; + vibrator->input->close = msm_vibrator_close; + + input_set_drvdata(vibrator->input, vibrator); + input_set_capability(vibrator->input, EV_FF, FF_RUMBLE); + + ret = input_ff_create_memless(vibrator->input, NULL, + msm_vibrator_play_effect); + if (ret) { + dev_err(&pdev->dev, "Failed to create ff memless: %d", ret); + return ret; + } + + ret = input_register_device(vibrator->input); + if (ret) { + dev_err(&pdev->dev, "Failed to register input device: %d", ret); + return ret; + } + + platform_set_drvdata(pdev, vibrator); + + return 0; +} + +static int __maybe_unused msm_vibrator_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct msm_vibrator *vibrator = platform_get_drvdata(pdev); + + cancel_work_sync(&vibrator->worker); + + if (vibrator->enabled) + msm_vibrator_stop(vibrator); + + return 0; +} + +static int __maybe_unused msm_vibrator_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct msm_vibrator *vibrator = platform_get_drvdata(pdev); + + if (vibrator->enabled) + msm_vibrator_start(vibrator); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(msm_vibrator_pm_ops, msm_vibrator_suspend, + msm_vibrator_resume); + +static const struct of_device_id msm_vibrator_of_match[] = { + { .compatible = "qcom,msm8226-vibrator" }, + { .compatible = "qcom,msm8974-vibrator" }, + {}, +}; +MODULE_DEVICE_TABLE(of, msm_vibrator_of_match); + +static struct platform_driver msm_vibrator_driver = { + .probe = msm_vibrator_probe, + .driver = { + .name = "msm-vibrator", + .pm = &msm_vibrator_pm_ops, + .of_match_table = of_match_ptr(msm_vibrator_of_match), + }, +}; +module_platform_driver(msm_vibrator_driver); + +MODULE_AUTHOR("Brian Masney "); +MODULE_DESCRIPTION("Qualcomm MSM vibrator driver"); +MODULE_LICENSE("GPL"); From patchwork Wed Feb 6 01:33:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 10798727 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 342A56C2 for ; Wed, 6 Feb 2019 01:33:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2168428B3C for ; Wed, 6 Feb 2019 01:33:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 155C02A817; Wed, 6 Feb 2019 01:33:56 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE97F28B3C for ; Wed, 6 Feb 2019 01:33:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728849AbfBFBdm (ORCPT ); Tue, 5 Feb 2019 20:33:42 -0500 Received: from onstation.org ([52.200.56.107]:57540 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728693AbfBFBdm (ORCPT ); Tue, 5 Feb 2019 20:33:42 -0500 Received: from localhost.localdomain (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id 3785C7C2; Wed, 6 Feb 2019 01:33:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=onstation.org; s=default; t=1549416821; bh=6FBB/3U1w0UR9R8ArweL++cwCv+Lg1KQO8IIx/ZMlTQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YIGF8EVTYT6Ojhgbruq7B7aofjpOA1gTDwW9gk/lQOJxtWBff33M6sdbLRNXWTRy9 ceIesZM1tAbNYHmlMJAVrIAMpNoSqDvM+LCSTnCUG2H/GmcSQzgAxaQhc9FCI+5dvW yUi6TKLNczE/S6Z9thorJWNWOBgvLW7+lzORiPEc= From: Brian Masney To: dmitry.torokhov@gmail.com, andy.gross@linaro.org Cc: david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, jonathan@marek.ca Subject: [PATCH v4 3/3] ARM: dts: qcom: msm8974-hammerhead: add device tree bindings for vibrator Date: Tue, 5 Feb 2019 20:33:29 -0500 Message-Id: <20190206013329.18195-4-masneyb@onstation.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190206013329.18195-1-masneyb@onstation.org> References: <20190206013329.18195-1-masneyb@onstation.org> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds device device tree bindings for the vibrator found on the LG Nexus 5 (hammerhead) phone. Signed-off-by: Brian Masney --- Changes since v3: - None .../qcom-msm8974-lge-nexus5-hammerhead.dts | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts index b3b04736a159..1fd9f429f34a 100644 --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts @@ -5,6 +5,7 @@ #include #include #include +#include / { model = "LGE MSM 8974 HAMMERHEAD"; @@ -306,6 +307,36 @@ input-enable; }; }; + + vibrator_pin: vibrator { + pwm { + pins = "gpio27"; + function = "gp1_clk"; + + drive-strength = <6>; + bias-disable; + }; + + enable { + pins = "gpio60"; + function = "gpio"; + }; + }; + }; + + vibrator@fd8c3450 { + compatible = "qcom,msm8974-vibrator"; + reg = <0xfd8c3450 0x400>; + + vcc-supply = <&pm8941_l19>; + + clocks = <&mmcc CAMSS_GP1_CLK>; + clock-names = "pwm"; + + enable-gpios = <&msmgpio 60 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&vibrator_pin>; }; sdhci@f9824900 {