From patchwork Fri Dec 10 02:26:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 522867 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3945BC4332F for ; Fri, 10 Dec 2021 02:27:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231149AbhLJCad (ORCPT ); Thu, 9 Dec 2021 21:30:33 -0500 Received: from mail-4317.proton.ch ([185.70.43.17]:51054 "EHLO mail-4317.proton.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235928AbhLJCad (ORCPT ); Thu, 9 Dec 2021 21:30:33 -0500 Date: Fri, 10 Dec 2021 02:26:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=connolly.tech; s=protonmail; t=1639103217; bh=mu0sqQvUggygf7jKzEWPGl0UelkYU3w40dJw8wgxBlw=; h=Date:To:From:Cc:Reply-To:Subject:Message-ID:From:To:Cc; b=GNF8V+oQyEMMQAWhqMvw0m37ieasw0tmQ/6vl1VeJG9LqdAWQNa2nj6aMZQ205H1X sdyB3eNYCd9kFOy+8NZlDc/u0MQtw9zwvU2NWsqll7bmvWpm9yPgbbNul04+k5uOC+ djvMa/6ak9/KlsYwyImgjxiQoOMNhNlX5/pGYgrU= To: caleb@connolly.tech, Andy Gross , Bjorn Andersson , Dmitry Torokhov , Rob Herring , linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, phone-devel@vger.kernel.org From: Caleb Connolly Cc: Jami Kettunen , Joel Selvaraj Reply-To: Caleb Connolly Subject: [PATCH v4 0/6] input: Introduce support for SPMI haptics found on Qcom PMICs Message-ID: <20211210022639.2779173-1-caleb@connolly.tech> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This series introduces a driver for the SPMI haptics hardware block found in Qualcomm PMICs. SPMI haptics support LRA (Linear Resonant Actuator) style haptics, as well as ERM (Eccentric Rotating Mass). It also supports several modes of driving the haptics, e.g. by loading the pattern to play into an internal buffer, or using PWM. More information about the hardware can be found here: https://gitlab.com/sdm845-mainline/linux/-/wikis/PMI8998-QPNP-Haptics This driver has been written based on downstream sources as no public documentation is available. It includes initial support for LRA haptics in buffer mode, this combination seems to be the most common and will enable haptics on the OnePlus 6 and 6T, PocoPhone F1, OnePlus 5 and several other Qualcomm devices with mainline kernel support. The driver is implemented using the ff-memless (forcefeedback) input framework and makes an attempt to control the strength of vibration relative to the magnitude set from userspace. Changes since v3: - Adjust example DTS to avoid creating new warnings in dt_binding_check - Address warnings from kernel test robot. Changes since v2: - Addressed Rob's comments on dt-bindings (I'm not sure what to do about the pmic compatible?) - Fixed some typos Changes since v1: - Replace old QPNP naming with SPMI - Address Bjorn's comments on the driver, various style and code cleanups - Address Bjorn's comments on the DT bindings and DTS - Pickup patches from Joel and Jami to enable haptics on the OnePlus 5 and Poco F1. Caleb Connolly (4): dt-bindings: input: add Qualcomm SPMI haptics driver input: add Qualcomm SPMI haptics driver arm64: dts: qcom: pmi8998: introduce spmi haptics arm64: dts: qcom: sdm845-oneplus-common: add haptics Jami Kettunen (1): arm64: dts: qcom: msm8998-oneplus-common: Enable PMI8998 haptics Joel Selvaraj (1): arm64: dts: qcom: sdm845-xiaomi-beryllium: add haptics .../bindings/input/qcom,spmi-haptics.yaml | 123 +++ .../boot/dts/qcom/msm8998-oneplus-common.dtsi | 6 + arch/arm64/boot/dts/qcom/pmi8998.dtsi | 15 + .../boot/dts/qcom/sdm845-oneplus-common.dtsi | 6 + .../boot/dts/qcom/sdm845-xiaomi-beryllium.dts | 5 + drivers/input/misc/Kconfig | 12 + drivers/input/misc/Makefile | 1 + drivers/input/misc/qcom-spmi-haptics.c | 977 ++++++++++++++++++ include/dt-bindings/input/qcom,spmi-haptics.h | 32 + 9 files changed, 1177 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/qcom,spmi-haptics.yaml create mode 100644 drivers/input/misc/qcom-spmi-haptics.c create mode 100644 include/dt-bindings/input/qcom,spmi-haptics.h --- 2.34.1