From patchwork Sat Jun 12 20:54:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 459203 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C08CC48BE5 for ; Sat, 12 Jun 2021 20:54:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 07880611CA for ; Sat, 12 Jun 2021 20:54:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231561AbhFLU4i (ORCPT ); Sat, 12 Jun 2021 16:56:38 -0400 Received: from mail-4316.protonmail.ch ([185.70.43.16]:35567 "EHLO mail-4316.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231538AbhFLU4g (ORCPT ); Sat, 12 Jun 2021 16:56:36 -0400 Date: Sat, 12 Jun 2021 20:54:31 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=connolly.tech; s=protonmail; t=1623531274; bh=Jy44aNgD/OO4tVcKoheXKowG67wadKysL7hQKyUpMn4=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=lfUMQSCSPbCLDEAQWNS2+XDQmylSeUTFMtDESadcGVAOmOOsslEzZam8zVj/givb7 gY7P/Stfcp0/ietI3Hl7Fyj/jB/7mDtsslsrcWjlD8Tpa/i+Or//yAITG0l12HIewR Xi/+vFC9F+O2n3uO+nj6F+wJU+bLmAAss4KHplxo= To: caleb@connolly.tech, Andy Gross , Bjorn Andersson , Dmitry Torokhov , Rob Herring From: Caleb Connolly Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Reply-To: Caleb Connolly Subject: [PATCH 1/4] dt-bindings: input: add Qualcomm QPNP haptics driver Message-ID: <20210612205405.1233588-2-caleb@connolly.tech> In-Reply-To: <20210612205405.1233588-1-caleb@connolly.tech> References: <20210612205405.1233588-1-caleb@connolly.tech> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add bindings for pmi8998 qpnp haptics driver. Signed-off-by: Caleb Connolly --- .../bindings/input/qcom,qpnp-haptics.yaml | 123 ++++++++++++++++++ include/dt-bindings/input/qcom,qpnp-haptics.h | 31 +++++ 2 files changed, 154 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml create mode 100644 include/dt-bindings/input/qcom,qpnp-haptics.h -- 2.31.1 diff --git a/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml b/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml new file mode 100644 index 000000000000..81dd8d6321f0 --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2020 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/qcom,qpnp-haptics.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies Inc PMI8998 QPNP haptics + +maintainers: + - Caleb Connolly + +description: | + QPNP (Qualcomm Technologies, Inc. Plug N Play) Haptics is a peripheral on some + QTI PMICs. It supports linear resonant actuators commonly found in mobile devices. + +properties: + compatible: + enum: + - qcom,qpnp-haptics + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + items: + - description: short circuit interrupt + - description: play interrupt + + interrupt-names: + minItems: 2 + items: + - const: short + - const: play + + qcom,actuator-type: + description: | + The type of actuator attached to the hardware. + Allowed values are, + 0 - HAP_TYPE_LRA + 1 - HAP_TYPE_ERM + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 0, 1 ] + default: 0 + + qcom,wave-shape: + description: | + Selects the wave shape to use. + Allowed values are, + 0 - HAP_WAVE_SINE + 1 - HAP_WAVE_SQUARE + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 0, 1 ] + default: 0 + + qcom,play-mode: + description: | + Selects the play mode to use. + Allowed values are, + 0 - HAP_PLAY_DIRECT + 1 - HAP_PLAY_BUFFER + 2 - HAP_PLAY_AUDIO + 3 - HAP_PLAY_PWM + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 0, 1, 2, 3 ] + default: 2 + + qcom,wave-play-rate-us: + description: | + Wave sample durection in microseconds, 1/f where f + is the resonant frequency of the actuator. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 20475 + + qcom,brake-pattern: + minItems: 4 + description: | + The brake pattern are the strengths of the pattern + used to brake the haptics. Allowed values are, + 0 - 0V + 1 - Vmax/4 + 2 - Vmax/2 + 3 - Vmax + $ref: /schemas/types.yaml#/definitions/uint32-array + default: [0x3, 0x3, 0x2, 0x1] + +required: + - compatible + - reg + - interrupts + - qcom,wave-play-rate-us + +additionalProperties: false + +examples: + - | + #include + #include + #include + pmi8998_lsid1: pmic@3 { + compatible = "qcom,pmi8998", "qcom,spmi-pmic"; + reg = <0x3 SPMI_USID>; + #address-cells = <1>; + #size-cells = <0>; + + qpnp_haptics: qcom,haptics@c000 { + compatible = "qcom,qpnp-haptics"; + reg = <0xc000 0x100>; + + interrupts = <0x3 0xc0 0x0 IRQ_TYPE_EDGE_BOTH>, + <0x3 0xc0 0x1 IRQ_TYPE_EDGE_BOTH>; + interrupt-names = "short", "play"; + + qcom,actuator-type = ; + qcom,wave-shape = ; + qcom,play-mode = ; + qcom,brake-pattern = <0x3 0x3 0x2 0x1>; + + qcom,wave-play-rate-us = <4255>; + }; + }; diff --git a/include/dt-bindings/input/qcom,qpnp-haptics.h b/include/dt-bindings/input/qcom,qpnp-haptics.h new file mode 100644 index 000000000000..bfbec041484c --- /dev/null +++ b/include/dt-bindings/input/qcom,qpnp-haptics.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * This header provides constants for pmi8998 qpnp haptics options. + */ + +#ifndef _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_ +#define _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_ + +// Actuator types +#define HAP_TYPE_LRA 0 +#define HAP_TYPE_ERM 1 + +// LRA Wave type +#define HAP_WAVE_SINE 0 +#define HAP_WAVE_SQUARE 1 + +// Play modes +#define HAP_PLAY_DIRECT 0 +#define HAP_PLAY_BUFFER 1 +#define HAP_PLAY_AUDIO 2 +#define HAP_PLAY_PWM 3 + +#define HAP_PLAY_MAX HAP_PLAY_PWM + +#define HAP_AUTO_RES_NONE 0 +#define HAP_AUTO_RES_ZXD 1 +#define HAP_AUTO_RES_QWD 2 +#define HAP_AUTO_RES_MAX_QWD 3 +#define HAP_AUTO_RES_ZXD_EOP 4 + +#endif /* _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_ */