From patchwork Fri Dec 10 02:26:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12668569 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 B0AC5C4321E for ; Fri, 10 Dec 2021 02:27:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235974AbhLJCaf (ORCPT ); Thu, 9 Dec 2021 21:30:35 -0500 Received: from mail-0201.mail-europe.com ([51.77.79.158]:44544 "EHLO mail-0201.mail-europe.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235928AbhLJCaf (ORCPT ); Thu, 9 Dec 2021 21:30:35 -0500 Date: Fri, 10 Dec 2021 02:26:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=connolly.tech; s=protonmail; t=1639103217; bh=oKftemVxgPQunBy+T7L2ItW0dv51KOOA8rbWWaGzHoE=; h=Date:To:From:Cc:Reply-To:Subject:Message-ID:In-Reply-To: References:From:To:Cc; b=pA2A2og8f6mPaXZHsXNWn4z6XscYDFGpKPnsXAfPCkoIRsWomtGVYWZuJcExydw97 mfdvZgrfT4BhWb1y8yo45KnGeRZ3YezNCrrhOIbgpzxm4u7ovKjIiTaMbs3GTC3mFG cZaZoR4+D8ZI5drj4jcOfXkIuVeajZLcM9zGtgBg= 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 1/6] dt-bindings: input: add Qualcomm SPMI haptics driver Message-ID: <20211210022639.2779173-2-caleb@connolly.tech> In-Reply-To: <20211210022639.2779173-1-caleb@connolly.tech> References: <20211210022639.2779173-1-caleb@connolly.tech> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add bindings for qcom PMIC SPMI haptics driver. Signed-off-by: Caleb Connolly --- .../bindings/input/qcom,spmi-haptics.yaml | 123 ++++++++++++++++++ include/dt-bindings/input/qcom,spmi-haptics.h | 32 +++++ 2 files changed, 155 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/qcom,spmi-haptics.yaml create mode 100644 include/dt-bindings/input/qcom,spmi-haptics.h -- 2.34.1 diff --git a/Documentation/devicetree/bindings/input/qcom,spmi-haptics.yaml b/Documentation/devicetree/bindings/input/qcom,spmi-haptics.yaml new file mode 100644 index 000000000000..d02a30c7554c --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,spmi-haptics.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2020 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/qcom,spmi-haptics.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies Inc PMI8998 spmi haptics + +maintainers: + - Caleb Connolly + +description: | + Qualcomm SPMI haptics is a peripheral on some QTI PMICs. It supports linear resonant + actuators and eccentric rotating mass type haptics commonly found in mobile devices. + It supports multiple sources of wave data such as an internal buffer, direct play + (from kernel or userspace) as well as an audio output mode. + +properties: + compatible: + items: + - enum: + - qcom,pmi8998-haptics + - qcom,pmi8996-haptics + - qcom,pmi8941-haptics + + reg: + maxItems: 1 + + interrupts: + items: + - description: short circuit interrupt + - description: play interrupt + + interrupt-names: + 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 + maxItems: 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 + + spmi { + #address-cells = <1>; + #size-cells = <0>; + pmi8998_haptics: haptics@c000 { + compatible = "qcom,pmi8998-haptics"; + reg = <0xc000>; + + interrupts = <0x3 0xc0 0x0 IRQ_TYPE_EDGE_BOTH>, + <0x3 0xc0 0x1 IRQ_TYPE_EDGE_BOTH>; + interrupt-names = "short", "play"; + + qcom,wave-shape = ; + qcom,play-mode = ; + qcom,brake-pattern = <0x3 0x3 0x2 0x1>; + + status = "disabled"; + }; + }; diff --git a/include/dt-bindings/input/qcom,spmi-haptics.h b/include/dt-bindings/input/qcom,spmi-haptics.h new file mode 100644 index 000000000000..14a7e7d1471e --- /dev/null +++ b/include/dt-bindings/input/qcom,spmi-haptics.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * This header provides constants for pmi8998 SPMI haptics options. + */ + +#ifndef _DT_BINDINGS_QCOM_PMIC_SPMI_HAPTICS_ +#define _DT_BINDINGS_QCOM_PMIC_SPMI_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 + +// Auto resonance type +#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_SPMI_HAPTICS_ */