From patchwork Wed May 6 16:08:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roy Im X-Patchwork-Id: 11533941 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B871981 for ; Thu, 7 May 2020 14:11:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A65502084D for ; Thu, 7 May 2020 14:11:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726907AbgEGOLH (ORCPT ); Thu, 7 May 2020 10:11:07 -0400 Received: from mail1.bemta26.messagelabs.com ([85.158.142.3]:13694 "EHLO mail1.bemta26.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726518AbgEGOLG (ORCPT ); Thu, 7 May 2020 10:11:06 -0400 Received: from [100.113.2.173] (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256 bits)) by server-3.bemta.az-a.eu-central-1.aws.symcld.net id 49/28-40432-4F614BE5; Thu, 07 May 2020 14:11:00 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrIIsWRWlGSWpSXmKPExsVy8MN7Xd0vYlv iDM7NkreYf+Qcq8XhRS8YLW5++sZqcXnXHDaLpdcvMlm07j3C7sDmsWbeGkaPnbPusntsWtXJ 5vF5k1wASxRrZl5SfkUCa8avR4+YCm5rVqz6tZGxgfGCUhcjF4eQwBpGid1P9rB0MXICOZUSn 682M4PYvAIREvMaHjOC2JwCZhL7b61j72LkAKoxlbi8VBEkzCagI/Fo5nomEJtFQEXixt/DYL awgK/EsTc72UFsEYFyiQMfZ7KC7GIWmMYosefjYaj5ghInZz4B28ssICFx8MULZogbtCTOrVn FOIGRdxaSsllIyhYwMq1itEwqykzPKMlNzMzRNTQw0DU0NNY11jU0MtJLrNJN1Est1U1OzSsp SgTK6iWWF+sVV+Ym56To5aWWbGIEhmtKIXPVDsaLy9/rHWKU5GBSEuVd8nlznBBfUn5KZUZic UZ8UWlOavEhRhkODiUJ3v0iW+KEBItS01Mr0jJzgLEDk5bg4FES4bUGxo8Qb3FBYm5xZjpE6h SjMcfvDUsWMXM8uHpvFbMQS15+XqqUOG8mSKkASGlGaR7cIFhMX2KUlRLmZWRgYBDiKUgtys0 sQZV/xSjOwagkzHtUFGgKT2ZeCdy+V0CnMAGd8vnTJpBTShIRUlINTEX3HawuLhVT31skUMCb 0XBu4pK00kQDafmTzdf/C9bcXj953gMVv4oVWvt/i00NE3bL3HFJZO0ei4zkj4f8U49+Y9P9G rHhkZDth3jNN18S7pybGvgvKmD2zFutmxSctl2byKK+/XFTyvpn+co8SUefv13ik6twoNv/OI /vLzP30iM6NT4L57/o1X/XP/PiZ76b25Ke75Y8UVc96ZxJOuN7m8W3zXtTekwnlcw3Kb/SLFt 4JovfIihcezfvM61D99PZe17uCYt1zFT95C8k7jyTLU9/2h+1ZQH159d93ftlzo2pQgxnXhzK jU27azH/tOG9vb/6bdW2pi9c7e9opPzhSQmHfdjSFZ5Mq3p9FymxFGckGmoxFxUnAgA2XLTaZ AMAAA== X-Env-Sender: roy.im.opensource@diasemi.com X-Msg-Ref: server-19.tower-223.messagelabs.com!1588860659!2836654!3 X-Originating-IP: [193.240.239.45] X-SYMC-ESS-Client-Auth: outbound-route-from=pass X-StarScan-Received: X-StarScan-Version: 9.50.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13099 invoked from network); 7 May 2020 14:11:00 -0000 Received: from unknown (HELO NB-EX-CASHUB01.diasemi.com) (193.240.239.45) by server-19.tower-223.messagelabs.com with ECDHE-RSA-AES256-SHA384 encrypted SMTP; 7 May 2020 14:11:00 -0000 Received: from krsrvapps-03.diasemi.com (10.95.17.51) by NB-EX-CASHUB01.diasemi.com (10.1.16.140) with Microsoft SMTP Server id 14.3.468.0; Thu, 7 May 2020 16:10:58 +0200 Received: by krsrvapps-03.diasemi.com (Postfix, from userid 22266) id 19A2B13F673; Thu, 7 May 2020 23:10:57 +0900 (KST) Message-ID: In-Reply-To: References: From: Roy Im Date: Thu, 7 May 2020 01:08:36 +0900 Subject: [PATCH V13 2/3] dt-bindings: input: Add document bindings for DA7280 To: Dmitry Torokhov , Mark Rutland , Rob Herring CC: Support Opensource , , , MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Add device tree binding information for DA7280 haptic driver. Example bindings for DA7280 are added. Reviewed-by: Rob Herring . Signed-off-by: Roy Im --- v13: No changes. v12: No changes. v11: No changes. v10: No changes. v9: No changes. v8: Updated descriptions for new properties. v7: No changes. v6: No changes. v5: Updated descriptions and fixed errors. v4: Fixed commit message, properties. v3: Fixed subject format. v2: No changes .../devicetree/bindings/input/dlg,da7280.txt | 109 +++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/dlg,da7280.txt diff --git a/Documentation/devicetree/bindings/input/dlg,da7280.txt b/Documentation/devicetree/bindings/input/dlg,da7280.txt new file mode 100644 index 0000000..e6b719d --- /dev/null +++ b/Documentation/devicetree/bindings/input/dlg,da7280.txt @@ -0,0 +1,109 @@ +Dialog Semiconductor DA7280 Haptics bindings + +Required properties: +- compatible: Should be "dlg,da7280". +- reg: Specifies the I2C slave address. + +- interrupt-parent : Specifies the phandle of the interrupt controller to + which the IRQs from DA7280 are delivered to. + +- dlg,actuator-type: Set Actuator type. it should be one of: + "LRA" - Linear Resonance Actuator type. + "ERM-bar" - Bar type Eccentric Rotating Mass. + "ERM-coin" - Coin type Eccentric Rotating Mass. + +- dlg,const-op-mode: Haptic operation mode for FF_CONSTANT. + Possible values: + 1 - Direct register override(DRO) mode triggered by i2c(default), + 2 - PWM data source mode controlled by PWM duty, +- dlg,periodic-op-mode: Haptic operation mode for FF_PERIODIC. + Possible values: + 1 - Register triggered waveform memory(RTWM) mode, the pattern + assigned to the PS_SEQ_ID played as much times as PS_SEQ_LOOP, + 2 - Edge triggered waveform memory(ETWM) mode, external GPI(N) + control are required to enable/disable and it needs to keep + device enabled by sending magnitude (X > 0), + the pattern is assigned to the GPI(N)_SEQUENCE_ID below. + The default value is 1 for both of the operation modes. + For more details, please see the datasheet. + +- dlg,nom-microvolt: Nominal actuator voltage rating. + Valid values: 0 - 6000000. +- dlg,abs-max-microvolt: Absolute actuator maximum voltage rating. + Valid values: 0 - 6000000. +- dlg,imax-microamp: Actuator max current rating. + Valid values: 0 - 252000. + Default: 130000. +- dlg,impd-micro-ohms: the impedance of the actuator in micro ohms. + Valid values: 0 - 1500000000. + +Optional properties: +- pwms : phandle to the physical PWM(Pulse Width Modulation) device. + PWM properties should be named "pwms". And number of cell is different + for each pwm device. + (See Documentation/devicetree/bindings/pwm/pwm.txt + for further information relating to pwm properties) + +- dlg,ps-seq-id: the PS_SEQ_ID(pattern ID in waveform memory inside chip) + to play back when RTWM-MODE is enabled. + Valid range: 0 - 15. +- dlg,ps-seq-loop: the PS_SEQ_LOOP, Number of times the pre-stored sequence + pointed to by PS_SEQ_ID or GPI(N)_SEQUENCE_ID is repeated. + Valid range: 0 - 15. +- dlg,gpiN-seq-id: the GPI(N)_SEQUENCE_ID, pattern to play + when gpi0 is triggered, 'N' must be 0 - 2. + Valid range: 0 - 15. +- dlg,gpiN-mode: the pattern mode which can select either + "Single-pattern" or "Multi-pattern", 'N' must be 0 - 2. +- dlg,gpiN-polarity: gpiN polarity which can be chosen among + "Rising-edge", "Falling-edge" and "Both-edge", + 'N' must be 0 - 2 + Haptic will work by this edge option in case of ETWM mode. + +- dlg,resonant-freq-hz: use in case of LRA. + the frequency range: 50 - 300. + Default: 205. + +- dlg,bemf-sens-enable: Enable for internal loop computations. +- dlg,freq-track-enable: Enable for resonant frequency tracking. +- dlg,acc-enable: Enable for active acceleration. +- dlg,rapid-stop-enable: Enable for rapid stop. +- dlg,amp-pid-enable: Enable for the amplitude PID. +- dlg,mem-array: Customized waveform memory(patterns) data downloaded to + the device during initialization. This is an array of 100 values(u8). + +For further information, see device datasheet. + +====== + +Example: + + haptics: da7280-haptics@4a { + compatible = "dlg,da7280"; + reg = <0x4a>; + interrupt-parent = <&gpio6>; + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; + dlg,actuator-type = "LRA"; + dlg,dlg,const-op-mode = <1>; + dlg,dlg,periodic-op-mode = <1>; + dlg,nom-microvolt = <2000000>; + dlg,abs-max-microvolt = <2000000>; + dlg,imax-microamp = <170000>; + dlg,resonant-freq-hz = <180>; + dlg,impd-micro-ohms = <10500000>; + dlg,freq-track-enable; + dlg,rapid-stop-enable; + dlg,mem-array = < + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + >; + + };