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Tue, 4 Aug 2020 11:39:08 +0000 X-MS-Exchange-Authentication-Results: spf=softfail (sender IP is 193.240.239.45) smtp.mailfrom=diasemi.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=fail action=none header.from=diasemi.com; Received-SPF: SoftFail (protection.outlook.com: domain of transitioning diasemi.com discourages use of 193.240.239.45 as permitted sender) Received: from mailrelay1.diasemi.com (193.240.239.45) by HE1EUR02FT063.mail.protection.outlook.com (10.152.11.211) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.3239.20 via Frontend Transport; Tue, 4 Aug 2020 11:39:07 +0000 Received: from krsrvapps-03.diasemi.com (10.93.17.2) by NB-EX-CASHUB01.diasemi.com (10.1.16.140) with Microsoft SMTP Server id 14.3.468.0; Tue, 4 Aug 2020 13:39:05 +0200 Received: by krsrvapps-03.diasemi.com (Postfix, from userid 22266) id 4D1D713F673; Tue, 4 Aug 2020 20:39:04 +0900 (KST) Message-ID: In-Reply-To: References: From: Roy Im Date: Tue, 4 Aug 2020 15:33:47 +0900 Subject: [PATCH v19 2/3] dt-bindings: input: Add document bindings for DA7280 To: Dmitry Torokhov , Mark Rutland , Rob Herring CC: Support Opensource , , , MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1d250a32-0589-4d8a-b621-08d8386affac X-MS-TrafficTypeDiagnostic: VI1PR10MB1744: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; 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X-OriginatorOrg: diasemi.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Aug 2020 11:39:07.7063 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1d250a32-0589-4d8a-b621-08d8386affac X-MS-Exchange-CrossTenant-Id: 511e3c0e-ee96-486e-a2ec-e272ffa37b7c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=511e3c0e-ee96-486e-a2ec-e272ffa37b7c;Ip=[193.240.239.45];Helo=[mailrelay1.diasemi.com] X-MS-Exchange-CrossTenant-AuthSource: HE1EUR02FT063.eop-EUR02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR10MB1744 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 --- v19: No changes. v18: No changes. v17: No changes. v16: No changes. v15: No changes. v14: No changes. 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 + >; + + };