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Wed, 29 Jul 2020 12:26:25 +0900 (KST) Message-ID: <1ae033bd7906a0076121b41aa5bb67436390c4bf.1595991580.git.Roy.Im@diasemi.com> In-Reply-To: References: From: Roy Im Date: Wed, 29 Jul 2020 11:59:40 +0900 Subject: [PATCH v18 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: 257ae90a-4df1-4ddd-3f64-08d8336f2e80 X-MS-TrafficTypeDiagnostic: DB8PR10MB3308: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 60m72fznwZy3diIfZgPVWT54+ZV6QbXPC7bXtkOMIt4DCQVLdlKuonydG9zLazcf7Og8xMngUW0XeRXmt0F0QhpOX85zERu+jTljOeYA2dUx8cjtG9vWru2Bmzhr5PCTKlPhtOHwxKwfLQEa7o55bfixYIulzzZpMisYON3VjHxn3QKGEtwnvne6q2V3A8Xjw/UI1WadmFtvrzUkfk+g/N+Aok1NDVUd/CNB6noUvWWmHVJ3LJZM/f0x3a1QfOYRvjLtE4OLJePIZ3E3wvsy7yudUjbGegxGt4owFpokPDj6ERzBXsvEB4fsIZMqGhhgNEN42UG9NKV5farCN2RWpWhENtcDbne8aCnfFXIK/AGgRAgtdfJRreMwnQaLfJGyV1xP4y6UEvHUtM7EVEO3sDEt5FyWwPcI/Bup7ErtLLOTXan0RHRQSnlFhCPF9AGn X-Forefront-Antispam-Report: CIP:193.240.111.57;CTRY:NL;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mailrelay1.diasemi.com;PTR:InfoDomainNonexistent;CAT:NONE;SFTY:;SFS:(4636009)(39850400004)(396003)(376002)(136003)(346002)(46966005)(6666004)(36756003)(54906003)(6266002)(4326008)(316002)(83380400001)(42186006)(110136005)(356005)(82310400002)(33310700002)(82740400003)(47076004)(81166007)(86362001)(70586007)(2906002)(8676002)(478600001)(70206006)(26005)(186003)(5660300002)(2616005)(8936002)(426003)(336012)(36906005);DIR:OUT;SFP:1101; X-OriginatorOrg: diasemi.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jul 2020 03:26:28.5067 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 257ae90a-4df1-4ddd-3f64-08d8336f2e80 X-MS-Exchange-CrossTenant-Id: 511e3c0e-ee96-486e-a2ec-e272ffa37b7c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=511e3c0e-ee96-486e-a2ec-e272ffa37b7c;Ip=[193.240.111.57];Helo=[mailrelay1.diasemi.com] X-MS-Exchange-CrossTenant-AuthSource: AM5EUR02FT028.eop-EUR02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR10MB3308 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 --- 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 + >; + + };