From patchwork Tue Apr 13 14:44:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Giulio Benetti X-Patchwork-Id: 12200755 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 B3D6EC43461 for ; Tue, 13 Apr 2021 14:44:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B4DD6052B for ; Tue, 13 Apr 2021 14:44:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344861AbhDMOpS (ORCPT ); Tue, 13 Apr 2021 10:45:18 -0400 Received: from smtpcmd15177.aruba.it ([62.149.156.177]:50735 "EHLO smtpcmd15177.aruba.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344738AbhDMOpM (ORCPT ); Tue, 13 Apr 2021 10:45:12 -0400 Received: from ubuntu.localdomain ([146.241.148.6]) by Aruba Outgoing Smtp with ESMTPSA id WKHXlmrLILwkNWKHYlJXte; Tue, 13 Apr 2021 16:44:49 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1618325089; bh=m7bZ87n2o1oW/r2wNSc2s5Jn0szuQPQPqRbmK5W8j9I=; h=From:To:Subject:Date:MIME-Version:Content-Type; b=BhZQtEMPGdpMHV8M9KQr8g13PX7a094D7YosVzf9wlkLe9DGmL6ebBN/Pe//r49nT hi7zga5EAyu+sdfcSPCwnZNezaEIlDKCAZaDDcrE7zFkFFUH/MpafH+nQLzlZ7i5tK T58Da3vl1GljBlJogFfBZWdIRdUygOgSIiK/5tNb0xmWiKrHsdnmnHFEoWbQMgr0iF BjyUoMXLNj/jetANO7pMCXqPvIl5K9KmNEa3AZayqLFBZVAy7XWhImiOpoXewRr6Nm +j9yvYgYxbdTMDMwP5fem4zyygXWgSxdrkGCb+2BaRH5FpFWMUoG6TYICV4UsUo8kS jDzNJGB4dTRNA== From: Giulio Benetti To: Rob Herring Cc: Dmitry Torokhov , =?utf-8?q?Jonathan_Neusch?= =?utf-8?q?=C3=A4fer?= , Henrik Rydberg , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Giulio Benetti Subject: [PATCH v7 2/3] dt-bindings: touchscreen: Add HY46XX bindings Date: Tue, 13 Apr 2021 16:44:45 +0200 Message-Id: <20210413144446.2277817-3-giulio.benetti@benettiengineering.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210413144446.2277817-1-giulio.benetti@benettiengineering.com> References: <20210413144446.2277817-1-giulio.benetti@benettiengineering.com> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfE8wZGv3MBqoMApu0NukcYI2Ko/+zltVFuSpAc4yQiVTE8WU12ZDI+iU49dl6VOzWVG+zb0lSKflTwZSM0o5SO1nbsW/wk7U+KTTZzXLKEXYjjarnDUJ SsM1QcaEheShYQdS2SjdbQXmX0KpAhdYCNfxstslQv0ruanQXQW0g4iTu/ICczzrFW7f3DW+ohrPjaVIU0or/UBl9V2vVn0qeavo+Q2CqOqmRaZ4cFjXouuA IDEZ/WTTczx3VZslEpIc2j7RN8oMOMpS70jb2j3nVMF+1W9kT5jYLsGGQB3gAuweBr9xkS7MGRj12LpHV9j719mxrmlQ2fo79mHXneJb9tJeilKLZ8jui6k9 /yIqjGgSGfSlL1514qs8Kmr7gQQTGvYUTftJJ3e1i+Y9znOK8DVdbSPGA9+Yd5GR62WutajjHviRI+Y6yekjYR1QSkIH4w5d1WJGj7P0CzTPLkCVYa7Hhlwq Y1dJhamIsnMf9Cg/JByDIMUCltiwNIAxmQikZg== Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org This adds device tree bindings for the Hycon HY46XX touchscreen series. Signed-off-by: Giulio Benetti Reviewed-by: Rob Herring --- V1->V2: As suggested by Rob Herring: * fixed $id: address * added "hycon," in front of every custom property * changed all possible property to boolean type * removed proximity-sensor-switch property since it's not handled in driver V2->V3: As suggested by Jonathan Neuschäfer: * fixed some typo * fixed description indentation * improved boolean properties descriptions * improved hycon,report-speed description V3->V4: * fixed binding compatible string in example as suggested by Jonathan Neuschäfer V4->V5: As suggested by Rob Herring: * drop hycon- prefix from compatible * use Hertz unit suffix for hycon,report-speed instead of u32 * set hycon,report-speed minimum to 1Hz, 0Hz make controller to do nothing * change hycon,power-noise-enable property name to hycon,noise-filter-enable * improve hycon,filter-data property description * use generic touchscreen node name in example V5->V6: * changed report-speed property name into report-speed-hz according to Rob Herring's suggestion --- .../input/touchscreen/hycon,hy46xx.yaml | 119 ++++++++++++++++++ MAINTAINERS | 6 + 2 files changed, 125 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml new file mode 100644 index 000000000000..942562f1e45b --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml @@ -0,0 +1,119 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/hycon,hy46xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hycon HY46XX series touchscreen controller bindings + +description: | + There are 6 variants of the chip for various touch panel sizes and cover lens material + Glass: 0.3mm--4.0mm + PET/PMMA: 0.2mm--2.0mm + HY4613(B)-N048 < 6" + HY4614(B)-N068 7" .. 10.1" + HY4621-NS32 < 5" + HY4623-NS48 5.1" .. 7" + Glass: 0.3mm--8.0mm + PET/PMMA: 0.2mm--4.0mm + HY4633(B)-N048 < 6" + HY4635(B)-N048 < 7" .. 10.1" + +maintainers: + - Giulio Benetti + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - hycon,hy4613 + - hycon,hy4614 + - hycon,hy4621 + - hycon,hy4623 + - hycon,hy4633 + - hycon,hy4635 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vcc-supply: true + + hycon,threshold: + description: Allows setting the sensitivity in the range from 0 to 255. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + + hycon,glove-enable: + type: boolean + description: Allows enabling glove setting. + + hycon,report-speed-hz: + description: Allows setting the report speed in Hertz. + minimum: 1 + maximum: 255 + + hycon,noise-filter-enable: + type: boolean + description: Allows enabling power noise filter. + + hycon,filter-data: + description: Allows setting how many samples throw before reporting touch + in the range from 0 to 5. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + + hycon,gain: + description: Allows setting the sensitivity distance in the range from 0 to 5. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + + hycon,edge-offset: + description: Allows setting the edge compensation in the range from 0 to 16. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 16 + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-fuzz-x: true + touchscreen-fuzz-y: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + interrupt-controller: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@1c { + compatible = "hycon,hy4633"; + reg = <0x1c>; + interrupt-parent = <&gpio2>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 7fdc513392f4..18a50942c019 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8250,6 +8250,12 @@ S: Maintained F: mm/hwpoison-inject.c F: mm/memory-failure.c +HYCON HY46XX TOUCHSCREEN SUPPORT +M: Giulio Benetti +L: linux-input@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml + HYGON PROCESSOR SUPPORT M: Pu Wen L: linux-kernel@vger.kernel.org