From patchwork Wed Mar 1 14:28:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Martin_Za=C5=A5ovi=C4=8D?= X-Patchwork-Id: 62930 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp3661725wrd; Wed, 1 Mar 2023 06:29:39 -0800 (PST) X-Google-Smtp-Source: AK7set++p8j1nHTm6lAfZ3syiTRmS2rZXDZwbJb1W+2HvNbD25p1JorDLvxR0OZmAtef6wYoC/5p X-Received: by 2002:a05:6a21:7881:b0:bf:8a97:6e48 with SMTP id bf1-20020a056a21788100b000bf8a976e48mr8236455pzc.37.1677680978904; Wed, 01 Mar 2023 06:29:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1677680978; cv=none; d=google.com; s=arc-20160816; b=J48AYwF4hyYlu7mV47WMwmOgYkHjqeMTj9EDzw8Tw7LzD4p202jQijpjn/7KDzLf19 kfDg1nTsk9333yhk8+C4D47S9JPreanNbdCNrxvQ3l2acfJfiOKhRYD3dintvocOloTy HO78LNn+UAQJBuXz03ahNOlH+yaddL2/VEYWDfL2q6zOI95CKfKbZRvmJZZX2KuXaSj4 0kd7YIwFWQ8zr0t/EWB5ZM/aZ79FL+LdeNdtgaGBwsHPFykYQFoKs5KKGTGQ5/AEsu3U 6MU9LcoFdYoWZESkbJYn7/ElPI05jfxs5jAcg3z8/1M4FZrmPLSuc7Uk41c7yW2/HHxu CttA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=LIK1zlcDtzGzZUoPfFsY1qnnB3Dv1hWrxQ0eoBZLglg=; b=NGRrKc83oRBxWxlroKqnrpSi6vtAO/iLBLEd3/NPYejIWRRe7wwAWGkJmtzV947iV0 y2rZNmiqZwJM/16sy7UoFz1O4FAY8PXfLQdOtZLlnz9XK2hyIAFWXfEK4erjjouH0zOL k4vX6TiI44Ada1EvrghDr0SY8ko/qBg7MGQppqzNVgo7mZ/2nGYA+BnJsGsn8ktO/Mmi 74V0kiRn3258qUhJjM8KXfbyRSN8/u2Vck4OmUK0U1EOg2SFYJK381b68NAWFYXoM7nq 7pEXmyZUYMBeSMt4nIOXGGflGF9mDBuDLTU77cyIv0iNpLtmxeyZNhr6X/XYTn+c5YsW Gl3Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=Mlmlpzzs; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id r132-20020a632b8a000000b0050327dc6000si11360274pgr.822.2023.03.01.06.29.25; Wed, 01 Mar 2023 06:29:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=Mlmlpzzs; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230213AbjCAO3C (ORCPT + 99 others); Wed, 1 Mar 2023 09:29:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229806AbjCAO25 (ORCPT ); Wed, 1 Mar 2023 09:28:57 -0500 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C1E21B33E; Wed, 1 Mar 2023 06:28:56 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id cq23so54647277edb.1; Wed, 01 Mar 2023 06:28:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=LIK1zlcDtzGzZUoPfFsY1qnnB3Dv1hWrxQ0eoBZLglg=; b=MlmlpzzsYNljnIJffqf1a7CYsFtxeYOiLIphYeOpbxlbZdzzaEBgGcqiuqV7xjX0sb Yxq5Gn6LiUFD5pw5Je+lMZgNrfIJZhdLrkuPwDSR2wZaJ4DS2L+CBJP/QU15pMb/Eve8 H0+iuAzm8LNjJZ6YpxA/UutoOrRN/4KnTqh+4XBBEBabB8E4sW+LIKh7e/AapaMKh2Be PlTECaDUk00J5e37Z8k3ZesourLmdpxCaYKulZ2xAGUC5en8sHYpc3ypnEfVV+JK3zGM oJnZIhWVmueGQoPqFyBq+dMz/6jTukEXb8OaYrl7O97KhhxIRfjr2mX14RyRaZ30QGAF 4nMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=LIK1zlcDtzGzZUoPfFsY1qnnB3Dv1hWrxQ0eoBZLglg=; b=N/i6T7Rx57bpLLYCsP1ubf8wBImLhSrzbL94I2wWz0Tqjy9eFQo0Y+kUO2yPwczQCF hea4oQG0kzQAcIrHAuxKUjAQ0JAOvcqE07kZKfx11bGOsvvUJrRgwkQQi+BbOyX4SXPB aorXkPdVSR5etbSj9F4UL16gzm9RJaESyUoMi+m0cU0Zgaaw6fBhVDjNdSf10FBzb7uo mDEMVJwhEiBwgxuFxC+tcwAgpMm7cQ3Cuyzk1eLn4UgEpMl+did6ZekgTox0u5M/SOup PamszRe2dfHnhrucEoASLeVvaED1EFA5agitWCDRYhkkXrgS1w3h4IFFw2yjO7zGIEtK aS8Q== X-Gm-Message-State: AO0yUKXfADGsKaJPGulhzz848/Gd0R0POpiFlw+PLBuV8j38qXt7RXTB C9vZ+OnBfkM9j/cfojnVMfhBu0SBXe8jJQ== X-Received: by 2002:aa7:c7cc:0:b0:4ac:bbc7:aa8e with SMTP id o12-20020aa7c7cc000000b004acbbc7aa8emr6134099eds.41.1677680934606; Wed, 01 Mar 2023 06:28:54 -0800 (PST) Received: from fedora.local.tbs-biometrics.cz (176-74-132-138.netdatacomm.cz. [176.74.132.138]) by smtp.gmail.com with ESMTPSA id t8-20020a170906178800b008dcf89a72d7sm5972282eje.147.2023.03.01.06.28.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Mar 2023 06:28:54 -0800 (PST) From: =?utf-8?q?Martin_Za=C5=A5ovi=C4=8D?= To: linux-kernel@vger.kernel.org Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org, airlied@redhat.com, dipenp@nvidia.com, treding@nvidia.com, mwen@igalia.com, fmdefrancesco@gmail.com, arnd@arndb.de, bvanassche@acm.org, ogabbay@kernel.org, axboe@kernel.dk, mathieu.poirier@linaro.org, linux@zary.sk, masahiroy@kernel.org, yangyicong@hisilicon.com, dan.j.williams@intel.com, jacek.lawrynowicz@linux.intel.com, benjamin.tissoires@redhat.com, devicetree@vger.kernel.org, furong.zhou@linux.intel.com, andriy.shevchenko@intel.com, linus.walleij@linaro.org, =?utf-8?q?Martin_Za?= =?utf-8?q?=C5=A5ovi=C4=8D?= Subject: [PATCHv3 3/4] dt-bindings: wiegand: add GPIO bitbanged Wiegand controller Date: Wed, 1 Mar 2023 15:28:34 +0100 Message-Id: <20230301142835.19614-4-m.zatovic1@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230301142835.19614-1-m.zatovic1@gmail.com> References: <20230301142835.19614-1-m.zatovic1@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1759176009652499144?= X-GMAIL-MSGID: =?utf-8?q?1759176009652499144?= GPIO bitbanged Wiegand controller requires definitions of GPIO lines to be used on top of the common Wiegand properties. Wiegand utilizes two such lines - D0(low data line) and D1(high data line). Acked-by: Linus Walleij Signed-off-by: Martin Zaťovič --- .../bindings/wiegand/wiegand-gpio.yaml | 51 +++++++++++++++++++ MAINTAINERS | 5 ++ 2 files changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml diff --git a/Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml b/Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml new file mode 100644 index 000000000000..df28929f6dae --- /dev/null +++ b/Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/wiegand/wiegand-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO bitbanged Wiegand interface devicetree bindings + +maintainers: + - Martin Zaťovič + +description: + This represents the GPIO lines used for bit-banged Wiegand on dedicated GPIO + lines. + +allOf: + - $ref: /schemas/wiegand/wiegand-controller.yaml# + +properties: + compatible: + const: wiegand-gpio + + data-hi-gpios: + description: GPIO used as Wiegands data-hi line. + maxItems: 1 + + data-lo-gpios: + description: GPIO used as Wiegands data-lo line. + maxItems: 1 + +required: + - compatible + - data-hi-gpios + - data-lo-gpios + +unevaluatedProperties: false + +examples: + - | + #include + + wiegand@f00 { + compatible = "wiegand-gpio"; + pulse-len-us = <50>; + interval-len-us = <2000>; + frame-gap-us = <2000>; + data-lo-gpios = <&gpio2 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + data-hi-gpios = <&gpio2 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + + /* devices */ + }; diff --git a/MAINTAINERS b/MAINTAINERS index 23a67b32f095..91e573466d6b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22519,6 +22519,11 @@ F: Documentation/devicetree/bindings/wiegand/wiegand-controller.yaml F: drivers/wiegand/wiegand.c F: include/linux/wiegand.h +WIEGAND GPIO BITBANG DRIVER +M: Martin Zaťovič +S: Maintained +F: Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml + WIIMOTE HID DRIVER M: David Rheinsberg L: linux-input@vger.kernel.org