From patchwork Fri Oct 7 18:47:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 13001416 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D9D8C43219 for ; Fri, 7 Oct 2022 18:47:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229637AbiJGSrW (ORCPT ); Fri, 7 Oct 2022 14:47:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229651AbiJGSrV (ORCPT ); Fri, 7 Oct 2022 14:47:21 -0400 Received: from mail-oo1-xc31.google.com (mail-oo1-xc31.google.com [IPv6:2607:f8b0:4864:20::c31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B46BC3B970; Fri, 7 Oct 2022 11:47:20 -0700 (PDT) Received: by mail-oo1-xc31.google.com with SMTP id h1-20020a4aa741000000b004756c611188so4083022oom.4; Fri, 07 Oct 2022 11:47:20 -0700 (PDT) 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=o/WJnW9TcUfMscRQFA0XCHNrFcCRMWEo3PjehOnts0Q=; b=a8KTNTsMTkhHx1jAUGqHAqf/6hgPQzzI7xXG4CDDMecvGVUaQ/em30Yb+HM8gtkBnu kugWlhAQbxkQWhnQgr9N8rTNf7dbghvi0/0L6bMDj18v7NdvoHRyO87k+oM1KcSXOaoJ kFcWBo8gi2M9YBTI9IL/GuL+NXakYkhOOdgJFEQ5GquOuDqIlDQ8Tg0TfgfORd0Ja3Wi Bmm7LeNFjQGSBsUMREzAL0nh+al+DJh9KAV3T4BeKoiBLySyQIOmsl4+Gkn1YYkw3l9i 0DDkwafoTmh8E7SFgw4QtNWDrDCkFJCou5ET2DtVeCIPke8sGaSj2rmuZKKosbV0o0oE ym3g== 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=o/WJnW9TcUfMscRQFA0XCHNrFcCRMWEo3PjehOnts0Q=; b=JH32xKuw9A6rtQEbgOJqmvzR2VuPGpOjYmSKomc2frEWhcrimYeoWuGjd6hw6/3Leb H5xOeTpca4Mrhe53/f61p9C9XL2rX3y8CZn3PDIvRt2ezKXpp/CRJmWirv0mUeqdc2Ps t/YM346Qq/9brRpUlWlpiYhdvGk51wd/lxpHz2Vscpa6RxqwgSBGFK6dOWf2impX5eWX kj+8p1I0K8OgnelANkxLpZzsx4GRXdTr/8a8Q7Bzg+Ge+vYB4kBU1Uc/JMlNWJxckqT2 6V/xXGtrOCR5J5AdNkoSUy/+nH99Xg9rH4lcoVb2Lmj8N8gahyHdrmMs3m8wzZY2Glct sslQ== X-Gm-Message-State: ACrzQf2uSl1xkyRkIMEWvj5anCdrqlK5frbX5AEnr/zv+UfFhKb3MpXl kD+H8n3jacHkGsYEok7nEzbRCRJzaK0= X-Google-Smtp-Source: AMsMyM69e7scoJ5fxIc818i42gc+3/J8CpRO3EVZZ2yv4lKxsM/a4as3ucfIG1sJJozCNfer5WFkUg== X-Received: by 2002:a4a:9506:0:b0:476:4812:3edf with SMTP id m6-20020a4a9506000000b0047648123edfmr2393936ooi.62.1665168439676; Fri, 07 Oct 2022 11:47:19 -0700 (PDT) Received: from wintermute.localdomain ([76.244.6.13]) by smtp.gmail.com with ESMTPSA id n6-20020a4ad626000000b00425806a20f5sm1267861oon.3.2022.10.07.11.47.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Oct 2022 11:47:19 -0700 (PDT) From: Chris Morgan To: linux-input@vger.kernel.org Cc: devicetree@vger.kernel.org, jeff@labundy.com, neil.armstrong@linaro.org, arnd@arndb.de, robert.jarzmik@free.fr, Jonathan.Cameron@huawei.com, christianshewitt@gmail.com, stano.jakubek@gmail.com, rydberg@bitmath.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, dmitry.torokhov@gmail.com, Chris Morgan Subject: [PATCH v2 2/3] dt-bindings: input: touchscreen: Add Hynitron cstxxx Date: Fri, 7 Oct 2022 13:47:09 -0500 Message-Id: <20221007184710.6395-3-macroalpha82@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221007184710.6395-1-macroalpha82@gmail.com> References: <20221007184710.6395-1-macroalpha82@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Chris Morgan Add documentation for the Hynitron cstxxx touchscreen bindings. Hynitron makes a series of touchscreen controllers, however for now this is expected to only be compatible with the cst3xx series, specifically the CST340, CST348, and CST356. Signed-off-by: Chris Morgan Reviewed-by: Krzysztof Kozlowski --- .../input/touchscreen/hynitron,cstxxx.yaml | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hynitron,cstxxx.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/hynitron,cstxxx.yaml b/Documentation/devicetree/bindings/input/touchscreen/hynitron,cstxxx.yaml new file mode 100644 index 000000000000..9cb5d4af00f7 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/hynitron,cstxxx.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/hynitron,cstxxx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hynitron cstxxx series touchscreen controller + +description: | + Bindings for Hynitron cstxxx series multi-touch touchscreen + controllers. + +maintainers: + - Chris Morgan + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - hynitron,cst340 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - reset-gpios + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@1a { + compatible = "hynitron,cst340"; + reg = <0x1a>; + interrupt-parent = <&gpio4>; + interrupts = <9 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>; + touchscreen-size-x = <640>; + touchscreen-size-y = <480>; + }; + }; + +...