From patchwork Tue Nov 26 20:47:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sasha Finkelstein via B4 Relay X-Patchwork-Id: 13886358 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 32740D65525 for ; Tue, 26 Nov 2024 20:50:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qT/s3m1EQsAbsZRS6XEfhWEzH/ag/XveYrxCo1OuO10=; b=WtRiNSSuOG99gw3ESUUxY40FqV wUfc7hqdnPa3P/h7jlfjr8DBZNrlsDXX93iUINoushTLPvgHATlNOcLmqwV63Bvb93YRq1O8tp3KN 4tHuQSCCdDQnevihRfnqWDfjX0eWCbrqBEVxXJyDRVCuExQOMOageLSEvUoutno5I28LFiuugNxII MiE+QOXJBzaOUF4IvCsY33Kn89lF74mahbppfpW5LxkyG5nJCArp5OqsM1Gje6qiMGDF2A1iEtxV7 iYK03l3fl8/t9cd4tlfrBU5JyvYitMatRVHTtwqB1oa3oRp39oyvbXdJYgLHGss2maCA789fTpxaE Uk1JPb3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tG2Vh-0000000Bge3-2Pth; Tue, 26 Nov 2024 20:50:13 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tG2Tm-0000000BgHV-465A for linux-arm-kernel@lists.infradead.org; Tue, 26 Nov 2024 20:48:16 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 395ACA413FF; Tue, 26 Nov 2024 20:46:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id B69C5C4CED0; Tue, 26 Nov 2024 20:48:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732654093; bh=nPlVVBDGKjV5+b5plwup/oaCwem/vGJJlIuA9WfZlTQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=p375jSE/nhXtMxzvEOS9mugsU2ApN2vVdpuN9R4/WGM07+3cDR4KMSZ1FHNvh1/8L mGU4Yk19FQw3WXOe9K4jdRKyYJqPNlB507wa57oOxm8xes2D0Bn5XIpd//ZpRvDvTK J9k4ZSuTPm2L9ZKhturx9xqqP9qtJbEqZjWtueQQA9dfChBzOi1FhhsZyJwaPNFzEx G5uPkfjBD4ClIrN2Tk7Xq4z/yUDDhmRqKJbnNaeHWXNFyS8ZW1bmlZrEmeKbxV52EC ZAGTz3cNm+KE080l7XHoANzMB7xnijTu5TsR2I8caY3/PaOZZHNcwWpkB9FprjkTnY J6Yd/ECCPBP0g== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4BD0D65553; Tue, 26 Nov 2024 20:48:13 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Tue, 26 Nov 2024 21:47:59 +0100 Subject: [PATCH 1/4] dt-bindings: input: touchscreen: Add Z2 controller MIME-Version: 1.0 Message-Id: <20241126-z2-v1-1-c43c4cc6200d@gmail.com> References: <20241126-z2-v1-0-c43c4cc6200d@gmail.com> In-Reply-To: <20241126-z2-v1-0-c43c4cc6200d@gmail.com> To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Henrik Rydberg Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Finkelstein X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1732654092; l=2804; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=UHvXgMi/23w7qON+PGUGo++6lr9MH2GBkiekDOSsTok=; b=v2an5Zj1C0uzlwCBhHF2ZQWwt6rSGPADVo45ZAjcVatoE2WRViXstwZvsJUf7P6F9MtmnBKza 2GOjGYozUJwDVOHKJNJtRTlkyNCJtsYdABKic9dSMOvOWgu8iwJqldS X-Developer-Key: i=fnkl.kernel@gmail.com; a=ed25519; pk=aSkp1PdZ+eF4jpMO6oLvz/YfT5XkBUneWwyhQrOgmsU= X-Endpoint-Received: by B4 Relay for fnkl.kernel@gmail.com/20241124 with auth_id=283 X-Original-From: Sasha Finkelstein X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241126_124815_148786_6DB6E155 X-CRM114-Status: GOOD ( 11.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: fnkl.kernel@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sasha Finkelstein Add bindings for touchscreen controllers attached using the Z2 protocol. Those are present in most Apple devices. Signed-off-by: Sasha Finkelstein --- .../input/touchscreen/apple,z2-multitouch.yaml | 83 ++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/apple,z2-multitouch.yaml b/Documentation/devicetree/bindings/input/touchscreen/apple,z2-multitouch.yaml new file mode 100644 index 0000000000000000000000000000000000000000..0387e2178b91d5658dfd60cb44099a8048dc97df --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/apple,z2-multitouch.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/apple,z2-multitouch.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple touchscreens attached using the Z2 protocol + +maintainers: + - Sasha Finkelstein + +description: A series of touschscreen controllers used in Apple products + +allOf: + - $ref: touchscreen.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + items: + - enum: + - apple,j293-touchbar + - apple,j493-touchbar + - const: apple,z2-touchbar + - const: apple,z2-multitouch + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + cs-gpios: + maxItems: 1 + description: | + J293 has a hardware quirk where the CS line is unusable and has + to the be driven by a GPIO pin instead + + firmware-name: + maxItems: 1 + + label: + maxItems: 1 + + touchscreen-size-x: true + touchscreen-size-y: true + +required: + - compatible + - interrupts + - reset-gpios + - firmware-name + - label + - touchscreen-size-x + - touchscreen-size-y + +unevaluatedProperties: false + +examples: + - | + #include + #include + + spi { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@0 { + compatible = "apple,j293-touchbar", "apple,z2-touchbar", + "apple,z2-multitouch"; + reg = <0>; + spi-max-frequency = <11500000>; + reset-gpios = <&pinctrl_ap 139 0>; + cs-gpios = <&pinctrl_ap 109 0>; + interrupts-extended = <&pinctrl_ap 194 IRQ_TYPE_EDGE_FALLING>; + firmware-name = "apple/dfrmtfw-j293.bin"; + touchscreen-size-x = <23045>; + touchscreen-size-y = <640>; + label = "MacBookPro17,1 Touch Bar"; + }; + }; + +...