From patchwork Wed Jan 15 22:46:05 2025 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: 13941002 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EB0FD1D9350; Wed, 15 Jan 2025 22:46:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736981173; cv=none; b=nXW+IOtHnXfH7AE5AOvU/36WSuWzRgDoEtIxHUkRkYJ00RnDh3UKCCptuFOLAOJJmempQIUXLhYcuNnAH4aHBNyDRg7cTHOohbRbDEAxHeFiE5aB4zqSXQqcbUGvt0P5h4+lR8pBUoxJD/giyF+Q7I2jay+XRcnoJDcRFPmke1w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736981173; c=relaxed/simple; bh=4mqO9fFAzT1FG6ss/NQO1jdCRuZdLW3O8dLx4waQ6Qc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rvdhjuQMCs4Pl1l1sgVZSpK90MywUrjhlDTvm3ZA+jEoKgFZ5cdPxhp/8JwMHjQcqJC+RStBKzl6FDBWOT0wu2p9aEtR+0GKy25O8afuRo3Q2QLK48qzFpF/kB5XDVMED9gg9Mc6faQxue25xq54s8i0OdTfL6WsH3bMFjc/mdM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Fb9cX4jY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Fb9cX4jY" Received: by smtp.kernel.org (Postfix) with ESMTPS id 90D3CC4CEE2; Wed, 15 Jan 2025 22:46:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736981172; bh=4mqO9fFAzT1FG6ss/NQO1jdCRuZdLW3O8dLx4waQ6Qc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Fb9cX4jYuI1Ty0wV5s0B7MAx2pGlHky766tXx4NbmQZ7sylbi9848bzIFm7pa+lPR OfRWCQDbdc6ca6HGzI/S3oLEzLv6/NmSLrf7efMZDj9XHDrZhu133xSP84Nq81k8ld ES0CLE+ZWIKZwBl6IAiTatyM1ilAxhdg2ING4AYv9KgOGScwHONEJcNuDFuYxTxImf tEMfY5PGOE+e0l6Iqf0kW5TkBJ7ymNwg4VxBwd1bbpRfoJTOPRqn7Rj7CMln+DI13O 012n5eczoogbLBa4DKBjZMfLnfqDOdLS9iGpbyDIVcG2hvhUlxmHVYlTBASk2f3ytM uDUZUbsWUtHew== 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 78D9BC02185; Wed, 15 Jan 2025 22:46:12 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Wed, 15 Jan 2025 23:46:05 +0100 Subject: [PATCH v4 1/4] dt-bindings: input: touchscreen: Add Z2 controller Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250115-z2-v4-1-d7361ab16ba0@gmail.com> References: <20250115-z2-v4-0-d7361ab16ba0@gmail.com> In-Reply-To: <20250115-z2-v4-0-d7361ab16ba0@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 , Krzysztof Kozlowski , Neal Gompa X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1736981170; l=2558; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=WsWmSiIz/nvoXKk6dP9ylONnNigrsJDQdxWpfEhh4J8=; b=T05gQQb3NMpNcGc0WCYSF4OHLQmO7PepWjlGFkyX/eFuO/KD2nqdhTS0IBEBOtc4+CFW26S1S wpUgmtrTFzgBCjzwnbhA8ElpS3Ku7G//m0GXgWM07q3riUae6ydRgxN 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 Reply-To: fnkl.kernel@gmail.com From: Sasha Finkelstein Add bindings for touchscreen controllers attached using the Z2 protocol. Those are present in most Apple devices. Reviewed-by: Krzysztof Kozlowski Reviewed-by: Neal Gompa Signed-off-by: Sasha Finkelstein --- .../input/touchscreen/apple,z2-multitouch.yaml | 70 ++++++++++++++++++++++ 1 file changed, 70 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..402ca6bffd3473a1a889ced7890e9836e6a76e45 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/apple,z2-multitouch.yaml @@ -0,0 +1,70 @@ +# 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: + enum: + - apple,j293-touchbar + - apple,j493-touchbar + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + firmware-name: + maxItems: 1 + + apple,z2-cal-blob: + $ref: /schemas/types.yaml#/definitions/uint8-array + maxItems: 4096 + description: + Calibration blob supplied by the bootloader + +required: + - compatible + - interrupts + - reset-gpios + - firmware-name + - touchscreen-size-x + - touchscreen-size-y + +unevaluatedProperties: false + +examples: + - | + #include + #include + + spi { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@0 { + compatible = "apple,j293-touchbar"; + reg = <0>; + spi-max-frequency = <11500000>; + reset-gpios = <&pinctrl_ap 139 GPIO_ACTIVE_LOW>; + interrupts-extended = <&pinctrl_ap 194 IRQ_TYPE_EDGE_FALLING>; + firmware-name = "apple/dfrmtfw-j293.bin"; + touchscreen-size-x = <23045>; + touchscreen-size-y = <640>; + }; + }; + +...