From patchwork Thu Nov 28 22:29:16 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: 13888350 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 1ED3A1C3F38; Thu, 28 Nov 2024 22:29:22 +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=1732832963; cv=none; b=YC2LzeS9/X5TSyipBtUNWBniQ2ZAZS3Q9vf987DBILKIWiBi+E0mIg8Yrbzql1JN1eonpI93A6fF3NMlo6HAt0WKEHgJQLlNRZ4ePqagwjINJ2fQFpshlRi6Ku4usCpXZ37HbHnMlZuKLr+EU8KnsgP+wfnQCnNRE4NSi7SzZVc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732832963; c=relaxed/simple; bh=J4PshVzTxM3ZuXLi2bSbqTl6yYEFBescrQ49UUZU4/4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QOrZuBxeqBLTw7fSTLTUyV0zxeTJyJ5V/kYFgxn7wK+VELwND3T4aJi88D+MXK2YcNe19TUpUyAv7fjq5N/V2YY9jm5gw0zFNIRFmMwa0Kc3ypBfLxM/z5PBlQ42UVrnXmtYNh5+Fx1RojbUro11oxYbKlYpJwC3AhBnWIxFsM4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JcpcRSES; 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="JcpcRSES" Received: by smtp.kernel.org (Postfix) with ESMTPS id B2816C4CED3; Thu, 28 Nov 2024 22:29:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732832962; bh=J4PshVzTxM3ZuXLi2bSbqTl6yYEFBescrQ49UUZU4/4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=JcpcRSESjVYXw6ZGdMy4IASilwfvktjlApFF8glL4GkLI2q8IUtM8h+9D74DOCSkJ MSHGDHHkLTHCjsJrz66V2L5BJ2IpyxOqEbQ+NkoPmWS99G2wGNzcszl3HmgKDGaKiR jdY8+eKAG1N/2InKXvF4MfsYx0pO8YYZ9ZHuEXlNo3RUVngVu8kc9WdTpsy6sEcI8E l1UcuO8h9NmuBAB1XFqCAGwqQJHhZGM0WorcfWmwqaVmi6AwNXHhf/5J7i8+EqI4hf OzETwJCcNoBryy0Ta6KBzzYUJfHCIpotbutgF/FJ2ZQu8Kz6s+OYsVOHfBdADICpQy focY8Sjlvq6Fw== 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 A1AB4D70DF9; Thu, 28 Nov 2024 22:29:22 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Thu, 28 Nov 2024 23:29:16 +0100 Subject: [PATCH v2 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: <20241128-z2-v2-1-76cc59bbf117@gmail.com> References: <20241128-z2-v2-0-76cc59bbf117@gmail.com> In-Reply-To: <20241128-z2-v2-0-76cc59bbf117@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=1732832961; l=2428; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=GsKBCJQyuDiW2TgUSCS4kP/ZXyBcFw3jTp4XmyDVHjM=; b=P1HETlnhVzmEHGXk/3QjNtUc8X9EEMwBYebwHSubNbiIz/n+ZmdZd+EuCJrRmqJ289CiUFPD1 mO+q3aZEokDDUx203RKAtjIj2gbtL9fXLBUs1PnClDjV6p0UaNXQ1KR 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. Signed-off-by: Sasha Finkelstein --- .../input/touchscreen/apple,z2-multitouch.yaml | 69 ++++++++++++++++++++++ 1 file changed, 69 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..c4c0b41178728d5e0a782979d6eecd32e0a83618 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/apple,z2-multitouch.yaml @@ -0,0 +1,69 @@ +# 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 + 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>; + }; + }; + +...