From patchwork Tue Oct 15 12:53:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George Chan via B4 Relay X-Patchwork-Id: 13836343 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 696F01C07CD; Tue, 15 Oct 2024 12:53:32 +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=1728996812; cv=none; b=ILsCAwUTKi6fWTzQqYqLXe7+sYCYhjZiubpVVy5bvy12OO/m/xrryDmXNfTKCzyd4wMCCy7HxWUliYyow/1J82l5MXMcRgWlqGQDzB9AlwsSfAOegMGThHFPdCYuev2QlXK+M+CzBGnB++AlRPGPz7SnAevOF6SrJNy4N1szeaI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728996812; c=relaxed/simple; bh=k4sHN8F0vEpbhstI4pP9YlVgxqXHlxI77MHkEXqdZ2Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TfYa1IbYxxoWZeQlAT1taJt/g3nq2Vlhjy5W1UcSY00JjcRcAzWu7Dk2dMKy00ftc0B333oX+8fR7eQR7rDg0XgnttuVECNxdczBtTOdDCzYxAtwodOPebIDZtb3rj17VSGip+b5LT87ir4dSlQ+/ufil9QoZ/3ZtQxW2x52lsw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AmGBVFFU; 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="AmGBVFFU" Received: by smtp.kernel.org (Postfix) with ESMTPS id 0A3EFC4CECF; Tue, 15 Oct 2024 12:53:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728996812; bh=k4sHN8F0vEpbhstI4pP9YlVgxqXHlxI77MHkEXqdZ2Q=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=AmGBVFFUhDFf9q0SM1LLzat+P7WqsQzZLhYDcBg3hgko2cGkggQOuJmcjfVVjrsuz R/iBFzOvaMcC3BbQR/ffQt41gUJtXBbEY4xtuVveKUdxipqi4d73CeZnXNvdaNFZ+j 3DbWop7M3NRkYW598qwtD0EcHLLhibAMMng4s6a1Uwp7ma8oSEjGsbxGv+nWSt4Q+z /ZTTnAjC+sgzvaGreg6UPIviY69KDNCePp/wpOxQxx8stT8phNbwYoAXOwyfVBAUOR K54ZBt5YiCZQtBgCSAbPsfTNGb/O8AtOnMlI+TocwUr1F9SwK0JTzAkcHfJ3nnjUCt JwrrFiIJaFvnA== 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 EB0E0D21690; Tue, 15 Oct 2024 12:53:31 +0000 (UTC) From: George Chan via B4 Relay Date: Tue, 15 Oct 2024 20:53:29 +0800 Subject: [PATCH RFC/RFT 1/3] dt-bindings: touchscreen: Add binding for Novatek NT36xxx series driver Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241015-nt36xxx-v1-1-3919d0bffee6@gmail.com> References: <20241015-nt36xxx-v1-0-3919d0bffee6@gmail.com> In-Reply-To: <20241015-nt36xxx-v1-0-3919d0bffee6@gmail.com> To: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Del Regno , Henrik Rydberg Cc: linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, George Chan X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1728996810; l=2336; i=gchan9527@gmail.com; s=20241015; h=from:subject:message-id; bh=6oXy8utpLvYCjX6FpS5vMO4JWOmudlGhgWpN7w1GKpA=; b=CWp38R0kg4uaRnXXylbmhUTfN0jCdb9ZlwmWTWEB23Q+QeTeiwx1ni+IxplTJCJ1KKwRp0uKk X7ejSsE16zZA5e6/vpxusNPxamsZPsFqVl7osdTto0WB7CYSF86tKyR X-Developer-Key: i=gchan9527@gmail.com; a=ed25519; pk=dscYWhT+BiQOBMpPE19NFQAjBBmcpipc6zdf2MTze/U= X-Endpoint-Received: by B4 Relay for gchan9527@gmail.com/20241015 with auth_id=248 X-Original-From: George Chan Reply-To: gchan9527@gmail.com From: George Chan Add binding for the Novatek NT36xxx series touchscreen driver. Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: George Chan --- .../bindings/input/touchscreen/nt36xxx.yaml | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml new file mode 100644 index 0000000000..3919f0d026 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/nt36xxx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Novatek NT36xxx series touchscreen controller Bindings + +maintainers: + - AngeloGioacchino Del Regno + - George Chan + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - novatek,nt36525-spi + - novatek,nt36672a-spi + - novatek,nt36675-spi + - novatek,nt36676f-spi + - novatek,nt36772-spi + + reg: + maxItems: 1 + + irq-gpio: + maxItems: 1 + + vdd-supply: + description: Power supply regulator for VDD pin + + vio-supply: + description: Power supply regulator on VDD-IO pin + + firmware-name: + description: Firmware for device initialization, if unspecify, all + other IC treat as no firmware needed. For nt36675, default + to "novatek_ts_tianma_fw.bin". + + spi-max-frequency: + description: Set max frequency to spi bus communication. This is optional. + +unevaluatedProperties: false + +required: + - compatible + - reg + - irq-gpio + +examples: + - | + #include + #include + + spi { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@0 { + compatible = "novatek,nt36675-spi"; + reg = <0>; + spi-max-frequency = <4000000>; + irq-gpio = <&tlmm 9 0x2001>; + firmware-name = "novatek_ts_tianma_fw.bin"; + }; + }; + +...