From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.216.54 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793350163; b=yjVxi9N2rYQzPlPGxXmUF8VLt4SWrUc+Jn9wh6QX6fH597PSSMd4MvP+ZlAyGLA6M2wh w19CnhqUIs+bu9NdNzq/7EsT7TrF0uWTssnu6yfXJMQaTtC6T6qvf0VZ2VGcDWT4XyE1I JoK9n+aSYr/IsIJJ2+qnrxfFO3Ctd5yGlBJhw0V9dfd2UkuynN4Z31AV4W5zsRzkkcejx v+HPYYXpMI3CQFy6oIXRzl3AIQXx2J+q+ll2ixnql96l7C518yWuSA4yMvXCUlAjasWEm aviKPxSejti3NAu8EY9trjZCst99pI/FdX/sdDfQhO3cUNYvUGghYq/Tm/b3/05wvOQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793350163; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: From:To:Cc:Subject:Date:Message-ID:X-Mailer:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding; bh=HW7rHhE169McYx8Jxy2QMfjdkASLa9iCRSpVlpE36RA=; b=U898r55RKA167YssWFLe0GZpmkpaHBnDuKFxVKoV5AswWdgaNyEL3x+JSR94KICDfLdp aVKT1IMl7Rgwhgb8SmgcC4XzOsmwrwbeul2Lq2ZBbYN1QIGww+pGoqwhomrXegsforTWd 0IGYWtbTYk3WzL/2qOEMdOsphrU7rCgouHDUK7mnEmZUiPLSUK5QEOH50CQF1iCbhus84 HyLkSsia4teEGQFNVa+/5sPNyxjFCgEiMTUqd41Fk4FG2ZYYGMb6TfLvuCf+iDZHPS+BA 0cNd7ASpZTGLC+gjV8ed61KyNy8k1WNbRkZ7QofhqxZ3GyWNyXKdeogl0lIEGYiLZVA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b="yqr/MHOZ"; arc=none smtp.remote-ip=209.85.216.54 Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D155D606A325 for ; Fri, 30 Oct 2026 08:49:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org D155D606A325 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=yqr/MHOZ Received: by mail-pj1-f54.google.com with SMTP id 98e67ed59e1d1-3ae1a9e187aso73971a91.3 for ; Fri, 30 Oct 2026 01:49:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20260707; t=1793350162; x=1793954962; darn=vger.kernel.org; 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:content-type; bh=HW7rHhE169McYx8Jxy2QMfjdkASLa9iCRSpVlpE36RA=; b=yqr/MHOZU635Qm43tBKG3XBAy4SyvoymZaW0doJ8A16nYDbyUsLqXv9E49rtF4XfWe Ex0Av0Xyo7G5aNd/3m40mrP3mgQjFJKYbQOND4IO2juEQqLlzNqaRekJsqtYzwa61CWb rtWIY4wdYRqVv8hgfdlTkxFIIawT/tkSyvlkNMsJoCbCEUDA+YT+NqcZBv1mGFFCQQh6 VN9R5JO3AbHkH712GiIoTRcgZQtS0uFCVPdBOPaJOpsgZJoPyIB7peL3k4GCuK7zwXC3 Qk2IdL0jFfBNWwILUV8sp/PcI9kSwz/gpW1Lbq58yJgm/Qv51qdsidZGyRAu4f2Tdjwl O0/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793350162; x=1793954962; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=HW7rHhE169McYx8Jxy2QMfjdkASLa9iCRSpVlpE36RA=; b=KacEhCjXMlCKnVvsHhpZlHu4iCZ7gkhRgWyJDnQOSHdTiOzFa8ajFR2Svg1DMbDGIK w7mxtpMx9yecY+H75EcxTNv1zU3rAao046AjNQbdWT52TGlaTgvYYHJvsZ29LIw8haF0 zy/clbfx0wYWBbyPyQAmpgxRI5iqS1oJkOXdY9a0azkv/9hrUhuIhUP8XOOUzKP4mIjf 37xGBukG1yTsnIpxnoDgZxjY0mG82Txleltqp3eEhISHJsX6hRQkLhAgn55pyovyOYtc yY8gyT2qCEwG3YBEcbMSL63AuhT0KRIcB1iGtPgNqBV1Xap9+unug0Sn5wXWICouKmgE CM8w== X-Forwarded-Encrypted: i=1; AKwUvBzj4s/vybNyRR9YaY1NCXoUS/oAkeUpZoe1VVR5OSSC5BI9e6Ha0Ik74+VlKfrkQi1aYoR9/hL86Dqo@vger.kernel.org X-Gm-Message-State: AFq9FYJNQZtgc1CYMJiemiom3HCO+1JvYCp1R1BSr9Xuq7V9BRuvZ3ga VzRfVFg+6GHqKsPv7Q3nWfFWaH9ISDLhDJgM/gNtTxllNpXjnsfwo1ma X-Gm-Gg: AYBFou29+7lkOxSdCeqPUDltHuxWb1WI6y6hGvaqkNlBQ8AKoW868rSIl/myP0BgcWG yVNpjSczyVKBPyqpFUmvJ215mwyqnIHYt+sGyaJ3fTSt/yCkzayu9I30nsWFnYP+Th/UsFkZBCB zVwIhWUZIMmoFL+0YL57fmb9SAlYpxMoV3hkvNeceZas50nnD9EHNIbwtA6hSCNL9bkUYG7Tc5y UHjBikhvkmauEgHKxBNDzpAvAK+vSAORnkti5NaLAzp2siK5W9iHWkOFt21Vk2hRQVguQCAa/kA sGJeWPy/YUrLLqPUcRb1zi6CO39XD/fr6PT0BQdFW58kX7JBKEqKxFwcqqTnJI1tQdc4FksaB// 0/PuQpVWf0xWPOjXjoZF+gysBJCtaZsuyHS749edL28nsX3JBgoqenaeYLCd48/olkZmzbC9PrN q0VP8BCFzPh0Q77Z68NqMFXT8IY2dUj7eR5O9GyE0RMOjPAMln9L5cjAO5m6wFnHp8FFOXGOfBW 5orQw0MFaW2o9yh7WnyozEd6k/FneXSsuvqpwHjwWeTur/wzNK9n/1zMl+8545lDfMniSkzEdbN bGpxjpFFnOGgS54UYlirRQ== X-Received: by 2002:a17:90b:28c7:b0:3a7:fef3:8561 with SMTP id 98e67ed59e1d1-3ae89822b55mr2355088a91.5.1793350162228; Fri, 30 Oct 2026 01:49:22 -0700 (PDT) Received: from marchy ([211.24.73.58]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ae845ae5b9sm3229716a91.12.2026.10.30.01.49.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Oct 2026 01:49:21 -0700 (PDT) From: Adam Azuddin To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, neil.armstrong@linaro.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de Cc: jesszhan0024@gmail.com, airlied@gmail.com, simona@ffwll.ch, andersson@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, azuddinadam@gmail.com Subject: [PATCH v5 1/2] dt-bindings: display: panel: Add RAiO RA8875 display controller Date: Fri, 30 Oct 2026 16:37:35 +0800 Message-ID: <20261030083737.47188-2-azuddinadam@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261030083737.47188-1-azuddinadam@gmail.com> References: <20261030083737.47188-1-azuddinadam@gmail.com> X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The RA8875 is an SPI-connected TFT display controller by RAiO Technology Inc. It supports display resolutions of up to 800x480. Assisted-by: LLM Signed-off-by: Adam Azuddin --- .../bindings/display/panel/raio,ra8875.yaml | 87 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml diff --git a/Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml b/Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml new file mode 100644 index 000000000000..661398bda0ee --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/raio,ra8875.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RAiO RA8875 Display Controller + +maintainers: + - Adam Azuddin + +description: + The RA8875 is a TFT LCD controller for panels up to 800x480 pixels. + It can be connected to the host via 8080/6800 parallel interface, + SPI or I2C. + +allOf: + - $ref: panel-common.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: raio,ra8875 + + reg: + maxItems: 1 + + vdd-supply: + description: + 3.3 V supply for the IO pins, the oscillator IO pins, the ADC pins + and the internal LDO. The 1.8 V core rail is generated internally. + + reset-gpios: + description: + GPIO connected to the active-low RST# pin. Optional, since the board + may instead use an RC reset circuit. + maxItems: 1 + + interrupts: + description: + INT# pin, active low. Signals RA8875 interrupt events such as touch + panel, key scan, DMA, BTE and font access completion. Optional, since + the host can poll the interrupt status register instead. + maxItems: 1 + +required: + - compatible + - reg + - display-timings + - vdd-supply + +unevaluatedProperties: false + +examples: + - | + #include + #include + + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "raio,ra8875"; + reg = <0>; + spi-max-frequency = <16000000>; + vdd-supply = <&vcc_3v3>; + reset-gpios = <&gpio 25 GPIO_ACTIVE_LOW>; + interrupt-parent = <&gpio>; + interrupts = <5 IRQ_TYPE_LEVEL_LOW>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <25000000>; + hactive = <800>; + vactive = <480>; + hfront-porch = <40>; + hsync-len = <40>; + hback-porch = <40>; + vfront-porch = <10>; + vsync-len = <10>; + vback-porch = <20>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index ba2002969373..99d5113fb035 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1395,6 +1395,8 @@ patternProperties: description: Radxa "^raidsonic,.*": description: RaidSonic Technology GmbH + "^raio,.*": + description: RAiO Technology Inc. "^ralink,.*": description: Mediatek/Ralink Technology Corp. "^ramtron,.*": -- 2.55.0