From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 B8F93CA5FD2 for ; Thu, 1 Oct 2026 14:41:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C389210EBD3; Thu, 1 Oct 2026 14:41:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="YIVWfdLu"; dkim-atps=neutral Received: from mail-pj2-f42.google.com (mail-pj2-f42.google.com [74.125.227.170]) by gabe.freedesktop.org (Postfix) with ESMTPS id 236F910EBD3 for ; Thu, 1 Oct 2026 14:41:38 +0000 (UTC) Received: by mail-pj2-f42.google.com with SMTP id 98e67ed59e1d1-39e57ee1cb0so999634a91.0 for ; Thu, 01 Oct 2026 07:41:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1790865698; x=1791470498; darn=lists.freedesktop.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=Go8DGdYlWNQ1d6XhNdqWJy2/p+jQ4I2nLWIimGwFQbE=; b=YIVWfdLuqX6nELth186hVH345fXf8K8t0uNZQ/E/44yMfp0/rduyKK1j6vS9DOPhSc lIchBl9aJ/YBKRea/jNa4LeoCCl5TxrDl531s5d+XF9v0F5V0raPuO5oIRSoEDpFl9yG K+yqxT2BOsOENMesGtQCR2c44BQU277VgltsfBetflRVwSqw3S8GvKdOQYKlEqUVa7VZ kzIi918ecAgjMy3q1lnJGChqc5hF/7ipWQ8DWyDJvTWfop2kBd5OEc6+mEtCpznBowFp fDW3WwlJpE2XsMy533kQ4et85b4qH/bzeM3cRvypkvz7yf2Qs7yTXJjBXVrymyHv4EDT Zh/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790865698; x=1791470498; 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=Go8DGdYlWNQ1d6XhNdqWJy2/p+jQ4I2nLWIimGwFQbE=; b=mDunV0WTh4T5iwNYtlufGureMcR2G7BIQA3PuA0DrN18czH7suandSir2El1r9DSIl H2nG+DayI7mLKzkYw6fRm3OxxIWBwcM2XpN3UCrI0KAoj4YQpq81MOOzmccKULiI0XcF i1iB5EEjulB/nyfvh9lKvvRREhw9Iu1prU7+HlgiY2EVItMt/7qlilogAZQx9ekQlRGp Ym/4mjqJAl9FLhJWr4uMfL8k7l2ViIo96drKSUuJSFmUNdTMng+tFIRWGvlqqL796DJt zAxGEasQuLNgxPi+FcMeKhxbTFRPZGE44VFITXY02ujCMOq4+Y1I3Hhxpw01KqGroDd+ qvfQ== X-Forwarded-Encrypted: i=1; AKwUvBx2rN2Hu+GLRVuD+xm0iGgiNR6V+4mNIaL4xJyuzx1/G0OmZg87t6OnG/VOdjpOaO4YERhMfMHq668=@lists.freedesktop.org X-Gm-Message-State: AFq9FYKsHVbMtLq41xO94KoXur6bCjOJDty1SzojvZ0dwZRvxyo54vVT nlEYsP6uaGUBxKUiaey0dnLCZ4WZAhpWorLwNzISoIBasiUhpUdZd5oI X-Gm-Gg: AYBFou07XU7XjB0Y4FNxo2H5DAYb2x7HZd9aeHggMeZOOCwKMkO0A0/rf1y7Sbg/byP NXlk7RLk93u4OUypxgx6MsHXufZX+wBcckrUJStkVzUhiZtj4nxg/3ry1oTZTOsm9i/iJj9Ykjy 3Iq4XF702WSCKOxFkFfCfFKtv1veEw43C345JkvgZisNI/bOjFyHbLroTqu5vGWdJastCQx3ADU fiHKLVd8lI8iDz/fNZ5DZqdr3/0NK0uIc23R84+jxNTVdaq1amjr3FPqwW82vjllYqUnW2dlkmN B8tHW8EIogrlkkSnJCEcEvLIBhh/Zfx76CPzDpyUWty53v8Pdjdtyx9B7HmBu5IaR9njkCEhphu C87zqBziHkDBGFlc19Gb1kKybu9NddWqy3jcnmcaQob/DDNu/tfuABDb3v4MpNhOj85eAa2AGfM nU0RfcBAxENDMByzxZDq4FEM8Jbm8xNJi+/XK1j3EOXeilRO2PICiZhZnGZvJyEfKZWGmJcg== X-Received: by 2002:a17:90b:588d:b0:3a0:e7ef:bc81 with SMTP id 98e67ed59e1d1-3a4d19343dbmr6803741a91.3.1790865697501; Thu, 01 Oct 2026 07:41:37 -0700 (PDT) Received: from marchy ([2405:3800:8e5:44e3:ee8e:77ff:fed4:d18b]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a4f445d356sm4976256a91.11.2026.10.01.07.41.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2026 07:41:37 -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, Adam Azuddin Subject: [PATCH v3 1/2] dt-bindings: display: panel: Add RAiO RA8875 display controller Date: Thu, 1 Oct 2026 22:41:25 +0800 Message-ID: <20261001144128.2336301-2-azuddinadam@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261001144128.2336301-1-azuddinadam@gmail.com> References: <20261001144128.2336301-1-azuddinadam@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The binding is for SPI-connected RA8875 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 | 77 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 79 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..4283de927b13 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml @@ -0,0 +1,77 @@ +# 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 controller via 8080/6800 parallel interface, + SPI or I2C. This binding describes the SPI-connected device. + +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 + +required: + - compatible + - reg + - display-timings + - vdd-supply + +unevaluatedProperties: false + +examples: + - | + #include + + spi { + #address-cells = <1>; + #size-cells = <0>; + + panel: display@0 { + compatible = "raio,ra8875"; + reg = <0>; + spi-max-frequency = <16000000>; + vdd-supply = <&vcc_3v3>; + reset-gpios = <&gpio 25 GPIO_ACTIVE_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