From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm2-f13.google.com (mail-wm2-f13.google.com [74.125.225.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8D7B48CFC for ; Sun, 13 Sep 2026 20:50:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.141 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789332617; cv=none; b=FUuQ0k1IoJ1XjW9wNVsSnFfmjldzKcgkdVqkZ3AIILBooxGgqc/W+W7IeCUxzV/AfDpeyTDFt2jkNZ5CyT5cmKaQO4Jhj8iNWpqvmFagaEMHn3dpjlimJYSaxYV7ZdLNUZnusP0xR6rM7CLRC5ndkT6kGm3pgDjYNZnE/oooapU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789332617; c=relaxed/simple; bh=9jVkSD1JQdGntTXsCswiwWjiDS0mDytIqZyRXh7TmnI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tNF8l419hknv0L35EKOONv4eagMM8suWwjOEzvKBGFaBbdlcSqfRbx4KUf09WmAlOcA1e+IfuMLKwhOmHOFkfX6EdRSjypTGKINxk+ds7LpGk88fTvsB+Eo9fCvMEd59mAFWzfVnHWOUiWgVVsJ3UaGPiS6+9QJVZIo+5hI/R40= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Y0Pc/Mcu; arc=none smtp.client-ip=74.125.225.141 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) header.d=gmail.com header.i=@gmail.com header.b="Y0Pc/Mcu" Received: by mail-wm2-f13.google.com with SMTP id 5b1f17b1804b1-49e79a408deso155755e9.2 for ; Sun, 13 Sep 2026 13:50:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789332614; x=1789937414; 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=ufiy72rg5aTwvEqEphUP2HlQ3RzqokHOttH88+KP0Uk=; b=Y0Pc/McuFBmGLb/72tfzeTjHbaRW7qtjuZJat4TeAefHJo7L52vS09M+xy8QpGKrYT ZytKrcXvUlIUWtuK6DtSg+O8Z1M90+pzNIuBnQvsdU605C3Z+W8/QLJXN4Ka9ww62oBF j32+MbA9cbBZiwODd3UjBgZJxCWtEb13L8a07EelYl55/G3GcwNGT+onRDX0TdcQZB/L YiZTyQVnMzRqdHQ8jJhZwyxZIWkZF6ne9ZsoXbqRzC8ZTZYfuobcTAlttMuomYREzxh+ ZHYDqoL3mSAcMk9n/zVvd4HMSWRFzhlxIaz0m10QI4YSXkp8aUfKxJKwIt7cBvnqIm43 9x2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789332614; x=1789937414; 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=ufiy72rg5aTwvEqEphUP2HlQ3RzqokHOttH88+KP0Uk=; b=HDmf7XUOWxcs/1O2CfAUxZGWD8CHiry0ORKlFL5MWDk4DdkU6cHMmTXQsBjvJqbI3u EPtMFC+FbSqgGI04158GBxImdXDjqCmzHOlX7HEnjAcm2JTPshst1yGRFTkwsgqYFtjC tkFftoO223VjAwZyscbZUJFxXq4I15Kwq7598/Hb+Noho/6u3iIFrsT1Nj6VidUSf/Pk YNSSsIvF+85pP4uLdj0BUbPpwr8AiKvWnCApRLIVcUrEOqAvEEl3U59iYFha4BlaVzuI kmmdrkj0Drlim9kz5hI+bdooP91kdOfbdy6zZE1eFouD7ZOCrRQnv5vh2jNa0wIm+N9G XrwQ== X-Forwarded-Encrypted: i=1; AKwUvBx2y2WJNzB7tlUwENVUWjdJY9fySad0TSDE3rtcLYNmahEdH2nWjmk6OKll0Nf+WNcxsMV5dRg58shy@vger.kernel.org X-Gm-Message-State: AFuF++mc/3P6M9nf6GRxSnXPfmKxC0wYCbwuPnYmauYDnEIOeZpB5CQ5 lVRjqCnHgtFt8RXMTcQjnU/2YScznf/UJ+TLK67DTsZBrWhWIj1nzrKr X-Gm-Gg: AYBFou3cIkCQasNT8hhDnECW53YNmVodhkJLcnpqpFKr2JD3wE6O5d6nKMpDWIHUk1g 10ZTetxXzloDZfOu3zoe+dSZPK+fDZ5jc5RUgjl/a53l3L/2J0UIJ3qDM1YUvZmudccOgaKJVSt sdIq6bWQ/lH4N17Sj3h+zN7Me13IwKaPfACrPrFK3dKLdjSfbrE0CWY241heKoPL8xfzLeQwLFH iseeIbqs2b+xtUHdRp00bbOwDasXt/PQmxl8oWSEb/bvlFK3XIUdaPt1TDok8L0XH2Fl1lVcO7P VGZEVsd8KXuqEaveANRr+J16SjhJccQmWot/YT+ZdG17rS2CecOVAua5paRER3Mgvea+Tcx5Uwh e/vqa6OzuSQd4T/GecuEFkvAciJ+0mvpz+81bA3Zy/vowbMw6VYy9NDvs589AwwGA0HmJrNahwM 9SzmbGFl8jsU+Dj8O/9kLcp4onXyw/BQ9+BRVyW5ypy4XQ5x/COWqE7+Ic5TmMCsL0xkCC4OHmj gcG3tcfO5cXFAE8OHOCUfsjhfQZJi0Ra1eVskzDGPFMFTLxIVcVE6gfh3XeituQflvzxAHx9PqB OJHZ/ty8xy9PBTsCliMRyS0quRpOKtFgKwlF6g== X-Received: by 2002:a05:600c:c490:b0:49c:f4e1:4c2d with SMTP id 5b1f17b1804b1-49e619c0423mr160644645e9.16.1789332613554; Sun, 13 Sep 2026 13:50:13 -0700 (PDT) Received: from stiangglanda-IdeaPad.. ([85.233.101.104]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49e7723d458sm54986345e9.0.2026.09.13.13.50.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2026 13:50:13 -0700 (PDT) From: Leander Kieweg To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Cc: airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, u.kleine-koenig@baylibre.com, Leander Kieweg Subject: [PATCH v4 1/2] dt-bindings: display: Add GlandaGPU binding Date: Sun, 13 Sep 2026 22:50:06 +0200 Message-ID: <20260913205007.118552-2-kieweg.leander@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260913205007.118552-1-kieweg.leander@gmail.com> References: <20260913205007.118552-1-kieweg.leander@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add Device Tree binding documentation for GlandaGPU, a custom FPGA-based 2D display controller. For hardware designs and RTL sources, see: https://github.com/stiangglanda/GlandaGPU Signed-off-by: Leander Kieweg --- .../bindings/display/kieweg,gpu.yaml | 55 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/kieweg,gpu.yaml diff --git a/Documentation/devicetree/bindings/display/kieweg,gpu.yaml b/Documentation/devicetree/bindings/display/kieweg,gpu.yaml new file mode 100644 index 000000000..c0fda8438 --- /dev/null +++ b/Documentation/devicetree/bindings/display/kieweg,gpu.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/kieweg,gpu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GlandaGPU 2D Hardware Accelerated Display Controller + +maintainers: + - Leander Kieweg + +description: | + GlandaGPU is a custom FPGA soft-IP core providing a simple + 2D hardware-accelerated drawing engine with a VGA-compatible + display output. The register window covers a combined VRAM + MMIO + region, with MMIO registers at a fixed offset within it. + + For hardware designs and RTL sources, see: + https://github.com/stiangglanda/GlandaGPU + +properties: + compatible: + const: kieweg,gpu-1.0 + + reg: + maxItems: 1 + description: + Combined VRAM + MMIO register window (VRAM at offset 0, + MMIO registers at offset 0x00200000 within this range). + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: Bus and pixel clock provided to the FPGA IP. + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + #include + + gpu@c0000000 { + compatible = "kieweg,gpu-1.0"; + reg = <0xc0000000 0x1000000>; + interrupt-parent = <&intc>; + interrupts = ; + clocks = <&osc1>; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index b1af9deac..3a9d15dd7 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -893,6 +893,8 @@ patternProperties: description: Khadas "^kiebackpeter,.*": description: Kieback & Peter GmbH + "^kieweg,.*": + description: Leander Kieweg "^kinetic,.*": description: Kinetic Technologies "^kingdisplay,.*": -- 2.43.0