From patchwork Thu Oct 17 10:38:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13839833 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 B55E0D21277 for ; Thu, 17 Oct 2024 10:38:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CC9E210E7EB; Thu, 17 Oct 2024 10:38:19 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="E8r1JIid"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id DA2FE10E7EA for ; Thu, 17 Oct 2024 10:38:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1729161495; bh=Cq3dZsX1iPH2sUqY98fTwu1oiCm4WlLKa+tNu4ZQhh0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E8r1JIidztxdOdnyIv8lGr/tXJ5KxDYz1yrg6lMI7T4fnLUc+Q5r7XoJBwmkc3wVc W48seREFy534RgWyNx35XyTckzKslWvvojEflhyff/unWH9ZyX2dZ0iiIMo0zPtL/c o748ajU+dL6HmlKkoQkxxJdOfiJl3gvcTUMS98Z2fa9x2KpB86OQn1nTZ5LG3ZPZtZ npg/RbfHPnmGbjyD3Lxccqxcbmqp++SZNsxh8y6CcKgmR9z4ga9b2jjmKKVKdyc5yJ velYOP2MbncHgY1Yc/6r4obGiT1Tv8WGHenZvVtaqVCoztJVXnRN8vm16pR0UGzLD+ sgNI4Wtbwgthg== Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id BE91117E14D7; Thu, 17 Oct 2024 12:38:14 +0200 (CEST) From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, shawn.sung@mediatek.com, yu-chang.lee@mediatek.com, ck.hu@mediatek.com, jitao.shi@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, wenst@chromium.org, kernel@collabora.com, sui.jingfeng@linux.dev, michael@walle.cc, sjoerd@collabora.com, Alexandre Mergnat , Michael Walle Subject: [PATCH v13 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path Date: Thu, 17 Oct 2024 12:38:08 +0200 Message-ID: <20241017103809.156056-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241017103809.156056-1-angelogioacchino.delregno@collabora.com> References: <20241017103809.156056-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 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" Document OF graph on MMSYS/VDOSYS: this supports up to three DDP paths per HW instance (so potentially up to six displays for multi-vdo SoCs). The MMSYS or VDOSYS is always the first component in the DDP pipeline, so it only supports an output port with multiple endpoints - where each endpoint defines the starting point for one of the (currently three) possible hardware paths. Reviewed-by: Rob Herring (Arm) Reviewed-by: Alexandre Mergnat Tested-by: Alexandre Mergnat Reviewed-by: CK Hu Tested-by: Michael Walle # on kontron-sbc-i1200 Signed-off-by: AngeloGioacchino Del Regno --- .../bindings/arm/mediatek/mediatek,mmsys.yaml | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml index b3c6888c1457..3f4262e93c78 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml @@ -93,6 +93,34 @@ properties: '#reset-cells': const: 1 + port: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port node. This port connects the MMSYS/VDOSYS output to + the first component of one display pipeline, for example one of + the available OVL or RDMA blocks. + Some MediaTek SoCs support multiple display outputs per MMSYS. + properties: + endpoint@0: + $ref: /schemas/graph.yaml#/properties/endpoint + description: Output to the primary display pipeline + + endpoint@1: + $ref: /schemas/graph.yaml#/properties/endpoint + description: Output to the secondary display pipeline + + endpoint@2: + $ref: /schemas/graph.yaml#/properties/endpoint + description: Output to the tertiary display pipeline + + anyOf: + - required: + - endpoint@0 + - required: + - endpoint@1 + - required: + - endpoint@2 + required: - compatible - reg