From patchwork Thu Apr 4 08:16:34 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: 13617435 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 EB11BCD1284 for ; Thu, 4 Apr 2024 08:17:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zeqMgZu7aPQQaQfvLmM/IZmKp1vXZdeSia09UW3CGrs=; b=nrp3Z0Jl40FRGk 2eBbyAmp0VE09ihrE48LB88/p2XuQj2xsd525x7mXFYkBhmvcrrh8IFHtjChLpyQRgcKWPeKVLBbn xwSJDuh7FEZ2uEmepCNUuXE6NjoDWs6C3+S8MlFW9PUK/fsX8094WcGUZVA2S0Aipzv1WROKxbHjV bcIfpJeut3O9CaWM5ZE2Egc7zfvEFbBahbf66ebPFpwqnqClKYxHgBl6MLEPBGcx6SluMoJkGyW3x z699wpAaeF07iisyqPwXoZymmsowdXZ9cIjkDyGgyWH06AWavFIyS31VxFMOLUKevOoxaDdV7M76d 0D8wvt5ZYd2uuzotWmcg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsIHK-00000001nMl-41IY; Thu, 04 Apr 2024 08:16:58 +0000 Received: from madrid.collaboradmins.com ([2a00:1098:ed:100::25]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsIH8-00000001nEH-1Gg0; Thu, 04 Apr 2024 08:16:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1712218604; bh=jkfVHXis1dIiIoD00USp12skWB8veAyftXYu9xdtMWQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q6gk3PZZwEP1i4QppgCUu3WEdzGz6fVQtrdxDb6NvDUq00qJN4BN9zJfJfpW8xMBz 0+gDGFhnSmmBB3g1pBVICBCbucnspHMc9XoR5V0be0Dq2wgju23i9ao+SJ9wdkw+OX b5GRhaGpWVvC4Ue421GW93FyTcPZz/IyhJ6QEtCPKJTcLITfbl4G781mDqiNxTqHh1 JOV2Rm/ra0ohZJgk6VrZIWkU/+XHQmbUe8xPyP27UZhTwp+/jIMoXv+7awnvfpU/vK 5lZwpz6M9ji0CyVvsaP6/a5JHHxlcPcgw0ESAPFpevRiUzHRDHFvJ4V1E9KWJJGs7B reHc6XULknp1Q== Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (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 madrid.collaboradmins.com (Postfix) with ESMTPSA id 92C803782129; Thu, 4 Apr 2024 08:16:43 +0000 (UTC) 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 Subject: [PATCH v1 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path Date: Thu, 4 Apr 2024 10:16:34 +0200 Message-ID: <20240404081635.91412-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240404081635.91412-1-angelogioacchino.delregno@collabora.com> References: <20240404081635.91412-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240404_011646_516951_CF94F927 X-CRM114-Status: GOOD ( 10.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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. Signed-off-by: AngeloGioacchino Del Regno --- .../bindings/arm/mediatek/mediatek,mmsys.yaml | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml index b3c6888c1457..90758bb5bcb1 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml @@ -93,6 +93,29 @@ 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 up to three 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 + + required: + - endpoint@0 + required: - compatible - reg