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: 13839845 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 C2D75D21274 for ; Thu, 17 Oct 2024 11:01:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=x+ghuzRySs3Rlk+pvyNj+Nml0+xvv3jeX5LPqOUlAOo=; b=cDSA7n6IOFIHeyA+Qu/Q8Hy3hW P7SpMahCn+xo2r1KeU8YjzkK0WSNMeasbnHS5jV+xxhLzyawYtHlZ67UnkRxs8jt7TvE7a4MhGdFj uXwEPAlowtolsohwb5mpHgqVOyfI+X4xI1RGrAoFLFPs9wzttLuXtf4N1TNUN+6PbnAD7HUyd+616 2vnvTBuirdTYyDf96Af5wKhLr8c5tdpCoHRiGkFEJv0b2Nnak/60XbA22PuxiU2WU0r4Ge3Ugrkka cWWx9Xz+NBtvF1DV4WPanyvVFeIcI85ng+VNgKLZ+nK1nmZTAw1Ru+SITocMIgzbf3wtLSe7R9Qer UnONmfDA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1OFr-0000000EZSH-3EPb; Thu, 17 Oct 2024 11:01:19 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t1NtZ-0000000EX7Z-1FtC; Thu, 17 Oct 2024 10:38:22 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241017_033817_580873_074E48F7 X-CRM114-Status: GOOD ( 10.79 ) 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. 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