From nobody Wed Nov 27 04:58:21 2024 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A8B41537C6; Mon, 14 Oct 2024 08:51:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728895917; cv=none; b=cAquLtDvHaW4DRNoTl9MOoP1w8GlbjuYtBzS/wRrQ3Oith2+EO72fhuuxogaQRvT0XgCfw0Pdpyp3HPWTFt66HJJSwh0TmZWlyOZu5O+lGHEvEuvMsJ4DYXFe4ALYvq3AtfoaL9uX7BYQlVOZjdPDNF1mP9EhB6FfgxchC0ZM08= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728895917; c=relaxed/simple; bh=Cq3dZsX1iPH2sUqY98fTwu1oiCm4WlLKa+tNu4ZQhh0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lDryrIeutNn1FGQ5NwNcA2kz1pU8u8xUgM3HWNrVVrjpNjEkck+lSl8ec8Xdez+mQN7Oxxlizzmp51v8CQsCbVeqR5k6/+a/e/c0nnqME4SzWKrrV4FQqMwItFFY1JAUyL+/5qqSpG7dXMO6SAnA3SBWsYAuqm+XJlBZrcCfBak= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=qUQQ6ZBD; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="qUQQ6ZBD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1728895913; bh=Cq3dZsX1iPH2sUqY98fTwu1oiCm4WlLKa+tNu4ZQhh0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qUQQ6ZBDl7dXYCL1LCklwm2eJYb5hK/CphXwxtvitwg0EZbOp4TBDd+0ag0krkc+G JFEacNAfsxwbOJf2IssQ613a1RRZ1FV8qsJu4yk2sbcw7VSoaZecHtcby/84bpxAiv tjk7ochIIhHlSXTIpaNv1GDuxuxDmZ4KYwAcZafY3xFRvtCK7T7bpzuVhsjM+XPk6T FEQihqTw1uTU45itNEUg3cf8RSkikqGZzW6FQHzJyQFxYPytQO0SysR3xPXEpuBRVf BqQxeI1SrZBv0FeFPqNWWSyV8c5XxmD/i4EarSuenkwfpIG5topRap/5fmqpDurbkO jHJntU+vaNdag== 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 D9AAD17E11FA; Mon, 14 Oct 2024 10:51:52 +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 v12 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path Date: Mon, 14 Oct 2024 10:51:47 +0200 Message-ID: <20241014085148.71105-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241014085148.71105-1-angelogioacchino.delregno@collabora.com> References: <20241014085148.71105-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 =20 + 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 --=20 2.46.1