From nobody Fri Sep 20 01:39:11 2024 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 382C114532B; Tue, 18 Jun 2024 10:18:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718705882; cv=none; b=fQThHB7EQFNncVMt0MW67a1Mne6BkAC0r52mhJ6s3PBH3BDVuu6+qkY76am4UkAhtYT0ACh0mh8h8ORwy9AdB+D8F95X3E3/gsplukKbhOPNgB1d0vFCcqf04twLgaPL5tUuZFTsLKIPUU/PkTSlgflRB9GnLl8x6Tu8MBwsNl0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718705882; c=relaxed/simple; bh=Uin4HL8p/uMYwcu6R0/lMaoEXvWDsF3aIDdkjKb66fE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qz+8tb2QWDucTBopP6QB+oknwWHQbIcT16riqy214Dx34xexSONb33uO7WdQ0FExNICTrXGX/QAoEqDTgMV7+Xn9n0fu/cZr6CK7AOoW/chlsmTZW9PgA0+ptAGsuIlIsBtvRLqAVrurYYrjgL7IpRT+OhXdqx4K3aIXYqNrt6g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=XFxMhSu6; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="XFxMhSu6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1718705879; bh=Uin4HL8p/uMYwcu6R0/lMaoEXvWDsF3aIDdkjKb66fE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XFxMhSu6Yw82hw+10ugYDYqvV+SaUanULxHCsz154q4wtH/pBFYZSEJ2uk+ZzTCDi 87kaKBuLpf7liyKv+tur8D/WmX3OZVn8nnZkvTII6WSyX83GtCllCOpoyTS3s6cQzm IVma5UYRVhnxzcXIwD8wZMxcftGu48OzrW/SkR1dTtHQrNof+Z4wbzWfpPP7+si/Kj DgXhNczhUnEwbXD4LeILxR4i9uiArqcX0cYcaKls9z/3Q34b0/6Gh+pUQA0nZQLHF2 OXGOTw7ZI9k2Vj3ABNjsWS6OaJNCMM+4QsC7GNkJh9kA9zOfPVG/Flm3qp5yBzE74m 6iuxCaMHYqkLA== 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 0718E3782186; Tue, 18 Jun 2024 10:17:57 +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, sui.jingfeng@linux.dev, michael@walle.cc, Alexandre Mergnat Subject: [PATCH v8 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path Date: Tue, 18 Jun 2024 12:17:25 +0200 Message-ID: <20240618101726.110416-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240618101726.110416-1-angelogioacchino.delregno@collabora.com> References: <20240618101726.110416-1-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 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 2.45.2