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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad1a73b0fesm183300375ad.38.2026.02.19.22.24.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Feb 2026 22:24:08 -0800 (PST) Date: Fri, 20 Feb 2026 11:54:00 +0530 From: Vishnu Saini To: Dmitry Baryshkov Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tony , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, prahlad.valluru@oss.qualcomm.com, Prahlad Valluru Subject: Re: [PATCH v3 1/2] dt-bindings: bridge: lt8713sx: Add bindings Message-ID: References: <20251228-lt8713sx-bridge-driver-v3-0-9169fbef0e5b@oss.qualcomm.com> <20251228-lt8713sx-bridge-driver-v3-1-9169fbef0e5b@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Proofpoint-GUID: 917uYcuRJlARlnRngN6eAN-DQAor8aQt X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIwMDA1NCBTYWx0ZWRfXzC+F/4JvUqyd wNfyce8XZzThLlhqT+myj7MTIDqe7yuW8DaoLf/g5xlEfaFz8i2Jje2CckxZD7OQp3gWwSdDSTS HqbYq01fQAvfl3kfReGHodaaEOKo2XBSZXRxYkWiX+iDdZ3iDwd+fLZaQRUS/CI48QZbbE5viZy wlsXib3JozAIB6LF/vMydSflo1xsgD5qVNtjeJIp9livC0S4hopxOksSE+yTXRTiRZ+3AEvIor/ E3CbUXcV+fNUaRteU07G2jI3cemIMBo7HHkjKhgxL1OXPkPV3tR1EvJr/Dq2OOzPHzFArw6uwL2 pzg7IUFiIi2mm8BgQ0L2x8CrKWRewonDd6z8Om8Pd8/+ZTCFszl32k1OsuQ9EL7ksHQU5cuSpeE 8I9LeQhaUL0NT81iO9zPPu49FEgKgXiH4Nq4aOM9yso9xdS22WV4EyWAzFWfziDJCCU/sN+8is/ LS3sSvoWlBCbUlTGflQ== X-Authority-Analysis: v=2.4 cv=PcTyRyhd c=1 sm=1 tr=0 ts=6997fe0a cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=kj9zAlcOel0A:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=gEfo2CItAAAA:8 a=EUspDBNiAAAA:8 a=Kz8-B0t5AAAA:8 a=i8Grg5fijvnERB4Ir38A:9 a=CjuIK1q_8ugA:10 a=1OuFwYUASf3TG4hYMiVC:22 a=sptkURWiP4Gy88Gu7hUp:22 a=RuZk68QooNbwfxovefhk:22 X-Proofpoint-ORIG-GUID: 917uYcuRJlARlnRngN6eAN-DQAor8aQt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-19_06,2026-02-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 clxscore=1015 phishscore=0 adultscore=0 suspectscore=0 spamscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602200054 On Sun, Dec 28, 2025 at 04:20:46PM +0200, Dmitry Baryshkov wrote: > On Sun, Dec 28, 2025 at 05:10:39PM +0530, Vishnu Saini wrote: > > Add bindings for lt8713sx. > > > > Co-developed-by: Prahlad Valluru > > Signed-off-by: Prahlad Valluru > > Signed-off-by: Vishnu Saini > > --- > > .../bindings/display/bridge/lontium,lt8713sx.yaml | 101 +++++++++++++++++++++ > > 1 file changed, 101 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml > > new file mode 100644 > > index 000000000000..0a6dc56e337c > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml > > @@ -0,0 +1,101 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8713sx.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Lontium LT8713SX Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0/DP++ bridge-hub > > + > > +maintainers: > > + - Tony > > Is he/she aware of this? > yes, Got the confirmation in email for upstreaming. I will add him in CC in next patch. > > + > > +description: > > + The Lontium LT8713SX is a Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0 converter > > + that integrates one DP input and up to three configurable output interfaces > > + (DP1.4 / HDMI2.0 / DP++), with SST/MST functionality and audio support. > > + > > +properties: > > + compatible: > > + enum: > > + - lontium,lt8713sx > > + > > + reg: > > + maxItems: 1 > > + > > + vcc-supply: > > + description: Regulator for 3.3V vcc. > > + > > + vdd-supply: > > + description: Regulator for 1.1V vdd. > > + > > + reset-gpios: > > + description: GPIO connected to active low RESET pin. > > + > > + ports: > > + $ref: /schemas/graph.yaml#/properties/ports > > + > > + properties: > > + port@0: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + DP port for DP input from soc to bridge chip > > + > > + port@1: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + DP port for DP output from bridge > > + > > + port@2: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Additional DP port for DP output from bridge > > Why do you have only two output ports here? The datasheet documents > three ports. Currently using only 2 ports in rb4 main board, 3rd edp port is in mezz board. Will add one more port in next patch. > > + > > + required: > > + - port@0 > > + > > +required: > > + - compatible > > + - reg > > + - ports > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include > > + > > + i2c { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + bridge@4f { > > + compatible = "lontium,lt8713sx"; > > + reg = <0x4f>; > > + reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>; > > + > > + ports { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + port@0 { > > + reg = <0>; > > + lt8713sx_dp_in: endpoint { > > + remote-endpoint = <&mdss_dp0_out>; > > + }; > > + }; > > + > > + port@1 { > > + reg = <1>; > > + lt8713sx_dp0_out: endpoint { > > + remote-endpoint = <&dp0_connector_in>; > > + }; > > + }; > > + > > + port@2 { > > + reg = <2>; > > + lt8713sx_dp1_out: endpoint { > > + remote-endpoint = <&dp1_connector_in>; > > + }; > > + }; > > + }; > > + }; > > + }; > > > > -- > > 2.34.1 > > Sorry maintainers for delay in update on lt8713sx driver and dt series. I was on travel and than went on leave for a couple of weeks. Will be dedicately work on this now. > -- > With best wishes > Dmitry