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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3472692e5d3sm2248944a91.9.2025.11.20.02.59.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Nov 2025 02:59:12 -0800 (PST) From: Vishnu Saini Date: Thu, 20 Nov 2025 16:28:05 +0530 Subject: [PATCH 1/2] arm64: dts: qcom: monaco: add lt8713sx bridge with displayport 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="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251120-lt8713sx-bridge-linux-for-next-v1-1-2246fc5fb490@qti.qualcomm.com> References: <20251120-lt8713sx-bridge-linux-for-next-v1-0-2246fc5fb490@qti.qualcomm.com> In-Reply-To: <20251120-lt8713sx-bridge-linux-for-next-v1-0-2246fc5fb490@qti.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Vishnu Saini , prahlad.valluru@oss.qualcomm.com, Prahlad Valluru , Vishnu Saini X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1763636345; l=2432; i=vishsain@qti.qualcomm.com; s=20251113; h=from:subject:message-id; bh=qIPGenZv9w9DwaR3O0qip5/mmYROjTXdWQ01oiMJN0Y=; b=8X+ihkkKZQgsnhFUMI/slY6fBUlOBFboT0T3FpDoXPe5S+AfZpDGLrks3zFlxDkiT6M0WZ3Ru 1nSbBvhV64BBTaMpPznIqKKlNEXH3KHAxlTsyL0J9CUWfsGHmiaLbBw X-Developer-Key: i=vishsain@qti.qualcomm.com; a=ed25519; pk=8hlXlF8j/3GeOaDK3w2LYhkv9FanCQru0c7kRH/It7k= X-Proofpoint-GUID: 0M_HEDmqwR3brtAe0hX_UzSGk9Df5PJj X-Proofpoint-ORIG-GUID: 0M_HEDmqwR3brtAe0hX_UzSGk9Df5PJj X-Authority-Analysis: v=2.4 cv=DMqCIiNb c=1 sm=1 tr=0 ts=691ef482 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=TtjlSvZfWGYSd8DQyFIA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTIwMDA2NyBTYWx0ZWRfX9P23w0ypYHdq L1oxKjeapuQM0hRcgO+CCA4rsbOMW04OmOhZsApu1xnYYbyRZjYLiggcCY8LE6NfaiZ1xouqfK3 xW6Pp08dK5VNC76UtnpCuX8dZGDJLrzwxZnIeXuYnq4FUJNroPhYqP44ozONGxA3IHC1/hVuJVx VjI3lKyrGagWm1cuWwTV6k+mTXZ+WncpPdljhZOc7Pn7Ft76QN0xeCvAyPQmx2COmkbQC74Z8wA hb933WPSJ6rDRv20usZCN0BgHJMfkYiRfWd/OgpArMl4Zhx7wh4KANGNayJ2ZNjjGMHj+g49ke6 Cr3bGxf40DTlFaoqkrA6YAtjlKfU3oWeOUoWi+JHHO2tfMPMNXtNj6eDttTreh1hKv+SlWXBCYf 3j0QMmCHfS3bmPKsLzrMVU+xF9kp3w== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-20_04,2025-11-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 adultscore=0 priorityscore=1501 bulkscore=0 spamscore=0 clxscore=1015 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511200067 Monaco-evk has LT8713sx which act as DP to 3 DP output converter. Edp PHY from monaco soc is connected to lt8713sx as input and output of lt8713sx is connected to 3 mini DP ports. Two of these ports are available in mainboard and one port is available on Mezz board. lt8713sx is connected to soc over i2c0 and with reset gpio connected to pin6 or ioexpander5. Enable the edp nodes from monaco and enable lontium lt8713sx bridge node. Co-developed-by: Prahlad Valluru Signed-off-by: Prahlad Valluru Signed-off-by: Vishnu Saini --- arch/arm64/boot/dts/qcom/monaco-evk.dts | 44 +++++++++++++++++++++++++++++= +++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/= qcom/monaco-evk.dts index bb35893da73d..947807f8a9cb 100644 --- a/arch/arm64/boot/dts/qcom/monaco-evk.dts +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts @@ -317,6 +317,20 @@ &gpu_zap_shader { firmware-name =3D "qcom/qcs8300/a623_zap.mbn"; }; =20 +&i2c0 { + pinctrl-0 =3D <&qup_i2c0_default>; + pinctrl-names =3D "default"; + + status =3D "okay"; + + lt8713sx: lt8713sx@4f { + /*Display bridge chip, DP1.4/HDMI2.0/DP++ hub*/ + compatible =3D "lontium,lt8713sx"; + reg =3D <0x4f>; + reset-gpios =3D <&expander5 6 GPIO_ACTIVE_HIGH>; + }; +}; + &i2c1 { pinctrl-0 =3D <&qup_i2c1_default>; pinctrl-names =3D "default"; @@ -396,6 +410,23 @@ expander6: gpio@3e { }; }; =20 +&mdss { + status =3D "okay"; +}; + +&mdss_dp0 { + status =3D "okay"; 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Co-developed-by: Prahlad Valluru Signed-off-by: Prahlad Valluru Signed-off-by: Vishnu Saini --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 00d15233a72b..5f21bbdca902 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -958,6 +958,7 @@ CONFIG_DRM_PANEL_VISIONOX_VTDR6130=3Dm CONFIG_DRM_DISPLAY_CONNECTOR=3Dm CONFIG_DRM_FSL_LDB=3Dm CONFIG_DRM_ITE_IT6263=3Dm +CONFIG_DRM_LONTIUM_LT8713SX=3Dm CONFIG_DRM_LONTIUM_LT8912B=3Dm CONFIG_DRM_LONTIUM_LT9611=3Dm CONFIG_DRM_LONTIUM_LT9611UXC=3Dm --=20 2.34.1