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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7ff7b423d86sm2181867b3a.26.2025.12.19.03.33.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Dec 2025 03:33:15 -0800 (PST) From: Vishnu Saini Date: Fri, 19 Dec 2025 17:02:10 +0530 Subject: [PATCH v2 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: <20251219-lt8713sx-bridge-linux-for-next-v2-1-2e53f5490eb9@oss.qualcomm.com> References: <20251219-lt8713sx-bridge-linux-for-next-v2-0-2e53f5490eb9@oss.qualcomm.com> In-Reply-To: <20251219-lt8713sx-bridge-linux-for-next-v2-0-2e53f5490eb9@oss.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 X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1766143989; l=3938; i=vishnu.saini@oss.qualcomm.com; s=20251113; h=from:subject:message-id; bh=rnHU/nRmdO9wlQ7vG9ynN3lPWFYGY9vBOvKwQNU/1Qs=; b=JdTQLjkH5e1Ls27aJcWOyBhVZB6MKY88VjCUM6KGQrqRXEAGWewUq2ezThj+ERlaXRBSkrUwp +H0mhpPBHuPDEVV2SxxBh2xAtVXHWg+s8EnzwD47dinU/XDD9RcMYWO X-Developer-Key: i=vishnu.saini@oss.qualcomm.com; a=ed25519; pk=8hlXlF8j/3GeOaDK3w2LYhkv9FanCQru0c7kRH/It7k= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE5MDA5NSBTYWx0ZWRfX3CVYoDqjealF JC2vdopQQhvD9nM91vAyn0tJdW1lH/Psfix2QCWyxJUWnFYgYUlibxGoK5qjDHAf9ahEmU9cFOK 9sZfVNjetA1tDWCW/eLk8/s76Jqk2BFl3npPpT88MsnSrN8ayZTmuGsycHMn55CrwNqZe/DfpoE PCgtCk+mA/+CtwUk6Fj1FI/zpwfucBzjia5+60mBCWDmSfcBQWtnYefPX8fGhY3FlbSpPoLxfJY x/Za+A7npZObq5LNbZzqlsHTzetK8uGKHKeHwIhE2JF0glEYdravIo6DhU9YNfNl+VdrQJlppRg z+yP6H+nBwf9s/ihIqaEluhDoAJy73nqoxiuzcYBdtbmBVvaeAcnkZXtilqTGOyMv0B4Ds/WMKI iLtrYZCJlnSHZDDkZAQ7ANhdsUq1l0elz8DBZ5oS2xLAX5XIjORwF33fZDDL0pSpGEnycA++dhT VrUczT+cHDlkD3ANsXA== X-Authority-Analysis: v=2.4 cv=dOmrWeZb c=1 sm=1 tr=0 ts=694537fc cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=Ov8SyQ6_pS9HVYgZQC4A:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-ORIG-GUID: bNoeKrVS7YhS-bhQrC7Ni0W2piHG7PYl X-Proofpoint-GUID: bNoeKrVS7YhS-bhQrC7Ni0W2piHG7PYl 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=2025-12-19_03,2025-12-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 malwarescore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512190095 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 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 of 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 | 94 +++++++++++++++++++++++++++++= ++++ arch/arm64/boot/dts/qcom/monaco.dtsi | 6 +++ 2 files changed, 100 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/= qcom/monaco-evk.dts index bb35893da73d..eb321867f1de 100644 --- a/arch/arm64/boot/dts/qcom/monaco-evk.dts +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts @@ -32,6 +32,30 @@ dmic: audio-codec-0 { num-channels =3D <1>; }; =20 + dp-connector0 { + compatible =3D "dp-connector"; + label =3D "DP"; + type =3D "mini"; + + port { + dp0_connector_in: endpoint { + remote-endpoint =3D <<8713sx_dp0_out>; + }; + }; + }; + + dp-connector1 { + compatible =3D "dp-connector"; + label =3D "DP"; + type =3D "mini"; + + port { + dp1_connector_in: endpoint { + remote-endpoint =3D <<8713sx_dp1_out>; + }; + }; + }; + max98357a: audio-codec-1 { compatible =3D "maxim,max98357a"; #sound-dai-cells =3D <0>; @@ -317,6 +341,45 @@ &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"; + + bridge@4f { + compatible =3D "lontium,lt8713sx"; + reg =3D <0x4f>; + reset-gpios =3D <&expander5 6 GPIO_ACTIVE_LOW>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + lt8713sx_dp_in: endpoint { + remote-endpoint =3D <&mdss_dp0_out>; + }; + }; + + port@1 { + reg =3D <1>; + lt8713sx_dp0_out: endpoint { + remote-endpoint =3D <&dp0_connector_in>; + }; + }; + + port@2 { + reg =3D <2>; + lt8713sx_dp1_out: endpoint { + remote-endpoint =3D <&dp1_connector_in>; + }; + }; + }; + }; +}; + &i2c1 { pinctrl-0 =3D <&qup_i2c1_default>; pinctrl-names =3D "default"; @@ -396,6 +459,30 @@ expander6: gpio@3e { }; }; =20 +&mdss { + status =3D "okay"; +}; + +&mdss_dp0 { + pinctrl-0 =3D <&dp_hot_plug_det>; + pinctrl-names =3D "default"; + + status =3D "okay"; +}; + +&mdss_dp0_out { + data-lanes =3D <0 1 2 3>; + link-frequencies =3D /bits/ 64 <1620000000 2700000000 5400000000 81000000= 00>; + remote-endpoint =3D <<8713sx_dp_in>; +}; + +&mdss_dp0_phy { + vdda-phy-supply =3D <&vreg_l5a>; + vdda-pll-supply =3D <&vreg_l4a>; + + status =3D "okay"; +}; + &iris { status =3D "okay"; }; @@ -451,6 +538,13 @@ ethernet0_mdio: ethernet0-mdio-pins { }; }; =20 + qup_i2c0_default: qup-i2c0-state { + pins =3D "gpio17", "gpio18"; + function =3D "qup0_se0"; + drive-strength =3D <2>; + bias-pull-up; + }; + qup_i2c1_default: qup-i2c1-state { pins =3D "gpio19", "gpio20"; function =3D "qup0_se1"; diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qco= m/monaco.dtsi index e44fd5c33816..7f6c681fb1b4 100644 --- a/arch/arm64/boot/dts/qcom/monaco.dtsi +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi @@ -5117,6 +5117,12 @@ tlmm: pinctrl@f100000 { #interrupt-cells =3D <2>; wakeup-parent =3D <&pdc>; =20 + dp_hot_plug_det: dp-hot-plug-det-state { + pins =3D "gpio94"; + function =3D "edp0_hot"; + bias-disable; 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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7ff7b423d86sm2181867b3a.26.2025.12.19.03.33.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Dec 2025 03:33:18 -0800 (PST) From: Vishnu Saini Date: Fri, 19 Dec 2025 17:02:11 +0530 Subject: [PATCH v2 2/2] arm64: defconfig: Enable Lontium LT8713sx driver 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: <20251219-lt8713sx-bridge-linux-for-next-v2-2-2e53f5490eb9@oss.qualcomm.com> References: <20251219-lt8713sx-bridge-linux-for-next-v2-0-2e53f5490eb9@oss.qualcomm.com> In-Reply-To: <20251219-lt8713sx-bridge-linux-for-next-v2-0-2e53f5490eb9@oss.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 X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1766143989; l=843; i=vishnu.saini@oss.qualcomm.com; s=20251113; h=from:subject:message-id; bh=tJ0OhhU1TyvUwelPIODPcQ0pK+ThKb8rAGtvupaBgK0=; b=+NemZ2pw97rgcJw9oZQ8LBrO/vGeaebLJClq0Ji4ci2kXDNbACnv6apJttno5qkbTm/GkhSg3 q7fWDF1m51IAeV9H340I8cKg4ZZJdS86tPPVZKqaoxxWsRPebQN+Wem X-Developer-Key: i=vishnu.saini@oss.qualcomm.com; a=ed25519; pk=8hlXlF8j/3GeOaDK3w2LYhkv9FanCQru0c7kRH/It7k= X-Authority-Analysis: v=2.4 cv=cpSWUl4i c=1 sm=1 tr=0 ts=69453800 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=mes9G_zLd8qmkOzsJuYA:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE5MDA5NSBTYWx0ZWRfXzOYxE03Pdxrq 2wO6uY3t9MrEhYH3RkRm0ZmvrVSwb1cOn7CL+zATGl8aBfFENjYRKEYM6pXW6ISgBgNyvsjl7CB aM8z/+cI0ZpcLg+tz3KOdHGLLBF9h5rxAjjSLiwat/Y9kGkNTGYHH34HXpZkVpOG9nwArjFIg76 2/XxmVAA2f3hR39E3imQ5s3TUBGsQd47qjsabnuDWBVBk4u1KVhjg+PhvVEiTiUczxAO11CgtqK AcPdVeU/wol+GZVERwKhTuMVqtJmLopZ109g/x8460v07YkKu2LuOE+Mpn05lRMrvfg5EvKrdoH AFNcTo2YCEiONWKxV+Jjx6RsmUP8RXOR042y5C63pwEYBQPhOIyrhvLjx0o+HuGo1+LWktHxRlX 6E9baDmED+NwGNa6mgELQlwG6AKwYQHzckH+kNy13soM3HWKlzBBHDGagEpxsGLTCN40wMdLCLc 8gnjT0wijqc27WnjTeg== X-Proofpoint-GUID: otxt-5DWJHPdtNh4cvYsDOk6WxEp0gi3 X-Proofpoint-ORIG-GUID: otxt-5DWJHPdtNh4cvYsDOk6WxEp0gi3 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=2025-12-19_03,2025-12-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 suspectscore=0 bulkscore=0 phishscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512190095 Lontium LT8713sx DP bridge hub can be found on a Qualcomm Monaco EVK board for converting 1 DP to 3 DP output. 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