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arm64: dts: qcom: monaco-evk: add lt8713sx bridge with displayport

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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 <vvalluru@qti.qualcomm.com>
Signed-off-by: Prahlad Valluru <vvalluru@qti.qualcomm.com>
Signed-off-by: Vishnu Saini <vishnu.saini@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260319-lt8713sx-bridge-linux-for-next-v4-1-da886ec78fe3@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Vishnu Saini 2026-03-19 00:38:19 +05:30 committed by Bjorn Andersson
parent 3272916a7c
commit e50db17fe8
2 changed files with 98 additions and 0 deletions
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92
arch/arm64/boot/dts/qcom/monaco-evk.dts
View File

@ -57,6 +57,30 @@ max98357a: audio-codec-1 {
#sound-dai-cells = <0>;
};
dp-connector-0 {
compatible = "dp-connector";
label = "DP0";
type = "mini";
port {
dp0_connector_in: endpoint {
remote-endpoint = <&lt8713sx_dp0_out>;
};
};
};
dp-connector-1 {
compatible = "dp-connector";
label = "DP1";
type = "mini";
port {
dp1_connector_in: endpoint {
remote-endpoint = <&lt8713sx_dp1_out>;
};
};
};
usb2_vbus: regulator-usb2-vbus {
compatible = "regulator-fixed";
regulator-name = "usb2_vbus";
@ -397,6 +421,45 @@ &gpu_zap_shader {
firmware-name = "qcom/qcs8300/a623_zap.mbn";
};
&i2c0 {
status = "okay";
bridge@4f {
compatible = "lontium,lt8713sx";
reg = <0x4f>;
reset-gpios = <&expander5 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>;
};
};
};
};
};
&i2c1 {
pinctrl-0 = <&qup_i2c1_default>;
pinctrl-names = "default";
@ -525,6 +588,30 @@ &iris {
status = "okay";
};
&mdss {
status = "okay";
};
&mdss_dp0 {
pinctrl-0 = <&dp_hot_plug_det>;
pinctrl-names = "default";
status = "okay";
};
&mdss_dp0_out {
data-lanes = <0 1 2 3>;
link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
remote-endpoint = <&lt8713sx_dp_in>;
};
&mdss_dp0_phy {
vdda-phy-supply = <&vreg_l5a>;
vdda-pll-supply = <&vreg_l4a>;
status = "okay";
};
&pcie0 {
pinctrl-0 = <&pcie0_default_state>;
pinctrl-names = "default";
@ -573,6 +660,11 @@ usb2_id: usb2-id-state {
};
};
&qup_i2c0_data_clk {
drive-strength = <2>;
bias-pull-up;
};
&qupv3_id_0 {
firmware-name = "qcom/qcs8300/qupv3fw.elf";
status = "okay";

6
arch/arm64/boot/dts/qcom/monaco.dtsi
View File

@ -6418,6 +6418,12 @@ scl-pins {
};
};
dp_hot_plug_det: dp-hot-plug-det-state {
pins = "gpio94";
function = "edp0_hot";
bias-disable;
};
hs0_mi2s_active: hs0-mi2s-active-state {
pins = "gpio106", "gpio107", "gpio108", "gpio109";
function = "hs0_mi2s";