[PATCH 7/7] arm64: dts: mediatek: mt8167: Add HDMI display nodes

From: Luca Leonardo Scorcia

Date: Sat Oct 10 2026 - 08:03:00 EST


Add the required nodes to drive HDMI output on the mt8167 SoC.

Signed-off-by: Luca Leonardo Scorcia <l.scorcia@xxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt8167.dtsi | 62 ++++++++++++++++++++++++
1 file changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8167.dtsi b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
index 27cf32d7ae35..ab76e0637eb1 100644
--- a/arch/arm64/boot/dts/mediatek/mt8167.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
@@ -112,6 +112,27 @@ apmixedsys: apmixedsys@10018000 {
#clock-cells = <1>;
};

+ hdmi_phy: hdmi-phy@10018300 {
+ compatible = "mediatek,mt8167-hdmi-phy";
+ reg = <0 0x10018300 0 0x20>;
+ clocks = <&apmixedsys CLK_APMIXED_HDMI_REF>;
+ clock-names = "pll_ref";
+ clock-output-names = "hdmtx_dig_cts";
+ mediatek,ibias = <0xa>;
+ mediatek,ibias_up = <0x1c>;
+ #clock-cells = <0>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
+ cec: cec@1001a000 {
+ compatible = "mediatek,mt8167-cec", "mediatek,mt8173-cec";
+ reg = <0 0x1001a000 0 0xbc>;
+ interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_26M_CEC>;
+ status = "disabled";
+ };
+
iommu: m4u@10203000 {
compatible = "mediatek,mt8167-m4u";
reg = <0 0x10203000 0 0x1000>;
@@ -120,6 +141,15 @@ iommu: m4u@10203000 {
#iommu-cells = <1>;
};

+ hdmiddc: i2c@11011000 {
+ compatible = "mediatek,mt8167-hdmi-ddc", "mediatek,mt8173-hdmi-ddc";
+ reg = <0 0x11011000 0 0x10>;
+ interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_26M_HDMI_SIFM>;
+ clock-names = "ddc-i2c";
+ status = "disabled";
+ };
+
mmsys: syscon@14000000 {
compatible = "mediatek,mt8167-mmsys", "syscon";
reg = <0 0x14000000 0 0x1000>;
@@ -145,6 +175,38 @@ smi_common: smi@14017000 {
power-domains = <&spm MT8167_POWER_DOMAIN_MM>;
};

+ hdmi: hdmi@1401b000 {
+ compatible = "mediatek,mt8167-hdmi";
+ reg = <0 0x1401b000 0 0x400>;
+ clocks = <&mmsys CLK_MM_HDMI_PXL>,
+ <&mmsys CLK_MM_HDMI_PLL>,
+ <&mmsys CLK_MM_HDMI_ADSP_BCK>,
+ <&mmsys CLK_MM_HDMI_SPDIF>;
+ clock-names = "pixel", "pll", "bclk", "spdif";
+ interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_LOW>;
+ phys = <&hdmi_phy>;
+ phy-names = "hdmi";
+ mediatek,syscon-hdmi = <&mmsys 0x900>;
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ hdmi0_in: endpoint { };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ hdmi0_out: endpoint { };
+ };
+ };
+ };
+
imgsys: syscon@15000000 {
compatible = "mediatek,mt8167-imgsys", "syscon";
reg = <0 0x15000000 0 0x1000>;
--
2.43.0