[PATCH v5 07/14] arm64: dts: imx8mp-var-som-symphony: add HDMI support
From: Stefano Radaelli
Date: Mon Jun 08 2026 - 10:52:51 EST
From: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>
Enable the HDMI display pipeline and HDMI audio support on the Symphony
carrier board.
Signed-off-by: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>
---
v4->v5:
-
v3->v4:
- Add HDMI HPD support
v2->v3:
-
v1->v2:
- Add missing HDMI pinctrl configuration
- Enable LCDIF3 for the HDMI display pipeline
.../dts/freescale/imx8mp-var-som-symphony.dts | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
index 698f02fc39a5..0beaee5f81c9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
@@ -48,6 +48,18 @@ led-0 {
};
};
+ native-hdmi-connector {
+ compatible = "hdmi-connector";
+ label = "HDMI OUT";
+ type = "a";
+
+ port {
+ hdmi_in: endpoint {
+ remote-endpoint = <&hdmi_tx_out>;
+ };
+ };
+ };
+
pcie0_refclk: pcie0-refclk {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -74,6 +86,43 @@ reg_usdhc2_vqmmc: regulator-usdhc2-vqmmc {
states = <3300000 0x0 1800000 0x1>;
vin-supply = <&ldo5>;
};
+
+ sound-hdmi {
+ compatible = "fsl,imx-audio-hdmi";
+ model = "audio-hdmi";
+ audio-cpu = <&aud2htx>;
+ hdmi-out;
+ };
+};
+
+&aud2htx {
+ status = "okay";
+};
+
+&hdmi_pai {
+ status = "okay";
+};
+
+&hdmi_pvi {
+ status = "okay";
+};
+
+&hdmi_tx {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hdmi>;
+ status = "okay";
+
+ ports {
+ port@1 {
+ hdmi_tx_out: endpoint {
+ remote-endpoint = <&hdmi_in>;
+ };
+ };
+ };
+};
+
+&hdmi_tx_phy {
+ status = "okay";
};
&i2c3 {
@@ -152,6 +201,10 @@ rtc@68 {
};
};
+&lcdif3 {
+ status = "okay";
+};
+
&pcie {
reset-gpios = <&pcal6408 1 GPIO_ACTIVE_LOW>;
status = "okay";
@@ -253,6 +306,15 @@ &usdhc2 {
};
&iomuxc {
+ pinctrl_hdmi: hdmigrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x1c2
+ MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x1c2
+ MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x10
+ MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x10
+ >;
+ };
+
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
--
2.47.3