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authorPaul Kocialkowski <paulk@sys-base.io>2026-04-02 20:36:26 +0200
committerFrank Li <Frank.Li@nxp.com>2026-05-05 15:29:19 -0400
commite556f564a04fb6dd37887b5d098e2a0145f2bc9d (patch)
tree81d81852d3300cac656113f62e2b1662e97f3d06
parenteb27f9b9a4b2965f8d497a3c565cfbc2473c184b (diff)
downloadlinux-e556f564a04fb6dd37887b5d098e2a0145f2bc9d.tar.gz
linux-e556f564a04fb6dd37887b5d098e2a0145f2bc9d.zip
arm64: dts: imx8mp-phyboard-pollux: Add HDMI support
The PHYTEC phyBOARD Pollux comes with a HDMI port on the base board. Add the required device-tree nodes to enable support for it, including both the video and the audio paths. Signed-off-by: Paul Kocialkowski <paulk@sys-base.io> Signed-off-by: Frank Li <Frank.Li@nxp.com>
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
index 0fe52c73fc8f..4efdc6bdfe12 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
@@ -38,6 +38,18 @@
#cooling-cells = <2>;
};
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ label = "hdmi";
+ type = "a";
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&hdmi_tx_out>;
+ };
+ };
+ };
+
panel_lvds1: panel-lvds1 {
/* compatible panel in overlay */
backlight = <&backlight_lvds1>;
@@ -126,6 +138,13 @@
regulator-name = "VCC_1V8_EXP_CON";
};
+ sound-hdmi {
+ compatible = "fsl,imx-audio-hdmi";
+ model = "audio-hdmi";
+ audio-cpu = <&aud2htx>;
+ hdmi-out;
+ };
+
thermal-zones {
soc-thermal {
trips {
@@ -146,6 +165,10 @@
};
};
+&aud2htx {
+ status = "okay";
+};
+
/* TPM */
&ecspi1 {
#address-cells = <1>;
@@ -201,6 +224,32 @@
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_connector_in>;
+ };
+ };
+ };
+};
+
+&hdmi_tx_phy {
+ status = "okay";
+};
+
&i2c2 {
clock-frequency = <400000>;
pinctrl-names = "default", "gpio";
@@ -244,6 +293,10 @@
scl-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
};
+&lcdif3 {
+ status = "okay";
+};
+
&ldb_lvds_ch1 {
remote-endpoint = <&panel1_in>;
};
@@ -444,6 +497,15 @@
>;
};
+ pinctrl_hdmi: hdmigrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x1c3
+ MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x1c3
+ MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x19
+ MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x19
+ >;
+ };
+
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2