* [PATCH] arm64: dts: imx8mp-phyboard-pollux: Add HDMI support
@ 2026-03-30 22:37 Paul Kocialkowski
2026-04-01 12:06 ` Yannic Moog
0 siblings, 1 reply; 3+ messages in thread
From: Paul Kocialkowski @ 2026-03-30 22:37 UTC (permalink / raw)
To: devicetree, imx, linux-arm-kernel, linux-kernel
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Frank Li,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
Paul Kocialkowski
The PHYTEC phyBOARD Pollux comes with a HDMI port on the base board.
Add the required device-tree nodes to enable support for it.
Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
---
.../freescale/imx8mp-phyboard-pollux-rdk.dts | 47 +++++++++++++++++++
1 file changed, 47 insertions(+)
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..0d52f29813f1 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 @@ fan0: fan {
#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>;
@@ -201,6 +213,28 @@ &flexcan2 {
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 +278,10 @@ &i2c3 {
scl-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
};
+&lcdif3 {
+ status = "okay";
+};
+
&ldb_lvds_ch1 {
remote-endpoint = <&panel1_in>;
};
@@ -444,6 +482,15 @@ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x154
>;
};
+ 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
--
2.53.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: dts: imx8mp-phyboard-pollux: Add HDMI support
2026-03-30 22:37 [PATCH] arm64: dts: imx8mp-phyboard-pollux: Add HDMI support Paul Kocialkowski
@ 2026-04-01 12:06 ` Yannic Moog
2026-04-02 16:12 ` Paul Kocialkowski
0 siblings, 1 reply; 3+ messages in thread
From: Yannic Moog @ 2026-04-01 12:06 UTC (permalink / raw)
To: Paul Kocialkowski, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Frank Li,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
On Tue, 2026-03-31 at 00:37 +0200, Paul Kocialkowski wrote:
> The PHYTEC phyBOARD Pollux comes with a HDMI port on the base board.
> Add the required device-tree nodes to enable support for it.
"Only" video is supported, but it does work. You could add that to the description since audio is
also supported upstream and part of HDMI.
Yannic
>
> Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Reviewed-by: Yannic Moog <y.moog@phytec.de>
Tested-by: Yannic Moog <y.moog@phytec.de>
> ---
> .../freescale/imx8mp-phyboard-pollux-rdk.dts | 47 +++++++++++++++++++
> 1 file changed, 47 insertions(+)
>
> 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..0d52f29813f1 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 @@ fan0: fan {
> #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>;
> @@ -201,6 +213,28 @@ &flexcan2 {
> 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 +278,10 @@ &i2c3 {
> scl-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> };
>
> +&lcdif3 {
> + status = "okay";
> +};
> +
> &ldb_lvds_ch1 {
> remote-endpoint = <&panel1_in>;
> };
> @@ -444,6 +482,15 @@ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x154
> >;
> };
>
> + 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 0
> x19
> + MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0
> x19
> + >;
> + };
> +
> pinctrl_i2c2: i2c2grp {
> fsl,pins = <
> MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: dts: imx8mp-phyboard-pollux: Add HDMI support
2026-04-01 12:06 ` Yannic Moog
@ 2026-04-02 16:12 ` Paul Kocialkowski
0 siblings, 0 replies; 3+ messages in thread
From: Paul Kocialkowski @ 2026-04-02 16:12 UTC (permalink / raw)
To: Yannic Moog
Cc: devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Frank Li, Sascha Hauer, Pengutronix Kernel Team,
Fabio Estevam
[-- Attachment #1: Type: text/plain, Size: 3212 bytes --]
Hi Yannic,
On Wed 01 Apr 26, 12:06, Yannic Moog wrote:
> On Tue, 2026-03-31 at 00:37 +0200, Paul Kocialkowski wrote:
> > The PHYTEC phyBOARD Pollux comes with a HDMI port on the base board.
> > Add the required device-tree nodes to enable support for it.
>
> "Only" video is supported, but it does work. You could add that to the description since audio is
> also supported upstream and part of HDMI.
You're right, I didn't think about the audio part.
I'll add it in the next iteration.
All the best,
Paul
> Yannic
>
> >
> > Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
>
> Reviewed-by: Yannic Moog <y.moog@phytec.de>
> Tested-by: Yannic Moog <y.moog@phytec.de>
>
> > ---
> > .../freescale/imx8mp-phyboard-pollux-rdk.dts | 47 +++++++++++++++++++
> > 1 file changed, 47 insertions(+)
> >
> > 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..0d52f29813f1 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 @@ fan0: fan {
> > #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>;
> > @@ -201,6 +213,28 @@ &flexcan2 {
> > 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 +278,10 @@ &i2c3 {
> > scl-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > };
> >
> > +&lcdif3 {
> > + status = "okay";
> > +};
> > +
> > &ldb_lvds_ch1 {
> > remote-endpoint = <&panel1_in>;
> > };
> > @@ -444,6 +482,15 @@ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x154
> > >;
> > };
> >
> > + 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 0
> > x19
> > + MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0
> > x19
> > + >;
> > + };
> > +
> > pinctrl_i2c2: i2c2grp {
> > fsl,pins = <
> > MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2
--
Paul Kocialkowski,
Independent contractor - sys-base - https://www.sys-base.io/
Free software developer - https://www.paulk.fr/
Expert in multimedia, graphics and embedded hardware support with Linux.
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2026-03-30 22:37 [PATCH] arm64: dts: imx8mp-phyboard-pollux: Add HDMI support Paul Kocialkowski
2026-04-01 12:06 ` Yannic Moog
2026-04-02 16:12 ` Paul Kocialkowski
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