Re: [PATCH v8 8/9] arm64: dts: imx943-evk: Add display support using IT6263

Liu Ying
2026-03-06T08:44:26Z

On Wed, Mar 04, 2026 at 11:34:17AM +0000, Laurentiu Palcu wrote:
> The ITE IT6263 based NXP LVDS to HDMI converter can be attached to the
> i.MX943 EVK board LVDS port using the mini-SAS connector. Since this is

Since the LVDS to HDMI converter can be attached or detached to the EVK
board, it would be appropriate to use a DT overlay instead?

> the default configuration for the EVK, add support for it here.
>
> Signed-off-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx943-evk.dts | 86 ++++++++++++++++++++++++++++
> 1 file changed, 86 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> index c8ceabe3d9239..0b69450566159 100644
> --- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> @@ -55,6 +55,36 @@ dmic: dmic {
> #sound-dai-cells = <0>;
> };
>
> + hdmi-connector {
> + compatible = "hdmi-connector";
> + label = "hdmi";
> + type = "a";
> +
> + port {
> + hdmi_connector_in: endpoint {
> + remote-endpoint = <&it6263_out>;
> + };
> + };
> + };
> +
> + reg_1v8_ext: regulator-1v8-ext {
> + compatible = "regulator-fixed";
> + regulator-name = "1V8_EXT";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + reg_3v3_ext: regulator-3v3-ext {
> + compatible = "regulator-fixed";
> + regulator-name = "3V3_EXT";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> reg_m2_pwr: regulator-m2-pwr {
> compatible = "regulator-fixed";
> regulator-name = "M.2-power";
> @@ -179,6 +209,10 @@ memory@80000000 {
> };
> };
>
> +&dcif {
> + status = "okay";
> +};
> +
> &enetc1 {
> clocks = <&scmi_clk IMX94_CLK_MAC4>;
> clock-names = "ref";
> @@ -217,6 +251,21 @@ &flexcan4 {
> status = "okay";
> };
>
> +&ldb {
> + assigned-clocks = <&scmi_clk IMX94_CLK_LDBPLL_VCO>,
> + <&scmi_clk IMX94_CLK_LDBPLL>;
> + assigned-clock-rates = <4158000000>, <1039500000>;
> + status = "okay";
> +
> + ports {
> + port@1 {
> + lvds_out: endpoint {
> + remote-endpoint = <&it6263_in>;
> + };
> + };
> + };
> +};
> +
> &lpi2c3 {
> clock-frequency = <400000>;
> pinctrl-0 = <&pinctrl_lpi2c3>;
> @@ -258,6 +307,43 @@ i2c@3 {
> reg = <3>;
> #address-cells = <1>;
> #size-cells = <0>;
> +
> + lvds-to-hdmi-bridge@4c {

Maybe, change the node name to be "hdmi" to align with the nodes in
imx8mp-evk-lvds{0,1}-imx-lvds-hdmi-common.dtsi.

> + compatible = "ite,it6263";
> + reg = <0x4c>;
> + data-mapping = "jeida-24";
> + reset-gpios = <&pcal6416_i2c3_u171 8 GPIO_ACTIVE_HIGH>;
> + ivdd-supply = <&reg_1v8_ext>;
> + ovdd-supply = <&reg_3v3_ext>;
> + txavcc18-supply = <&reg_1v8_ext>;
> + txavcc33-supply = <&reg_3v3_ext>;
> + pvcc1-supply = <&reg_1v8_ext>;
> + pvcc2-supply = <&reg_1v8_ext>;
> + avcc-supply = <&reg_3v3_ext>;
> + anvdd-supply = <&reg_1v8_ext>;
> + apvdd-supply = <&reg_1v8_ext>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + it6263_in: endpoint {
> + remote-endpoint = <&lvds_out>;
> + };
> + };
> +
> + port@2 {
> + reg = <2>;
> +
> + it6263_out: endpoint {
> + remote-endpoint = <&hdmi_connector_in>;
> + };
> + };
> + };
> + };
> };
>
> i2c@4 {
>

--
Regards,
Liu Ying