On Wed, Jul 16, 2025 at 11:15:13AM +0300, 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.
Generally, attached devices should be overlay file. You'd better mention
it is default configuration for shipped EVK board in commit message.
>
> Signed-off-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx943-evk.dts | 123 +++++++++++++++++++
> 1 file changed, 123 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> index c8c3eff9df1a2..636913782f983 100644
> --- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> @@ -125,6 +125,129 @@ memory@80000000 {
> reg = <0x0 0x80000000 0x0 0x80000000>;
> device_type = "memory";
> };
> +
> + hdmi-connector {
> + compatible = "hdmi-connector";
> + label = "hdmi";
> + type = "a";
> +
> + port {
> + hdmi_connector_in: endpoint {
> + remote-endpoint = <&it6263_out>;
> + };
> + };
> + };
Please run https://github.com/lznuaa/dt-format to keep all node correct
orderred i.mx943's dts file already keep order when upstream.
I remember hdmi-connector should before memory@80000000.
> +};
> +
> +&dcif {
> + 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 {
> + reg = <1>;
reg = <1> already set in dtsi file. So needn't set again.
Frank
> +
> + lvds_out: endpoint {
> + remote-endpoint = <&it6263_in>;
> + };
> + };
> + };
> +};
> +
> +&lpi2c3 {
> + clock-frequency = <400000>;
> + pinctrl-0 = <&pinctrl_lpi2c3>;
> + pinctrl-names = "default";
> + status = "okay";
> +
> + pca9548_i2c3: i2c-mux@77 {
> + compatible = "nxp,pca9548";
> + reg = <0x77>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + i2c@0 {
> + reg = <0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + i2c@1 {
> + reg = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + i2c@2 {
> + reg = <2>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + i2c@3 {
> + reg = <3>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + lvds-to-hdmi-bridge@4c {
> + compatible = "ite,it6263";
> + reg = <0x4c>;
> + data-mapping = "jeida-24";
> + reset-gpios = <&pcal6416_i2c3_u171 8 GPIO_ACTIVE_HIGH>;
> +
> + 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 {
> + reg = <4>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + i2c@5 {
> + reg = <5>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + i2c@6 {
> + reg = <6>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + i2c@7 {
> + reg = <7>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + };
> };
>
> &lpi2c3 {
> --
> 2.34.1
>