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 <[email protected]> > --- > 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 = <®_1v8_ext>; > + ovdd-supply = <®_3v3_ext>; > + txavcc18-supply = <®_1v8_ext>; > + txavcc33-supply = <®_3v3_ext>; > + pvcc1-supply = <®_1v8_ext>; > + pvcc2-supply = <®_1v8_ext>; > + avcc-supply = <®_3v3_ext>; > + anvdd-supply = <®_1v8_ext>; > + apvdd-supply = <®_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
