[PATCH 7/8] arm64: dts: imx943-evk: Add support for DCIF and LVDS

[Laurentiu Palcu]

Hi Frank,

On Fri, Jul 11, 2025 at 01:07:06AM -0400, Frank Li wrote:
> On Wed, Jul 09, 2025 at 03:23:26PM +0300, Laurentiu Palcu wrote:
> > Add DT nodes for DCIF and LVDS in imx943.dtsi and activate them in
> > imx943-evk.dts.
> >
> > Signed-off-by: Laurentiu Palcu <laurentiu.palcu at oss.nxp.com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx943-evk.dts | 126 +++++++++++++++++++
> 
> Shawn require board dts need sperate patch.

Ok, I'll create a patch for each file.

Thanks,
Laurentiu

> 
> >  arch/arm64/boot/dts/freescale/imx943.dtsi    |  56 ++++++++-
> >  2 files changed, 181 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> > index c8c3eff9df1a2..e7de7ba406407 100644
> > --- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
> > +++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> > @@ -125,6 +125,132 @@ memory at 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>;
> > +			};
> > +		};
> > +	};
> > +};
> > +
> > +&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 {
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> 
> imx94.dts already set it
> 
> Frank
> > +
> > +		port at 1 {
> > +			reg = <1>;
> > +
> > +			lvds_out: endpoint {
> > +				remote-endpoint = <&it6263_in>;
> > +			};
> > +		};
> > +	};
> > +};
> > +
> > +&lpi2c3 {
> > +	clock-frequency = <400000>;
> > +	pinctrl-0 = <&pinctrl_lpi2c3>;
> > +	pinctrl-names = "default";
> > +	status = "okay";
> > +
> > +	pca9548_i2c3: i2c-mux at 77 {
> > +		compatible = "nxp,pca9548";
> > +		reg = <0x77>;
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> > +
> > +		i2c at 0 {
> > +			reg = <0>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +		};
> > +
> > +		i2c at 1 {
> > +			reg = <1>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +		};
> > +
> > +		i2c at 2 {
> > +			reg = <2>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +		};
> > +
> > +		i2c at 3 {
> > +			reg = <3>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +
> > +			lvds-to-hdmi-bridge at 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 at 0 {
> > +						reg = <0>;
> > +
> > +						it6263_in: endpoint {
> > +							remote-endpoint = <&lvds_out>;
> > +						};
> > +					};
> > +
> > +					port at 2 {
> > +						reg = <2>;
> > +
> > +						it6263_out: endpoint {
> > +							remote-endpoint = <&hdmi_connector_in>;
> > +						};
> > +					};
> > +				};
> > +			};
> > +		};
> > +
> > +		i2c at 4 {
> > +			reg = <4>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +		};
> > +
> > +		i2c at 5 {
> > +			reg = <5>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +		};
> > +
> > +		i2c at 6 {
> > +			reg = <6>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +		};
> > +
> > +		i2c at 7 {
> > +			reg = <7>;
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +		};
> > +	};
> >  };
> >
> >  &lpi2c3 {
> > diff --git a/arch/arm64/boot/dts/freescale/imx943.dtsi b/arch/arm64/boot/dts/freescale/imx943.dtsi
> > index 657c81b6016f2..db00a94812e18 100644
> > --- a/arch/arm64/boot/dts/freescale/imx943.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx943.dtsi
> > @@ -148,7 +148,7 @@ l3_cache: l3-cache {
> >  		};
> >  	};
> >
> > -	clock-ldb-pll-div7 {
> > +	clock_ldb_pll_div7: clock-ldb-pll-div7 {
> >  		compatible = "fixed-factor-clock";
> >  		#clock-cells = <0>;
> >  		clocks = <&scmi_clk IMX94_CLK_LDBPLL>;
> > @@ -173,10 +173,64 @@ dispmix_csr: syscon at 4b010000 {
> >
> >  		lvds_csr: syscon at 4b0c0000 {
> >  			compatible = "nxp,imx94-lvds-csr", "syscon";
> > +			#address-cells = <1>;
> > +			#size-cells = <1>;
> >  			reg = <0x0 0x4b0c0000 0x0 0x10000>;
> >  			clocks = <&scmi_clk IMX94_CLK_DISPAPB>;
> >  			#clock-cells = <1>;
> >  			power-domains = <&scmi_devpd IMX94_PD_DISPLAY>;
> > +
> > +			ldb: ldb at 4 {
> > +				compatible = "fsl,imx94-ldb";
> > +				#address-cells = <1>;
> > +				#size-cells = <0>;
> > +				reg = <0x4 0x4>, <0x8 0x4>;
> > +				reg-names = "ldb", "lvds";
> > +				clocks = <&lvds_csr IMX94_CLK_DISPMIX_LVDS_CLK_GATE>;
> > +				clock-names = "ldb";
> > +				status = "disabled";
> > +
> > +				ports {
> > +					#address-cells = <1>;
> > +					#size-cells = <0>;
> > +
> > +					port at 0 {
> > +						reg = <0>;
> > +
> > +						lvds_in: endpoint {
> > +							remote-endpoint = <&dcif_out>;
> > +						};
> > +					};
> > +
> > +					port at 1 {
> > +						reg = <1>;
> > +					};
> > +				};
> > +			};
> > +		};
> > +
> > +		dcif: display-controller at 4b120000 {
> > +			compatible = "nxp,imx94-dcif";
> > +			reg = <0x0 0x4b120000 0x0 0x300000>;
> > +			interrupts = <GIC_SPI 377 IRQ_TYPE_LEVEL_HIGH>,
> > +				     <GIC_SPI 378 IRQ_TYPE_LEVEL_HIGH>,
> > +				     <GIC_SPI 379 IRQ_TYPE_LEVEL_HIGH>;
> > +			interrupt-names = "common", "bg_layer", "fg_layer";
> > +			clocks = <&scmi_clk IMX94_CLK_DISPAPB>,
> > +				 <&scmi_clk IMX94_CLK_DISPAXI>,
> > +				 <&dispmix_csr IMX94_CLK_DISPMIX_CLK_SEL>;
> > +			clock-names = "apb", "axi", "pix";
> > +			assigned-clocks = <&dispmix_csr IMX94_CLK_DISPMIX_CLK_SEL>;
> > +			assigned-clock-parents = <&clock_ldb_pll_div7>;
> > +			power-domains = <&scmi_devpd IMX94_PD_DISPLAY>;
> > +			nxp,blk-ctrl = <&dispmix_csr>;
> > +			status = "disabled";
> > +
> > +			port {
> > +				dcif_out: endpoint {
> > +					remote-endpoint = <&lvds_in>;
> > +				};
> > +			};
> >  		};
> >  	};
> >  };
> > --
> > 2.46.1
> >