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Allow the LVDS Display Bridge(LDB) child node and add the child node to example. i.MX93 LDB child node(bridge@20) is an addressable node, while i.MX93 Parallel Display Format Configuration(PDFC) child node(dpi-bridge) is a non-addressable node. Mixing the addressable and non-addressable child nodes is allowed according to discussion [1]. Link: https://lore.kernel.org/all/n6akxiayi3g6gxcqhreb4iaohmeokoalnqup6h5r2= fwdt4zijt@u2wyps55ayqm/ [1] Signed-off-by: Liu Ying --- .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 39 ++++++++++++++++++= ++++ 1 file changed, 39 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-= ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-c= trl.yaml index d828c2e82965..124f5c206ee3 100644 --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.ya= ml +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.ya= ml @@ -26,6 +26,12 @@ properties: reg: maxItems: 1 =20 + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + '#power-domain-cells': const: 1 =20 @@ -92,6 +98,11 @@ properties: - compatible - ports =20 + bridge@20: + type: object + $ref: /schemas/display/bridge/fsl,ldb.yaml# + unevaluatedProperties: false + allOf: - if: properties: @@ -112,6 +123,7 @@ allOf: - const: lcdif - const: isi - const: csi + bridge@20: false - if: properties: compatible: @@ -163,6 +175,8 @@ examples: <&clk IMX93_CLK_MIPI_DSI_GATE>; clock-names =3D "apb", "axi", "nic", "disp", "cam", "pxp", "lcdif", "isi", "csi", "dsi"; + #address-cells =3D <1>; + #size-cells =3D <1>; #power-domain-cells =3D <1>; =20 dpi-bridge { @@ -190,4 +204,29 @@ examples: }; }; }; + + bridge@20 { + compatible =3D "fsl,imx93-ldb"; + reg =3D <0x20 0x4>, <0x24 0x4>; + reg-names =3D "ldb", "lvds"; + clocks =3D <&clk IMX93_CLK_LVDS_GATE>; + clock-names =3D "ldb"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + endpoint { + remote-endpoint =3D <&lcdif_to_ldb>; + }; + }; + + port@1 { + reg =3D <1>; + }; + }; + }; }; --=20 2.43.0 From nobody Fri Jun 12 18:34:56 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010070.outbound.protection.outlook.com [52.101.84.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 36D5E3B9D9E; Wed, 10 Jun 2026 09:25:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Signed-off-by: Liu Ying --- arch/arm64/boot/dts/freescale/imx93.dtsi | 37 ++++++++++++++++++++++++++++= ++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts= /freescale/imx93.dtsi index b9abe143cb56..79fb4a15b733 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -178,6 +178,7 @@ &lcdif { port { lcdif_to_ldb: endpoint@1 { reg =3D <1>; + remote-endpoint =3D <&ldb_from_lcdif>; }; =20 lcdif_to_dsi: endpoint@2 { @@ -186,6 +187,42 @@ lcdif_to_dsi: endpoint@2 { }; }; =20 +&media_blk_ctrl { + #address-cells =3D <1>; + #size-cells =3D <1>; + + lvds_bridge: bridge@20 { + compatible =3D "fsl,imx93-ldb"; + reg =3D <0x20 0x4>, <0x24 0x4>; + reg-names =3D "ldb", "lvds"; + clocks =3D <&clk IMX93_CLK_LVDS_GATE>; + clock-names =3D "ldb"; + assigned-clocks =3D <&clk IMX93_CLK_MEDIA_LDB>; + assigned-clock-parents =3D <&clk IMX93_CLK_VIDEO_PLL>; + status =3D "disabled"; + + ports { + #address-cells =3D <1>; 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The panel's 40-pin connector allows it to be directly connected to i.MX93 11x11 EVK board. Link: https://www.nxp.com/design/design-center/development-boards-and-desig= ns/dy1212w-4856-tft-lcd-panel-with-lvds-interface:DY1212W-4856 [1] Signed-off-by: Liu Ying --- arch/arm64/boot/dts/freescale/Makefile | 4 ++ .../freescale/imx93-11x11-evk-dy1212w-4856.dtso | 81 ++++++++++++++++++= ++++ 2 files changed, 85 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index 8ddaab127ab9..dbe27d757c86 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -588,6 +588,10 @@ dtb-$(CONFIG_ARCH_MXC) +=3D imx93-9x9-qsb-ontat-kd50g2= 1-40nt-a1.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx93-9x9-qsb-tianma-tm050rdh03.dtb =20 dtb-$(CONFIG_ARCH_MXC) +=3D imx93-11x11-evk.dtb + +imx93-11x11-evk-dy1212w-4856-dtbs +=3D imx93-11x11-evk.dtb imx93-11x11-evk= -dy1212w-4856.dtbo +dtb-$(CONFIG_ARCH_MXC) +=3D imx93-11x11-evk-dy1212w-4856.dtb + dtb-$(CONFIG_ARCH_MXC) +=3D imx93-11x11-frdm.dtb =20 imx93-11x11-frdm-pixpaper-dtbs +=3D imx93-11x11-frdm.dtb imx93-11x11-frdm-= pixpaper.dtbo diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk-dy1212w-4856.dts= o b/arch/arm64/boot/dts/freescale/imx93-11x11-evk-dy1212w-4856.dtso new file mode 100644 index 000000000000..35f7c5699e3a --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk-dy1212w-4856.dtso @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2026 NXP + */ + +/dts-v1/; +/plugin/; + +#include + +&{/} { + panel-lvds { + compatible =3D "boe,ev121wxm-n10-1850"; + backlight =3D <&backlight_lvds>; + power-supply =3D <&buck4>; + + panel-timing { + /* + * Set clock frequency to 71142858Hz to accommodate + * IMX93_CLK_VIDEO_PLL rate at 498000000Hz in a rate + * table. + */ + clock-frequency =3D <71142858>; + hactive =3D <1280>; + vactive =3D <800>; + hfront-porch =3D <48>; + hback-porch =3D <80>; + hsync-len =3D <32>; + vfront-porch =3D <3>; + vback-porch =3D <14>; + vsync-len =3D <6>; + }; + + port { + panel_lvds_in: endpoint { + remote-endpoint =3D <&ldb_lvds_ch0>; + }; + }; + }; +}; + +&backlight_lvds { + status =3D "okay"; +}; + +&lcdif { + status =3D "okay"; +}; + +&lvds_bridge { + status =3D "okay"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@1 { + reg =3D <1>; + + ldb_lvds_ch0: endpoint { + remote-endpoint =3D <&panel_lvds_in>; + }; + }; + }; +}; + +&media_blk_ctrl { + assigned-clocks =3D <&clk IMX93_CLK_MEDIA_AXI>, + <&clk IMX93_CLK_MEDIA_APB>, + <&clk IMX93_CLK_MEDIA_DISP_PIX>, + <&clk IMX93_CLK_VIDEO_PLL>; + assigned-clock-parents =3D <&clk IMX93_CLK_SYS_PLL_PFD1>, + <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>, + <&clk IMX93_CLK_VIDEO_PLL>; + /* + * Set IMX93_CLK_MEDIA_DISP_PIX rate to 71142858Hz to accommodate + * IMX93_CLK_VIDEO_PLL rate at 498000000Hz in a rate table. + */ + assigned-clock-rates =3D <400000000>, <133333333>, <71142858>, <498000000= >; + status =3D "okay"; +}; --=20 2.43.0