[PATCH 32/39] dt-bindings: display: bridge: Document i.MX95 LVDS display bridge binding

[Frank Li]

On Sat, Oct 11, 2025 at 06:51:47PM +0200, Marek Vasut wrote:
> Document i.MX95 LVDS display bridge (LDB) bindings.
>
> Signed-off-by: Marek Vasut <marek.vasut at mailbox.org>
> ---
> Cc: Abel Vesa <abelvesa at kernel.org>
> Cc: Conor Dooley <conor+dt at kernel.org>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
> Cc: Laurent Pinchart <Laurent.pinchart at ideasonboard.com>
> Cc: Liu Ying <victor.liu at nxp.com>
> Cc: Lucas Stach <l.stach at pengutronix.de>
> Cc: Peng Fan <peng.fan at nxp.com>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
> Cc: Rob Herring <robh at kernel.org>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: Thomas Zimmermann <tzimmermann at suse.de>
> Cc: devicetree at vger.kernel.org
> Cc: dri-devel at lists.freedesktop.org
> Cc: imx at lists.linux.dev
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-clk at vger.kernel.org
> ---
>  .../display/bridge/fsl,imx95-lvds.yaml        | 140 ++++++++++++++++++
>  1 file changed, 140 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx95-lvds.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,imx95-lvds.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,imx95-lvds.yaml
> new file mode 100644
> index 0000000000000..8ada9c82a10d0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx95-lvds.yaml
> @@ -0,0 +1,140 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/fsl,imx95-lvds.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale i.MX95 LVDS Display Bridge
> +
> +maintainers:
> +  - Marek Vasut <marek.vasut at mailbox.org>
> +
> +description: |

use ">" instead | here.

> +  The Freescale i.MX95 LVDS Display Bridge(LDB) has two channels.
> +
> +  The i.MX8qm/qxp LDB is controlled by Control and Status Registers(CSR) module.
> +  The CSR module, as a system controller, contains the LDB's configuration
> +  registers.
> +
> +properties:
> +  compatible:
> +    const: fsl,imx95-lvds
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 4
> +
> +  clock-names:
> +    items:
> +      - const: ldb_di0
> +      - const: ldb_di1
> +      - const: ldb_ch0
> +      - const: ldb_ch1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +patternProperties:
> +  "^channel@[0-1]$":
> +    type: object
> +    description: Represents a channel of LDB.
> +
> +    properties:
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +      reg:
> +        description: The channel index.
> +        enum: [ 0, 1 ]
> +
> +      phys:
> +        description: A phandle to the phy module representing the LVDS PHY.
> +        maxItems: 1
> +
> +      phy-names:
> +        const: lvds_phy
> +
> +      port at 0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Input port of the channel.
> +
> +      port at 1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Output port of the channel.

most likely port@<n> should be under ports.

> +
> +    required:
> +      - "#address-cells"
> +      - "#size-cells"
> +      - reg
> +      - phys
> +      - phy-names
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - "#address-cells"
> +  - "#size-cells"
> +  - clocks
> +  - clock-names
> +  - power-domains
> +  - channel at 0
> +  - channel at 1
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/firmware/imx/rsrc.h>

Add empty line here

> +    ldb {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        compatible = "fsl,imx95-ldb";
> +        clocks = <&clk IMX_SC_R_LVDS_0 IMX_SC_PM_CLK_MISC2>,
> +                 <&clk IMX_SC_R_LVDS_0 IMX_SC_PM_CLK_BYPASS>;
> +        clock-names = "pixel", "bypass";
> +        power-domains = <&pd IMX_SC_R_LVDS_0>;
> +
> +        channel at 0 {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +            reg = <0>;
> +            phys = <&mipi_lvds_0_phy>;
> +            phy-names = "lvds_phy";
> +
> +            port at 0 {
> +                reg = <0>;
> +
> +                mipi_lvds_0_ldb_ch0_mipi_lvds_0_pxl2dpi: endpoint {

needn't label here.

Frank
> +                    remote-endpoint = <&mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch0>;
> +                };
> +            };
> +        };
> +
> +        channel at 1 {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +            reg = <1>;
> +            phys = <&mipi_lvds_0_phy>;
> +            phy-names = "lvds_phy";
> +
> +            port at 0 {
> +                reg = <0>;
> +
> +                mipi_lvds_0_ldb_ch1_mipi_lvds_0_pxl2dpi: endpoint {
> +                    remote-endpoint = <&mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch1>;
> +                };
> +            };
> +        };
> +    };
> --
> 2.51.0
>