dt-bindings: display: ti,k2g-dss: Add dt-schema yaml binding

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

# Copyright 2019 Texas Instruments Incorporated

%YAML 1.2

---

$id: "http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#"

$schema: "http://devicetree.org/meta-schemas/core.yaml#"

title: Texas Instruments K2G Display Subsystem

maintainers:

  - Jyri Sarha <jsarha@ti.com>

  - Tomi Valkeinen <tomi.valkeinen@ti.com>

description: |

  The K2G DSS is an ultra-light version of TI Keystone Display

  SubSystem. It has only one output port and video plane. The

  output is DPI.

properties:

  compatible:

    const: ti,k2g-dss

  reg:

    items:

      - description: cfg DSS top level

      - description: common DISPC common

      - description: VID1 video plane 1

      - description: OVR1 overlay manager for vp1

      - description: VP1 video port 1

  reg-names:

    items:

      - const: cfg

      - const: common

      - const: vid1

      - const: ovr1

      - const: vp1

  clocks:

    items:

      - description: fck DSS functional clock

      - description: vp1 Video Port 1 pixel clock

  clock-names:

    items:

      - const: fck

      - const: vp1

  interrupts:

    maxItems: 1

  power-domains:

    maxItems: 1

    description: phandle to the associated power domain

  port:

    type: object

    description:

      Port as described in Documentation/devictree/bindings/graph.txt.

      The DSS DPI output port node

  max-memory-bandwidth:

    $ref: /schemas/types.yaml#/definitions/uint32

    description:

      Input memory (from main memory to dispc) bandwidth limit in

      bytes per second

required:

  - compatible

  - reg

  - reg-names

  - clocks

  - clock-names

  - interrupts

  - port

additionalProperties: false

examples:

  - |

    #include <dt-bindings/interrupt-controller/arm-gic.h>

    #include <dt-bindings/interrupt-controller/irq.h>

    dss: dss@02540000 {

            compatible = "ti,k2g-dss";

            reg =   <0x02540000 0x400>,

                    <0x02550000 0x1000>,

                    <0x02557000 0x1000>,

                    <0x0255a800 0x100>,

                    <0x0255ac00 0x100>;

            reg-names = "cfg", "common", "vid1", "ovr1", "vp1";

            clocks =        <&k2g_clks 0x2 0>,

                            <&k2g_clks 0x2 1>;

            clock-names = "fck", "vp1";

            interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>;

            power-domains = <&k2g_pds 0x2>;

            max-memory-bandwidth = <230000000>;

            port {

                    dpi_out: endpoint {

                            remote-endpoint = <&sii9022_in>;

                    };

            };

    };