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    Subject[PATCH v3 3/6] dt-bindings: display: add Unisoc's dpu bindings
    Date
    From: Kevin Tang <kevin.tang@unisoc.com>

    DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
    which transfers the image data from a video memory buffer to an internal
    LCD interface.

    Cc: Orson Zhai <orsonzhai@gmail.com>
    Cc: Chunyan Zhang <zhang.lyra@gmail.com>
    Signed-off-by: Kevin Tang <kevin.tang@unisoc.com>
    Reviewed-by: Rob Herring <robh@kernel.org>
    ---
    .../bindings/display/sprd/sprd,sharkl3-dpu.yaml | 77 ++++++++++++++++++++++
    1 file changed, 77 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dpu.yaml

    diff --git a/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dpu.yaml b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dpu.yaml
    new file mode 100644
    index 0000000..4ebea60
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dpu.yaml
    @@ -0,0 +1,77 @@
    +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +%YAML 1.2
    +---
    +$id: http://devicetree.org/schemas/display/sprd/sprd,sharkl3-dpu.yaml#
    +$schema: http://devicetree.org/meta-schemas/core.yaml#
    +
    +title: Unisoc Sharkl3 Display Processor Unit (DPU)
    +
    +maintainers:
    + - Kevin Tang <kevin.tang@unisoc.com>
    +
    +description: |
    + DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
    + which transfers the image data from a video memory buffer to an internal
    + LCD interface.
    +
    +properties:
    + compatible:
    + const: sprd,sharkl3-dpu
    +
    + reg:
    + maxItems: 1
    +
    + interrupts:
    + maxItems: 1
    +
    + clocks:
    + minItems: 2
    +
    + clock-names:
    + items:
    + - const: clk_src_128m
    + - const: clk_src_384m
    +
    + power-domains:
    + maxItems: 1
    +
    + iommus:
    + maxItems: 1
    +
    + port:
    + type: object
    + description:
    + A port node with endpoint definitions as defined in
    + Documentation/devicetree/bindings/media/video-interfaces.txt.
    + That port should be the output endpoint, usually output to
    + the associated DSI.
    +
    +required:
    + - compatible
    + - reg
    + - interrupts
    + - clocks
    + - clock-names
    + - port
    +
    +additionalProperties: false
    +
    +examples:
    + - |
    + #include <dt-bindings/interrupt-controller/arm-gic.h>
    + #include <dt-bindings/clock/sprd,sc9860-clk.h>
    + dpu: dpu@63000000 {
    + compatible = "sprd,sharkl3-dpu";
    + reg = <0x63000000 0x1000>;
    + interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
    + clock-names = "clk_src_128m", "clk_src_384m";
    +
    + clocks = <&pll CLK_TWPLL_128M>,
    + <&pll CLK_TWPLL_384M>;
    +
    + dpu_port: port {
    + dpu_out: endpoint {
    + remote-endpoint = <&dsi_in>;
    + };
    + };
    + };
    --
    2.7.4
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