On Mon, Dec 07, 2020 at 10:50:23PM +0800, Kevin Tang wrote:
> From: Kevin Tang <kevin.t...@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 <orsonz...@gmail.com>
> Cc: Chunyan Zhang <zhang.l...@gmail.com>
> Signed-off-by: Kevin Tang <kevin.t...@unisoc.com>
> ---
> .../bindings/display/sprd/sprd,sharkl3-dpu.yaml | 83
> ++++++++++++++++++++++
> 1 file changed, 83 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..a9052e1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dpu.yaml
> @@ -0,0 +1,83 @@
> +# 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.t...@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
> + description:
> + Physical base address and length of the DPU registers set
Drop. Nothing unique about this.
> +
> + interrupts:
> + maxItems: 1
> + description:
> + The interrupt signal from DPU
Drop.
> +
> + clocks:
> + minItems: 2
> +
> + clock-names:
> + items:
> + - const: clk_src_128m
> + - const: clk_src_384m
> +
> + power-domains:
> + maxItems: 1
> + description: A phandle to DPU power domain node.
Drop.
> +
> + iommus:
> + maxItems: 1
> + description: A phandle to DPU iommu node.
Drop.
With those,
Reviewed-by: Rob Herring <r...@kernel.org>
> +
> + 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
>
