Quoting Krishna Manikandan (2021-08-18 03:27:01)
> diff --git a/Documentation/devicetree/bindings/display/msm/dpu-sc7280.yaml
> b/Documentation/devicetree/bindings/display/msm/dpu-sc7280.yaml
> new file mode 100644
> index 000..3d256c0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/dpu-sc7280.yaml
> @@ -0,0 +1,228 @@
> +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/msm/dpu-sc7280.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Display DPU dt properties for SC7280 target
Drop "target"?
> +
> +maintainers:
> + - Krishna Manikandan
> +
> +description: |
> + Device tree bindings for MSM Mobile Display Subsystem(MDSS) that
> encapsulates
Space after Subsystem please.
> + sub-blocks like DPU display controller, DSI and DP interfaces etc. Device
> tree
> + bindings of MDSS and DPU are mentioned for SC7280 target.
Drop "target"?
> +
> +properties:
> + compatible:
> +items:
Will there be anymore? If not, drop items and only have const.
> + - const: qcom,sc7280-mdss
> +
> + reg:
> +maxItems: 1
> +
> + reg-names:
> +const: mdss
> +
> + power-domains:
> +maxItems: 1
> +
> + clocks:
> +items:
> + - description: Display AHB clock from gcc
> + - description: Display AHB clock from dispcc
> + - description: Display core clock
> +
> + clock-names:
> +items:
> + - const: iface
> + - const: ahb
> + - const: core
> +
> + interrupts:
> +maxItems: 1
> +
> + interrupt-controller: true
> +
> + "#address-cells": true
> +
> + "#size-cells": true
> +
> + "#interrupt-cells":
> +const: 1
> +
> + iommus:
> +items:
> + - description: Phandle to apps_smmu node with SID mask for Hard-Fail
> port0
> +
> + ranges: true
> +
> + interconnects:
> +items:
> + - description: Interconnect path specifying the port ids for data bus
> +
> + interconnect-names:
> +const: mdp0-mem
> +
> +patternProperties:
> + "^display-controller@[0-9a-f]+$":
> +type: object
> +description: Node containing the properties of DPU.
> +
> +properties:
> + compatible:
> +items:
> + - const: qcom,sc7280-dpu
Will there be anymore? If not, drop items and only have const.
> +
> + reg:
> +items:
> + - description: Address offset and size for mdp register set
> + - description: Address offset and size for vbif register set
> +
> + reg-names:
> +items:
> + - const: mdp
> + - const: vbif
> +
> + clocks:
> +items:
> + - description: Display hf axi clock
> + - description: Display sf axi clock
> + - description: Display ahb clock
> + - description: Display lut clock
> + - description: Display core clock
> + - description: Display vsync clock
> +
> + clock-names:
> +items:
> + - const: bus
> + - const: nrt_bus
> + - const: iface
> + - const: lut
> + - const: core
> + - const: vsync
> +
> + interrupts:
> +maxItems: 1
> +
> + power-domains:
> +maxItems: 1
> +
> + operating-points-v2: true
> +
> + ports:
> +$ref: /schemas/graph.yaml#/properties/ports
> +description: |
> + Contains the list of output ports from DPU device. These ports
> + connect to interfaces that are external to the DPU hardware,
> + such as DSI, DP etc. Each output port contains an endpoint that
> + describes how it is connected to an external interface.
> +
> +properties:
> + port@0:
> +$ref: /schemas/graph.yaml#/properties/port
> +description: DPU_INTF1 (DSI)
> +
> + port@1:
> +$ref: /schemas/graph.yaml#/properties/port
> +description: DPU_INTF5 (EDP)
> +
> +required:
> + - port@0
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - clocks
> + - interrupts
> + - power-domains
> + - operating-points-v2
> + - ports
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - power-domains
> + - clocks
> + - interrupts
> + - interrupt-controller
> + - iommus
> + - ranges
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> +#include
> +#include
> +#include
> +#include
> +#include
> +
> +display-subsystem@ae0 {
Maybe just 'subsystem' as that is generic enough.
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "qcom,sc7280-mdss";
> + reg = <0xae0 0x1000>;
> + reg-names = "mdss";
> + power-domains = <&dispcc DISP_CC_MDSS_CORE_GDSC>;
> + clocks = <&gcc GCC_DISP_AHB_CLK>,
> + <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_CL