Add yaml binding for MSM8996 DPU.
Signed-off-by: Konrad Dybcio konrad.dybcio@somainline.org --- .../bindings/display/msm/dpu-msm8996.yaml | 221 ++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/msm/dpu-msm8996.yaml
diff --git a/Documentation/devicetree/bindings/display/msm/dpu-msm8996.yaml b/Documentation/devicetree/bindings/display/msm/dpu-msm8996.yaml new file mode 100644 index 000000000000..10b02423224d --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/dpu-msm8996.yaml @@ -0,0 +1,221 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/dpu-msm8996.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Display DPU dt properties for MSM8996 target + +maintainers: + - Konrad Dybcio konrad.dybcio@somainline.org + +description: | + Device tree bindings for MSM Mobile Display Subsystem (MDSS) that + encapsulates sub-blocks like DPU display controller, DSI interfaces, etc. + Device tree bindings of MDSS and DPU are mentioned for MSM8996 target. + +properties: + compatible: + items: + - const: qcom,msm8996-mdss + + reg: + maxItems: 1 + + reg-names: + const: mdss + + power-domains: + maxItems: 1 + + clocks: + items: + - description: Display AHB clock + - description: Display core clock + + clock-names: + items: + - const: iface + - const: core + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#address-cells": true + + "#size-cells": true + + "#interrupt-cells": + const: 1 + + iommus: + items: + - description: Phandle to mdp_smmu node with SID mask for Hard-Fail port0 + + ranges: true + +patternProperties: + "^display-controller@[0-9a-f]+$": + type: object + description: Node containing the properties of DPU. + + properties: + compatible: + items: + - const: qcom,msm8996-dpu + + reg: + items: + - description: Address offset and size for mdp register set + - description: Address offset and size for vbif register set + - description: Address offset and size for non-realtime vbif register set + + reg-names: + items: + - const: mdp + - const: vbif + - const: vbif_nrt + + clocks: + items: + - description: Display ahb clock + - description: Display axi clock + - description: Display core clock + - description: Display iommu clock + - description: Display vsync clock + + clock-names: + items: + - const: iface + - const: bus + - const: core + - const: iommu + - 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_INTF3 (HDMI) + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: DPU_INTF1 (DSI0) + + required: + - port@0 + - port@1 + + 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 <dt-bindings/clock/qcom,mmcc-msm8996.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + mdss: display-subsystem@900000 { + compatible = "qcom,msm8996-mdss"; + reg = <0x00900000 0x1000>; + reg-names = "mdss"; + + power-domains = <&mmcc MDSS_GDSC>; + + clocks = <&mmcc MDSS_AHB_CLK>, <&mmcc MDSS_MDP_CLK>; + clock-names = "iface", "core"; + + assigned-clocks = <&mmcc MDSS_MDP_CLK>; + assigned-clock-rates = <300000000>; + + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <1>; + + iommus = <&mdp_smmu 0>; + + #address-cells = <1>; + #size-cells = <1>; + ranges; + + display-controller@901000 { + compatible = "qcom,msm8996-dpu"; + reg = <0x00901000 0x90000>, + <0x009b0000 0x1040>, + <0x009b8000 0x1040>; + reg-names = "mdp", "vbif", "vbif_nrt"; + + clocks = <&mmcc MDSS_AHB_CLK>, + <&mmcc MDSS_AXI_CLK>, + <&mmcc MDSS_MDP_CLK>, + <&mmcc SMMU_MDP_AXI_CLK>, + <&mmcc MDSS_VSYNC_CLK>; + clock-names = "iface", "bus", "core", "iommu", "vsync"; + + assigned-clocks = <&mmcc MDSS_MDP_CLK>, + <&mmcc MDSS_VSYNC_CLK>; + assigned-clock-rates = <412500000>, <19200000>; + + operating-points-v2 = <&mdp_opp_table>; + power-domains = <&rpmpd MSM8996_VDDMX>; + + interrupt-parent = <&mdss>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dpu_intf3_out: endpoint { + remote-endpoint = <&hdmi_in>; + }; + }; + + port@1 { + reg = <1>; + dpu_intf1_out: endpoint { + remote-endpoint = <&dsi0_in>; + }; + }; + }; + }; + }; +...