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Diffstat (limited to 'Documentation/devicetree/bindings/display/msm/dpu-sdm845.yaml')
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diff --git a/Documentation/devicetree/bindings/display/msm/dpu-sdm845.yaml b/Documentation/devicetree/bindings/display/msm/dpu-sdm845.yaml new file mode 100644 index 000000000..7d1037373 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/dpu-sdm845.yaml @@ -0,0 +1,217 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/dpu-sdm845.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Display DPU dt properties for SDM845 target + +maintainers: + - Krishna Manikandan <quic_mkrishn@quicinc.com> + +description: | + Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates + sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree + bindings of MDSS and DPU are mentioned for SDM845 target. + +properties: + compatible: + items: + - const: qcom,sdm845-mdss + + reg: + maxItems: 1 + + reg-names: + const: mdss + + power-domains: + maxItems: 1 + + clocks: + items: + - description: Display AHB clock from gcc + - 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 apps_smmu node with SID mask for Hard-Fail port0 + - description: Phandle to apps_smmu node with SID mask for Hard-Fail port1 + + ranges: true + + resets: + items: + - description: MDSS_CORE reset + +patternProperties: + "^display-controller@[0-9a-f]+$": + type: object + description: Node containing the properties of DPU. + additionalProperties: false + + properties: + compatible: + items: + - const: qcom,sdm845-dpu + + 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 ahb clock + - description: Display axi clock + - description: Display core clock + - description: Display vsync clock + + clock-names: + items: + - const: iface + - const: bus + - const: core + - const: vsync + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + + operating-points-v2: true + opp-table: + type: object + + 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 (DSI1) + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: DPU_INTF2 (DSI2) + + 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,dispcc-sdm845.h> + #include <dt-bindings/clock/qcom,gcc-sdm845.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + display-subsystem@ae00000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "qcom,sdm845-mdss"; + reg = <0x0ae00000 0x1000>; + reg-names = "mdss"; + power-domains = <&dispcc MDSS_GDSC>; + + clocks = <&gcc GCC_DISP_AHB_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>; + clock-names = "iface", "core"; + + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <1>; + + iommus = <&apps_smmu 0x880 0x8>, + <&apps_smmu 0xc80 0x8>; + ranges; + + display-controller@ae01000 { + compatible = "qcom,sdm845-dpu"; + reg = <0x0ae01000 0x8f000>, + <0x0aeb0000 0x2008>; + reg-names = "mdp", "vbif"; + + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&dispcc DISP_CC_MDSS_AXI_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>, + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; + clock-names = "iface", "bus", "core", "vsync"; + + interrupt-parent = <&mdss>; + interrupts = <0>; + power-domains = <&rpmhpd SDM845_CX>; + operating-points-v2 = <&mdp_opp_table>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dpu_intf1_out: endpoint { + remote-endpoint = <&dsi0_in>; + }; + }; + + port@1 { + reg = <1>; + dpu_intf2_out: endpoint { + remote-endpoint = <&dsi1_in>; + }; + }; + }; + }; + }; +... |