QCM2290 MSM Mobile Display Subsystem (MDSS) encapsulates sub-blocks like DPU display controller, DSI etc. Add YAML schema for DPU device tree bindings Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx> --- v2: no change v3: no change (resent with reviewed-by + freedreno list) .../bindings/display/msm/dpu-qcm2290.yaml | 214 +++++++++++++++++++++ 1 file changed, 214 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml diff --git a/Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml b/Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml new file mode 100644 index 00000000..8766b13 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml @@ -0,0 +1,214 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/dpu-qcm2290.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Display DPU dt properties for QCM2290 target + +maintainers: + - Loic Poulain <loic.poulain@xxxxxxxxxx> + +description: | + Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates + sub-blocks like DPU display controller and DSI. Device tree bindings of MDSS + and DPU are mentioned for QCM2290 target. + +properties: + compatible: + items: + - const: qcom,qcm2290-mdss + + reg: + maxItems: 1 + + reg-names: + const: mdss + + power-domains: + maxItems: 1 + + clocks: + items: + - description: Display AHB clock from gcc + - description: Display AXI clock + - description: Display core clock + + clock-names: + items: + - const: iface + - const: bus + - 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 + + 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,qcm2290-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 AXI clock from gcc + - description: Display AHB clock from dispcc + - description: Display core clock from dispcc + - description: Display lut clock from dispcc + - description: Display vsync clock from dispcc + + clock-names: + items: + - const: bus + - const: iface + - const: core + - const: lut + - 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. 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) + + 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 <dt-bindings/clock/qcom,dispcc-qcm2290.h> + #include <dt-bindings/clock/qcom,gcc-qcm2290.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interconnect/qcom,qcm2290.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + mdss: mdss@5e00000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "qcom,qcm2290-mdss", "qcom,mdss"; + reg = <0x05e00000 0x1000>; + reg-names = "mdss"; + power-domains = <&dispcc MDSS_GDSC>; + clocks = <&gcc GCC_DISP_AHB_CLK>, + <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>; + clock-names = "iface", "bus", "core"; + + interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <1>; + + interconnects = <&mmrt_virt MASTER_MDP0 &bimc SLAVE_EBI1>; + interconnect-names = "mdp0-mem"; + + iommus = <&apps_smmu 0x420 0x2>, + <&apps_smmu 0x421 0x0>; + ranges; + + mdss_mdp: mdp@5e01000 { + compatible = "qcom,qcm2290-dpu"; + reg = <0x05e01000 0x8f000>, + <0x05eb0000 0x2008>; + reg-names = "mdp", "vbif"; + + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>, + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; + clock-names = "bus", "iface", "core", "lut", "vsync"; + + operating-points-v2 = <&mdp_opp_table>; + power-domains = <&rpmpd QCM2290_VDDCX>; + + interrupt-parent = <&mdss>; + interrupts = <0 IRQ_TYPE_NONE>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dpu_intf1_out: endpoint { + remote-endpoint = <&dsi0_in>; + }; + }; + }; + }; +... -- 2.7.4
