Document the Mobile Display Subsystem (MDSS) on the SM8650 Platform. Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> --- .../bindings/display/msm/qcom,sm8650-mdss.yaml | 322 +++++++++++++++++++++ 1 file changed, 322 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml new file mode 100644 index 000000000000..5638c1ea692e --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml @@ -0,0 +1,322 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/qcom,sm8650-mdss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SM8650 Display MDSS + +maintainers: + - Neil Armstrong <neil.armstrong@xxxxxxxxxx> + +description: + SM8650 MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like + DPU display controller, DSI and DP interfaces etc. + +$ref: /schemas/display/msm/mdss-common.yaml# + +properties: + compatible: + const: qcom,sm8650-mdss + + clocks: + items: + - description: Display AHB + - description: Display hf AXI + - description: Display core + + iommus: + maxItems: 1 + + interconnects: + maxItems: 2 + + interconnect-names: + maxItems: 2 + +patternProperties: + "^display-controller@[0-9a-f]+$": + type: object + properties: + compatible: + const: qcom,sm8650-dpu + + "^dsi@[0-9a-f]+$": + type: object + properties: + compatible: + items: + - const: qcom,sm8650-dsi-ctrl + - const: qcom,mdss-dsi-ctrl + + "^phy@[0-9a-f]+$": + type: object + properties: + compatible: + const: qcom,sm8650-dsi-phy-4nm + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,rpmh.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/qcom,rpmhpd.h> + + display-subsystem@ae00000 { + compatible = "qcom,sm8650-mdss"; + reg = <0x0ae00000 0x1000>; + reg-names = "mdss"; + + resets = <&dispcc_core_bcr>; + + power-domains = <&dispcc_gdsc>; + + clocks = <&gcc_ahb_clk>, + <&gcc_axi_clk>, + <&dispcc_mdp_clk>; + clock-names = "bus", "nrt_bus", "core"; + + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <1>; + + iommus = <&apps_smmu 0x1c00 0x2>; + + #address-cells = <1>; + #size-cells = <1>; + ranges; + + display-controller@ae01000 { + compatible = "qcom,sm8650-dpu"; + reg = <0x0ae01000 0x8f000>, + <0x0aeb0000 0x2008>; + reg-names = "mdp", "vbif"; + + clocks = <&gcc_axi_clk>, + <&dispcc_ahb_clk>, + <&dispcc_mdp_lut_clk>, + <&dispcc_mdp_clk>, + <&dispcc_mdp_vsync_clk>; + clock-names = "nrt_bus", + "iface", + "lut", + "core", + "vsync"; + + assigned-clocks = <&dispcc_mdp_vsync_clk>; + assigned-clock-rates = <19200000>; + + operating-points-v2 = <&mdp_opp_table>; + power-domains = <&rpmhpd RPMHPD_MMCX>; + + interrupt-parent = <&mdss>; + interrupts = <0>; + + 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>; + }; + }; + }; + + mdp_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-200000000 { + opp-hz = /bits/ 64 <200000000>; + required-opps = <&rpmhpd_opp_low_svs>; + }; + + opp-325000000 { + opp-hz = /bits/ 64 <325000000>; + required-opps = <&rpmhpd_opp_svs>; + }; + + opp-375000000 { + opp-hz = /bits/ 64 <375000000>; + required-opps = <&rpmhpd_opp_svs_l1>; + }; + + opp-514000000 { + opp-hz = /bits/ 64 <514000000>; + required-opps = <&rpmhpd_opp_nom>; + }; + }; + }; + + dsi@ae94000 { + compatible = "qcom,sm8650-dsi-ctrl", "qcom,mdss-dsi-ctrl"; + reg = <0x0ae94000 0x400>; + reg-names = "dsi_ctrl"; + + interrupt-parent = <&mdss>; + interrupts = <4>; + + clocks = <&dispc_byte_clk>, + <&dispcc_intf_clk>, + <&dispcc_pclk>, + <&dispcc_esc_clk>, + <&dispcc_ahb_clk>, + <&gcc_bus_clk>; + clock-names = "byte", + "byte_intf", + "pixel", + "core", + "iface", + "bus"; + + assigned-clocks = <&dispcc_byte_clk>, + <&dispcc_pclk>; + assigned-clock-parents = <&dsi0_phy 0>, <&dsi0_phy 1>; + + operating-points-v2 = <&dsi_opp_table>; + power-domains = <&rpmhpd RPMHPD_MMCX>; + + phys = <&dsi0_phy>; + phy-names = "dsi"; + + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi0_in: endpoint { + remote-endpoint = <&dpu_intf1_out>; + }; + }; + + port@1 { + reg = <1>; + dsi0_out: endpoint { + }; + }; + }; + + dsi_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-187500000 { + opp-hz = /bits/ 64 <187500000>; + required-opps = <&rpmhpd_opp_low_svs>; + }; + + opp-300000000 { + opp-hz = /bits/ 64 <300000000>; + required-opps = <&rpmhpd_opp_svs>; + }; + + opp-358000000 { + opp-hz = /bits/ 64 <358000000>; + required-opps = <&rpmhpd_opp_svs_l1>; + }; + }; + }; + + dsi0_phy: phy@ae94400 { + compatible = "qcom,sm8650-dsi-phy-4nm"; + reg = <0x0ae95000 0x200>, + <0x0ae95200 0x280>, + <0x0ae95500 0x400>; + reg-names = "dsi_phy", + "dsi_phy_lane", + "dsi_pll"; + + #clock-cells = <1>; + #phy-cells = <0>; + + clocks = <&dispcc_iface_clk>, + <&rpmhcc_ref_clk>; + clock-names = "iface", "ref"; + }; + + dsi@ae96000 { + compatible = "qcom,sm8650-dsi-ctrl", "qcom,mdss-dsi-ctrl"; + reg = <0x0ae96000 0x400>; + reg-names = "dsi_ctrl"; + + interrupt-parent = <&mdss>; + interrupts = <5>; + + clocks = <&dispc_byte_clk>, + <&dispcc_intf_clk>, + <&dispcc_pclk>, + <&dispcc_esc_clk>, + <&dispcc_ahb_clk>, + <&gcc_bus_clk>; + clock-names = "byte", + "byte_intf", + "pixel", + "core", + "iface", + "bus"; + + assigned-clocks = <&dispcc_byte_clk>, + <&dispcc_pclk>; + assigned-clock-parents = <&dsi1_phy 0>, <&dsi1_phy 1>; + + operating-points-v2 = <&dsi_opp_table>; + power-domains = <&rpmhpd RPMHPD_MMCX>; + + phys = <&dsi1_phy>; + phy-names = "dsi"; + + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi1_in: endpoint { + remote-endpoint = <&dpu_intf2_out>; + }; + }; + + port@1 { + reg = <1>; + dsi1_out: endpoint { + }; + }; + }; + }; + + dsi1_phy: phy@ae96400 { + compatible = "qcom,sm8650-dsi-phy-4nm"; + reg = <0x0ae97000 0x200>, + <0x0ae97200 0x280>, + <0x0ae97500 0x400>; + reg-names = "dsi_phy", + "dsi_phy_lane", + "dsi_pll"; + + #clock-cells = <1>; + #phy-cells = <0>; + + clocks = <&dispcc_iface_clk>, + <&rpmhcc_ref_clk>; + clock-names = "iface", "ref"; + }; + }; +... -- 2.34.1
