Document the Mobile Display Subsystem (MDSS) on the Milos SoC. Signed-off-by: Luca Weiss <[email protected]> --- .../bindings/display/msm/qcom,milos-mdss.yaml | 283 +++++++++++++++++++++ 1 file changed, 283 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,milos-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,milos-mdss.yaml new file mode 100644 index 000000000000..0fb66b4b2742 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/qcom,milos-mdss.yaml @@ -0,0 +1,283 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/qcom,milos-mdss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Milos Display MDSS + +maintainers: + - Luca Weiss <[email protected]> + +description: + Milos MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like + DPU display controller, DSI and DP interfaces etc. + +$ref: /schemas/display/msm/mdss-common.yaml# + +properties: + compatible: + const: qcom,milos-mdss + + clocks: + items: + - description: Display AHB + - description: Display hf AXI + - description: Display core + + iommus: + maxItems: 1 + + interconnects: + items: + - description: Interconnect path from mdp0 port to the data bus + - description: Interconnect path from CPU to the reg bus + + interconnect-names: + items: + - const: mdp0-mem + - const: cpu-cfg + +patternProperties: + "^display-controller@[0-9a-f]+$": + type: object + additionalProperties: true + properties: + compatible: + const: qcom,milos-dpu + + "^displayport-controller@[0-9a-f]+$": + type: object + additionalProperties: true + properties: + compatible: + const: qcom,milos-dp + + "^dsi@[0-9a-f]+$": + type: object + additionalProperties: true + properties: + compatible: + items: + - const: qcom,milos-dsi-ctrl + - const: qcom,mdss-dsi-ctrl + + "^phy@[0-9a-f]+$": + type: object + additionalProperties: true + properties: + compatible: + const: qcom,milos-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> + #include <dt-bindings/interconnect/qcom,milos-rpmh.h> + + display-subsystem@ae00000 { + compatible = "qcom,milos-mdss"; + reg = <0x0ae00000 0x1000>; + reg-names = "mdss"; + + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH 0>; + + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>; + + resets = <&dispcc DISP_CC_MDSS_CORE_BCR>; + + interconnects = <&mmss_noc MASTER_MDP QCOM_ICC_TAG_ALWAYS + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>, + <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &cnoc_main SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE_ONLY>; + interconnect-names = "mdp0-mem", + "cpu-cfg"; + + power-domains = <&dispcc DISP_CC_MDSS_CORE_GDSC>; + + iommus = <&apps_smmu 0x1c00 0x2>; + + interrupt-controller; + #interrupt-cells = <1>; + + #address-cells = <2>; + #size-cells = <2>; + ranges; + + display-controller@ae01000 { + compatible = "qcom,milos-dpu"; + reg = <0x0ae01000 0x8f000>, + <0x0aeb0000 0x3000>; + reg-names = "mdp", + "vbif"; + + interrupts-extended = <&mdss 0>; + + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>, + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; + clock-names = "nrt_bus", + "iface", + "lut", + "core", + "vsync"; + + assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>; + assigned-clock-rates = <19200000>; + + operating-points-v2 = <&mdp_opp_table>; + + power-domains = <&rpmhpd RPMHPD_CX>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + dpu_intf1_out: endpoint { + remote-endpoint = <&mdss_dsi0_in>; + }; + }; + }; + + mdp_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-200000000 { + opp-hz = /bits/ 64 <200000000>; + required-opps = <&rpmhpd_opp_low_svs>; + }; + + opp-342000000 { + opp-hz = /bits/ 64 <342000000>; + required-opps = <&rpmhpd_opp_svs>; + }; + + opp-402000000 { + opp-hz = /bits/ 64 <402000000>; + required-opps = <&rpmhpd_opp_svs_l1>; + }; + + opp-535000000 { + opp-hz = /bits/ 64 <535000000>; + required-opps = <&rpmhpd_opp_nom>; + }; + + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + required-opps = <&rpmhpd_opp_nom_l1>; + }; + + opp-630000000 { + opp-hz = /bits/ 64 <630000000>; + required-opps = <&rpmhpd_opp_turbo>; + }; + }; + }; + + dsi@ae94000 { + compatible = "qcom,milos-dsi-ctrl", "qcom,mdss-dsi-ctrl"; + reg = <0x0ae94000 0x1000>; + reg-names = "dsi_ctrl"; + + interrupts-extended = <&mdss 4>; + + clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK>, + <&dispcc DISP_CC_MDSS_BYTE0_INTF_CLK>, + <&dispcc DISP_CC_MDSS_PCLK0_CLK>, + <&dispcc DISP_CC_MDSS_ESC0_CLK>, + <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&gcc GCC_DISP_HF_AXI_CLK>; + clock-names = "byte", + "byte_intf", + "pixel", + "core", + "iface", + "bus"; + + assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>, + <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>; + assigned-clock-parents = <&mdss_dsi0_phy DSI_BYTE_PLL_CLK>, + <&mdss_dsi0_phy DSI_PIXEL_PLL_CLK>; + + operating-points-v2 = <&mdss_dsi_opp_table>; + + power-domains = <&rpmhpd RPMHPD_CX>; + + phys = <&mdss_dsi0_phy>; + phy-names = "dsi"; + + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + mdss_dsi0_in: endpoint { + remote-endpoint = <&dpu_intf1_out>; + }; + }; + + port@1 { + reg = <1>; + + mdss_dsi0_out: endpoint { + }; + }; + }; + + mdss_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>; + }; + }; + }; + + mdss_dsi0_phy: phy@ae95000 { + compatible = "qcom,milos-dsi-phy-4nm"; + reg = <0x0ae95000 0x200>, + <0x0ae95200 0x300>, + <0x0ae95500 0x400>; + reg-names = "dsi_phy", + "dsi_phy_lane", + "dsi_pll"; + + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&rpmhcc RPMH_CXO_CLK>; + clock-names = "iface", + "ref"; + + #clock-cells = <1>; + #phy-cells = <0>; + }; + }; +... -- 2.53.0
