Document the MDSS hardware found on the Qualcomm SA8775P platform. Signed-off-by: Mahadevan <quic_mahap@xxxxxxxxxxx> --- .../display/msm/qcom,sa8775p-mdss.yaml | 225 ++++++++++++++++++ 1 file changed, 225 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml new file mode 100644 index 000000000000..85da693f1f6d --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml @@ -0,0 +1,225 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/qcom,sa8775p-mdss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. SA87755P Display MDSS + +maintainers: + - Mahadevan <quic_mahap@xxxxxxxxxxx> + +description: + SA8775P MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like + DPU display controller, DP interfaces and EDP etc. + +$ref: /schemas/display/msm/mdss-common.yaml# + +properties: + compatible: + const: qcom,sa8775p-mdss + + clocks: + items: + - description: Display AHB + - description: Display hf AXI + - description: Display core + + iommus: + maxItems: 1 + + interconnects: + maxItems: 3 + + interconnect-names: + maxItems: 3 + +patternProperties: + "^display-controller@[0-9a-f]+$": + type: object + properties: + compatible: + const: qcom,sa8775p-dpu + + "^displayport-controller@[0-9a-f]+$": + type: object + properties: + compatible: + items: + - const: qcom,sa8775p-dp + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,sa8775p-dispcc.h> + #include <dt-bindings/clock/qcom,gcc-sa8775p.h> + #include <dt-bindings/clock/qcom,rpmh.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interconnect/qcom,sa8775p.h> + #include <dt-bindings/power/qcom,rpmhpd.h> + + mdss0: display-subsystem@ae00000 { + compatible = "qcom,sa8775p-mdss"; + reg = <0 0x0ae00000 0 0x1000>; + reg-names = "mdss"; + + /* same path used twice */ + interconnects = <&mmss_noc MASTER_MDP0 0 &mc_virt SLAVE_EBI1 0>, + <&mmss_noc MASTER_MDP1 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE_ONLY>; + interconnect-names = "mdp0-mem", + "mdp1-mem", + "cpu-cfg"; + + power-domains = <&dispcc0 MDSS_DISP_CC_MDSS_CORE_GDSC>; + + clocks = <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>, + <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_MDP_CLK>; + + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <1>; + + iommus = <&apps_smmu 0x1000 0x402>; + + #address-cells = <2>; + #size-cells = <2>; + ranges; + + status = "disabled"; + + mdss_mdp: display-controller@ae01000 { + compatible = "qcom,sa8775p-dpu"; + reg = <0 0x0ae01000 0 0x8f000>, + <0 0x0aeb0000 0 0x2008>; + reg-names = "mdp", "vbif"; + + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_MDP_LUT_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_MDP_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_VSYNC_CLK>; + clock-names = "bus", + "iface", + "lut", + "core", + "vsync"; + + assigned-clocks = <&dispcc0 MDSS_DISP_CC_MDSS_VSYNC_CLK>; + assigned-clock-rates = <19200000>; + operating-points-v2 = <&mdss0_mdp_opp_table>; + power-domains = <&rpmhpd RPMHPD_MMCX>; + + interrupt-parent = <&mdss0>; + interrupts = <0>; + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + dpu_intf0_out: endpoint { + remote-endpoint = <&mdss0_dp0_in>; + }; + }; + }; + + mdss0_mdp_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-375000000 { + opp-hz = /bits/ 64 <375000000>; + required-opps = <&rpmhpd_opp_svs_l1>; + }; + + opp-500000000 { + opp-hz = /bits/ 64 <500000000>; + required-opps = <&rpmhpd_opp_nom>; + }; + + opp-575000000 { + opp-hz = /bits/ 64 <575000000>; + required-opps = <&rpmhpd_opp_turbo>; + }; + + opp-650000000 { + opp-hz = /bits/ 64 <650000000>; + required-opps = <&rpmhpd_opp_turbo_l1>; + }; + }; + }; + + mdss0_dp0: displayport-controller@af54000 { + compatible = "qcom,sa8775p-dp"; + + pinctrl-0 = <&dp_hot_plug_det>; + pinctrl-names = "default"; + + reg = <0 0xaf54000 0 0x104>, + <0 0xaf54200 0 0x0c0>, + <0 0xaf55000 0 0x770>, + <0 0xaf56000 0 0x09c>; + + interrupt-parent = <&mdss0>; + interrupts = <12>; + clocks = <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK>; + clock-names = "core_iface", + "core_aux", + "ctrl_link", + "ctrl_link_iface", + "stream_pixel"; + assigned-clocks = <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>; + assigned-clock-parents = <&mdss0_edp_phy 0>, <&mdss0_edp_phy 1>; + phys = <&mdss0_edp_phy>; + phy-names = "dp"; + operating-points-v2 = <&dp_opp_table>; + power-domains = <&rpmhpd SA8775P_MMCX>; + #sound-dai-cells = <0>; + status = "disabled"; + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + mdss0_dp0_in: endpoint { + remote-endpoint = <&dpu_intf0_out>; + }; + }; + port@1 { + reg = <1>; + mdss0_dp_out: endpoint { }; + }; + }; + dp_opp_table: opp-table { + compatible = "operating-points-v2"; + opp-160000000 { + opp-hz = /bits/ 64 <160000000>; + required-opps = <&rpmhpd_opp_low_svs>; + }; + opp-270000000 { + opp-hz = /bits/ 64 <270000000>; + required-opps = <&rpmhpd_opp_svs>; + }; + + opp-540000000 { + opp-hz = /bits/ 64 <540000000>; + required-opps = <&rpmhpd_opp_svs_l1>; + }; + opp-810000000 { + opp-hz = /bits/ 64 <810000000>; + required-opps = <&rpmhpd_opp_nom>; + }; + }; + + }; +... -- 2.34.1
