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dt-bindings: display/msm: Document MDSS on SA8775P
Document the MDSS hardware found on the Qualcomm SA8775P platform. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Mahadevan <quic_mahap@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/620492/ Link: https://lore.kernel.org/r/20241019-patchv3_1-v5-1-d2fb72c9a845@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Mahadevan
Dmitry Baryshkov
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/msm/qcom,sa8775p-mdss.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Technologies, Inc. SA87755P Display MDSS
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maintainers:
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- Mahadevan <quic_mahap@quicinc.com>
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description:
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SA8775P MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like
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DPU display controller, DP interfaces and EDP etc.
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$ref: /schemas/display/msm/mdss-common.yaml#
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properties:
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compatible:
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const: qcom,sa8775p-mdss
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clocks:
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items:
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- description: Display AHB
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- description: Display hf AXI
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- description: Display core
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iommus:
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maxItems: 1
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interconnects:
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maxItems: 3
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interconnect-names:
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maxItems: 3
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patternProperties:
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"^display-controller@[0-9a-f]+$":
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type: object
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additionalProperties: true
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properties:
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compatible:
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const: qcom,sa8775p-dpu
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"^displayport-controller@[0-9a-f]+$":
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type: object
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additionalProperties: true
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properties:
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compatible:
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items:
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- const: qcom,sa8775p-dp
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required:
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- compatible
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interconnect/qcom,icc.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/qcom,sa8775p-gcc.h>
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#include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
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#include <dt-bindings/power/qcom,rpmhpd.h>
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#include <dt-bindings/power/qcom-rpmpd.h>
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display-subsystem@ae00000 {
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compatible = "qcom,sa8775p-mdss";
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reg = <0x0ae00000 0x1000>;
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reg-names = "mdss";
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interconnects = <&mmss_noc MASTER_MDP0 &mc_virt SLAVE_EBI1>,
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<&mmss_noc MASTER_MDP1 &mc_virt SLAVE_EBI1>,
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<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_DISPLAY_CFG>;
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interconnect-names = "mdp0-mem",
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"mdp1-mem",
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"cpu-cfg";
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resets = <&dispcc_core_bcr>;
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power-domains = <&dispcc_gdsc>;
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clocks = <&dispcc_ahb_clk>,
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<&gcc GCC_DISP_HF_AXI_CLK>,
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<&dispcc_mdp_clk>;
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interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-controller;
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#interrupt-cells = <1>;
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iommus = <&apps_smmu 0x1000 0x402>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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display-controller@ae01000 {
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compatible = "qcom,sa8775p-dpu";
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reg = <0x0ae01000 0x8f000>,
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<0x0aeb0000 0x2008>;
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reg-names = "mdp", "vbif";
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clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
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<&dispcc_ahb_clk>,
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<&dispcc_mdp_lut_clk>,
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<&dispcc_mdp_clk>,
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<&dispcc_mdp_vsync_clk>;
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clock-names = "nrt_bus",
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"iface",
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"lut",
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"core",
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"vsync";
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assigned-clocks = <&dispcc_mdp_vsync_clk>;
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assigned-clock-rates = <19200000>;
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operating-points-v2 = <&mdss0_mdp_opp_table>;
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power-domains = <&rpmhpd RPMHPD_MMCX>;
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interrupt-parent = <&mdss0>;
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interrupts = <0>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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dpu_intf0_out: endpoint {
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remote-endpoint = <&mdss0_dp0_in>;
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};
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};
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};
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mdss0_mdp_opp_table: opp-table {
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compatible = "operating-points-v2";
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opp-375000000 {
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opp-hz = /bits/ 64 <375000000>;
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required-opps = <&rpmhpd_opp_svs_l1>;
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};
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opp-500000000 {
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opp-hz = /bits/ 64 <500000000>;
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required-opps = <&rpmhpd_opp_nom>;
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};
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opp-575000000 {
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opp-hz = /bits/ 64 <575000000>;
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required-opps = <&rpmhpd_opp_turbo>;
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};
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opp-650000000 {
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opp-hz = /bits/ 64 <650000000>;
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required-opps = <&rpmhpd_opp_turbo_l1>;
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};
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};
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};
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displayport-controller@af54000 {
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compatible = "qcom,sa8775p-dp";
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pinctrl-0 = <&dp_hot_plug_det>;
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pinctrl-names = "default";
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reg = <0xaf54000 0x104>,
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<0xaf54200 0x0c0>,
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<0xaf55000 0x770>,
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<0xaf56000 0x09c>;
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interrupt-parent = <&mdss0>;
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interrupts = <12>;
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clocks = <&dispcc_mdss_ahb_clk>,
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<&dispcc_dptx0_aux_clk>,
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<&dispcc_dptx0_link_clk>,
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<&dispcc_dptx0_link_intf_clk>,
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<&dispcc_dptx0_pixel0_clk>;
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clock-names = "core_iface",
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"core_aux",
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"ctrl_link",
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"ctrl_link_iface",
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"stream_pixel";
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assigned-clocks = <&dispcc_mdss_dptx0_link_clk_src>,
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<&dispcc_mdss_dptx0_pixel0_clk_src>;
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assigned-clock-parents = <&mdss0_edp_phy 0>, <&mdss0_edp_phy 1>;
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phys = <&mdss0_edp_phy>;
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phy-names = "dp";
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operating-points-v2 = <&dp_opp_table>;
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power-domains = <&rpmhpd SA8775P_MMCX>;
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#sound-dai-cells = <0>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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mdss0_dp0_in: endpoint {
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remote-endpoint = <&dpu_intf0_out>;
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};
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};
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port@1 {
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reg = <1>;
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mdss0_dp_out: endpoint { };
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};
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};
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dp_opp_table: opp-table {
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compatible = "operating-points-v2";
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opp-160000000 {
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opp-hz = /bits/ 64 <160000000>;
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required-opps = <&rpmhpd_opp_low_svs>;
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};
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opp-270000000 {
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opp-hz = /bits/ 64 <270000000>;
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required-opps = <&rpmhpd_opp_svs>;
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};
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opp-540000000 {
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opp-hz = /bits/ 64 <540000000>;
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required-opps = <&rpmhpd_opp_svs_l1>;
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};
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opp-810000000 {
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opp-hz = /bits/ 64 <810000000>;
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required-opps = <&rpmhpd_opp_nom>;
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};
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};
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};
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};
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...
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