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Wed, 9 Oct 2024 14:34:17 GMT Received: from hu-mahap-hyd.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 9 Oct 2024 07:34:10 -0700 From: Mahadevan Date: Wed, 9 Oct 2024 20:02:01 +0530 Subject: [PATCH v4 1/5] dt-bindings: display/msm: Document MDSS on SA8775P Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20241009-patchv3_1-v4-1-cd683a9ca554@quicinc.com> References: <20241009-patchv3_1-v4-0-cd683a9ca554@quicinc.com> In-Reply-To: <20241009-patchv3_1-v4-0-cd683a9ca554@quicinc.com> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter , "Maarten Lankhorst" , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mahadevan , Neil Armstrong , Bjorn Andersson , "Konrad Dybcio" CC: , , , , , Kalyan Thota , Jayaprakash Madisetty , Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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Reviewed-by: Krzysztof Kozlowski Signed-off-by: Mahadevan --- .../bindings/display/msm/qcom,sa8775p-mdss.yaml | 241 +++++++++++++++++++++ 1 file changed, 241 insertions(+) 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 0000000000000000000000000000000000000000..37c04ae6876f873c2cddc51b5160b1f54e2b5118 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml @@ -0,0 +1,241 @@ +# 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 + +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 + additionalProperties: true + + properties: + compatible: + const: qcom,sa8775p-dpu + + "^displayport-controller@[0-9a-f]+$": + type: object + additionalProperties: true + + properties: + compatible: + items: + - const: qcom,sa8775p-dp + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + #include + #include + + display-subsystem@ae00000 { + compatible = "qcom,sa8775p-mdss"; + reg = <0x0ae00000 0x1000>; + reg-names = "mdss"; + + interconnects = <&mmss_noc MASTER_MDP0 &mc_virt SLAVE_EBI1>, + <&mmss_noc MASTER_MDP1 &mc_virt SLAVE_EBI1>, + <&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_DISPLAY_CFG>; + interconnect-names = "mdp0-mem", + "mdp1-mem", + "cpu-cfg"; + + + resets = <&dispcc_core_bcr>; + power-domains = <&dispcc_gdsc>; + + clocks = <&dispcc_ahb_clk>, + <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc_mdp_clk>; + + interrupts = ; + interrupt-controller; + #interrupt-cells = <1>; + + iommus = <&apps_smmu 0x1000 0x402>; + + #address-cells = <1>; + #size-cells = <1>; + ranges; + + display-controller@ae01000 { + compatible = "qcom,sa8775p-dpu"; + reg = <0x0ae01000 0x8f000>, + <0x0aeb0000 0x2008>; + reg-names = "mdp", "vbif"; + + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc_ahb_clk>, + <&dispcc_mdp_lut_clk>, + <&dispcc_mdp_clk>, + <&dispcc_mdp_vsync_clk>; + clock-names = "bus", + "iface", + "lut", + "core", + "vsync"; + + assigned-clocks = <&dispcc_mdp_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>; + }; + }; + }; + + displayport-controller@af54000 { + compatible = "qcom,sa8775p-dp"; + + pinctrl-0 = <&dp_hot_plug_det>; + pinctrl-names = "default"; + + reg = <0xaf54000 0x104>, + <0xaf54200 0x0c0>, + <0xaf55000 0x770>, + <0xaf56000 0x09c>; + + interrupt-parent = <&mdss0>; + interrupts = <12>; + + clocks = <&dispcc_mdss_ahb_clk>, + <&dispcc_dptx0_aux_clk>, + <&dispcc_dptx0_link_clk>, + <&dispcc_dptx0_link_intf_clk>, + <&dispcc_dptx0_pixel0_clk>; + clock-names = "core_iface", + "core_aux", + "ctrl_link", + "ctrl_link_iface", + "stream_pixel"; + + assigned-clocks = <&dispcc_mdss_dptx0_link_clk_src>, + <&dispcc_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>; + + 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>; + }; + }; + }; + }; +...