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Wed, 06 Aug 2025 03:18:01 +0000 (GMT) Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 5763I0Gu028606 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 6 Aug 2025 03:18:00 GMT Received: from cse-cd01-lnx.ap.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Tue, 5 Aug 2025 20:17:55 -0700 From: Yongxing Mou Date: Wed, 6 Aug 2025 11:16:47 +0800 Subject: [PATCH v6 3/6] dt-bindings: display/msm: Document MDSS on QCS8300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20250806-mdssdt_qcs8300-v6-3-dbc17a8b86af@quicinc.com> References: <20250806-mdssdt_qcs8300-v6-0-dbc17a8b86af@quicinc.com> In-Reply-To: <20250806-mdssdt_qcs8300-v6-0-dbc17a8b86af@quicinc.com> To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Neil Armstrong" , Kuogee Hsieh , Bjorn Andersson , "Konrad Dybcio" CC: , , , , , Yongxing Mou X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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Signed-off-by: Yongxing Mou --- .../bindings/display/msm/qcom,qcs8300-mdss.yaml | 282 +++++++++++++++++= ++++ 1 file changed, 282 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/qcom,qcs8300-mds= s.yaml b/Documentation/devicetree/bindings/display/msm/qcom,qcs8300-mdss.ya= ml new file mode 100644 index 0000000000000000000000000000000000000000..1cc51e286a667e956ca66955f59= 4b7ccc9ef724f --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/qcom,qcs8300-mdss.yaml @@ -0,0 +1,282 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/qcom,qcs8300-mdss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. QCS8300 Display MDSS + +maintainers: + - Yongxing Mou + +description: + QCS8300 MSM Mobile Display Subsystem(MDSS), which encapsulates sub-block= s like + DPU display controller, DP interfaces and EDP etc. + +$ref: /schemas/display/msm/mdss-common.yaml# + +properties: + compatible: + const: qcom,qcs8300-mdss + + clocks: + items: + - description: Display AHB + - description: Display hf AXI + - description: Display core + + iommus: + maxItems: 1 + + interconnects: + maxItems: 3 + + interconnect-names: + maxItems: 3 + +patternProperties: + "^display-controller@[0-9a-f]+$": + type: object + additionalProperties: true + + properties: + compatible: + contains: + const: qcom,qcs8300-dpu + + "^displayport-controller@[0-9a-f]+$": + type: object + additionalProperties: true + + properties: + compatible: + items: + - const: qcom,qcs8300-dp + + "^phy@[0-9a-f]+$": + type: object + additionalProperties: true + properties: + compatible: + contains: + const: qcom,qcs8300-edp-phy + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + #include + #include + #include + + mdss: display-subsystem@ae00000 { + compatible =3D "qcom,qcs8300-mdss"; + reg =3D <0x0ae00000 0x1000>; + reg-names =3D "mdss"; + + interconnects =3D <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mmss_noc MASTER_MDP1 QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ON= LY + &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE= _ONLY>; + interconnect-names =3D "mdp0-mem", + "mdp1-mem", + "cpu-cfg"; + + resets =3D <&dispcc_core_bcr>; + power-domains =3D <&dispcc_gdsc>; + + clocks =3D <&dispcc_ahb_clk>, + <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc_mdp_clk>; + + interrupts =3D ; + interrupt-controller; + #interrupt-cells =3D <1>; + + iommus =3D <&apps_smmu 0x1000 0x402>; + + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges; + + display-controller@ae01000 { + compatible =3D "qcom,qcs8300-dpu", "qcom,sa8775p-dpu"; + reg =3D <0x0ae01000 0x8f000>, + <0x0aeb0000 0x2008>; + reg-names =3D "mdp", "vbif"; + + clocks =3D <&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 =3D "nrt_bus", + "iface", + "lut", + "core", + "vsync"; + + assigned-clocks =3D <&dispcc0 MDSS_DISP_CC_MDSS_VSYNC_CLK>; + assigned-clock-rates =3D <19200000>; + operating-points-v2 =3D <&mdp_opp_table>; + power-domains =3D <&rpmhpd RPMHPD_MMCX>; + + interrupt-parent =3D <&mdss>; + interrupts =3D <0>; + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + port@0 { + reg =3D <0>; + + dpu_intf0_out: endpoint { + remote-endpoint =3D <&mdss_dp0_in>; + }; + }; + }; + + mdp_opp_table: opp-table { + compatible =3D "operating-points-v2"; + + opp-375000000 { + opp-hz =3D /bits/ 64 <375000000>; + required-opps =3D <&rpmhpd_opp_svs_l1>; + }; + + opp-500000000 { + opp-hz =3D /bits/ 64 <500000000>; + required-opps =3D <&rpmhpd_opp_nom>; + }; + + opp-575000000 { + opp-hz =3D /bits/ 64 <575000000>; + required-opps =3D <&rpmhpd_opp_turbo>; + }; + + opp-650000000 { + opp-hz =3D /bits/ 64 <650000000>; + required-opps =3D <&rpmhpd_opp_turbo_l1>; + }; + }; + }; + + mdss_dp0_phy: phy@aec2a00 { + compatible =3D "qcom,qcs8300-edp-phy", "qcom,sa8775p-edp-phy"; + + reg =3D <0x0aec2a00 0x200>, + <0x0aec2200 0xd0>, + <0x0aec2600 0xd0>, + <0x0aec2000 0x1c8>; + + clocks =3D <&dispcc MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>, + <&dispcc MDSS_DISP_CC_MDSS_AHB_CLK>; + clock-names =3D "aux", + "cfg_ahb"; + + #clock-cells =3D <1>; + #phy-cells =3D <0>; + + vdda-phy-supply =3D <&vreg_l1c>; + vdda-pll-supply =3D <&vreg_l4a>; + }; + + displayport-controller@af54000 { + compatible =3D "qcom,qcs8300-dp"; + + pinctrl-0 =3D <&dp_hot_plug_det>; + pinctrl-names =3D "default"; + + reg =3D <0xaf54000 0x104>, + <0xaf54200 0x0c0>, + <0xaf55000 0x770>, + <0xaf56000 0x09c>, + <0xaf57000 0x09c>; + + interrupt-parent =3D <&mdss>; + interrupts =3D <12>; + clocks =3D <&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>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL1_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL2_CLK>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL3_CLK>; + clock-names =3D "core_iface", + "core_aux", + "ctrl_link", + "ctrl_link_iface", + "stream_pixel", + "stream_1_pixel", + "stream_2_pixel", + "stream_3_pixel"; + assigned-clocks =3D <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK= _SRC>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK= _SRC>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL1_CLK= _SRC>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL2_CLK= _SRC>, + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL3_CLK= _SRC>; + assigned-clock-parents =3D <&mdss_dp0_phy 0>, + <&mdss_dp0_phy 1>, + <&mdss_dp0_phy 1>, + <&mdss_dp0_phy 1>; + phys =3D <&mdss_dp0_phy>; + phy-names =3D "dp"; + operating-points-v2 =3D <&dp_opp_table>; + power-domains =3D <&rpmhpd RPMHPD_MMCX>; + + #sound-dai-cells =3D <0>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + mdss_dp0_in: endpoint { + remote-endpoint =3D <&dpu_intf0_out>; + }; + }; + + port@1 { + reg =3D <1>; + + mdss_dp_out: endpoint { }; + }; + }; + + dp_opp_table: opp-table { + compatible =3D "operating-points-v2"; + + opp-160000000 { + opp-hz =3D /bits/ 64 <160000000>; + required-opps =3D <&rpmhpd_opp_low_svs>; + }; + + opp-270000000 { + opp-hz =3D /bits/ 64 <270000000>; + required-opps =3D <&rpmhpd_opp_svs>; + }; + + opp-540000000 { + opp-hz =3D /bits/ 64 <540000000>; + required-opps =3D <&rpmhpd_opp_svs_l1>; + }; + + opp-810000000 { + opp-hz =3D /bits/ 64 <810000000>; + required-opps =3D <&rpmhpd_opp_nom>; + }; + }; + }; + }; +... --=20 2.34.1