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Mon, 10 Feb 2025 01:32:49 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4391da964e2sm141340895e9.4.2025.02.10.01.32.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 01:32:49 -0800 (PST) From: Neil Armstrong Date: Mon, 10 Feb 2025 10:32:40 +0100 Subject: [PATCH v3 2/4] dt-bindings: display: qcom,sm8650-mdss: explicitly document mdp0-mem and cpu-cfg interconnect paths Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-2-54c96a9d2b7f@linaro.org> References: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-0-54c96a9d2b7f@linaro.org> In-Reply-To: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-0-54c96a9d2b7f@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE The mdp1-mem is not supported on the SM8550 SoCs, and having maxItems=2 makes the bindings not clear if mdp0-mem/mdp1-mem or mdp0-mem/cpu-cfg is required, so explicitly document the mdp0-mem/cpu-cfg interconnect paths and complete the example with the missing interconnect paths. Suggested-by: Dmitry Baryshkov Signed-off-by: Neil Armstrong Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml index 24cece1e888bd35f169dc3764966685de4b6da1d..a1c53e1910330af473a1e6c7827026e0770131ee 100644 --- a/Documentation/devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8650-mdss.yaml @@ -29,10 +29,14 @@ properties: maxItems: 1 interconnects: - maxItems: 2 + items: + - description: Interconnect path from mdp0 port to the data bus + - description: Interconnect path from CPU to the reg bus interconnect-names: - maxItems: 2 + items: + - const: mdp0-mem + - const: cpu-cfg patternProperties: "^display-controller@[0-9a-f]+$": @@ -75,12 +79,17 @@ examples: #include #include #include + #include display-subsystem@ae00000 { compatible = "qcom,sm8650-mdss"; reg = <0x0ae00000 0x1000>; reg-names = "mdss"; + interconnects = <&mmss_noc MASTER_MDP 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_DISPLAY_CFG 0>; + interconnect-names = "mdp0-mem", "cpu-cfg"; + resets = <&dispcc_core_bcr>; power-domains = <&dispcc_gdsc>;