From nobody Mon Feb 9 10:01:19 2026 Received: from ahti.lucaweiss.eu (ahti.lucaweiss.eu [128.199.32.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71EF520AF92; Sun, 20 Apr 2025 15:13:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=128.199.32.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745161994; cv=none; b=nwGXLtk8p4/Mnh70BQYy02bNnsBuzQZTnYMvEu7cUes4wA44IqVlHTwdTZ5nVriZziOlho6QUhTkaA55JLpHLyVs60jeZseWTV0/ljrrEtDv8N4YqbET6ZVvtM+p/UDCMox+CLfi7t2fEJCsQ1FJG/PQMN87JYtzGZ1QuWd/Uzg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745161994; c=relaxed/simple; bh=23Sj0XCljb+mYzAWL8UrijLOqOqRTWPwSRGWnzpzJHw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hHTVpyMi8+tbddFTThg1VwqkPfgOcG9URMgPaB1QnwCwkzscFP03u2aQS9zkhd9Se0csSwpfVP1XbpSDmfFMsiJAy4Qj5nqdzKJB44R6Y1vSd0chTJO3fGqC4dy4wz7bUW9TxGR9F3PSoJZHDbN8ZdWoTT/M5Lf06KtaqVsXUKY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=lucaweiss.eu; spf=pass smtp.mailfrom=lucaweiss.eu; dkim=pass (1024-bit key) header.d=lucaweiss.eu header.i=@lucaweiss.eu header.b=1CcsojpJ; arc=none smtp.client-ip=128.199.32.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=lucaweiss.eu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lucaweiss.eu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lucaweiss.eu header.i=@lucaweiss.eu header.b="1CcsojpJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lucaweiss.eu; s=s1; t=1745161984; bh=23Sj0XCljb+mYzAWL8UrijLOqOqRTWPwSRGWnzpzJHw=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=1CcsojpJCDnGJk91DYZvMjaFTTSU95B+WzwEe8jpn0Aaz3uPdMus0z25jL17jVqrK WQ7BnG3eqjsNySp8cI/w68QIAsSKc9f9hft4AdwYq+cHBv5dAnQtC4LUCz6FfljgwT wKN4LagQGFn+9GIPwqn4U2Zpd6b0fVeVzAiG6E28= From: Luca Weiss Date: Sun, 20 Apr 2025 17:12:43 +0200 Subject: [PATCH v2 1/2] dt-bindings: msm: qcom,mdss: Document interconnect paths 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: <20250420-msm8953-interconnect-v2-1-828715dcb674@lucaweiss.eu> References: <20250420-msm8953-interconnect-v2-0-828715dcb674@lucaweiss.eu> In-Reply-To: <20250420-msm8953-interconnect-v2-0-828715dcb674@lucaweiss.eu> To: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, 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 , Vladimir Lypak 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, Luca Weiss X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1385; i=luca@lucaweiss.eu; h=from:subject:message-id; bh=23Sj0XCljb+mYzAWL8UrijLOqOqRTWPwSRGWnzpzJHw=; b=owEBbQKS/ZANAwAIAXLYQ7idTddWAcsmYgBoBQ775dZDQS0PZkDqWJfdxM26an2mV6e8HmrOa p9iY2AJGTyJAjMEAAEIAB0WIQQ5utIvCCzakboVj/py2EO4nU3XVgUCaAUO+wAKCRBy2EO4nU3X VllOD/9m9lPHGpBY+nRbLUtgt+xoLbziHdGM5Wn7itYg/AdMA7FB8nT3arVEwtfYjA89Oj6JkgD gUw3p9+dHv5tL7CciUO79i/ngYX0CjwMxUoUSRv4dekodpbTeqY+rLP5BAq6P/gK5Lbm1/ImQo6 zPa6afvIpCzK42K4aIT+QYI7e4VINPIYWHteLejdHJn98/+bnXMH8OvSP4eM3TRlHG2ZUhhP9nT eG2U31WULF3KxRUhtFxh7dHcISdFEGYIHImpe+bX3kKZOjIWmrCvSS3N0HHYN21NTQxyKb0ps3f AaAvo61FQ49k8zLRvwdnpV/WRWOgMPYL0c3/DM//YwsuDxGfzVVtty90BtrwpXR0v/ERfWUnJUl jwn6Os4d685p/+7WQWIJH28cSI3RHhTplfedhP3F2gX0BvWMxjcKTSVdY2fQq1ryPEzxT0l8ch2 G9T65fBoZuUeUNvfGYWi3o6p4PgX++Wt6jdiHEOpoprMhZ2wf/aN/nIgdvI/4G3QQv3D1ECt/ER qeIwpvPS79/i87++HWQgCD4r/8ERVRb7TWJgo2+ddGY6N96mGlorc/4GngbACFJL3My+mkEryxg 7hnEjDLNCdk7zDuiIM/IXh5ALHRpkq334VmCT8iZZp+IEaLvvYRVyc1xR15z+yXpquOrVuRfixN 8M8Vupo12PuxYfg== X-Developer-Key: i=luca@lucaweiss.eu; a=openpgp; fpr=BD04DA24C971B8D587B2B8D7FAF69CF6CD2D02CD Document two interconnect paths found on the MDSS on MSM8953. Acked-by: Rob Herring (Arm) Signed-off-by: Luca Weiss Reviewed-by: Dmitry Baryshkov --- There's also some interconnect paths defined in the mdp5 schema, both drivers accept it. Newer mdss schemas seem to prefer mdp0-mem + cpu-cfg in the mdss schema instead of in the dpu subnode. Since there's no cpu-cfg defined with mdp5, I've added these paths here. --- Documentation/devicetree/bindings/display/msm/qcom,mdss.yaml | 12 ++++++++= ++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/qcom,mdss.yaml b= /Documentation/devicetree/bindings/display/msm/qcom,mdss.yaml index 7c6462caa4428bc284619275e61ddacc26d0c06e..db9c43b20e2a705bcaae4a9e0e1= 1ce13be853b78 100644 --- a/Documentation/devicetree/bindings/display/msm/qcom,mdss.yaml +++ b/Documentation/devicetree/bindings/display/msm/qcom,mdss.yaml @@ -84,6 +84,18 @@ properties: items: - description: MDSS_CORE reset =20 + interconnects: + minItems: 1 + items: + - description: Interconnect path from mdp0 (or a single mdp) port to= the data bus + - description: Interconnect path from CPU to the reg bus + + interconnect-names: + minItems: 1 + items: + - const: mdp0-mem + - const: cpu-cfg + required: - compatible - reg --=20 2.49.0 From nobody Mon Feb 9 10:01:19 2026 Received: from ahti.lucaweiss.eu (ahti.lucaweiss.eu [128.199.32.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 49D0320B7FA; 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a=openpgp; fpr=BD04DA24C971B8D587B2B8D7FAF69CF6CD2D02CD From: Vladimir Lypak Add the nodes for the bimc, pcnoc, snoc and snoc_mm. And wire up the interconnects where applicable. Signed-off-by: Vladimir Lypak [luca: Prepare patch for upstream submission] Signed-off-by: Luca Weiss Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/msm8953.dtsi | 101 ++++++++++++++++++++++++++++++= ++++ 1 file changed, 101 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qc= om/msm8953.dtsi index 6f5e6c407194d16682d1e6401fd4d10f3b73c195..155efb093ff863f2068ba4b2a7f= bb5336174ef83 100644 --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi @@ -4,6 +4,8 @@ #include #include #include +#include +#include #include #include #include @@ -44,6 +46,8 @@ cpu0: cpu@0 { reg =3D <0x0>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_0>; #cooling-cells =3D <2>; }; @@ -54,6 +58,8 @@ cpu1: cpu@1 { reg =3D <0x1>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_0>; #cooling-cells =3D <2>; }; @@ -64,6 +70,8 @@ cpu2: cpu@2 { reg =3D <0x2>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_0>; #cooling-cells =3D <2>; }; @@ -74,6 +82,8 @@ cpu3: cpu@3 { reg =3D <0x3>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_0>; #cooling-cells =3D <2>; }; @@ -84,6 +94,8 @@ cpu4: cpu@100 { reg =3D <0x100>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_1>; #cooling-cells =3D <2>; }; @@ -94,6 +106,8 @@ cpu5: cpu@101 { reg =3D <0x101>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_1>; #cooling-cells =3D <2>; }; @@ -104,6 +118,8 @@ cpu6: cpu@102 { reg =3D <0x102>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_1>; #cooling-cells =3D <2>; }; @@ -114,6 +130,8 @@ cpu7: cpu@103 { reg =3D <0x103>; enable-method =3D "psci"; capacity-dmips-mhz =3D <1024>; + interconnects =3D <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &bimc SLV_EBI RPM_ACTIVE_TAG>; next-level-cache =3D <&l2_1>; #cooling-cells =3D <2>; }; @@ -470,6 +488,13 @@ rng@e3000 { clock-names =3D "core"; }; =20 + bimc: interconnect@400000 { + compatible =3D "qcom,msm8953-bimc"; + reg =3D <0x00400000 0x5a000>; + + #interconnect-cells =3D <2>; + }; + tsens0: thermal-sensor@4a9000 { compatible =3D "qcom,msm8953-tsens", "qcom,tsens-v2"; reg =3D <0x004a9000 0x1000>, /* TM */ @@ -486,6 +511,29 @@ restart@4ab000 { reg =3D <0x004ab000 0x4>; }; =20 + pcnoc: interconnect@500000 { + compatible =3D "qcom,msm8953-pcnoc"; + reg =3D <0x00500000 0x12080>; + + clocks =3D <&gcc GCC_PCNOC_USB3_AXI_CLK>; + clock-names =3D "pcnoc_usb3_axi"; + + #interconnect-cells =3D <2>; + }; + + snoc: interconnect@580000 { + compatible =3D "qcom,msm8953-snoc"; + reg =3D <0x00580000 0x16080>; + + #interconnect-cells =3D <2>; + + snoc_mm: interconnect-snoc { + compatible =3D "qcom,msm8953-snoc-mm"; + + #interconnect-cells =3D <2>; + }; + }; + tlmm: pinctrl@1000000 { compatible =3D "qcom,msm8953-pinctrl"; reg =3D <0x01000000 0x300000>; @@ -849,6 +897,13 @@ mdss: display-subsystem@1a00000 { interrupt-controller; #interrupt-cells =3D <1>; =20 + interconnects =3D <&snoc_mm MAS_MDP RPM_ALWAYS_TAG + &bimc SLV_EBI RPM_ALWAYS_TAG>, + <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &pcnoc SLV_DISP_SS_CFG RPM_ACTIVE_TAG>; + interconnect-names =3D "mdp0-mem", + "cpu-cfg"; + clocks =3D <&gcc GCC_MDSS_AHB_CLK>, <&gcc GCC_MDSS_AXI_CLK>, <&gcc GCC_MDSS_VSYNC_CLK>, @@ -1065,6 +1120,11 @@ gpu: gpu@1c00000 { "alwayson"; power-domains =3D <&gcc OXILI_GX_GDSC>; =20 + interconnects =3D <&bimc MAS_OXILI RPM_ALWAYS_TAG + &bimc SLV_EBI RPM_ALWAYS_TAG>, + <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &pcnoc SLV_GPU_CFG RPM_ACTIVE_TAG>; + iommus =3D <&gpu_iommu 0>; operating-points-v2 =3D <&gpu_opp_table>; =20 @@ -1302,6 +1362,13 @@ usb3: usb@70f8800 { <&gcc GCC_USB30_MASTER_CLK>; assigned-clock-rates =3D <19200000>, <133330000>; =20 + interconnects =3D <&pcnoc MAS_USB3 RPM_ALWAYS_TAG + &bimc SLV_EBI RPM_ALWAYS_TAG>, + <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &pcnoc SLV_USB3 RPM_ACTIVE_TAG>; + interconnect-names =3D "usb-ddr", + "apps-usb"; + power-domains =3D <&gcc USB30_GDSC>; =20 qcom,select-utmi-as-pipe-clk; @@ -1354,6 +1421,13 @@ sdhc_1: mmc@7824900 { <&rpmcc RPM_SMD_XO_CLK_SRC>; clock-names =3D "iface", "core", "xo"; =20 + interconnects =3D <&pcnoc MAS_SDCC_1 RPM_ALWAYS_TAG + &bimc SLV_EBI RPM_ALWAYS_TAG>, + <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &pcnoc SLV_SDCC_1 RPM_ACTIVE_TAG>; + interconnect-names =3D "sdhc-ddr", + "cpu-sdhc"; + power-domains =3D <&rpmpd MSM8953_VDDCX>; operating-points-v2 =3D <&sdhc1_opp_table>; =20 @@ -1374,26 +1448,36 @@ sdhc1_opp_table: opp-table-sdhc1 { =20 opp-25000000 { opp-hz =3D /bits/ 64 <25000000>; + opp-peak-kBps =3D <200000>, <100000>; + opp-avg-kBps =3D <65360>, <32768>; required-opps =3D <&rpmpd_opp_low_svs>; }; =20 opp-50000000 { opp-hz =3D /bits/ 64 <50000000>; + opp-peak-kBps =3D <400000>, <200000>; + opp-avg-kBps =3D <130718>, <65360>; required-opps =3D <&rpmpd_opp_svs>; }; =20 opp-100000000 { opp-hz =3D /bits/ 64 <100000000>; + opp-peak-kBps =3D <400000>, <400000>; + opp-avg-kBps =3D <130718>, <65360>; required-opps =3D <&rpmpd_opp_svs>; }; =20 opp-192000000 { opp-hz =3D /bits/ 64 <192000000>; + opp-peak-kBps =3D <800000>, <600000>; + opp-avg-kBps =3D <261438>, <130718>; required-opps =3D <&rpmpd_opp_nom>; }; =20 opp-384000000 { opp-hz =3D /bits/ 64 <384000000>; + opp-peak-kBps =3D <800000>, <800000>; + opp-avg-kBps =3D <261438>, <300000>; required-opps =3D <&rpmpd_opp_nom>; }; }; @@ -1414,6 +1498,13 @@ sdhc_2: mmc@7864900 { <&rpmcc RPM_SMD_XO_CLK_SRC>; clock-names =3D "iface", "core", "xo"; =20 + interconnects =3D <&pcnoc MAS_SDCC_2 RPM_ALWAYS_TAG + &bimc SLV_EBI RPM_ALWAYS_TAG>, + <&bimc MAS_APPS_PROC RPM_ACTIVE_TAG + &pcnoc SLV_SDCC_2 RPM_ACTIVE_TAG>; + interconnect-names =3D "sdhc-ddr", + "cpu-sdhc"; + power-domains =3D <&rpmpd MSM8953_VDDCX>; operating-points-v2 =3D <&sdhc2_opp_table>; =20 @@ -1430,26 +1521,36 @@ sdhc2_opp_table: opp-table-sdhc2 { =20 opp-25000000 { opp-hz =3D /bits/ 64 <25000000>; + opp-peak-kBps =3D <200000>, <100000>; + opp-avg-kBps =3D <65360>, <32768>; required-opps =3D <&rpmpd_opp_low_svs>; }; =20 opp-50000000 { opp-hz =3D /bits/ 64 <50000000>; + opp-peak-kBps =3D <400000>, <400000>; + opp-avg-kBps =3D <130718>, <65360>; required-opps =3D <&rpmpd_opp_svs>; }; =20 opp-100000000 { opp-hz =3D /bits/ 64 <100000000>; + opp-peak-kBps =3D <800000>, <400000>; + opp-avg-kBps =3D <130718>, <130718>; required-opps =3D <&rpmpd_opp_svs>; }; =20 opp-177770000 { opp-hz =3D /bits/ 64 <177770000>; + opp-peak-kBps =3D <600000>, <600000>; + opp-avg-kBps =3D <261438>, <130718>; required-opps =3D <&rpmpd_opp_nom>; }; =20 opp-200000000 { opp-hz =3D /bits/ 64 <200000000>; + opp-peak-kBps =3D <800000>, <800000>; + opp-avg-kBps =3D <261438>, <130718>; required-opps =3D <&rpmpd_opp_nom>; }; }; --=20 2.49.0