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Tue, 11 Feb 2025 04:56:44 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38dc73c2e00sm12863078f8f.57.2025.02.11.04.56.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Feb 2025 04:56:43 -0800 (PST) From: Neil Armstrong Date: Tue, 11 Feb 2025 13:56:38 +0100 Subject: [PATCH v2 2/3] arm64: dts: qcom: sm8650: add cpu interconnect nodes Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250211-topic-sm8650-ddr-bw-scaling-v2-2-a0c950540e68@linaro.org> References: <20250211-topic-sm8650-ddr-bw-scaling-v2-0-a0c950540e68@linaro.org> In-Reply-To: <20250211-topic-sm8650-ddr-bw-scaling-v2-0-a0c950540e68@linaro.org> To: Georgi Djakov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sibi Sankar , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Add the interconnect entry for each cpu, with 3 different paths: - CPU to Last Level Cache Controller (LLCC) - Last Level Cache Controller (LLCC) to DDR - L3 Cache from CPU to DDR interface Signed-off-by: Neil Armstrong --- arch/arm64/boot/dts/qcom/sm8650.dtsi | 57 ++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi index bc09e879c1440873a52daf3fc7a38f451f1f972c..e194a95cdcc0f0f692e62b942331cd9e07a4eae0 100644 --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -85,6 +86,13 @@ cpu0: cpu@0 { qcom,freq-domain = <&cpufreq_hw 0>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; l2_0: l2-cache { @@ -118,6 +126,13 @@ cpu1: cpu@100 { qcom,freq-domain = <&cpufreq_hw 0>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; }; @@ -138,6 +153,13 @@ cpu2: cpu@200 { qcom,freq-domain = <&cpufreq_hw 3>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; l2_200: l2-cache { @@ -165,6 +187,13 @@ cpu3: cpu@300 { qcom,freq-domain = <&cpufreq_hw 3>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; }; @@ -185,6 +214,13 @@ cpu4: cpu@400 { qcom,freq-domain = <&cpufreq_hw 3>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; l2_400: l2-cache { @@ -212,6 +248,13 @@ cpu5: cpu@500 { qcom,freq-domain = <&cpufreq_hw 1>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; l2_500: l2-cache { @@ -239,6 +282,13 @@ cpu6: cpu@600 { qcom,freq-domain = <&cpufreq_hw 1>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; l2_600: l2-cache { @@ -266,6 +316,13 @@ cpu7: cpu@700 { qcom,freq-domain = <&cpufreq_hw 2>; + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>, + <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + <&epss_l3 MASTER_EPSS_L3_APPS + &epss_l3 SLAVE_EPSS_L3_SHARED>; + #cooling-cells = <2>; l2_700: l2-cache {