From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Georgi Djakov <djakov@kernel.org>, Rob Herring <robh+dt@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Rob Herring <robh@kernel.org> Subject: [PATCH v5 1/4] dt-bindings: interconnect: qcom,msm8998-cpu-bwmon: add BWMON device Date: Wed, 29 Jun 2022 09:52:47 +0200 [thread overview] Message-ID: <20220629075250.17610-2-krzysztof.kozlowski@linaro.org> (raw) In-Reply-To: <20220629075250.17610-1-krzysztof.kozlowski@linaro.org> Add bindings for the Qualcomm Bandwidth Monitor device providing performance data on interconnects. The bindings describe only BWMON CPU (version 4), e.g. the instance which appeared for the first on Qualcomm MSM8998 SoC and is also used on SDM845. This BWMON device sits between CPU and Last Level Cache Controller. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Georgi Djakov <djakov@kernel.org> --- .../interconnect/qcom,msm8998-cpu-bwmon.yaml | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml diff --git a/Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml b/Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml new file mode 100644 index 000000000000..b6ced53b92f7 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,msm8998-cpu-bwmon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Interconnect Bandwidth Monitor + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + Bandwidth Monitor measures current throughput on buses between various NoC + fabrics and provides information when it crosses configured thresholds. + +properties: + compatible: + oneOf: + - items: + - enum: + - qcom,sdm845-cpu-bwmon + - const: qcom,msm8998-cpu-bwmon + - const: qcom,msm8998-cpu-bwmon # BWMON v4 + + interconnects: + maxItems: 1 + + interrupts: + maxItems: 1 + + operating-points-v2: true + opp-table: true + + reg: + # Currently described BWMON v4 and v5 use one register address space. + # BWMON v2 uses two register spaces - not yet described. + maxItems: 1 + +required: + - compatible + - interconnects + - interrupts + - operating-points-v2 + - opp-table + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interconnect/qcom,sdm845.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + pmu@1436400 { + compatible = "qcom,sdm845-cpu-bwmon", "qcom,msm8998-cpu-bwmon"; + reg = <0x01436400 0x600>; + interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>; + interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_LLCC 3>; + + operating-points-v2 = <&cpu_bwmon_opp_table>; + + cpu_bwmon_opp_table: opp-table { + compatible = "operating-points-v2"; + opp-0 { + opp-peak-kBps = <4800000>; + }; + opp-1 { + opp-peak-kBps = <9216000>; + }; + opp-2 { + opp-peak-kBps = <15052800>; + }; + opp-3 { + opp-peak-kBps = <20889600>; + }; + opp-4 { + opp-peak-kBps = <25497600>; + }; + }; + }; -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Georgi Djakov <djakov@kernel.org>, Rob Herring <robh+dt@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Rob Herring <robh@kernel.org> Subject: [PATCH v5 1/4] dt-bindings: interconnect: qcom,msm8998-cpu-bwmon: add BWMON device Date: Wed, 29 Jun 2022 09:52:47 +0200 [thread overview] Message-ID: <20220629075250.17610-2-krzysztof.kozlowski@linaro.org> (raw) In-Reply-To: <20220629075250.17610-1-krzysztof.kozlowski@linaro.org> Add bindings for the Qualcomm Bandwidth Monitor device providing performance data on interconnects. The bindings describe only BWMON CPU (version 4), e.g. the instance which appeared for the first on Qualcomm MSM8998 SoC and is also used on SDM845. This BWMON device sits between CPU and Last Level Cache Controller. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Georgi Djakov <djakov@kernel.org> --- .../interconnect/qcom,msm8998-cpu-bwmon.yaml | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml diff --git a/Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml b/Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml new file mode 100644 index 000000000000..b6ced53b92f7 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,msm8998-cpu-bwmon.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,msm8998-cpu-bwmon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Interconnect Bandwidth Monitor + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + Bandwidth Monitor measures current throughput on buses between various NoC + fabrics and provides information when it crosses configured thresholds. + +properties: + compatible: + oneOf: + - items: + - enum: + - qcom,sdm845-cpu-bwmon + - const: qcom,msm8998-cpu-bwmon + - const: qcom,msm8998-cpu-bwmon # BWMON v4 + + interconnects: + maxItems: 1 + + interrupts: + maxItems: 1 + + operating-points-v2: true + opp-table: true + + reg: + # Currently described BWMON v4 and v5 use one register address space. + # BWMON v2 uses two register spaces - not yet described. + maxItems: 1 + +required: + - compatible + - interconnects + - interrupts + - operating-points-v2 + - opp-table + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interconnect/qcom,sdm845.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + pmu@1436400 { + compatible = "qcom,sdm845-cpu-bwmon", "qcom,msm8998-cpu-bwmon"; + reg = <0x01436400 0x600>; + interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>; + interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_LLCC 3>; + + operating-points-v2 = <&cpu_bwmon_opp_table>; + + cpu_bwmon_opp_table: opp-table { + compatible = "operating-points-v2"; + opp-0 { + opp-peak-kBps = <4800000>; + }; + opp-1 { + opp-peak-kBps = <9216000>; + }; + opp-2 { + opp-peak-kBps = <15052800>; + }; + opp-3 { + opp-peak-kBps = <20889600>; + }; + opp-4 { + opp-peak-kBps = <25497600>; + }; + }; + }; -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-06-29 7:53 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-29 7:52 [PATCH v5 0/4] soc/arm64: qcom: Add initial version of bwmon Krzysztof Kozlowski 2022-06-29 7:52 ` Krzysztof Kozlowski 2022-06-29 7:52 ` Krzysztof Kozlowski [this message] 2022-06-29 7:52 ` [PATCH v5 1/4] dt-bindings: interconnect: qcom,msm8998-cpu-bwmon: add BWMON device Krzysztof Kozlowski 2022-06-29 11:21 ` Rajendra Nayak 2022-06-29 11:21 ` Rajendra Nayak 2022-06-29 11:22 ` Krzysztof Kozlowski 2022-06-29 11:22 ` Krzysztof Kozlowski 2022-06-30 14:26 ` Bjorn Andersson 2022-06-30 14:26 ` Bjorn Andersson 2022-06-29 7:52 ` [PATCH v5 2/4] soc: qcom: icc-bwmon: Add bandwidth monitoring driver Krzysztof Kozlowski 2022-06-29 7:52 ` Krzysztof Kozlowski 2022-06-29 7:52 ` [PATCH v5 3/4] arm64: defconfig: enable Qualcomm Bandwidth Monitor Krzysztof Kozlowski 2022-06-29 7:52 ` Krzysztof Kozlowski 2022-06-29 7:52 ` [PATCH v5 4/4] arm64: dts: qcom: sdm845: Add CPU BWMON Krzysztof Kozlowski 2022-06-29 7:52 ` Krzysztof Kozlowski 2022-06-29 11:22 ` Rajendra Nayak 2022-06-29 11:22 ` Rajendra Nayak 2022-06-29 11:32 ` Krzysztof Kozlowski 2022-06-29 11:32 ` Krzysztof Kozlowski
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