linux-kernel - [RFC PATCH 2/2] arm64: dts: qcom: sa8775p: Add CPU and LLCC BWMON

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Date: Mon, 17 Jun 2024 17:29:40 +0800
From: Tengfei Fan <quic_tengfan@...cinc.com>
To: <krzysztof.kozlowski@...aro.org>, <djakov@...nel.org>, <robh@...nel.org>,
        <conor+dt@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel@...cinc.com>, Tengfei Fan <quic_tengfan@...cinc.com>
Subject: [RFC PATCH 2/2] arm64: dts: qcom: sa8775p: Add CPU and LLCC BWMON

Add CPU and LLCC BWMON nodes and their corresponding opp tables for
SA8775p SoC.
SA8775p has two cpu clusters, with each cluster having a set of
CPU-to-LLCC BWMON registers. Consequently, there are two sets of
CPU-to-LLCC registers.

Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 115 ++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 3808fafd6bec..32dd9fc7c532 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -2885,6 +2885,121 @@ serdes1: phy@...2000 {
 			status = "disabled";
 		};
 
+		pmu@...1000 {
+			compatible = "qcom,sa8775p-llcc-bwmon", "qcom,sc7280-llcc-bwmon";
+			reg = <0x0 0x9091000 0x0 0x1000>;
+			interrupts = <GIC_SPI 620 IRQ_TYPE_LEVEL_HIGH>;
+			interconnects = <&mc_virt MASTER_LLCC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>;
+
+			operating-points-v2 = <&llcc_bwmon_opp_table>;
+
+			llcc_bwmon_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-0 {
+					opp-peak-kBps = <762000>;
+				};
+
+				opp-1 {
+					opp-peak-kBps = <1720000>;
+				};
+
+				opp-2 {
+					opp-peak-kBps = <2086000>;
+				};
+
+				opp-3 {
+					opp-peak-kBps = <2601000>;
+				};
+
+				opp-4 {
+					opp-peak-kBps = <2929000>;
+				};
+
+				opp-5 {
+					opp-peak-kBps = <5931000>;
+				};
+
+				opp-6 {
+					opp-peak-kBps = <6515000>;
+				};
+
+				opp-7 {
+					opp-peak-kBps = <7984000>;
+				};
+
+				opp-8 {
+					opp-peak-kBps = <10437000>;
+				};
+
+				opp-9 {
+					opp-peak-kBps = <12195000>;
+				};
+			};
+		};
+
+		pmu@...5400 {
+			compatible = "qcom,sa8775p-cpu-bwmon", "qcom,sdm845-bwmon";
+			reg = <0x0 0x90b5400 0x0 0x600>;
+			interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>;
+			interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>;
+
+			operating-points-v2 = <&cpu_cluster0_bwmon_opp_table>;
+
+			cpu_cluster0_bwmon_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-0 {
+					opp-peak-kBps = <9155000>;
+				};
+
+				opp-1 {
+					opp-peak-kBps = <12298000>;
+				};
+
+				opp-2 {
+					opp-peak-kBps = <14236000>;
+				};
+
+				opp-3 {
+					opp-peak-kBps = <16265000>;
+				};
+			};
+
+		};
+
+		pmu@...6400 {
+			compatible = "qcom,sa8775p-cpu-bwmon", "qcom,sdm845-bwmon";
+			reg = <0x0 0x90b6400 0x0 0x600>;
+			interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>;
+			interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ACTIVE_ONLY>;
+
+			operating-points-v2 = <&cpu_cluster1_bwmon_opp_table>;
+
+			cpu_cluster1_bwmon_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-0 {
+					opp-peak-kBps = <9155000>;
+				};
+
+				opp-1 {
+					opp-peak-kBps = <12298000>;
+				};
+
+				opp-2 {
+					opp-peak-kBps = <14236000>;
+				};
+
+				opp-3 {
+					opp-peak-kBps = <16265000>;
+				};
+			};
+		};
+
 		llcc: system-cache-controller@...0000 {
 			compatible = "qcom,sa8775p-llcc";
 			reg = <0x0 0x09200000 0x0 0x80000>,
-- 
2.25.1