linux-kernel - [PATCH V2 2/3] arm64: dts: qcom: qcs8300: Add EPSS l3 interconnect provider node

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Message-ID: <20250711102540.143-3-raviteja.laggyshetty@oss.qualcomm.com>
Date: Fri, 11 Jul 2025 10:25:39 +0000
From: Raviteja Laggyshetty <raviteja.laggyshetty@....qualcomm.com>
To: Georgi Djakov <djakov@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Odelu Kukatla <quic_okukatla@...cinc.com>,
        Mike Tipton <mdtipton@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Raviteja Laggyshetty <raviteja.laggyshetty@....qualcomm.com>
Subject: [PATCH V2 2/3] arm64: dts: qcom: qcs8300: Add EPSS l3 interconnect provider node

Add Epoch Subsystem (EPSS) L3 interconnect provider node for QCS8300 SoC.
As QCS8300 and SA8775P SoCs have same EPSS hardware, added SA8775P
compatible as fallback for QCS8300 EPSS device node.

Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/qcs8300.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs8300.dtsi b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
index 7ada029c32c1..d6a58e228091 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
@@ -12,6 +12,7 @@
 #include <dt-bindings/dma/qcom-gpi.h>
 #include <dt-bindings/firmware/qcom,scm.h>
 #include <dt-bindings/interconnect/qcom,icc.h>
+#include <dt-bindings/interconnect/qcom,osm-l3.h>
 #include <dt-bindings/interconnect/qcom,qcs8300-rpmh.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/mailbox/qcom-ipcc.h>
@@ -5433,6 +5434,15 @@ rpmhpd_opp_turbo_l1: opp-9 {
 			};
 		};
 
+		epss_l3_cl0: interconnect@...90000 {
+			compatible = "qcom,qcs8300-epss-l3", "qcom,sa8775p-epss-l3",
+				     "qcom,epss-l3";
+			reg = <0x0 0x18590000 0x0 0x1000>;
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
+			clock-names = "xo", "alternate";
+			#interconnect-cells = <1>;
+		};
+
 		cpufreq_hw: cpufreq@...91000 {
 			compatible = "qcom,qcs8300-cpufreq-epss", "qcom,cpufreq-epss";
 			reg = <0x0 0x18591000 0x0 0x1000>,
@@ -5455,6 +5465,15 @@ cpufreq_hw: cpufreq@...91000 {
 			#freq-domain-cells = <1>;
 		};
 
+		epss_l3_cl1: interconnect@...92000 {
+			compatible = "qcom,qcs8300-epss-l3", "qcom,sa8775p-epss-l3",
+				     "qcom,epss-l3";
+			reg = <0x0 0x18592000 0x0 0x1000>;
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
+			clock-names = "xo", "alternate";
+			#interconnect-cells = <1>;
+		};
+
 		remoteproc_gpdsp: remoteproc@...00000 {
 			compatible = "qcom,qcs8300-gpdsp-pas", "qcom,sa8775p-gpdsp0-pas";
 			reg = <0x0 0x20c00000 0x0 0x10000>;
-- 
2.43.0