From: Neil Armstrong <neil.armstrong@linaro.org>
Date: Tue, 11 Feb 2025 12:56:38 +0000 (+0100)
Subject: arm64: dts: qcom: sm8650: add cpu interconnect nodes
X-Git-Tag: v6.16-rc1~97^2~20^2~115^2~177
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9658c3963b8a5ebe488acfa2609fc641a126b60;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: sm8650: add cpu interconnect nodes

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 <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250211-topic-sm8650-ddr-bw-scaling-v2-2-a0c950540e68@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
index bc09e879c1440..e194a95cdcc0f 100644
--- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
@@ -15,6 +15,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interconnect/qcom,icc.h>
 #include <dt-bindings/interconnect/qcom,sm8650-rpmh.h>
+#include <dt-bindings/interconnect/qcom,osm-l3.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/mailbox/qcom-ipcc.h>
 #include <dt-bindings/phy/phy-qcom-qmp.h>
@@ -85,6 +86,13 @@
 
 			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 @@
 
 			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 @@
 
 			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 @@
 
 			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 @@
 
 			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 @@
 
 			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 @@
 
 			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 @@
 
 			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 {