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[Patch v2 6/9] arm64: tegra: Add cpu OPP tables and interconnects property

Sumit Gupta posted 9 patches 2 years, 6 months ago
There is a newer version of this series
[Patch v2 6/9] arm64: tegra: Add cpu OPP tables and interconnects property
Posted by Sumit Gupta 2 years, 6 months ago 
Add OPP table and interconnects property to scale DDR frequency with
CPU frequency for better performance. Each operating point entry of
the OPP table has CPU freq to per MC channel bandwidth mapping.
One table is added for each cluster even though the table data is
same because the bandwidth request is per cluster. This is done
because OPP framework creates a single icc path and hence single
bandwidth request if the table is marked as 'opp-shared' and shared
among all clusters. For us, the OPP table data is same but the MC
Client ID argument to interconnects property is different for each
cluster. So, having per cluster table makes different icc path for
each cluster and helps to make per cluster BW requests.

Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra234.dtsi | 276 +++++++++++++++++++++++
 1 file changed, 276 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index 8fe8eda7654d..e995df13277d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -3013,6 +3013,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl0_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER0 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3029,6 +3032,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl0_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER0 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3045,6 +3051,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl0_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER0 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3061,6 +3070,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl0_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER0 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3077,6 +3089,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl1_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER1 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3093,6 +3108,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl1_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER1 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3109,6 +3127,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl1_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER1 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3125,6 +3146,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl1_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER1 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3141,6 +3165,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl2_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER2 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3157,6 +3184,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl2_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER2 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3173,6 +3203,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl2_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER2 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3189,6 +3222,9 @@
 
 			enable-method = "psci";
 
+			operating-points-v2 = <&cl2_opp_tbl>;
+			interconnects = <&mc TEGRA_ICC_MC_CPU_CLUSTER2 &emc>;
+
 			i-cache-size = <65536>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <256>;
@@ -3445,4 +3481,244 @@
 		interrupt-parent = <&gic>;
 		always-on;
 	};
+
+	cl0_opp_tbl: opp-table-cluster0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		cl0_ch1_opp1: opp-115200000 {
+			  opp-hz = /bits/ 64 <115200000>;
+			  opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp2: opp-268800000 {
+			opp-hz = /bits/ 64 <268800000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp3: opp-422400000 {
+			opp-hz = /bits/ 64 <422400000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp4: opp-576000000 {
+			opp-hz = /bits/ 64 <576000000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp5: opp-729600000 {
+			opp-hz = /bits/ 64 <729600000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp6: opp-883200000 {
+			opp-hz = /bits/ 64 <883200000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp7: opp-1036800000 {
+			opp-hz = /bits/ 64 <1036800000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp8: opp-1190400000 {
+			opp-hz = /bits/ 64 <1190400000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl0_ch1_opp9: opp-1344000000 {
+			opp-hz = /bits/ 64 <1344000000>;
+			opp-peak-kBps = <1632000>;
+		};
+
+		cl0_ch1_opp10: opp-1497600000 {
+			opp-hz = /bits/ 64 <1497600000>;
+			opp-peak-kBps = <1632000>;
+		};
+
+		cl0_ch1_opp11: opp-1651200000 {
+			opp-hz = /bits/ 64 <1651200000>;
+			opp-peak-kBps = <2660000>;
+		};
+
+		cl0_ch1_opp12: opp-1804800000 {
+			opp-hz = /bits/ 64 <1804800000>;
+			opp-peak-kBps = <2660000>;
+		};
+
+		cl0_ch1_opp13: opp-1958400000 {
+			opp-hz = /bits/ 64 <1958400000>;
+			opp-peak-kBps = <3200000>;
+		};
+
+		cl0_ch1_opp14: opp-2112000000 {
+			opp-hz = /bits/ 64 <2112000000>;
+			opp-peak-kBps = <6400000>;
+		};
+
+		cl0_ch1_opp15: opp-2201600000 {
+			opp-hz = /bits/ 64 <2201600000>;
+			opp-peak-kBps = <6400000>;
+		};
+	};
+
+	cl1_opp_tbl: opp-table-cluster1 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		cl1_ch1_opp1: opp-115200000 {
+			  opp-hz = /bits/ 64 <115200000>;
+			  opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp2: opp-268800000 {
+			opp-hz = /bits/ 64 <268800000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp3: opp-422400000 {
+			opp-hz = /bits/ 64 <422400000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp4: opp-576000000 {
+			opp-hz = /bits/ 64 <576000000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp5: opp-729600000 {
+			opp-hz = /bits/ 64 <729600000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp6: opp-883200000 {
+			opp-hz = /bits/ 64 <883200000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp7: opp-1036800000 {
+			opp-hz = /bits/ 64 <1036800000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp8: opp-1190400000 {
+			opp-hz = /bits/ 64 <1190400000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl1_ch1_opp9: opp-1344000000 {
+			opp-hz = /bits/ 64 <1344000000>;
+			opp-peak-kBps = <1632000>;
+		};
+
+		cl1_ch1_opp10: opp-1497600000 {
+			opp-hz = /bits/ 64 <1497600000>;
+			opp-peak-kBps = <1632000>;
+		};
+
+		cl1_ch1_opp11: opp-1651200000 {
+			opp-hz = /bits/ 64 <1651200000>;
+			opp-peak-kBps = <2660000>;
+		};
+
+		cl1_ch1_opp12: opp-1804800000 {
+			opp-hz = /bits/ 64 <1804800000>;
+			opp-peak-kBps = <2660000>;
+		};
+
+		cl1_ch1_opp13: opp-1958400000 {
+			opp-hz = /bits/ 64 <1958400000>;
+			opp-peak-kBps = <3200000>;
+		};
+
+		cl1_ch1_opp14: opp-2112000000 {
+			opp-hz = /bits/ 64 <2112000000>;
+			opp-peak-kBps = <6400000>;
+		};
+
+		cl1_ch1_opp15: opp-2201600000 {
+			opp-hz = /bits/ 64 <2201600000>;
+			opp-peak-kBps = <6400000>;
+		};
+	};
+
+	cl2_opp_tbl: opp-table-cluster2 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		cl2_ch1_opp1: opp-115200000 {
+			  opp-hz = /bits/ 64 <115200000>;
+			  opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp2: opp-268800000 {
+			opp-hz = /bits/ 64 <268800000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp3: opp-422400000 {
+			opp-hz = /bits/ 64 <422400000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp4: opp-576000000 {
+			opp-hz = /bits/ 64 <576000000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp5: opp-729600000 {
+			opp-hz = /bits/ 64 <729600000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp6: opp-883200000 {
+			opp-hz = /bits/ 64 <883200000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp7: opp-1036800000 {
+			opp-hz = /bits/ 64 <1036800000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp8: opp-1190400000 {
+			opp-hz = /bits/ 64 <1190400000>;
+			opp-peak-kBps = <816000>;
+		};
+
+		cl2_ch1_opp9: opp-1344000000 {
+			opp-hz = /bits/ 64 <1344000000>;
+			opp-peak-kBps = <1632000>;
+		};
+
+		cl2_ch1_opp10: opp-1497600000 {
+			opp-hz = /bits/ 64 <1497600000>;
+			opp-peak-kBps = <1632000>;
+		};
+
+		cl2_ch1_opp11: opp-1651200000 {
+			opp-hz = /bits/ 64 <1651200000>;
+			opp-peak-kBps = <2660000>;
+		};
+
+		cl2_ch1_opp12: opp-1804800000 {
+			opp-hz = /bits/ 64 <1804800000>;
+			opp-peak-kBps = <2660000>;
+		};
+
+		cl2_ch1_opp13: opp-1958400000 {
+			opp-hz = /bits/ 64 <1958400000>;
+			opp-peak-kBps = <3200000>;
+		};
+
+		cl2_ch1_opp14: opp-2112000000 {
+			opp-hz = /bits/ 64 <2112000000>;
+			opp-peak-kBps = <6400000>;
+		};
+
+		cl2_ch1_opp15: opp-2201600000 {
+			opp-hz = /bits/ 64 <2201600000>;
+			opp-peak-kBps = <6400000>;
+		};
+	};
 };
-- 
2.17.1

Patchew 2.1-devel-b67e4c2

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