1 files changed, 116 insertions, 0 deletions
diff --git a/target/linux/sifiveu/patches-5.15/0005-riscv-sifive-unleashed-define-opp-table-cpufreq.patch b/target/linux/sifiveu/patches-5.15/0005-riscv-sifive-unleashed-define-opp-table-cpufreq.patch
new file mode 100644
index 0000000000..b5779e09cb
--- /dev/null
+++ b/target/linux/sifiveu/patches-5.15/0005-riscv-sifive-unleashed-define-opp-table-cpufreq.patch
@@ -0,0 +1,116 @@
+From d3cf2859a056273400fbdf9d389b75750ff6ca5e Mon Sep 17 00:00:00 2001
+From: David Abdurachmanov <david.abdurachmanov@sifive.com>
+Date: Fri, 14 May 2021 05:27:51 -0700
+Subject: [PATCH 6/7] riscv: sifive: unleashed: define opp table (cpufreq)
+
+Source: https://github.com/sifive/riscv-linux/commits/dev/paulw/cpufreq-dt-aloe-v5.3-rc4
+
+Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
+---
+ arch/riscv/Kconfig                                 |  8 +++++
+ arch/riscv/boot/dts/sifive/fu540-c000.dtsi         |  5 ++++
+ .../riscv/boot/dts/sifive/hifive-unleashed-a00.dts | 34 ++++++++++++++++++++++
+ 3 files changed, 47 insertions(+)
+
+--- a/arch/riscv/Kconfig
++++ b/arch/riscv/Kconfig
+@@ -565,6 +565,14 @@ config BUILTIN_DTB
+ 	depends on OF
+ 	default y if XIP_KERNEL
+ 
++menu "CPU Power Management"
++
++source "drivers/cpuidle/Kconfig"
++
++source "drivers/cpufreq/Kconfig"
++
++endmenu
++
+ menu "Power management options"
+ 
+ source "kernel/power/Kconfig"
+--- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
++++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
+@@ -30,6 +30,7 @@
+ 			i-cache-size = <16384>;
+ 			reg = <0>;
+ 			riscv,isa = "rv64imac";
++			clocks = <&prci PRCI_CLK_COREPLL>;
+ 			status = "disabled";
+ 			cpu0_intc: interrupt-controller {
+ 				#interrupt-cells = <1>;
+@@ -54,6 +55,7 @@
+ 			reg = <1>;
+ 			riscv,isa = "rv64imafdc";
+ 			tlb-split;
++			clocks = <&prci PRCI_CLK_COREPLL>;
+ 			next-level-cache = <&l2cache>;
+ 			cpu1_intc: interrupt-controller {
+ 				#interrupt-cells = <1>;
+@@ -78,6 +80,7 @@
+ 			reg = <2>;
+ 			riscv,isa = "rv64imafdc";
+ 			tlb-split;
++			clocks = <&prci PRCI_CLK_COREPLL>;
+ 			next-level-cache = <&l2cache>;
+ 			cpu2_intc: interrupt-controller {
+ 				#interrupt-cells = <1>;
+@@ -102,6 +105,7 @@
+ 			reg = <3>;
+ 			riscv,isa = "rv64imafdc";
+ 			tlb-split;
++			clocks = <&prci PRCI_CLK_COREPLL>;
+ 			next-level-cache = <&l2cache>;
+ 			cpu3_intc: interrupt-controller {
+ 				#interrupt-cells = <1>;
+@@ -126,6 +130,7 @@
+ 			reg = <4>;
+ 			riscv,isa = "rv64imafdc";
+ 			tlb-split;
++			clocks = <&prci PRCI_CLK_COREPLL>;
+ 			next-level-cache = <&l2cache>;
+ 			cpu4_intc: interrupt-controller {
+ 				#interrupt-cells = <1>;
+--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
++++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+@@ -84,6 +84,40 @@
+ 			label = "d4";
+ 		};
+ 	};
++
++	fu540_c000_opp_table: opp-table {
++		compatible = "operating-points-v2";
++		opp-shared;
++
++		opp-350000000 {
++			opp-hz = /bits/ 64 <350000000>;
++		};
++		opp-700000000 {
++			opp-hz = /bits/ 64 <700000000>;
++		};
++		opp-999999999 {
++			opp-hz = /bits/ 64 <999999999>;
++		};
++		opp-1400000000 {
++			opp-hz = /bits/ 64 <1400000000>;
++		};
++	};
++};
++
++&cpu0 {
++	operating-points-v2 = <&fu540_c000_opp_table>;
++};
++&cpu1 {
++	operating-points-v2 = <&fu540_c000_opp_table>;
++};
++&cpu2 {
++	operating-points-v2 = <&fu540_c000_opp_table>;
++};
++&cpu3 {
++	operating-points-v2 = <&fu540_c000_opp_table>;
++};
++&cpu4 {
++	operating-points-v2 = <&fu540_c000_opp_table>;
+ };
+ 
+ &uart0 {