[PATCH 8/8] ARM: mstar: Add OPP table for mercury5

Daniel Palmer daniel at 0x0f.com
Tue Feb 23 01:18:30 EST 2021


Add an OPP table for mercury5 so that cpu frequency scaling can
happen.

Signed-off-by: Daniel Palmer <daniel at 0x0f.com>
---
 arch/arm/boot/dts/mstar-mercury5.dtsi | 36 +++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/mstar-mercury5.dtsi b/arch/arm/boot/dts/mstar-mercury5.dtsi
index a7d0dd9d6132..80a19bd23c9c 100644
--- a/arch/arm/boot/dts/mstar-mercury5.dtsi
+++ b/arch/arm/boot/dts/mstar-mercury5.dtsi
@@ -6,6 +6,42 @@
 
 #include "mstar-v7.dtsi"
 
+/ {
+	cpu0_opp_table: opp_table0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-100000000 {
+			opp-hz = /bits/ 64 <100000000>;
+			opp-microvolt = <800000 800000 850000>;
+			clock-latency-ns = <300000>;
+		};
+
+		opp-200000000 {
+			opp-hz = /bits/ 64 <200000000>;
+			opp-microvolt = <850000 850000 880000>;
+			clock-latency-ns = <300000>;
+		};
+
+		opp-400000000 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-microvolt = <880000 880000 890000>;
+			clock-latency-ns = <300000>;
+		};
+		opp-600000000 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-microvolt = <900000 900000 1000000>;
+			clock-latency-ns = <300000>;
+		};
+
+		opp-800000000 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <900000 900000 1000000>;
+			clock-latency-ns = <300000>;
+		};
+	};
+};
+
 &imi {
 	reg = <0xa0000000 0x20000>;
 };
-- 
2.30.0.rc2




More information about the linux-arm-kernel mailing list