diff mbox series

[v4,6/8] ARM: mstar: Add OPP table for infinity

Message ID 20220126175604.17919-7-romain.perier@gmail.com (mailing list archive)
State Superseded, archived
Headers show
Series ARM: mstar: cpupll | expand

Commit Message

Romain Perier Jan. 26, 2022, 5:56 p.m. UTC 
From: Daniel Palmer <daniel@0x0f.com>

Add an OPP table for the inifinity chips so
that cpu frequency scaling can happen.

Co-authored-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Reviewed-by: Romain Perier <romain.perier@gmail.com>
---
 arch/arm/boot/dts/mstar-infinity.dtsi | 34 +++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/mstar-infinity.dtsi b/arch/arm/boot/dts/mstar-infinity.dtsi
index 0bee517797f4..441a917b88ba 100644
--- a/arch/arm/boot/dts/mstar-infinity.dtsi
+++ b/arch/arm/boot/dts/mstar-infinity.dtsi
@@ -8,6 +8,40 @@ 
 
 #include <dt-bindings/gpio/msc313-gpio.h>
 
+/ {
+	cpu0_opp_table: opp_table0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-240000000 {
+			opp-hz = /bits/ 64 <240000000>;
+			opp-microvolt = <1000000>;
+			clock-latency-ns = <300000>;
+		};
+
+		opp-400000000 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-microvolt = <1000000>;
+			clock-latency-ns = <300000>;
+		};
+		opp-600000000 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-microvolt = <1000000>;
+			clock-latency-ns = <300000>;
+		};
+
+		opp-800000000 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <1000000>;
+			clock-latency-ns = <300000>;
+		};
+	};
+};
+
+&cpu0 {
+	operating-points-v2 = <&cpu0_opp_table>;
+};
+
 &imi {
 	reg = <0xa0000000 0x16000>;
 };