From: qianfan Zhao <qianfanguijin@xxxxxxx>
OPP table value is get from allwinner lichee linux-3.10 kernel driver
Signed-off-by: qianfan Zhao <qianfanguijin@xxxxxxx>
---
arch/arm/boot/dts/sun8i-r40.dtsi | 42 ++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 291f4784e86c..8949153eb0eb 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -54,6 +54,36 @@ / {
#size-cells = <1>;
interrupt-parent = <&gic>;
+ cpu0_opp_table: opp_table0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-720000000 {
+ opp-hz = /bits/ 64 <720000000>;
+ opp-microvolt = <1000000 1000000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+
+ opp-912000000 {
+ opp-hz = /bits/ 64 <912000000>;
+ opp-microvolt = <1100000 1100000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+
+ opp-1008000000 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <1160000 1160000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+
+ /* The opp table of the cpu frequency that exceeds 1G
+ * is not defined here. They require higher operating
+ * current, which may exceed the 500mA limited if the
+ * system is powered by USB. You can add them to the
+ * board's DTS is you make sure.
+ */
+ };
+
clocks {
#address-cells = <1>;
#size-cells = <1>;
@@ -84,24 +114,36 @@ cpu0: cpu@0 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <0>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu1: cpu@1 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <1>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu2: cpu@2 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <2>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu3: cpu@3 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <3>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
};
--
2.25.1
