[PATCH 03/10] arm64: zynqmp: Add operating points
Michal Simek
michal.simek at xilinx.com
Thu Jul 20 05:17:02 PDT 2017
From: Shubhrajyoti Datta <shubhrajyoti.datta at xilinx.com>
Adding operating-points-v2 for zynqmp.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 8e6cf0cf3a69..50636e098724 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -24,6 +24,7 @@
compatible = "arm,cortex-a53", "arm,armv8";
device_type = "cpu";
enable-method = "psci";
+ operating-points-v2 = <&cpu_opp_table>;
reg = <0x0>;
cpu-idle-states = <&CPU_SLEEP_0>;
};
@@ -33,6 +34,7 @@
device_type = "cpu";
enable-method = "psci";
reg = <0x1>;
+ operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
};
@@ -41,6 +43,7 @@
device_type = "cpu";
enable-method = "psci";
reg = <0x2>;
+ operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
};
@@ -49,6 +52,7 @@
device_type = "cpu";
enable-method = "psci";
reg = <0x3>;
+ operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
};
@@ -66,6 +70,31 @@
};
};
+ cpu_opp_table: cpu_opp_table {
+ compatible = "operating-points-v2";
+ opp-shared;
+ opp00 {
+ opp-hz = /bits/ 64 <1199999988>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <500000>;
+ };
+ opp01 {
+ opp-hz = /bits/ 64 <599999994>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <500000>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <399999996>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <500000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <299999997>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <500000>;
+ };
+ };
+
pmu {
compatible = "arm,armv8-pmuv3";
interrupt-parent = <&gic>;
--
1.9.1
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