Add i.MX8QXP CPU opp table to support cpufreq.
Signed-off-by: Anson Huang <[email protected]>
---
Changes since V4:
- remove redundant clock-latency property in A35_0;
- add #cooling-cells for all A35 core.
---
arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 4021f25..fad1259 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -34,6 +34,9 @@
reg = <0x0 0x0>;
enable-method = "psci";
next-level-cache = <&A35_L2>;
+ clocks = <&clk IMX_A35_CLK>;
+ operating-points-v2 = <&a35_0_opp_table>;
+ #cooling-cells = <2>;
};
A35_1: cpu@1 {
@@ -42,6 +45,8 @@
reg = <0x0 0x1>;
enable-method = "psci";
next-level-cache = <&A35_L2>;
+ operating-points-v2 = <&a35_0_opp_table>;
+ #cooling-cells = <2>;
};
A35_2: cpu@2 {
@@ -50,6 +55,8 @@
reg = <0x0 0x2>;
enable-method = "psci";
next-level-cache = <&A35_L2>;
+ operating-points-v2 = <&a35_0_opp_table>;
+ #cooling-cells = <2>;
};
A35_3: cpu@3 {
@@ -58,6 +65,8 @@
reg = <0x0 0x3>;
enable-method = "psci";
next-level-cache = <&A35_L2>;
+ operating-points-v2 = <&a35_0_opp_table>;
+ #cooling-cells = <2>;
};
A35_L2: l2-cache0 {
@@ -65,6 +74,24 @@
};
};
+ a35_0_opp_table: opp-table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-900000000 {
+ opp-hz = /bits/ 64 <900000000>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <150000>;
+ };
+
+ opp-1200000000 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1100000>;
+ clock-latency-ns = <150000>;
+ opp-suspend;
+ };
+ };
+
gic: interrupt-controller@51a00000 {
compatible = "arm,gic-v3";
reg = <0x0 0x51a00000 0 0x10000>, /* GIC Dist */
--
2.7.4
