[PATCH 2/2] ARM: dts: uniphier: add CPU clocks and OPP table for PXs2 SoC
Masahiro Yamada
yamada.masahiro at socionext.com
Wed Oct 26 09:37:39 PDT 2016
Add a CPU clock to every CPU node and a CPU OPP table to use the
generic cpufreq driver.
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---
arch/arm/boot/dts/uniphier-pxs2.dtsi | 46 ++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm/boot/dts/uniphier-pxs2.dtsi b/arch/arm/boot/dts/uniphier-pxs2.dtsi
index 950f07b..83ba3e6 100644
--- a/arch/arm/boot/dts/uniphier-pxs2.dtsi
+++ b/arch/arm/boot/dts/uniphier-pxs2.dtsi
@@ -56,32 +56,78 @@
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0>;
+ clocks = <&sys_clk 32>;
enable-method = "psci";
next-level-cache = <&l2>;
+ operating-points-v2 = <&cpu_opp>;
};
cpu at 1 {
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <1>;
+ clocks = <&sys_clk 32>;
enable-method = "psci";
next-level-cache = <&l2>;
+ operating-points-v2 = <&cpu_opp>;
};
cpu at 2 {
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <2>;
+ clocks = <&sys_clk 32>;
enable-method = "psci";
next-level-cache = <&l2>;
+ operating-points-v2 = <&cpu_opp>;
};
cpu at 3 {
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <3>;
+ clocks = <&sys_clk 32>;
enable-method = "psci";
next-level-cache = <&l2>;
+ operating-points-v2 = <&cpu_opp>;
+ };
+ };
+
+ cpu_opp: opp_table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp at 100000000 {
+ opp-hz = /bits/ 64 <100000000>;
+ clock-latency-ns = <300>;
+ };
+ opp at 150000000 {
+ opp-hz = /bits/ 64 <150000000>;
+ clock-latency-ns = <300>;
+ };
+ opp at 200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ clock-latency-ns = <300>;
+ };
+ opp at 300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ clock-latency-ns = <300>;
+ };
+ opp at 400000000 {
+ opp-hz = /bits/ 64 <400000000>;
+ clock-latency-ns = <300>;
+ };
+ opp at 600000000 {
+ opp-hz = /bits/ 64 <600000000>;
+ clock-latency-ns = <300>;
+ };
+ opp at 800000000 {
+ opp-hz = /bits/ 64 <800000000>;
+ clock-latency-ns = <300>;
+ };
+ opp at 1200000000 {
+ opp-hz = /bits/ 64 <1200000000>;
+ clock-latency-ns = <300>;
};
};
--
1.9.1
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