Add cpufreq nodes for Apple A11 SoC.
Signed-off-by: Nick Chan <towinchenmi@xxxxxxxxx>
---
arch/arm64/boot/dts/apple/t8015.dtsi | 123 +++++++++++++++++++++++++++
1 file changed, 123 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t8015.dtsi b/arch/arm64/boot/dts/apple/t8015.dtsi
index 8828d830e5be..f93ce2c8b251 100644
--- a/arch/arm64/boot/dts/apple/t8015.dtsi
+++ b/arch/arm64/boot/dts/apple/t8015.dtsi
@@ -58,6 +58,9 @@ cpu_e0: cpu@0 {
compatible = "apple,mistral";
reg = <0x0 0x0>;
cpu-release-addr = <0 0>; /* To be filled by loader */
+ performance-domains = <&cpufreq_e>;
+ operating-points-v2 = <&mistral_opp>;
+ capacity-dmips-mhz = <633>;
enable-method = "spin-table";
device_type = "cpu";
};
@@ -66,6 +69,9 @@ cpu_e1: cpu@1 {
compatible = "apple,mistral";
reg = <0x0 0x1>;
cpu-release-addr = <0 0>; /* To be filled by loader */
+ performance-domains = <&cpufreq_e>;
+ operating-points-v2 = <&mistral_opp>;
+ capacity-dmips-mhz = <633>;
enable-method = "spin-table";
device_type = "cpu";
};
@@ -74,6 +80,9 @@ cpu_e2: cpu@2 {
compatible = "apple,mistral";
reg = <0x0 0x2>;
cpu-release-addr = <0 0>; /* To be filled by loader */
+ performance-domains = <&cpufreq_e>;
+ operating-points-v2 = <&mistral_opp>;
+ capacity-dmips-mhz = <633>;
enable-method = "spin-table";
device_type = "cpu";
};
@@ -82,6 +91,9 @@ cpu_e3: cpu@3 {
compatible = "apple,mistral";
reg = <0x0 0x3>;
cpu-release-addr = <0 0>; /* To be filled by loader */
+ performance-domains = <&cpufreq_e>;
+ operating-points-v2 = <&mistral_opp>;
+ capacity-dmips-mhz = <633>;
enable-method = "spin-table";
device_type = "cpu";
};
@@ -90,6 +102,9 @@ cpu_p0: cpu@10004 {
compatible = "apple,monsoon";
reg = <0x0 0x10004>;
cpu-release-addr = <0 0>; /* To be filled by loader */
+ performance-domains = <&cpufreq_p>;
+ operating-points-v2 = <&monsoon_opp>;
+ capacity-dmips-mhz = <1024>;
enable-method = "spin-table";
device_type = "cpu";
};
@@ -98,11 +113,107 @@ cpu_p1: cpu@10005 {
compatible = "apple,monsoon";
reg = <0x0 0x10005>;
cpu-release-addr = <0 0>; /* To be filled by loader */
+ performance-domains = <&cpufreq_p>;
+ operating-points-v2 = <&monsoon_opp>;
+ capacity-dmips-mhz = <1024>;
enable-method = "spin-table";
device_type = "cpu";
};
};
+ mistral_opp: opp-table-0 {
+ compatible = "operating-points-v2";
+
+ opp01 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-level = <1>;
+ clock-latency-ns = <1800>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <453000000>;
+ opp-level = <2>;
+ clock-latency-ns = <140000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <672000000>;
+ opp-level = <3>;
+ clock-latency-ns = <105000>;
+ };
+ opp04 {
+ opp-hz = /bits/ 64 <972000000>;
+ opp-level = <4>;
+ clock-latency-ns = <115000>;
+ };
+ opp05 {
+ opp-hz = /bits/ 64 <1272000000>;
+ opp-level = <5>;
+ clock-latency-ns = <125000>;
+ };
+ opp06 {
+ opp-hz = /bits/ 64 <1572000000>;
+ opp-level = <6>;
+ clock-latency-ns = <135000>;
+ };
+#if 0
+ /* Not available until CPU deep sleep is implemented */
+ opp07 {
+ opp-hz = /bits/ 64 <1680000000>;
+ opp-level = <7>;
+ clock-latency-ns = <135000>;
+ turbo-mode;
+ };
+#endif
+ };
+
+ monsoon_opp: opp-table-1 {
+ compatible = "operating-points-v2";
+
+ opp01 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-level = <1>;
+ clock-latency-ns = <1400>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <453000000>;
+ opp-level = <2>;
+ clock-latency-ns = <140000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <853000000>;
+ opp-level = <3>;
+ clock-latency-ns = <110000>;
+ };
+ opp04 {
+ opp-hz = /bits/ 64 <1332000000>;
+ opp-level = <4>;
+ clock-latency-ns = <110000>;
+ };
+ opp05 {
+ opp-hz = /bits/ 64 <1812000000>;
+ opp-level = <5>;
+ clock-latency-ns = <125000>;
+ };
+ opp06 {
+ opp-hz = /bits/ 64 <2064000000>;
+ opp-level = <6>;
+ clock-latency-ns = <130000>;
+ };
+ opp07 {
+ opp-hz = /bits/ 64 <2304000000>;
+ opp-level = <7>;
+ clock-latency-ns = <140000>;
+ };
+#if 0
+ /* Not available until CPU deep sleep is implemented */
+ opp08 {
+ opp-hz = /bits/ 64 <2376000000>;
+ opp-level = <8>;
+ clock-latency-ns = <140000>;
+ turbo-mode;
+ };
+#endif
+ };
+
soc {
compatible = "simple-bus";
#address-cells = <2>;
@@ -110,6 +221,18 @@ soc {
nonposted-mmio;
ranges;
+ cpufreq_e: performance-controller@208e20000 {
+ compatible = "apple,t8015-cluster-cpufreq", "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq";
+ reg = <0x2 0x08e20000 0 0x1000>;
+ #performance-domain-cells = <0>;
+ };
+
+ cpufreq_p: performance-controller@208ea0000 {
+ compatible = "apple,t8015-cluster-cpufreq", "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq";
+ reg = <0x2 0x08ea0000 0 0x1000>;
+ #performance-domain-cells = <0>;
+ };
+
serial0: serial@22e600000 {
compatible = "apple,s5l-uart";
reg = <0x2 0x2e600000 0x0 0x4000>;
--
2.47.1
