ARM: dts: sun8i: add opp-v2 table for A33

An operating point table is needed for the cpu frequency adjusting to
work.

The operating point table is converted from the common value in
extracted script.fex from many A33 board/tablets.

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
index 63d5181ffff825669330802c18c31cc6c9f3786e..5a9ba43ccb077ac5da523588e69ab829622d12e6 100644 (file)
--- a/arch/arm/boot/dts/sun8i-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a33.dtsi
@@ -45,7 +45,42 @@
 #include "sun8i-a23-a33.dtsi"
 
 / {
+       cpu0_opp_table: opp_table0 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp@648000000 {
+                       opp-hz = /bits/ 64 <648000000>;
+                       opp-microvolt = <1040000>;
+                       clock-latency-ns = <244144>; /* 8 32k periods */
+               };
+
+               opp@816000000 {
+                       opp-hz = /bits/ 64 <816000000>;
+                       opp-microvolt = <1100000>;
+                       clock-latency-ns = <244144>; /* 8 32k periods */
+               };
+
+               opp@1008000000 {
+                       opp-hz = /bits/ 64 <1008000000>;
+                       opp-microvolt = <1200000>;
+                       clock-latency-ns = <244144>; /* 8 32k periods */
+               };
+
+               opp@1200000000 {
+                       opp-hz = /bits/ 64 <1200000000>;
+                       opp-microvolt = <1320000>;
+                       clock-latency-ns = <244144>; /* 8 32k periods */
+               };
+       };
+
        cpus {
+               cpu@0 {
+                       clocks = <&ccu CLK_CPUX>;
+                       clock-names = "cpu";
+                       operating-points-v2 = <&cpu0_opp_table>;
+               };
+
                cpu@2 {
                        compatible = "arm,cortex-a7";
                        device_type = "cpu";