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

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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>
This commit is contained in:
Icenowy Zheng 2016-12-16 02:27:54 +08:00 • committed by Maxime Ripard
parent 90f6e8f4a3
commit 03749eb88e
1 changed files with 35 additions and 0 deletions
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35
arch/arm/boot/dts/sun8i-a33.dtsi
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@ -45,7 +45,42 @@
#include "sun8i-a23-a33.dtsi" #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 { cpus {
cpu@0 {
clocks = <&ccu CLK_CPUX>;
clock-names = "cpu";
operating-points-v2 = <&cpu0_opp_table>;
};
cpu@2 { cpu@2 {
compatible = "arm,cortex-a7"; compatible = "arm,cortex-a7";
device_type = "cpu"; device_type = "cpu";