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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>
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
View File

@ -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";