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rockchip: limit rk3328 cpu frequency to 1.5 GHz

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Overclocking to 1.6 GHz is very unstable now and causes kernel panic
at boot time.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
This commit is contained in:
Tianling Shen 2024-08-03 17:15:23 +08:00
parent 7e94fcb899
commit de55e7750d
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GPG Key ID: 6850B6345C862176
1 changed files with 1 additions and 6 deletions
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7
target/linux/rockchip/patches-6.6/991-arm64-dts-rockchip-add-more-cpu-operating-points-for.patch
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@ -20,7 +20,7 @@ Signed-off-by: Leonidas P. Papadakos <papadakospan@gmail.com>
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -143,6 +143,21 @@ @@ -143,6 +143,16 @@
opp-microvolt = <1300000>; opp-microvolt = <1300000>;
clock-latency-ns = <40000>; clock-latency-ns = <40000>;
}; };
@ -33,11 +33,6 @@ Signed-off-by: Leonidas P. Papadakos <papadakospan@gmail.com>
+ opp-hz = /bits/ 64 <1512000000>; + opp-hz = /bits/ 64 <1512000000>;
+ opp-microvolt = <1450000>; + opp-microvolt = <1450000>;
+ clock-latency-ns = <40000>; + clock-latency-ns = <40000>;
+ };
+ opp-1608000000 {
+ opp-hz = /bits/ 64 <1608000000>;
+ opp-microvolt = <1450000>;
+ clock-latency-ns = <40000>;
+ }; + };
}; };