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https://github.com/armbian/build
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29317c6f7e
* import new layout for libreelec patches (no more mbox) * refactor existing patches to kernel 6.17 * fix uboot issue causing VOP IOMMU page fault and no screen
53 lines
921 B
Plaintext
53 lines
921 B
Plaintext
/dts-v1/;
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/plugin/;
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/ {
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/*
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Device tree overlay that tries to overcome issues on power regulators (expecially ARM
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power regulator) increasing lowest voltage and adding settling time to allow voltage
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stabilization
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*/
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fragment@0 {
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target = <&cpu0_opp_table>;
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__overlay__ {
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/*
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Increase 600 and 800 Mhz operating points voltage to decrease the range
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between minimum and maximum voltages
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*/
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opp-600000000 {
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opp-hz = /bits/ 64 <600000000>;
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opp-microvolt = <1100000>;
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};
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opp-816000000 {
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opp-hz = /bits/ 64 <816000000>;
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opp-microvolt = <1100000>;
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};
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};
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};
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fragment@1 {
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target = <&vdd_arm>;
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__overlay__ {
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regulator-ramp-delay = <300>; // 30 uV/us, so 0.3v transition settling time is 1ms
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};
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};
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fragment@2 {
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target = <&vdd_log>;
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__overlay__ {
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regulator-ramp-delay = <600>; // 600 uV/us, so 0,3v transition settling time is 0.5ms
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};
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};
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};
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