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rockchip: fix memory controller voltage excursion for a sensitive board

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This commit is contained in:
Paolo Sabatino 2026-01-30 23:11:19 +01:00 committed by Paolo
parent 8eae228718
commit 6d84ec9928
4 changed files with 56 additions and 0 deletions
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1
patch/kernel/archive/rockchip-6.18/dt/rk322x-box.dts
View File

@ -210,6 +210,7 @@
regulator-name = "vdd_log";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1300000>;
regulator-settling-time-us = <50>;
regulator-always-on;
regulator-boot-on;
};

27
patch/kernel/archive/rockchip-6.18/overlay/rk322x-led-conf5.dtso
View File

@ -93,5 +93,32 @@
};
};
fragment@6 {
target = <&dmc_opp_table>;
__overlay__ {
compatible = "operating-points-v2";
opp-330000000 {
opp-hz = /bits/ 64 <330000000>;
opp-microvolt = <1100000>;
};
opp-534000000 {
opp-hz = /bits/ 64 <534000000>;
opp-microvolt = <1100000>;
};
opp-660000000 {
opp-hz = /bits/ 64 <660000000>;
opp-microvolt = <1100000>;
};
opp-786000000 {
opp-hz = /bits/ 64 <786000000>;
opp-microvolt = <1150000>;
};
};
};
};

1
patch/kernel/archive/rockchip-6.19/dt/rk322x-box.dts
View File

@ -210,6 +210,7 @@
regulator-name = "vdd_log";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1300000>;
regulator-settling-time-us = <50>;
regulator-always-on;
regulator-boot-on;
};

27
patch/kernel/archive/rockchip-6.19/overlay/rk322x-led-conf5.dtso
View File

@ -93,5 +93,32 @@
};
};
fragment@6 {
target = <&dmc_opp_table>;
__overlay__ {
compatible = "operating-points-v2";
opp-330000000 {
opp-hz = /bits/ 64 <330000000>;
opp-microvolt = <1100000>;
};
opp-534000000 {
opp-hz = /bits/ 64 <534000000>;
opp-microvolt = <1100000>;
};
opp-660000000 {
opp-hz = /bits/ 64 <660000000>;
opp-microvolt = <1100000>;
};
opp-786000000 {
opp-hz = /bits/ 64 <786000000>;
opp-microvolt = <1150000>;
};
};
};
};