Specifies two voltage ranges, in order of increasing stability, for each OPP. This is heavily inspired by https://github.com/Tina-Linux/linux-5.4/blob/master/arch/riscv/boot/dts/sunxi/sun20iw1p1.dtsi#L118-L133 and https://github.com/mangopi-sbc/tina-linux-5.4/blob/0d4903ebd9d2194ad914686d5b0fc1ddacf11a9d/arch/riscv/boot/dts/sunxi/sun20iw1p1.dtsi#L118-L182 Signed-off-by: Brandon Cheo Fusi <fusibrandon13@xxxxxxxxx> --- arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi index 2f1771c19..8e7bc8bd0 100644 --- a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi @@ -48,13 +48,17 @@ opp_table_cpu: opp-table-cpu { opp-408000000 { clock-latency-ns = <244144>; /* 8 32k periods */ opp-hz = /bits/ 64 <408000000>; - opp-microvolt-speed0 = <900000 900000 1100000>; + + opp-microvolt-speed0 = <950000 900000 1100000>; + opp-microvolt-speed1 = <900000 900000 1100000>; }; opp-1080000000 { clock-latency-ns = <244144>; /* 8 32k periods */ opp-hz = /bits/ 64 <1008000000>; - opp-microvolt-speed0 = <900000 900000 1100000>; + + opp-microvolt-speed0 = <1100000 900000 1100000>; + opp-microvolt-speed1 = <950000 900000 1100000>; }; }; -- 2.30.2
