| Message ID | fbd343f731973f532496c2ccfe65e6b487a14db3.1697600121.git.quic_varada@quicinc.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Enable cpufreq for IPQ5332 & IPQ9574 | expand |
On 10/18/23 11:29, Varadarajan Narayanan wrote: > IPQ53xx have different OPPs available for the CPU based on > SoC variant. This can be determined through use of an eFuse > register present in the silicon. > > Add support to read the eFuse and populate the OPPs based on it. > > ------------------------------------------------ > Frequency BIT2 BIT1 opp-supported-hw > 1.1GHz 1.5GHz > ------------------------------------------------ > 1100000000 1 1 0xf BIT(0) | BIT(1) | BIT(2) is 0x7 > 1500000000 0 1 0x3 > ------------------------------------------------ > > Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com> > Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com> > --- > v2: Fix inconsistencies in comment and move it to commit log > as suggested > Remove opp-microvolt entries as no regulator is managed by Linux > cpu_speed_bin -> cpu-speed-bin in node name > Remove "nvmem-cell-names" due to dtbs_check error > --- > arch/arm64/boot/dts/qcom/ipq5332.dtsi | 19 ++++++++++++++++--- > 1 file changed, 16 insertions(+), 3 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi > index 4206f05..a0dcba3 100644 > --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi > +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi > @@ -91,11 +91,19 @@ > }; > > cpu_opp_table: opp-table-cpu { > - compatible = "operating-points-v2"; > + compatible = "operating-points-v2-kryo-cpu"; > opp-shared; > + nvmem-cells = <&cpu_speed_bin>; > > - opp-1488000000 { > - opp-hz = /bits/ 64 <1488000000>; > + opp-1100000000 { > + opp-hz = /bits/ 64 <1100000000>; > + opp-supported-hw = <0xF>; hex literals must be lowercase. Konrad
diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi index 4206f05..a0dcba3 100644 --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi @@ -91,11 +91,19 @@ }; cpu_opp_table: opp-table-cpu { - compatible = "operating-points-v2"; + compatible = "operating-points-v2-kryo-cpu"; opp-shared; + nvmem-cells = <&cpu_speed_bin>; - opp-1488000000 { - opp-hz = /bits/ 64 <1488000000>; + opp-1100000000 { + opp-hz = /bits/ 64 <1100000000>; + opp-supported-hw = <0xF>; + clock-latency-ns = <200000>; + }; + + opp-1500000000 { + opp-hz = /bits/ 64 <1500000000>; + opp-supported-hw = <0x3>; clock-latency-ns = <200000>; }; }; @@ -163,6 +171,11 @@ reg = <0x000a4000 0x721>; #address-cells = <1>; #size-cells = <1>; + + cpu_speed_bin: cpu-speed-bin@1d { + reg = <0x1d 0x2>; + bits = <7 2>; + }; }; rng: rng@e3000 {