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arm64: dts: qcom: ipq9574: populate the opp table based on the eFuse

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IPQ95xx SoCs have different OPPs available for the CPU based on
SoC variant. This can be determined from an eFuse register
present in the silicon.

Add support to read the eFuse and populate the OPPs based on it.

Frequency	1.2GHz	1.8GHz	1.5GHz	No	opp-supported-hw
					Limit
------------------------------------------------------------
936000000	1	1	1	1	0xf
1104000000	1	1	1	1	0xf
1200000000	1	1	1	1	0xf
1416000000	0	1	1	1	0x7
1488000000	0	1	1	1	0x7
1800000000	0	1	0	1	0x5
2208000000	0	0	0	1	0x1
-----------------------------------------------------------

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Link: https://lore.kernel.org/r/14ab08b7cfd904433ca6065fac798d4f221c9d95.1697781921.git.quic_varada@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Varadarajan Narayanan
2023-10-20 11:49:39 +05:30
committed by Bjorn Andersson
parent 62073bc9f1
commit b36074357b
1 changed files with 20 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
arch/arm64/boot/dts/qcom/ipq9574.dtsi
View File

@@ -106,42 +106,56 @@
};
cpu_opp_table: opp-table-cpu {
compatible = "operating-points-v2";
compatible = "operating-points-v2-kryo-cpu";
opp-shared;
nvmem-cells = <&cpu_speed_bin>;
opp-936000000 {
opp-hz = /bits/ 64 <936000000>;
opp-microvolt = <725000>;
opp-supported-hw = <0xf>;
clock-latency-ns = <200000>;
};
opp-1104000000 {
opp-hz = /bits/ 64 <1104000000>;
opp-microvolt = <787500>;
opp-supported-hw = <0xf>;
clock-latency-ns = <200000>;
};
opp-1200000000 {
opp-hz = /bits/ 64 <1200000000>;
opp-microvolt = <862500>;
opp-supported-hw = <0xf>;
clock-latency-ns = <200000>;
};
opp-1416000000 {
opp-hz = /bits/ 64 <1416000000>;
opp-microvolt = <862500>;
opp-supported-hw = <0x7>;
clock-latency-ns = <200000>;
};
opp-1488000000 {
opp-hz = /bits/ 64 <1488000000>;
opp-microvolt = <925000>;
opp-supported-hw = <0x7>;
clock-latency-ns = <200000>;
};
opp-1800000000 {
opp-hz = /bits/ 64 <1800000000>;
opp-microvolt = <987500>;
opp-supported-hw = <0x5>;
clock-latency-ns = <200000>;
};
opp-2208000000 {
opp-hz = /bits/ 64 <2208000000>;
opp-microvolt = <1062500>;
opp-supported-hw = <0x1>;
clock-latency-ns = <200000>;
};
};
@@ -223,6 +237,11 @@
reg = <0x000a4000 0x5a1>;
#address-cells = <1>;
#size-cells = <1>;
cpu_speed_bin: cpu-speed-bin@15 {
reg = <0x15 0x2>;
bits = <7 2>;
};
};
cryptobam: dma-controller@704000 {