The highest cpu frequency opps have been dropped because CPR is not
supported. However, we can simply specify operating voltage so that
they match the max corner voltages for each freq. With that, we can
support up to 1.36Ghz. Ideally, msm8916 CPR should be implemented to
fine tune operating voltages and optimize power consumption.
This patch:
- Adds missing opps and corresponding target voltages to msm8916.dtsi.
- Adds cpu-supply to apq8016-sbc.dtsi (board level info).
- Adds pm8916 spmi regulator node to pm8916.dtsi.
Tested with a dragonboard-410c.
Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi | 24 ++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/msm8916.dtsi | 24 ++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/pm8916.dtsi | 6 ++++++
3 files changed, 54 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
index 037e26b..f1c1216 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
@@ -560,6 +560,30 @@
qcom,mbhc-vthreshold-high = <75 150 237 450 500>;
};
+&spm_regulators {
+ vdd_cpu: s2 {
+ regulator-always-on;
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1350000>;
+ };
+};
+
+&CPU0 {
+ cpu-supply = <&vdd_cpu>;
+};
+
+&CPU1 {
+ cpu-supply = <&vdd_cpu>;
+};
+
+&CPU2 {
+ cpu-supply = <&vdd_cpu>;
+};
+
+&CPU3 {
+ cpu-supply = <&vdd_cpu>;
+};
+
&smd_rpm_regulators {
vdd_l1_l2_l3-supply = <&pm8916_s3>;
vdd_l5-supply = <&pm8916_s3>;
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 9f31064..9805af0 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -342,15 +342,39 @@
opp-200000000 {
opp-hz = /bits/ 64 <200000000>;
+ opp-microvolt = <1050000>;
};
opp-400000000 {
opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <1050000>;
+ };
+ opp-533330000 {
+ opp-hz = /bits/ 64 <533330000>;
+ opp-microvolt = <1150000>;
};
opp-800000000 {
opp-hz = /bits/ 64 <800000000>;
+ opp-microvolt = <1150000>;
};
opp-998400000 {
opp-hz = /bits/ 64 <998400000>;
+ opp-microvolt = <1350000>;
+ };
+ opp-1094400000 {
+ opp-hz = /bits/ 64 <1094400000>;
+ opp-microvolt = <1350000>;
+ };
+ opp-1152000000 {
+ opp-hz = /bits/ 64 <1152000000>;
+ opp-microvolt = <1350000>;
+ };
+ opp-1209600000 {
+ opp-hz = /bits/ 64 <1209600000>;
+ opp-microvolt = <1350000>;
+ };
+ opp-1363200000 {
+ opp-hz = /bits/ 64 <1363200000>;
+ opp-microvolt = <1350000>;
};
};
diff --git a/arch/arm64/boot/dts/qcom/pm8916.dtsi b/arch/arm64/boot/dts/qcom/pm8916.dtsi
index 0bcdf04..c9b9c4f 100644
--- a/arch/arm64/boot/dts/qcom/pm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8916.dtsi
@@ -157,5 +157,11 @@
vdd-micbias-supply = <&pm8916_l13>;
#sound-dai-cells = <1>;
};
+
+ spm_regulators: spm_regulators {
+ compatible = "qcom,pm8916-regulators";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
};
};
--
2.7.4
