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arm64: dts: ipq6018: enable DVFS support

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Add A53 PLL, APCS clock, RPM Glink, RPM message RAM, cpu-opp-table,
SMPA2 regulator to enable the cpu frequency on IPQ6018.

Co-developed-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Kathiravan T <kathirav@codeaurora.org>
Link: https://lore.kernel.org/r/1597648720-13649-3-git-send-email-kathirav@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Kathiravan T 2020-08-17 12:48:40 +05:30 committed by Bjorn Andersson
parent 5a8c1669f3
commit 36f91e6316
1 changed files with 93 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

96
arch/arm64/boot/dts/qcom/ipq6018.dtsi
View file

@ -8,6 +8,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,gcc-ipq6018.h>
#include <dt-bindings/reset/qcom,gcc-ipq6018.h>
#include <dt-bindings/clock/qcom,apss-ipq.h>
/ {
#address-cells = <2>;
@ -38,6 +39,10 @@ CPU0: cpu@0 {
reg = <0x0>;
enable-method = "psci";
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
cpu-supply = <&ipq6018_s2>;
};
CPU1: cpu@1 {
@ -46,6 +51,10 @@ CPU1: cpu@1 {
enable-method = "psci";
reg = <0x1>;
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
cpu-supply = <&ipq6018_s2>;
};
CPU2: cpu@2 {
@ -54,6 +63,10 @@ CPU2: cpu@2 {
enable-method = "psci";
reg = <0x2>;
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
cpu-supply = <&ipq6018_s2>;
};
CPU3: cpu@3 {
@ -62,6 +75,10 @@ CPU3: cpu@3 {
enable-method = "psci";
reg = <0x3>;
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
cpu-supply = <&ipq6018_s2>;
};
L2_0: l2-cache {
@ -70,6 +87,42 @@ L2_0: l2-cache {
};
};
cpu_opp_table: cpu_opp_table {
compatible = "operating-points-v2";
opp-shared;
opp-864000000 {
opp-hz = /bits/ 64 <864000000>;
opp-microvolt = <725000>;
clock-latency-ns = <200000>;
};
opp-1056000000 {
opp-hz = /bits/ 64 <1056000000>;
opp-microvolt = <787500>;
clock-latency-ns = <200000>;
};
opp-1320000000 {
opp-hz = /bits/ 64 <1320000000>;
opp-microvolt = <862500>;
clock-latency-ns = <200000>;
};
opp-1440000000 {
opp-hz = /bits/ 64 <1440000000>;
opp-microvolt = <925000>;
clock-latency-ns = <200000>;
};
opp-1608000000 {
opp-hz = /bits/ 64 <1608000000>;
opp-microvolt = <987500>;
clock-latency-ns = <200000>;
};
opp-1800000000 {
opp-hz = /bits/ 64 <1800000000>;
opp-microvolt = <1062500>;
clock-latency-ns = <200000>;
};
};
firmware {
scm {
compatible = "qcom,scm";
@ -98,6 +151,11 @@ reserved-memory {
#size-cells = <2>;
ranges;
rpm_msg_ram: memory@0x60000 {
reg = <0x0 0x60000 0x0 0x6000>;
no-map;
};
tz: tz@48500000 {
reg = <0x0 0x48500000 0x0 0x00200000>;
no-map;
@ -294,12 +352,22 @@ watchdog@b017000 {
};
apcs_glb: mailbox@b111000 {
compatible = "qcom,ipq8074-apcs-apps-global";
reg = <0x0b111000 0xc>;
compatible = "qcom,ipq6018-apcs-apps-global";
reg = <0x0b111000 0x1000>;
#clock-cells = <1>;
clocks = <&a53pll>, <&xo>;
clock-names = "pll", "xo";
#mbox-cells = <1>;
};
a53pll: clock@b116000 {
compatible = "qcom,ipq6018-a53pll";
reg = <0x0b116000 0x40>;
#clock-cells = <0>;
clocks = <&xo>;
clock-names = "xo";
};
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
@ -440,4 +508,26 @@ wcss_smp2p_in: slave-kernel {
#interrupt-cells = <2>;
};
};
rpm-glink {
compatible = "qcom,glink-rpm";
interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
qcom,rpm-msg-ram = <&rpm_msg_ram>;
mboxes = <&apcs_glb 0>;
rpm_requests: glink-channel {
compatible = "qcom,rpm-ipq6018";
qcom,glink-channels = "rpm_requests";
regulators {
compatible = "qcom,rpm-mp5496-regulators";
ipq6018_s2: s2 {
regulator-min-microvolt = <725000>;
regulator-max-microvolt = <1062500>;
regulator-always-on;
};
};
};
};
};