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arm64: dts: mt7622: add cpufreq related device nodes

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Add clocks, regulators and opp information into cpu nodes.
In addition, the power supply for cpu nodes is deployed on
mt7622-rfb1 board.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Sean Wang 2018-02-18 03:54:41 +08:00 committed by Matthias Brugger
parent c4ff2adeb1
commit a5a80f7865
2 changed files with 64 additions and 0 deletions
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12
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
View File

@ -20,6 +20,18 @@
bootargs = "console=ttyS0,115200n1";
};
cpus {
cpu@0 {
proc-supply = <&mt6380_vcpu_reg>;
sram-supply = <&mt6380_vm_reg>;
};
cpu@1 {
proc-supply = <&mt6380_vcpu_reg>;
sram-supply = <&mt6380_vm_reg>;
};
};
gpio-keys {
compatible = "gpio-keys-polled";
poll-interval = <100>;

52
arch/arm64/boot/dts/mediatek/mt7622.dtsi
View File

@ -18,6 +18,50 @@
#address-cells = <2>;
#size-cells = <2>;
cpu_opp_table: opp-table {
compatible = "operating-points-v2";
opp-shared;
opp-300000000 {
opp-hz = /bits/ 64 <30000000>;
opp-microvolt = <950000>;
};
opp-437500000 {
opp-hz = /bits/ 64 <437500000>;
opp-microvolt = <1000000>;
};
opp-600000000 {
opp-hz = /bits/ 64 <600000000>;
opp-microvolt = <1050000>;
};
opp-812500000 {
opp-hz = /bits/ 64 <812500000>;
opp-microvolt = <1100000>;
};
opp-1025000000 {
opp-hz = /bits/ 64 <1025000000>;
opp-microvolt = <1150000>;
};
opp-1137500000 {
opp-hz = /bits/ 64 <1137500000>;
opp-microvolt = <1200000>;
};
opp-1262500000 {
opp-hz = /bits/ 64 <1262500000>;
opp-microvolt = <1250000>;
};
opp-1350000000 {
opp-hz = /bits/ 64 <1350000000>;
opp-microvolt = <1310000>;
};
};
cpus {
#address-cells = <2>;
#size-cells = <0>;
@ -26,6 +70,10 @@
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x0>;
clocks = <&infracfg CLK_INFRA_MUX1_SEL>,
<&apmixedsys CLK_APMIXED_MAIN_CORE_EN>;
clock-names = "cpu", "intermediate";
operating-points-v2 = <&cpu_opp_table>;
enable-method = "psci";
clock-frequency = <1300000000>;
};
@ -34,6 +82,10 @@
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x1>;
clocks = <&infracfg CLK_INFRA_MUX1_SEL>,
<&apmixedsys CLK_APMIXED_MAIN_CORE_EN>;
clock-names = "cpu", "intermediate";
operating-points-v2 = <&cpu_opp_table>;
enable-method = "psci";
clock-frequency = <1300000000>;
};