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Subject[PATCH v2 06/16] arm64: dts: mt7622: add cpufreq related device nodes
Date
From: Sean Wang <sean.wang@mediatek.com>

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>
---
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 12 +++++++
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 49 ++++++++++++++++++++++++++++
2 files changed, 61 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index 4615af6..bbf4d03 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -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>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index c387c4c..65eb417 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -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 +82,7 @@
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x1>;
+ operating-points-v2 = <&cpu_opp_table>;
enable-method = "psci";
clock-frequency = <1300000000>;
};
--
2.7.4
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