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arm64: dts: allwinner: A100: Add PMU mode

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Add the Performance Monitoring Unit (PMU) device tree node to the A100
.dtsi, which tells DT users which interrupts are triggered by PMU overflow
events on each core.

Signed-off-by: Yangtao Li <frank@allwinnertech.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Cody Eksal <masterr3c0rd@epochal.quest>
Link: https://patch.msgid.link/20241031070232.1793078-2-masterr3c0rd@epochal.quest
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Yangtao Li
2024-10-31 04:02:14 -03:00
committed by Chen-Yu Tsai
parent 3888715c76
commit 248b20ed03
1 changed files with 12 additions and 3 deletions
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15
arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
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@@ -25,21 +25,21 @@ cpu0: cpu@0 {
enable-method = "psci";
};
cpu@1 {
cpu1: cpu@1 {
compatible = "arm,cortex-a53";
device_type = "cpu";
reg = <0x1>;
enable-method = "psci";
};
cpu@2 {
cpu2: cpu@2 {
compatible = "arm,cortex-a53";
device_type = "cpu";
reg = <0x2>;
enable-method = "psci";
};
cpu@3 {
cpu3: cpu@3 {
compatible = "arm,cortex-a53";
device_type = "cpu";
reg = <0x3>;
@@ -47,6 +47,15 @@ cpu@3 {
};
};
pmu {
compatible = "arm,cortex-a53-pmu";
interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
};
psci {
compatible = "arm,psci-1.0";
method = "smc";