Re: [PATCH] arm64: dts: mediatek: mt6795: Add CPUX system timer node

From: AngeloGioacchino Del Regno
Date: Wed Sep 14 2022 - 07:01:20 EST


Il 29/07/22 11:35, AngeloGioacchino Del Regno ha scritto:
Add a node for mt6795-systimer: this is necessary to start the
System Timer(s) for all cores, finally making CNTVCT_EL0 usable.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

Hello Matthias,

gentle ping for this one - this has no floating dependencies and it's
verified to work as expected.

Cheers,
Angelo

---
arch/arm64/boot/dts/mediatek/mt6795.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt6795.dtsi b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
index d4842b4a4eb7..46f0e54be766 100644
--- a/arch/arm64/boot/dts/mediatek/mt6795.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
@@ -230,6 +230,14 @@ sysirq: intpol-controller@10200620 {
reg = <0 0x10200620 0 0x20>;
};
+ systimer: timer@10200670 {
+ compatible = "mediatek,mt6795-systimer";
+ reg = <0 0x10200670 0 0x10>;
+ interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&system_clk>;
+ clock-names = "clk13m";
+ };
+
gic: interrupt-controller@10221000 {
compatible = "arm,gic-400";
#interrupt-cells = <3>;