[PATCH 2/4] arm64: dts: rockchip: Arch counter doesn't tick in system suspend

Daniel Lezcano daniel.lezcano at linaro.org
Tue Nov 22 01:44:22 PST 2016

From: Brian Norris <briannorris at chromium.org>

The "arm,no-tick-in-suspend" property was introduced to note
implementations where the system counter does not quite follow the ARM
specification that it "must be implemented in an always-on power

Particularly, RK3399's counter stops ticking when we switch from the
24MHz clock to the 32KHz clock in low-power suspend, so let's mark it as

Signed-off-by: Brian Norris <briannorris at chromium.org>
Reviewed-by: Douglas Anderson <dianders at chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano at linaro.org>
 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index b65c193..d85b651 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -174,6 +174,7 @@
 			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW 0>,
 			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW 0>,
 			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
+		arm,no-tick-in-suspend;
 	xin24m: xin24m {

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