* [PATCH] ARM: dts: qcom: ipq4019: fix high resolution timer
@ 2020-04-03 11:40 Robert Marko
0 siblings, 0 replies; only message in thread
From: Robert Marko @ 2020-04-03 11:40 UTC (permalink / raw)
To: agross, bjorn.andersson, robh+dt, mark.rutland, linux-arm-msm,
devicetree, linux-kernel
Cc: Abhishek Sahu, Pavel Kubelun, Christian Lamparter, Robert Marko,
Luka Perkov
From: Abhishek Sahu <absahu@codeaurora.org>
Cherry-picked from CAF QSDK repo.
Original commit message:
The kernel is failing in switching the timer for high resolution
mode and clock source operates in 10ms resolution. The always-on
property needs to be given for timer device tree node to make
clock source working in 1ns resolution.
Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Tested-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
---
arch/arm/boot/dts/qcom-ipq4019.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
index ee45253361cb..b4803a428340 100644
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -166,6 +166,7 @@ timer {
<1 4 0xf08>,
<1 1 0xf08>;
clock-frequency = <48000000>;
+ always-on;
};
soc {
--
2.26.0
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