arm64: dts: allwinner: a64: Enable A64 timer workaround

As instability in the architectural timer has been observed on multiple
devices using this SoC, inluding the Pine64 and the Orange Pi Win,
enable the workaround in the SoC's device tree.

Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Gbp-Pq: Topic bugfix/arm64
Gbp-Pq: Name arm64-dts-allwinner-a64-Enable-A64-timer-workaround.patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index d3daf90a8715c50b844eb6e6f577aeb2c756991b..7bc32fdb1fe60ef122de98cbb6a3454903c91ae5 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -159,6 +159,7 @@
 
        timer {
                compatible = "arm,armv8-timer";
+               allwinner,erratum-unknown1;
                interrupts = <GIC_PPI 13
                        (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
                             <GIC_PPI 14