MTU2 multi-function/multi-channel timer/counter is not enabled for GR-Peach board. The timer is used as clock event source to schedule wake-ups, and without this enabled all sleeps not performed through busy waiting hang the board.
Signed-off-by: Jacopo Mondi <jacopo+rene...@jmondi.org> --- arch/arm/boot/dts/r7s72100-gr-peach.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/r7s72100-gr-peach.dts b/arch/arm/boot/dts/r7s72100-gr-peach.dts index 20309ac..ad6a627 100644 --- a/arch/arm/boot/dts/r7s72100-gr-peach.dts +++ b/arch/arm/boot/dts/r7s72100-gr-peach.dts @@ -78,6 +78,10 @@ clock-frequency = <48000000>; }; +&mtu2 { + status = "okay"; +}; + &scif2 { pinctrl-names = "default"; pinctrl-0 = <&scif2_pins>; -- 2.7.4