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ARM: shmobile: sh73a0 dtsi: Add Cortex-A9 TWD node

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Add a node for the Private Timer and Watchdog, as found in the Cortex-A9
MPCore.

Without this, there's no clocksource available during early kernel
initialization, before cmt1 is initialized, leading to a lock-up if
CONFIG_CPU_IDLE=y.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Simon Horman <[email protected]>
This commit is contained in:
Geert Uytterhoeven 2015-02-17 15:52:39 +01:00 • committed by Simon Horman
commit 3022574385
1 changed files with 8 additions and 0 deletions
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8
arch/arm/boot/dts/sh73a0.dtsi
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@ -11,6 +11,7 @@
/include/ "skeleton.dtsi"
#include <dt-bindings/clock/sh73a0-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
@ -35,6 +36,13 @@
};
};
timer@f0000600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0xf0000600 0x20>;
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
clocks = <&twd_clk>;
};
gic: interrupt-controller@f0001000 {
compatible = "arm,cortex-a9-gic";
#interrupt-cells = <3>;