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authorGeert Uytterhoeven <geert+renesas@glider.be>2015-02-17 17:52:39 +0300
committerSimon Horman <horms+renesas@verge.net.au>2015-02-24 02:22:48 +0300
commit30225743852ed5c3e732d7debe6c1f473c807d62 (patch)
treecd0bedd08dcdc49eabec4d39d6488b6517304cf0
parent7a91cc14f3ff6c70855d25fe7b7c0592ab023050 (diff)
downloadlinux-30225743852ed5c3e732d7debe6c1f473c807d62.tar.xz
ARM: shmobile: sh73a0 dtsi: Add Cortex-A9 TWD node
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 <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r--arch/arm/boot/dts/sh73a0.dtsi8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index 70b694f09fd5..0b933e254d19 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -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>;