summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/r8a7779.dtsi
diff options
context:
space:
mode:
authorGeert Uytterhoeven <geert+renesas@glider.be>2019-12-11 16:52:21 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2019-12-20 18:33:19 +0300
commit8443ffd1bbd5be74e9b12db234746d12e8ea93e2 (patch)
tree9b85669da4b29ad7641c3c0d9e69536b978553a0 /arch/arm/boot/dts/r8a7779.dtsi
parentdf1a0aac0a533e6f3ff843c64a9a0d3b7f37c89c (diff)
downloadlinux-8443ffd1bbd5be74e9b12db234746d12e8ea93e2.tar.xz
ARM: dts: r8a7779: Add device node for ARM global timer
Add a device node for the global timer, which is part of the Cortex-A9 MPCore. The global timer can serve as an accurate (4 ns) clock source for scheduling and delay loops. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20191211135222.26770-4-geert+renesas@glider.be
Diffstat (limited to 'arch/arm/boot/dts/r8a7779.dtsi')
-rw-r--r--arch/arm/boot/dts/r8a7779.dtsi8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index ebf5b7cfe215..63341635bddf 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -68,6 +68,14 @@
<0xf0000100 0x100>;
};
+ timer@f0000200 {
+ compatible = "arm,cortex-a9-global-timer";
+ reg = <0xf0000200 0x100>;
+ interrupts = <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
+ clocks = <&cpg_clocks R8A7779_CLK_ZS>;
+ };
+
timer@f0000600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0xf0000600 0x20>;