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authorGeert Uytterhoeven <geert+renesas@glider.be>2019-12-11 14:52:21 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:36:39 +0100
commit069d2385f381034ddc7218fa0df360d44a995238 (patch)
tree9a10077dd4bc8d3dbf0da60960f37610e80ba9c7
parentf9b42cb09d8ba6f480b0ae9e21ac7b2ed54db58d (diff)
ARM: dts: r8a7779: Add device node for ARM global timer
[ Upstream commit 8443ffd1bbd5be74e9b12db234746d12e8ea93e2 ] 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 Signed-off-by: Sasha Levin <sashal@kernel.org>
-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>;