[PATCH/RFC 3/4] ARM: dts: r8a7779: Add device node for ARM global timer
From: geert+renesas@glider.be (Geert Uytterhoeven)
Date: 2018-07-31 16:08:54
Also in:
linux-devicetree, linux-renesas-soc
Subsystem:
the rest · Maintainer:
Linus Torvalds
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> --- arch/arm/boot/dts/r8a7779.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 03919714645ae56d..f1c9b2bc542c5be9 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi@@ -68,6 +68,14 @@ <0xf0000100 0x100>; }; + timer at 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 at f0000600 { compatible = "arm,cortex-a9-twd-timer"; reg = <0xf0000600 0x20>;
--
2.17.1