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ARM: dts: r8a7779: Add device node for ARM global timer

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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
This commit is contained in:
Geert Uytterhoeven 2019-12-11 14:52:21 +01:00
parent df1a0aac0a
commit 8443ffd1bb
1 changed files with 8 additions and 0 deletions
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8
arch/arm/boot/dts/r8a7779.dtsi
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@ -68,6 +68,14 @@ gic: interrupt-controller@f0001000 {
<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>;