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Commit 69941019 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Greg Kroah-Hartman
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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: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191211135222.26770-4-geert+renesas@glider.be


Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 1899747e

arch/arm/boot/dts/r8a7779.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -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>;