diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2019-12-11 14:52:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-28 15:39:00 +0100 |
| commit | d199b1e6be2b086fc08c237c7a6a5ee205019675 (patch) | |
| tree | bac3e39f0b2f3b0e1e88e8af93e78e5feb9ebba4 /arch/arm/boot/dts | |
| parent | 1420639514b3259b947c6947c5c54a0db8623a71 (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>
Diffstat (limited to 'arch/arm/boot/dts')
| -rw-r--r-- | arch/arm/boot/dts/r8a7779.dtsi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi index 6afa909865b5..8636e2321ab7 100644 --- a/arch/arm/boot/dts/r8a7779.dtsi +++ b/arch/arm/boot/dts/r8a7779.dtsi @@ -63,6 +63,14 @@ <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>; |