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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2019-12-11 14:52:20 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2019-12-20 16:33:19 +0100 |
| commit | df1a0aac0a533e6f3ff843c64a9a0d3b7f37c89c (patch) | |
| tree | 6026955947f44d30e420ba206ac35d8bbc2d849d | |
| parent | 61b58e3f6e518c511e54d56d362d505928df4e86 (diff) | |
| download | lwn-df1a0aac0a533e6f3ff843c64a9a0d3b7f37c89c.tar.gz lwn-df1a0aac0a533e6f3ff843c64a9a0d3b7f37c89c.zip | |
ARM: dts: sh73a0: Add device node for ARM global timer
Add a device node for the global timer, which is part of the Cortex-A9
MPCore.
The global timer can serve as an accurate (3 ns) clock source for
scheduling and delay loops.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191211135222.26770-3-geert+renesas@glider.be
| -rw-r--r-- | arch/arm/boot/dts/sh73a0.dtsi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi index 75785052640f..f8494d168e84 100644 --- a/arch/arm/boot/dts/sh73a0.dtsi +++ b/arch/arm/boot/dts/sh73a0.dtsi @@ -39,6 +39,13 @@ }; }; + timer@f0000200 { + compatible = "arm,cortex-a9-global-timer"; + reg = <0xf0000200 0x100>; + interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_EDGE_RISING)>; + clocks = <&periph_clk>; + }; + timer@f0000600 { compatible = "arm,cortex-a9-twd-timer"; reg = <0xf0000600 0x20>; |