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author | Geert Uytterhoeven <geert+renesas@glider.be> | 2019-12-11 16:52:21 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-28 18:36:01 +0300 |
commit | 285f156fc859f0a922173a81af7cc4ccb6ac4b5b (patch) | |
tree | 1ac6cf22cf9152057eeeedf9b700fef94585062f /arch/arm | |
parent | ff213227e66062249a665acbbeade6c0cab585ef (diff) | |
download | linux-285f156fc859f0a922173a81af7cc4ccb6ac4b5b.tar.xz |
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')
-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 8ee0b2ca5d39..2face089d65b 100644 --- a/arch/arm/boot/dts/r8a7779.dtsi +++ b/arch/arm/boot/dts/r8a7779.dtsi @@ -67,6 +67,14 @@ <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>; |