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android_kernel_samsung_sm87…/bindings/timer/snps,arc-timer.txt
Melody Olvera 6f18ce8026 dt-bindings: Add devicetree bindings
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
2023-04-03 15:40:37 -07:00

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Synopsys ARC Local Timer with Interrupt Capabilities
- Found on all ARC CPUs (ARC700/ARCHS)
- Can be optionally programmed to interrupt on Limit
- Two idential copies TIMER0 and TIMER1 exist in ARC cores and historically
TIMER0 used as clockevent provider (true for all ARC cores)
TIMER1 used for clocksource (mandatory for ARC700, optional for ARC HS)
Required properties:
- compatible : should be "snps,arc-timer"
- interrupts : single Interrupt going into parent intc
(16 for ARCHS cores, 3 for ARC700 cores)
- clocks : phandle to the source clock
Example:
timer0 {
compatible = "snps,arc-timer";
interrupts = <3>;
interrupt-parent = <&core_intc>;
clocks = <&core_clk>;
};
timer1 {
compatible = "snps,arc-timer";
clocks = <&core_clk>;
};