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dt-bindings: timer: mediatek: Add CPUX System Timer and MT6795 compatible

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Document the "CPUXGPT" CPU General Purpose Timer, used as ARM/ARM64
System Timer on MediaTek platforms and add the MT6795 compatible for it.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220613133819.35318-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
AngeloGioacchino Del Regno 2022-06-13 15:38:18 +02:00 committed by Daniel Lezcano
parent 07385a6055
commit 13b917a585
1 changed files with 5 additions and 1 deletions
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6
Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
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@ -1,7 +1,8 @@
MediaTek Timers
---------------
MediaTek SoCs have two different timers on different platforms,
MediaTek SoCs have different timers on different platforms,
- CPUX (ARM/ARM64 System Timer)
- GPT (General Purpose Timer)
- SYST (System Timer)
@ -29,6 +30,9 @@ Required properties:
* "mediatek,mt7629-timer" for MT7629 compatible timers (SYST)
* "mediatek,mt6765-timer" for MT6765 and all above compatible timers (SYST)
For those SoCs that use CPUX
* "mediatek,mt6795-systimer" for MT6795 compatible timers (CPUX)
- reg: Should contain location and length for timer register.
- clocks: Should contain system clock.