[PATCH v3 1/2] dt-bindings: timer: mediatek: Add CPUX System Timer and MT6795 compatible

From: AngeloGioacchino Del Regno
Date: Mon Jun 13 2022 - 13:51:20 EST


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@xxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
---
.../devicetree/bindings/timer/mediatek,mtk-timer.txt | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
index 6f1f9dba6e88..f1c848af91d3 100644
--- a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
+++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
@@ -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.

--
2.35.1