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Diffstat (limited to 'Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt new file mode 100644 index 000000000..8bbb6e945 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt @@ -0,0 +1,47 @@ +MediaTek Timers +--------------- + +MediaTek SoCs have different timers on different platforms, +- CPUX (ARM/ARM64 System Timer) +- GPT (General Purpose Timer) +- SYST (System Timer) + +The proper timer will be selected automatically by driver. + +Required properties: +- compatible should contain: + For those SoCs that use GPT + * "mediatek,mt2701-timer" for MT2701 compatible timers (GPT) + * "mediatek,mt6580-timer" for MT6580 compatible timers (GPT) + * "mediatek,mt6582-timer" for MT6582 compatible timers (GPT) + * "mediatek,mt6589-timer" for MT6589 compatible timers (GPT) + * "mediatek,mt7623-timer" for MT7623 compatible timers (GPT) + * "mediatek,mt8127-timer" for MT8127 compatible timers (GPT) + * "mediatek,mt8135-timer" for MT8135 compatible timers (GPT) + * "mediatek,mt8173-timer" for MT8173 compatible timers (GPT) + * "mediatek,mt8516-timer" for MT8516 compatible timers (GPT) + * "mediatek,mt6577-timer" for MT6577 and all above compatible timers (GPT) + + For those SoCs that use SYST + * "mediatek,mt8183-timer" for MT8183 compatible timers (SYST) + * "mediatek,mt8186-timer" for MT8186 compatible timers (SYST) + * "mediatek,mt8188-timer" for MT8188 compatible timers (SYST) + * "mediatek,mt8192-timer" for MT8192 compatible timers (SYST) + * "mediatek,mt8195-timer" for MT8195 compatible timers (SYST) + * "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. + +Examples: + + timer@10008000 { + compatible = "mediatek,mt6577-timer"; + reg = <0x10008000 0x80>; + interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>; + clocks = <&system_clk>; + }; |