diff options
Diffstat (limited to 'dts/Bindings/interrupt-controller/mediatek,cirq.txt')
| -rw-r--r-- | dts/Bindings/interrupt-controller/mediatek,cirq.txt | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/dts/Bindings/interrupt-controller/mediatek,cirq.txt b/dts/Bindings/interrupt-controller/mediatek,cirq.txt deleted file mode 100644 index 5865f4f2c6..0000000000 --- a/dts/Bindings/interrupt-controller/mediatek,cirq.txt +++ /dev/null @@ -1,33 +0,0 @@ -* Mediatek 27xx cirq - -In Mediatek SOCs, the CIRQ is a low power interrupt controller designed to -work outside MCUSYS which comprises with Cortex-Ax cores,CCI and GIC. -The external interrupts (outside MCUSYS) will feed through CIRQ and connect -to GIC in MCUSYS. When CIRQ is enabled, it will record the edge-sensitive -interrupts and generate a pulse signal to parent interrupt controller when -flush command is executed. With CIRQ, MCUSYS can be completely turned off -to improve the system power consumption without losing interrupts. - -Required properties: -- compatible: should be one of - - "mediatek,mt2701-cirq" for mt2701 CIRQ - - "mediatek,mt8135-cirq" for mt8135 CIRQ - - "mediatek,mt8173-cirq" for mt8173 CIRQ - and "mediatek,cirq" as a fallback. -- interrupt-controller : Identifies the node as an interrupt controller. -- #interrupt-cells : Use the same format as specified by GIC in arm,gic.txt. -- reg: Physical base address of the cirq registers and length of memory - mapped region. -- mediatek,ext-irq-range: Identifies external irq number range in different - SOCs. - -Example: - cirq: interrupt-controller@10204000 { - compatible = "mediatek,mt2701-cirq", - "mediatek,mtk-cirq"; - interrupt-controller; - #interrupt-cells = <3>; - interrupt-parent = <&sysirq>; - reg = <0 0x10204000 0 0x400>; - mediatek,ext-irq-start = <32 200>; - }; |