Based on kernel version 6.13
. Page generated on 2025-01-21 08:20 EST
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | ============================== C-SKY APB Interrupt Controller ============================== C-SKY APB Interrupt Controller is a simple soc interrupt controller on the apb bus and we only use it as root irq controller. - csky,apb-intc is used in a lot of csky fpgas and socs, it support 64 irq nums. - csky,dual-apb-intc consists of 2 apb-intc and 128 irq nums supported. - csky,gx6605s-intc is gx6605s soc internal irq interrupt controller, 64 irq nums. ============================= intc node bindings definition ============================= Description: Describes APB interrupt controller PROPERTIES - compatible Usage: required Value type: <string> Definition: must be "csky,apb-intc" "csky,dual-apb-intc" "csky,gx6605s-intc" - #interrupt-cells Usage: required Value type: <u32> Definition: must be <1> - reg Usage: required Value type: <u32 u32> Definition: <phyaddr size> in soc from cpu view - interrupt-controller: Usage: required - csky,support-pulse-signal: Usage: select Description: to support pulse signal flag Examples: --------- intc: interrupt-controller@500000 { compatible = "csky,apb-intc"; #interrupt-cells = <1>; reg = <0x00500000 0x400>; interrupt-controller; }; intc: interrupt-controller@500000 { compatible = "csky,dual-apb-intc"; #interrupt-cells = <1>; reg = <0x00500000 0x400>; interrupt-controller; }; intc: interrupt-controller@500000 { compatible = "csky,gx6605s-intc"; #interrupt-cells = <1>; reg = <0x00500000 0x400>; interrupt-controller; }; |