42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
|
Cirrus Logic CLPS711X Interrupt Controller
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
|
||
|
|
- compatible: Should be "cirrus,ep7209-intc".
|
||
|
|
- reg: Specifies base physical address of the registers set.
|
||
|
|
- interrupt-controller: Identifies the node as an interrupt controller.
|
||
|
|
- #interrupt-cells: Specifies the number of cells needed to encode an
|
||
|
|
interrupt source. The value shall be 1.
|
||
|
|
|
||
|
|
The interrupt sources are as follows:
|
||
|
|
ID Name Description
|
||
|
|
---------------------------
|
||
|
|
1: BLINT Battery low (FIQ)
|
||
|
|
3: MCINT Media changed (FIQ)
|
||
|
|
4: CSINT CODEC sound
|
||
|
|
5: EINT1 External 1
|
||
|
|
6: EINT2 External 2
|
||
|
|
7: EINT3 External 3
|
||
|
|
8: TC1OI TC1 under flow
|
||
|
|
9: TC2OI TC2 under flow
|
||
|
|
10: RTCMI RTC compare match
|
||
|
|
11: TINT 64Hz tick
|
||
|
|
12: UTXINT1 UART1 transmit FIFO half empty
|
||
|
|
13: URXINT1 UART1 receive FIFO half full
|
||
|
|
14: UMSINT UART1 modem status changed
|
||
|
|
15: SSEOTI SSI1 end of transfer
|
||
|
|
16: KBDINT Keyboard
|
||
|
|
17: SS2RX SSI2 receive FIFO half or greater full
|
||
|
|
18: SS2TX SSI2 transmit FIFO less than half empty
|
||
|
|
28: UTXINT2 UART2 transmit FIFO half empty
|
||
|
|
29: URXINT2 UART2 receive FIFO half full
|
||
|
|
32: DAIINT DAI interface (FIQ)
|
||
|
|
|
||
|
|
Example:
|
||
|
|
intc: interrupt-controller {
|
||
|
|
compatible = "cirrus,ep7312-intc", "cirrus,ep7209-intc";
|
||
|
|
reg = <0x80000000 0x4000>;
|
||
|
|
interrupt-controller;
|
||
|
|
#interrupt-cells = <1>;
|
||
|
|
};
|