1BCM2835 Top-Level ("ARMCTRL") Interrupt Controller
2
3The BCM2835 contains a custom top-level interrupt controller, which supports
472 interrupt sources using a 2-level register scheme. The interrupt
5controller, or the HW block containing it, is referred to occasionally
6as "armctrl" in the SoC documentation, hence naming of this binding.
7
8Required properties:
9
10- compatible : should be "brcm,bcm2835-armctrl-ic"
11- reg : Specifies base physical address and size of the registers.
12- interrupt-controller : Identifies the node as an interrupt controller
13- #interrupt-cells : Specifies the number of cells needed to encode an
14  interrupt source. The value shall be 2.
15
16  The 1st cell is the interrupt bank; 0 for interrupts in the "IRQ basic
17  pending" register, or 1/2 respectively for interrupts in the "IRQ pending
18  1/2" register.
19
20  The 2nd cell contains the interrupt number within the bank. Valid values
21  are 0..7 for bank 0, and 0..31 for bank 1.
22
23The interrupt sources are as follows:
24
25Bank 0:
260: ARM_TIMER
271: ARM_MAILBOX
282: ARM_DOORBELL_0
293: ARM_DOORBELL_1
304: VPU0_HALTED
315: VPU1_HALTED
326: ILLEGAL_TYPE0
337: ILLEGAL_TYPE1
34
35Bank 1:
360: TIMER0
371: TIMER1
382: TIMER2
393: TIMER3
404: CODEC0
415: CODEC1
426: CODEC2
437: VC_JPEG
448: ISP
459: VC_USB
4610: VC_3D
4711: TRANSPOSER
4812: MULTICORESYNC0
4913: MULTICORESYNC1
5014: MULTICORESYNC2
5115: MULTICORESYNC3
5216: DMA0
5317: DMA1
5418: VC_DMA2
5519: VC_DMA3
5620: DMA4
5721: DMA5
5822: DMA6
5923: DMA7
6024: DMA8
6125: DMA9
6226: DMA10
6327: DMA11
6428: DMA12
6529: AUX
6630: ARM
6731: VPUDMA
68
69Bank 2:
700: HOSTPORT
711: VIDEOSCALER
722: CCP2TX
733: SDC
744: DSI0
755: AVE
766: CAM0
777: CAM1
788: HDMI0
799: HDMI1
8010: PIXELVALVE1
8111: I2CSPISLV
8212: DSI1
8313: PWA0
8414: PWA1
8515: CPR
8616: SMI
8717: GPIO0
8818: GPIO1
8919: GPIO2
9020: GPIO3
9121: VC_I2C
9222: VC_SPI
9323: VC_I2SPCM
9424: VC_SDIO
9525: VC_UART
9626: SLIMBUS
9727: VEC
9828: CPG
9929: RNG
10030: VC_ARASANSDIO
10131: AVSPMON
102
103Example:
104
105intc: interrupt-controller {
106	compatible = "brcm,bcm2835-armctrl-ic";
107	reg = <0x7e00b200 0x200>;
108	interrupt-controller;
109	#interrupt-cells = <2>;
110};
111