1
2Nintendo GameCube device tree
3=============================
4
51) The "flipper" node
6
7  This node represents the multi-function "Flipper" chip, which packages
8  many of the devices found in the Nintendo GameCube.
9
10  Required properties:
11
12   - compatible : Should be "nintendo,flipper"
13
141.a) The Video Interface (VI) node
15
16  Represents the interface between the graphics processor and a external
17  video encoder.
18
19  Required properties:
20
21   - compatible : should be "nintendo,flipper-vi"
22   - reg : should contain the VI registers location and length
23   - interrupts : should contain the VI interrupt
24
251.b) The Processor Interface (PI) node
26
27  Represents the data and control interface between the main processor
28  and graphics and audio processor.
29
30  Required properties:
31
32  - compatible : should be "nintendo,flipper-pi"
33  - reg : should contain the PI registers location and length
34
351.b.i) The "Flipper" interrupt controller node
36
37  Represents the interrupt controller within the "Flipper" chip.
38  The node for the "Flipper" interrupt controller must be placed under
39  the PI node.
40
41  Required properties:
42
43  - compatible : should be "nintendo,flipper-pic"
44
451.c) The Digital Signal Procesor (DSP) node
46
47  Represents the digital signal processor interface, designed to offload
48  audio related tasks.
49
50  Required properties:
51
52   - compatible : should be "nintendo,flipper-dsp"
53   - reg : should contain the DSP registers location and length
54   - interrupts : should contain the DSP interrupt
55
561.c.i) The Auxiliary RAM (ARAM) node
57
58  Represents the non cpu-addressable ram designed mainly to store audio
59  related information.
60  The ARAM node must be placed under the DSP node.
61
62  Required properties:
63
64   - compatible : should be "nintendo,flipper-aram"
65   - reg : should contain the ARAM start (zero-based) and length
66
671.d) The Disk Interface (DI) node
68
69  Represents the interface used to communicate with mass storage devices.
70
71  Required properties:
72
73   - compatible : should be "nintendo,flipper-di"
74   - reg : should contain the DI registers location and length
75   - interrupts : should contain the DI interrupt
76
771.e) The Audio Interface (AI) node
78
79  Represents the interface to the external 16-bit stereo digital-to-analog
80  converter.
81
82  Required properties:
83
84   - compatible : should be "nintendo,flipper-ai"
85   - reg : should contain the AI registers location and length
86   - interrupts : should contain the AI interrupt
87
881.f) The Serial Interface (SI) node
89
90  Represents the interface to the four single bit serial interfaces.
91  The SI is a proprietary serial interface used normally to control gamepads.
92  It's NOT a RS232-type interface.
93
94  Required properties:
95
96   - compatible : should be "nintendo,flipper-si"
97   - reg : should contain the SI registers location and length
98   - interrupts : should contain the SI interrupt
99
1001.g) The External Interface (EXI) node
101
102  Represents the multi-channel SPI-like interface.
103
104  Required properties:
105
106   - compatible : should be "nintendo,flipper-exi"
107   - reg : should contain the EXI registers location and length
108   - interrupts : should contain the EXI interrupt
109
110