2 Nintendo Wii device tree
3 ========================
7 This node represents the Nintendo Wii video game console.
11 - model : Should be "nintendo,wii"
12 - compatible : Should be "nintendo,wii"
14 1) The "hollywood" node
16 This node represents the multi-function "Hollywood" chip, which packages
17 many of the devices found in the Nintendo Wii.
21 - compatible : Should be "nintendo,hollywood"
23 1.a) The Video Interface (VI) node
25 Represents the interface between the graphics processor and a external
30 - compatible : should be "nintendo,hollywood-vi","nintendo,flipper-vi"
31 - reg : should contain the VI registers location and length
32 - interrupts : should contain the VI interrupt
34 1.b) The Processor Interface (PI) node
36 Represents the data and control interface between the main processor
37 and graphics and audio processor.
41 - compatible : should be "nintendo,hollywood-pi","nintendo,flipper-pi"
42 - reg : should contain the PI registers location and length
44 1.b.i) The "Flipper" interrupt controller node
46 Represents the "Flipper" interrupt controller within the "Hollywood" chip.
47 The node for the "Flipper" interrupt controller must be placed under
52 - #interrupt-cells : <1>
53 - compatible : should be "nintendo,flipper-pic"
54 - interrupt-controller
56 1.c) The Digital Signal Procesor (DSP) node
58 Represents the digital signal processor interface, designed to offload
63 - compatible : should be "nintendo,hollywood-dsp","nintendo,flipper-dsp"
64 - reg : should contain the DSP registers location and length
65 - interrupts : should contain the DSP interrupt
67 1.d) The Serial Interface (SI) node
69 Represents the interface to the four single bit serial interfaces.
70 The SI is a proprietary serial interface used normally to control gamepads.
71 It's NOT a RS232-type interface.
75 - compatible : should be "nintendo,hollywood-si","nintendo,flipper-si"
76 - reg : should contain the SI registers location and length
77 - interrupts : should contain the SI interrupt
79 1.e) The Audio Interface (AI) node
81 Represents the interface to the external 16-bit stereo digital-to-analog
86 - compatible : should be "nintendo,hollywood-ai","nintendo,flipper-ai"
87 - reg : should contain the AI registers location and length
88 - interrupts : should contain the AI interrupt
90 1.f) The External Interface (EXI) node
92 Represents the multi-channel SPI-like interface.
96 - compatible : should be "nintendo,hollywood-exi","nintendo,flipper-exi"
97 - reg : should contain the EXI registers location and length
98 - interrupts : should contain the EXI interrupt
100 1.g) The Open Host Controller Interface (OHCI) nodes
102 Represent the USB 1.x Open Host Controller Interfaces.
106 - compatible : should be "nintendo,hollywood-usb-ohci","usb-ohci"
107 - reg : should contain the OHCI registers location and length
108 - interrupts : should contain the OHCI interrupt
110 1.h) The Enhanced Host Controller Interface (EHCI) node
112 Represents the USB 2.0 Enhanced Host Controller Interface.
116 - compatible : should be "nintendo,hollywood-usb-ehci","usb-ehci"
117 - reg : should contain the EHCI registers location and length
118 - interrupts : should contain the EHCI interrupt
120 1.i) The Secure Digital Host Controller Interface (SDHCI) nodes
122 Represent the Secure Digital Host Controller Interfaces.
126 - compatible : should be "nintendo,hollywood-sdhci","sdhci"
127 - reg : should contain the SDHCI registers location and length
128 - interrupts : should contain the SDHCI interrupt
130 1.j) The Inter-Processor Communication (IPC) node
132 Represent the Inter-Processor Communication interface. This interface
133 enables communications between the Broadway and the Starlet processors.
135 - compatible : should be "nintendo,hollywood-ipc"
136 - reg : should contain the IPC registers location and length
137 - interrupts : should contain the IPC interrupt
139 1.k) The "Hollywood" interrupt controller node
141 Represents the "Hollywood" interrupt controller within the
146 - #interrupt-cells : <1>
147 - compatible : should be "nintendo,hollywood-pic"
148 - reg : should contain the controller registers location and length
149 - interrupt-controller
150 - interrupts : should contain the cascade interrupt of the "flipper" pic
151 - interrupt-parent: should contain the phandle of the "flipper" pic
153 1.l) The General Purpose I/O (GPIO) controller node
155 Represents the dual access 32 GPIO controller interface.
160 - compatible : should be "nintendo,hollywood-gpio"
161 - reg : should contain the IPC registers location and length
164 1.m) The control node
166 Represents the control interface used to setup several miscellaneous
167 settings of the "Hollywood" chip like boot memory mappings, resets,
168 disk interface mode, etc.
172 - compatible : should be "nintendo,hollywood-control"
173 - reg : should contain the control registers location and length
175 1.n) The Disk Interface (DI) node
177 Represents the interface used to communicate with mass storage devices.
181 - compatible : should be "nintendo,hollywood-di"
182 - reg : should contain the DI registers location and length
183 - interrupts : should contain the DI interrupt