powerpc/nintendo/wii.txt

5 0) The root node
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
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
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
47   The node for the "Flipper" interrupt controller must be placed under
48   the PI node.
52   - #interrupt-cells : <1>
53   - compatible : should be "nintendo,flipper-pic"
54   - interrupt-controller
56 1.c) The Digital Signal Processor (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.h) The Enhanced Host Controller Interface (EHCI) node
102   Represents the USB 2.0 Enhanced Host Controller Interface.
106    - compatible : should be "nintendo,hollywood-usb-ehci","usb-ehci"
107    - reg : should contain the EHCI registers location and length
108    - interrupts : should contain the EHCI interrupt
110 1.i) The Secure Digital Host Controller Interface (SDHCI) nodes
116    - compatible : should be "nintendo,hollywood-sdhci","sdhci"
117    - reg : should contain the SDHCI registers location and length
118    - interrupts : should contain the SDHCI interrupt
120 1.j) The Inter-Processor Communication (IPC) node
122   Represent the Inter-Processor Communication interface. This interface
125    - compatible : should be "nintendo,hollywood-ipc"
126    - reg : should contain the IPC registers location and length
127    - interrupts : should contain the IPC interrupt
129 1.k) The "Hollywood" interrupt controller node
136   - #interrupt-cells : <1>
137   - compatible : should be "nintendo,hollywood-pic"
138   - reg : should contain the controller registers location and length
139   - interrupt-controller
140   - interrupts : should contain the cascade interrupt of the "flipper" pic
142 1.l) The General Purpose I/O (GPIO) controller node
144   see Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
146 1.m) The control node
148   Represents the control interface used to setup several miscellaneous
150   disk interface mode, etc.
154    - compatible : should be "nintendo,hollywood-control"
155    - reg : should contain the control registers location and length
157 1.n) The Disk Interface (DI) node
159   Represents the interface used to communicate with mass storage devices.
163    - compatible : should be "nintendo,hollywood-di"
164    - reg : should contain the DI registers location and length
165    - interrupts : should contain the DI interrupt