+++ /dev/null
-
-Nintendo Wii device tree
-========================
-
-0) The root node
-
- This node represents the Nintendo Wii video game console.
-
- Required properties:
-
- - model : Should be "nintendo,wii"
- - compatible : Should be "nintendo,wii"
-
-1) The "hollywood" node
-
- This node represents the multi-function "Hollywood" chip, which packages
- many of the devices found in the Nintendo Wii.
-
- Required properties:
-
- - compatible : Should be "nintendo,hollywood"
-
-1.a) The Video Interface (VI) node
-
- Represents the interface between the graphics processor and a external
- video encoder.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-vi","nintendo,flipper-vi"
- - reg : should contain the VI registers location and length
- - interrupts : should contain the VI interrupt
-
-1.b) The Processor Interface (PI) node
-
- Represents the data and control interface between the main processor
- and graphics and audio processor.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-pi","nintendo,flipper-pi"
- - reg : should contain the PI registers location and length
-
-1.b.i) The "Flipper" interrupt controller node
-
- Represents the "Flipper" interrupt controller within the "Hollywood" chip.
- The node for the "Flipper" interrupt controller must be placed under
- the PI node.
-
- Required properties:
-
- - #interrupt-cells : <1>
- - compatible : should be "nintendo,flipper-pic"
- - interrupt-controller
-
-1.c) The Digital Signal Procesor (DSP) node
-
- Represents the digital signal processor interface, designed to offload
- audio related tasks.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-dsp","nintendo,flipper-dsp"
- - reg : should contain the DSP registers location and length
- - interrupts : should contain the DSP interrupt
-
-1.d) The Serial Interface (SI) node
-
- Represents the interface to the four single bit serial interfaces.
- The SI is a proprietary serial interface used normally to control gamepads.
- It's NOT a RS232-type interface.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-si","nintendo,flipper-si"
- - reg : should contain the SI registers location and length
- - interrupts : should contain the SI interrupt
-
-1.e) The Audio Interface (AI) node
-
- Represents the interface to the external 16-bit stereo digital-to-analog
- converter.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-ai","nintendo,flipper-ai"
- - reg : should contain the AI registers location and length
- - interrupts : should contain the AI interrupt
-
-1.f) The External Interface (EXI) node
-
- Represents the multi-channel SPI-like interface.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-exi","nintendo,flipper-exi"
- - reg : should contain the EXI registers location and length
- - interrupts : should contain the EXI interrupt
-
-1.g) The Open Host Controller Interface (OHCI) nodes
-
- Represent the USB 1.x Open Host Controller Interfaces.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-usb-ohci","usb-ohci"
- - reg : should contain the OHCI registers location and length
- - interrupts : should contain the OHCI interrupt
-
-1.h) The Enhanced Host Controller Interface (EHCI) node
-
- Represents the USB 2.0 Enhanced Host Controller Interface.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-usb-ehci","usb-ehci"
- - reg : should contain the EHCI registers location and length
- - interrupts : should contain the EHCI interrupt
-
-1.i) The Secure Digital Host Controller Interface (SDHCI) nodes
-
- Represent the Secure Digital Host Controller Interfaces.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-sdhci","sdhci"
- - reg : should contain the SDHCI registers location and length
- - interrupts : should contain the SDHCI interrupt
-
-1.j) The Inter-Processsor Communication (IPC) node
-
- Represent the Inter-Processor Communication interface. This interface
- enables communications between the Broadway and the Starlet processors.
-
- - compatible : should be "nintendo,hollywood-ipc"
- - reg : should contain the IPC registers location and length
- - interrupts : should contain the IPC interrupt
-
-1.k) The "Hollywood" interrupt controller node
-
- Represents the "Hollywood" interrupt controller within the
- "Hollywood" chip.
-
- Required properties:
-
- - #interrupt-cells : <1>
- - compatible : should be "nintendo,hollywood-pic"
- - reg : should contain the controller registers location and length
- - interrupt-controller
- - interrupts : should contain the cascade interrupt of the "flipper" pic
- - interrupt-parent: should contain the phandle of the "flipper" pic
-
-1.l) The General Purpose I/O (GPIO) controller node
-
- Represents the dual access 32 GPIO controller interface.
-
- Required properties:
-
- - #gpio-cells : <2>
- - compatible : should be "nintendo,hollywood-gpio"
- - reg : should contain the IPC registers location and length
- - gpio-controller
-
-1.m) The control node
-
- Represents the control interface used to setup several miscellaneous
- settings of the "Hollywood" chip like boot memory mappings, resets,
- disk interface mode, etc.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-control"
- - reg : should contain the control registers location and length
-
-1.n) The Disk Interface (DI) node
-
- Represents the interface used to communicate with mass storage devices.
-
- Required properties:
-
- - compatible : should be "nintendo,hollywood-di"
- - reg : should contain the DI registers location and length
- - interrupts : should contain the DI interrupt
-
projects / karo-tx-linux.git / blobdiff