Re: [PATCH 1/5 v3] Add the explanation and a sample of RapidIO OF node to the document of booting-without-of.txt file.

From: Segher Boessenkool
Date: Tue Jul 31 2007 - 12:20:10 EST


+ l) RapidIO

"FSL PowerPC bridge RapidIO" or something like that -- you
aren't doing a _generic_ rapidio binding here.

+ RapidIO is a definition of a system interconnect. This node add
+ the support for RapidIO processor in kernel. The node name is
+ suggested to be 'rapidio'.
+
+ Required properties:
+
+ - compatible : Using "fsl,rapidio-delta" for Freescale PowerPC
+ RapidIO controller.
+ - #address-cells : Address representation for "rapidio" devices.
+ This field represents the number of cells needed to represent
+ the RapidIO address of the registers.
+ See 1) above for more details on defining #address-cells.
+ - reg : Offset and length of the register set for the device
+ - ranges : Should be defined as specified in 1) to describe the
+ translation of addresses for memory mapped RapidIO memory
+ space.
+ - interrupts : binding interrupts for this device node,
+ please follow below orders:
+ <err_irq bell_outb_irq bell_inb_irq msg1_tx_irq msg1_rx_irq
+ msg2_tx_irq msg2_rx_irq ... msgN_tx_irq msgN_rx_irq>.

_All_ of these are "as specified in 1)". You should be saying
the specifics for your device here; for example, what register
blocks of your controller are described in "reg", and in what
order?


Segher

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