[PATCH 2/3] usb: ehci-ppc-of dts bindings.
Valentine Barshak <[email protected]>
| Newsgroups | gmane.linux.usb.devel,gmane.linux.ports.ppc64.devel |
|---|---|
| Message-ID | <[email protected]> |
Signed-off-by: Valentine Barshak <[email protected]> --- Documentation/powerpc/booting-without-of.txt | 30 +++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff -ruN linux-2.6.orig/Documentation/powerpc/booting-without-of.txt linux-2.6.new/Documentation/powerpc/booting-without-of.txt --- linux-2.6.orig/Documentation/powerpc/booting-without-of.txt 2007-09-15 14:27:57.000000000 +0400 +++ linux-2.6.new/Documentation/powerpc/booting-without-of.txt 2007-09-15 17:19:06.000000000 +0400 @@ -52,6 +52,7 @@ i) Freescale QUICC Engine module (QE) j) CFI or JEDEC memory-mapped NOR flash k) Global Utilities Block + l) USB EHCI controllers VII - Specifying interrupt information for devices 1) interrupts property @@ -1848,6 +1849,35 @@ fsl,has-rstcr; }; + l) USB EHCI controllers + + Required properties: + - device_type : should be "usb". + - compatible : should be "ehci". + - reg : Offset and length of the register set for the device + - interrupts : <a b> where a is the interrupt number and b is a + field that represents an encoding of the sense and level + information for the interrupt. This should be encoded based on + the information in section 2) depending on the type of interrupt + controller you have. + - interrupt-parent : the phandle for the interrupt controller that + services interrupts for this device. + If device registers are implemented in big endian mode, the device + node should have "big-endian" property. + If controller implementation operates with big endian descriptors, + compatible should also have "ehci-be-desc" + + Example (Sequoia 440EPx): + ehci@e0000300 { + device_type = "usb"; + compatible = "ibm,ehci-440epx", "ehci-be-desc", "ehci"; + interrupts = <1a 4>; + interrupt-parent = <&UIC0>; + reg = <0 e0000300 ff>; + big-endian; + }; + + More devices will be defined as this spec matures. VII - Specifying interrupt information for devices ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel