[PATCH] powerpc: Add FSL USB node to documentation
From: Becky Bruce <hidden>
Date: 2006-02-07 19:44:13
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
Documentation: Added FSL SOC USB node definition Updated the documentation to include the definition of the USB device node format for Freescale SOC devices. Signed-off-by: Becky Bruce <redacted> Signed-off-by: Kumar Gala <redacted> --- commit 22970a5d9a7dd57512442e5f33c7fce708911bf9 tree 4bb85465dd12ecaf0213a985bd94e6c5546fb5d2 parent 3441bf59c7e1dc3823f9be57838a2536c78f6f8f author Becky Bruce [off-list ref] Mon, 06 Feb 2006 14:19:07 -0600 committer Becky Bruce [off-list ref] Mon, 06 Feb 2006 14:19:07 -0600 Documentation/powerpc/booting-without-of.txt | 60 ++++++++++++++++++++++++++ 1 files changed, 59 insertions(+), 1 deletions(-)
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 54e5f9b..81a0507 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt@@ -44,7 +44,6 @@ compiler and the textural representation of the tree that can be "compiled" by dtc. - November 21, 2005: Rev 0.5 - Additions/generalizations for 32-bit - Changed to reflect the new arch/powerpc
@@ -1307,6 +1306,65 @@ platforms are moved over to use the flat }; + f) Freescale SOC USB controllers + + The device node for a USB controller that is part of a Freescale + SOC is as described in the document "Open Firmware Recommended + Practice : Universal Serial Bus" with the following modifications + and additions : + + Required properties : + - compatible : Should be "fsl-usb2-mph" for multi port host usb + controllers, or "fsl-usb2-dr" for dual role usb controllers + - phy_type : For multi port host usb controllers, should be one of + "ulpi", or "serial". For dual role usb controllers, should be + one of "ulpi", "utmi", "utmi_wide", or "serial". + - reg : Offset and length of the register set for the device + - port0 : boolean; if defined, indicates port0 is connected for + fsl-usb2-mph compatible controllers. Either this property or + "port1" (or both) must be defined for "fsl-usb2-mph" compatible + controllers. + - port1 : boolean; if defined, indicates port1 is connected for + fsl-usb2-mph compatible controllers. Either this property or + "port0" (or both) must be defined for "fsl-usb2-mph" compatible + controllers. + + Recommended properties : + - 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. + + Example multi port host usb controller device node : + usb@22000 { + device_type = "usb"; + compatible = "fsl-usb2-mph"; + reg = <22000 1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupt-parent = <700>; + interrupts = <27 1>; + phy_type = "ulpi"; + port0; + port1; + }; + + Example dual role usb controller device node : + usb@23000 { + device_type = "usb"; + compatible = "fsl-usb2-dr"; + reg = <23000 1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupt-parent = <700>; + interrupts = <26 1>; + phy = "ulpi"; + }; + + More devices will be defined as this spec matures.