Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
1.6 KiB
Plaintext
63 lines
1.6 KiB
Plaintext
OCTEON/OCTEON+ USB BLOCK
|
|
|
|
1) Main node
|
|
|
|
Required properties:
|
|
|
|
- compatible: must be "cavium,octeon-5750-usbn"
|
|
|
|
- reg: specifies the physical base address of the USBN block and
|
|
the length of the memory mapped region.
|
|
|
|
- #address-cells: specifies the number of cells needed to encode an
|
|
address. The value must be 2.
|
|
|
|
- #size-cells: specifies the number of cells used to represent the size
|
|
of an address. The value must be 2.
|
|
|
|
- ranges: specifies the translation between child address space and parent
|
|
address space.
|
|
|
|
- clock-frequency: speed of the USB reference clock. Allowed values are
|
|
12000000, 24000000 or 48000000.
|
|
|
|
- cavium,refclk-type: type of the USB reference clock. Allowed values are
|
|
"crystal" or "external".
|
|
|
|
- refclk-frequency: deprecated, use "clock-frequency".
|
|
|
|
- refclk-type: deprecated, use "cavium,refclk-type".
|
|
|
|
2) Child node
|
|
|
|
The main node must have one child node which describes the built-in
|
|
USB controller.
|
|
|
|
Required properties:
|
|
|
|
- compatible: must be "cavium,octeon-5750-usbc"
|
|
|
|
- reg: specifies the physical base address of the USBC block and
|
|
the length of the memory mapped region.
|
|
|
|
- interrupts: specifies the interrupt number for the USB controller.
|
|
|
|
3) Example:
|
|
|
|
usbn: usbn@1180068000000 {
|
|
compatible = "cavium,octeon-5750-usbn";
|
|
reg = <0x11800 0x68000000 0x0 0x1000>;
|
|
ranges; /* Direct mapping */
|
|
#address-cells = <2>;
|
|
#size-cells = <2>;
|
|
clock-frequency = <12000000>;
|
|
cavium,refclk-type = "crystal";
|
|
|
|
usbc@16f0010000000 {
|
|
compatible = "cavium,octeon-5750-usbc";
|
|
reg = <0x16f00 0x10000000 0x0 0x80000>;
|
|
interrupts = <0 56>;
|
|
};
|
|
};
|
|
|