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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 20:13:28 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 20:13:28 +0100 |
commit | 5339f9d4c2ceccab00b28d65bd5c2b2cd6a3de05 (patch) | |
tree | 765564f61fc270c415de903b0dfb1e040c02944a /Documentation/devicetree/bindings/usb | |
parent | Merge tag 'mfd-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
parent | drivers/of: Export OF changeset functions (diff) | |
download | linux-5339f9d4c2ceccab00b28d65bd5c2b2cd6a3de05.tar.xz linux-5339f9d4c2ceccab00b28d65bd5c2b2cd6a3de05.zip |
Merge tag 'devicetree-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
- Rework and export the changeset API to make it available to users
other than DT overlays
- ARM secure devices binding
- OCTEON USB binding
- Clean-up of various SRAM binding docs
- Various other binding doc updates
* tag 'devicetree-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (21 commits)
drivers/of: Export OF changeset functions
Fix documentation for adp1653 DT
ARM: psci: Fix indentation in DT bindings
of/platform: export of_default_bus_match_table
of/unittest: Show broken behaviour in the platform bus
of: fix declaration of of_io_request_and_map
of/address: replace printk(KERN_ERR ...) with pr_err(...)
of/irq: optimize device node matching loop in of_irq_init()
dt-bindings: tda998x: Document the required 'port' node.
net/macb: bindings doc: Merge cdns-emac to macb
dt-bindings: Misc fix for the ATH79 DDR controllers
dt-bindings: Misc fix for the ATH79 MISC interrupt controllers
Documentation: dt: Add bindings for Secure-only devices
dt-bindings: ARM: add arm,cortex-a72 compatible string
ASoC: Atmel: ClassD: add GCK's parent clock in DT binding
DT: add Olimex to vendor prefixes
Documentation: fsl-quadspi: Add fsl,ls1021-qspi compatible string
Documentation/devicetree: document OCTEON USB bindings
usb: misc: usb3503: Describe better how to bind clock to the hub
dt-bindings: Consolidate SRAM bindings from all vendors
...
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
-rw-r--r-- | Documentation/devicetree/bindings/usb/octeon-usb.txt | 62 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/usb/usb3503.txt | 5 |
2 files changed, 66 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/usb/octeon-usb.txt b/Documentation/devicetree/bindings/usb/octeon-usb.txt new file mode 100644 index 000000000000..205c8d24d6e3 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/octeon-usb.txt @@ -0,0 +1,62 @@ +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>; + }; + }; + diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt index 52493b1480e2..c1a0a9191d26 100644 --- a/Documentation/devicetree/bindings/usb/usb3503.txt +++ b/Documentation/devicetree/bindings/usb/usb3503.txt @@ -18,7 +18,8 @@ Optional properties: - refclk: Clock used for driving REFCLK signal (optional, if not provided the driver assumes that clock signal is always available, its rate is specified by REF_SEL pins and a value from the primary - reference clock frequencies table is used) + reference clock frequencies table is used). Use clocks and + clock-names in order to assign it - refclk-frequency: Frequency of the REFCLK signal as defined by REF_SEL pins (optional, if not provided, driver will not set rate of the REFCLK signal and assume that a value from the primary reference @@ -33,4 +34,6 @@ Examples: intn-gpios = <&gpx3 4 1>; reset-gpios = <&gpx3 5 1>; initial-mode = <1>; + clocks = <&clks 80>; + clock-names = "refclk"; }; |