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author | Grant Likely <grant.likely@secretlab.ca> | 2011-01-26 10:10:40 -0700 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2011-01-31 00:09:01 -0700 |
commit | d524dac9279b6a41ffdf7ff7958c577f2e387db6 (patch) | |
tree | 294166d18a1c89c4cebb2571ea7b124876fb01ef /Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/par_io.txt | |
parent | Linux 2.6.38-rc2 (diff) | |
download | wireguard-linux-d524dac9279b6a41ffdf7ff7958c577f2e387db6.tar.xz wireguard-linux-d524dac9279b6a41ffdf7ff7958c577f2e387db6.zip |
dt: Move device tree documentation out of powerpc directory
The device tree is used by more than just PowerPC. Make the documentation
directory available to all.
v2: reorganized files while moving to create arch and driver specific
directories.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/par_io.txt')
-rw-r--r-- | Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/par_io.txt | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/par_io.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/par_io.txt new file mode 100644 index 000000000000..60984260207b --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/par_io.txt @@ -0,0 +1,51 @@ +* Parallel I/O Ports + +This node configures Parallel I/O ports for CPUs with QE support. +The node should reside in the "soc" node of the tree. For each +device that using parallel I/O ports, a child node should be created. +See the definition of the Pin configuration nodes below for more +information. + +Required properties: +- device_type : should be "par_io". +- reg : offset to the register set and its length. +- num-ports : number of Parallel I/O ports + +Example: +par_io@1400 { + reg = <1400 100>; + #address-cells = <1>; + #size-cells = <0>; + device_type = "par_io"; + num-ports = <7>; + ucc_pin@01 { + ...... + }; + +Note that "par_io" nodes are obsolete, and should not be used for +the new device trees. Instead, each Par I/O bank should be represented +via its own gpio-controller node: + +Required properties: +- #gpio-cells : should be "2". +- compatible : should be "fsl,<chip>-qe-pario-bank", + "fsl,mpc8323-qe-pario-bank". +- reg : offset to the register set and its length. +- gpio-controller : node to identify gpio controllers. + +Example: + qe_pio_a: gpio-controller@1400 { + #gpio-cells = <2>; + compatible = "fsl,mpc8360-qe-pario-bank", + "fsl,mpc8323-qe-pario-bank"; + reg = <0x1400 0x18>; + gpio-controller; + }; + + qe_pio_e: gpio-controller@1460 { + #gpio-cells = <2>; + compatible = "fsl,mpc8360-qe-pario-bank", + "fsl,mpc8323-qe-pario-bank"; + reg = <0x1460 0x18>; + gpio-controller; + }; |