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author | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
commit | da935c66bacb3ed9ada984b053297f87c2dff63a (patch) | |
tree | 46278da2b312c73f1375b830d7e5912bf23abd78 /Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/gpio.txt | |
parent | 9435eb1cf0b76b323019cebf8d16762a50a12a19 (diff) | |
parent | 2205a6ea93fea76f88b43727fea53f3ce3790d6f (diff) | |
download | linux-stable-da935c66bacb3ed9ada984b053297f87c2dff63a.tar.gz linux-stable-da935c66bacb3ed9ada984b053297f87c2dff63a.tar.bz2 linux-stable-da935c66bacb3ed9ada984b053297f87c2dff63a.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/e1000e/netdev.c
net/xfrm/xfrm_policy.c
Diffstat (limited to 'Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/gpio.txt')
-rw-r--r-- | Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/gpio.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/gpio.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/gpio.txt new file mode 100644 index 000000000000..349f79fd7076 --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/gpio.txt @@ -0,0 +1,38 @@ +Every GPIO controller node must have #gpio-cells property defined, +this information will be used to translate gpio-specifiers. + +On CPM1 devices, all ports are using slightly different register layouts. +Ports A, C and D are 16bit ports and Ports B and E are 32bit ports. + +On CPM2 devices, all ports are 32bit ports and use a common register layout. + +Required properties: +- compatible : "fsl,cpm1-pario-bank-a", "fsl,cpm1-pario-bank-b", + "fsl,cpm1-pario-bank-c", "fsl,cpm1-pario-bank-d", + "fsl,cpm1-pario-bank-e", "fsl,cpm2-pario-bank" +- #gpio-cells : Should be two. The first cell is the pin number and the + second cell is used to specify optional parameters (currently unused). +- gpio-controller : Marks the port as GPIO controller. + +Example of three SOC GPIO banks defined as gpio-controller nodes: + + CPM1_PIO_A: gpio-controller@950 { + #gpio-cells = <2>; + compatible = "fsl,cpm1-pario-bank-a"; + reg = <0x950 0x10>; + gpio-controller; + }; + + CPM1_PIO_B: gpio-controller@ab8 { + #gpio-cells = <2>; + compatible = "fsl,cpm1-pario-bank-b"; + reg = <0xab8 0x10>; + gpio-controller; + }; + + CPM1_PIO_E: gpio-controller@ac8 { + #gpio-cells = <2>; + compatible = "fsl,cpm1-pario-bank-e"; + reg = <0xac8 0x18>; + gpio-controller; + }; |