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author | Anton Arapov <anton@redhat.com> | 2012-06-08 12:58:00 +0200 |
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committer | Anton Arapov <anton@redhat.com> | 2012-06-08 12:58:00 +0200 |
commit | 6792a3f47a2e42d7164292bf7f1a55cfc4c91652 (patch) | |
tree | b90c002bfbbeaec92f5d8a2383dcabf6524016f7 /Documentation/devicetree/bindings/i2c/mrvl-i2c.txt | |
parent | fe2895d3d55146cac65b273c0f83e2c7e543cd0e (diff) | |
download | kernel-uprobes-6792a3f47a2e42d7164292bf7f1a55cfc4c91652.tar.gz kernel-uprobes-6792a3f47a2e42d7164292bf7f1a55cfc4c91652.tar.xz kernel-uprobes-6792a3f47a2e42d7164292bf7f1a55cfc4c91652.zip |
fedora kernel: b920e9b748c595f970bf80ede7832d39f8d567dav3.4.1-2
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/mrvl-i2c.txt')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/mrvl-i2c.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/mrvl-i2c.txt b/Documentation/devicetree/bindings/i2c/mrvl-i2c.txt new file mode 100644 index 00000000000..071eb3caae9 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/mrvl-i2c.txt @@ -0,0 +1,37 @@ +* I2C + +Required properties : + + - reg : Offset and length of the register set for the device + - compatible : should be "mrvl,mmp-twsi" where CHIP is the name of a + compatible processor, e.g. pxa168, pxa910, mmp2, mmp3. + For the pxa2xx/pxa3xx, an additional node "mrvl,pxa-i2c" is required + as shown in the example below. + +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. + - mrvl,i2c-polling : Disable interrupt of i2c controller. Polling + status register of i2c controller instead. + - mrvl,i2c-fast-mode : Enable fast mode of i2c controller. + +Examples: + twsi1: i2c@d4011000 { + compatible = "mrvl,mmp-twsi", "mrvl,pxa-i2c"; + reg = <0xd4011000 0x1000>; + interrupts = <7>; + mrvl,i2c-fast-mode; + }; + + twsi2: i2c@d4025000 { + compatible = "mrvl,mmp-twsi", "mrvl,pxa-i2c"; + reg = <0xd4025000 0x1000>; + interrupts = <58>; + }; + |