diff options
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/mrvl-i2c.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/mrvl-i2c.txt | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/i2c/mrvl-i2c.txt b/Documentation/devicetree/bindings/i2c/mrvl-i2c.txt index 071eb3c..b891ee2 100644 --- a/Documentation/devicetree/bindings/i2c/mrvl-i2c.txt +++ b/Documentation/devicetree/bindings/i2c/mrvl-i2c.txt @@ -3,34 +3,31 @@ 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 : should be "mrvl,mmp-twsi" where mmp 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. + - interrupts : the interrupt number - interrupt-parent : the phandle for the interrupt controller that - services interrupts for this device. + services interrupts for this device. If the parent is the default + interrupt controller in device tree, it could be ignored. - 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"; + compatible = "mrvl,mmp-twsi"; reg = <0xd4011000 0x1000>; interrupts = <7>; mrvl,i2c-fast-mode; }; twsi2: i2c@d4025000 { - compatible = "mrvl,mmp-twsi", "mrvl,pxa-i2c"; + compatible = "mrvl,mmp-twsi"; reg = <0xd4025000 0x1000>; interrupts = <58>; }; |