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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /Documentation/devicetree/bindings/i2c/i2c-pxa.txt |
Initial import
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-pxa.txt')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-pxa.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-pxa.txt b/Documentation/devicetree/bindings/i2c/i2c-pxa.txt new file mode 100644 index 000000000..12b78ac50 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-pxa.txt @@ -0,0 +1,33 @@ +* Marvell MMP I2C controller + +Required properties : + + - reg : Offset and length of the register set for the device + - 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 : the interrupt number + - interrupt-parent : the phandle for the interrupt controller that + 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"; + reg = <0xd4011000 0x1000>; + interrupts = <7>; + mrvl,i2c-fast-mode; + }; + + twsi2: i2c@d4025000 { + compatible = "mrvl,mmp-twsi"; + reg = <0xd4025000 0x1000>; + interrupts = <58>; + }; |