diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-27 16:47:35 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-27 16:47:35 -0700 |
commit | 66f03c614c0902ccf7d6160459362a9352f33271 (patch) | |
tree | b9a8864efe5aa7fc5c96cc5ccbeca41f5cd6f6a7 /Documentation/devicetree/bindings/i2c | |
parent | 34800598b2eebe061445216473b1e4c2ff5cba99 (diff) | |
parent | cdc3df6f44f72c5924a16a47e1663c3fb0e57820 (diff) |
Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: device tree work" from Arnd Bergmann:
"Most of these patches convert code from using static platform data to
describing the hardware in the device tree. This is only the first
half of the changes for v3.4 because a lot of patches for this topic
came in the last week before the merge window.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fix up trivial conflicts in arch/arm/mach-vexpress/{Kconfig,core.h}
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (86 commits)
Document: devicetree: add OF documents for arch-mmp
ARM: dts: append DTS file of pxa168
ARM: mmp: append OF support on pxa168
ARM: mmp: enable rtc clk in pxa168
i2c: pxa: add OF support
serial: pxa: add OF support
arm/dts: mt_ventoux: very basic support for TeeJet Mt.Ventoux board
ARM: OMAP2+: Remove extra ifdefs for board-generic
ARM: OMAP2+: Fix build error when only ARCH_OMAP2/3 or 4 is selected
ASoC: DT: Add digital microphone binding to PAZ00 board.
ARM: dt: Add ARM PMU to tegra*.dtsi
ARM: at91: at91sam9x5cm/dt: add leds support
ARM: at91: usb_a9g20/dt: add gpio-keys support
ARM: at91: at91sam9m10g45ek/dt: add gpio-keys support
ARM: at91: at91sam9m10g45ek/dt: add leds support
ARM: at91: usb_a9g20/dt: add leds support
ARM: at91/pio: add new PIO3 features
ARM: at91: add sam9_smc.o to at91sam9x5 build
ARM: at91/tc/clocksource: Add 32 bit variant to Timer Counter
ARM: at91/tc: add device tree support to atmel_tclib
...
Diffstat (limited to 'Documentation/devicetree/bindings/i2c')
-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 000000000000..071eb3caae91 --- /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>; + }; + |