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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-18 13:46:13 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-18 13:46:13 -0800 |
commit | aa303f2c06c0f3b42190b7e56c16bc856b1a1b28 (patch) | |
tree | a916c85bbdd3a23e27c1f71aa90afe8a179d99bb /Documentation/devicetree | |
parent | 4a7c1ff2362b7bfbc04990f42c21cefdff57f997 (diff) | |
parent | 6f36a806e588f2ce62571a1859ea1d7f2c7dde83 (diff) |
Merge branch 'for-linus/i2c-33' of git://git.fluff.org/bjdooks/linux
* 'for-linus/i2c-33' of git://git.fluff.org/bjdooks/linux:
i2c-eg20t: Change-company-name-OKI-SEMICONDUCTOR to LAPIS Semiconductor
i2c-eg20t: Support new device LAPIS Semiconductor ML7831 IOH
i2c-eg20t: modified the setting of transfer rate.
i2c-eg20t: use i2c_add_numbered_adapter to get a fixed bus number
i2c: OMAP: Add DT support for i2c controller
I2C: OMAP: NACK without STP
I2C: OMAP: correct SYSC register offset for OMAP4
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/omap-i2c.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/omap-i2c.txt b/Documentation/devicetree/bindings/i2c/omap-i2c.txt new file mode 100644 index 000000000000..56564aa4b444 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/omap-i2c.txt @@ -0,0 +1,30 @@ +I2C for OMAP platforms + +Required properties : +- compatible : Must be "ti,omap3-i2c" or "ti,omap4-i2c" +- ti,hwmods : Must be "i2c<n>", n being the instance number (1-based) +- #address-cells = <1>; +- #size-cells = <0>; + +Recommended properties : +- clock-frequency : Desired I2C bus clock frequency in Hz. Otherwise + the default 100 kHz frequency will be used. + +Optional properties: +- Child nodes conforming to i2c bus binding + +Note: Current implementation will fetch base address, irq and dma +from omap hwmod data base during device registration. +Future plan is to migrate hwmod data base contents into device tree +blob so that, all the required data will be used from device tree dts +file. + +Examples : + +i2c1: i2c@0 { + compatible = "ti,omap3-i2c"; + #address-cells = <1>; + #size-cells = <0>; + ti,hwmods = "i2c1"; + clock-frequency = <400000>; +}; |