diff options
| author | Songjun Wu <songjun.wu@atmel.com> | 2016-06-20 13:22:39 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas@biessmann.org> | 2016-08-15 22:12:00 +0200 |
| commit | e3b7599be71aea67c67edfc44fcbd529df0c0eab (patch) | |
| tree | 9d219c5b2775e1f2ad4206c21f4653068f03e37b /doc/device-tree-bindings/i2c | |
| parent | 8800e0fa20c89df846559d85341c55439405cab6 (diff) | |
| download | u-boot-e3b7599be71aea67c67edfc44fcbd529df0c0eab.tar.gz u-boot-e3b7599be71aea67c67edfc44fcbd529df0c0eab.tar.bz2 u-boot-e3b7599be71aea67c67edfc44fcbd529df0c0eab.zip | |
i2c: atmel: DT binding for i2c driver
DT binding documentation for atmel i2c driver.
Signed-off-by: Songjun Wu <songjun.wu@atmel.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'doc/device-tree-bindings/i2c')
| -rw-r--r-- | doc/device-tree-bindings/i2c/i2c-at91.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/i2c/i2c-at91.txt b/doc/device-tree-bindings/i2c/i2c-at91.txt new file mode 100644 index 0000000000..2065b7341a --- /dev/null +++ b/doc/device-tree-bindings/i2c/i2c-at91.txt @@ -0,0 +1,26 @@ +I2C for Atmel platforms + +Required properties : +- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", + "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c", + "atmel,at91sam9x5-i2c", "atmel,sama5d4-i2c" or "atmel,sama5d2-i2c". +- reg: physical base address of the controller and length of memory mapped + region. +- #address-cells = <1>; +- #size-cells = <0>; +- clocks: phandles to input clocks. + +Optional properties: +- clock-frequency: Desired I2C bus frequency in Hz, default value is 100000. +- Child nodes conforming to i2c bus binding. + +Examples : + +i2c0: i2c@f8028000 { + compatible = "atmel,sama5d2-i2c"; + reg = <0xf8028000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&twi0_clk>; + clock-frequency = <100000>; +}; |