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| author | Ludovic Desroches <ludovic.desroches@atmel.com> | 2012-09-12 08:42:14 +0200 |
|---|---|---|
| committer | Wolfram Sang <w.sang@pengutronix.de> | 2012-09-12 14:49:15 +0200 |
| commit | 70d46a241ed3bb0d1bb2bc15720b6f7c215c37f5 (patch) | |
| tree | fc064aa0b4c24e39ed6f36f5d1ddb5ae5d51e55c /Documentation | |
| parent | ARM: at91: do not configure at91sam9g10 twi pio as open-drain (diff) | |
| download | linux-70d46a241ed3bb0d1bb2bc15720b6f7c215c37f5.tar.xz linux-70d46a241ed3bb0d1bb2bc15720b6f7c215c37f5.zip | |
i2c: at91: add dt support to i2c-at91
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nikolaus Voss <n.voss@weinmann.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/atmel-i2c.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/atmel-i2c.txt b/Documentation/devicetree/bindings/i2c/atmel-i2c.txt new file mode 100644 index 000000000000..b689a0d9441c --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/atmel-i2c.txt @@ -0,0 +1,30 @@ +I2C for Atmel platforms + +Required properties : +- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", + "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c" + or "atmel,at91sam9x5-i2c" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: interrupt number to the cpu. +- #address-cells = <1>; +- #size-cells = <0>; + +Optional properties: +- Child nodes conforming to i2c bus binding + +Examples : + +i2c0: i2c@fff84000 { + compatible = "atmel,at91sam9g20-i2c"; + reg = <0xfff84000 0x100>; + interrupts = <12 4 6>; + #address-cells = <1>; + #size-cells = <0>; + + 24c512@50 { + compatible = "24c512"; + reg = <0x50>; + pagesize = <128>; + } +} |