From 70d46a241ed3bb0d1bb2bc15720b6f7c215c37f5 Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Wed, 12 Sep 2012 08:42:14 +0200 Subject: i2c: at91: add dt support to i2c-at91 Signed-off-by: Ludovic Desroches Acked-by: Nikolaus Voss Acked-by: Nicolas Ferre Signed-off-by: Wolfram Sang --- .../devicetree/bindings/i2c/atmel-i2c.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/atmel-i2c.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/i2c/atmel-i2c.txt b/Documentation/devicetree/bindings/i2c/atmel-i2c.txt new file mode 100644 index 0000000..b689a0d --- /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>; + } +} -- cgit v1.1