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authorLudovic Desroches <ludovic.desroches@atmel.com>2012-09-12 08:42:14 +0200
committerWolfram Sang <w.sang@pengutronix.de>2012-09-12 14:49:15 +0200
commit70d46a241ed3bb0d1bb2bc15720b6f7c215c37f5 (patch)
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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.txt30
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
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+++ b/Documentation/devicetree/bindings/i2c/atmel-i2c.txt
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+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>;
+ }
+}