From 17573c2791a76acd71fa82db513f31e965aa641b Mon Sep 17 00:00:00 2001 From: Moritz Fischer Date: Mon, 28 Dec 2015 09:47:10 -0800 Subject: i2c: Describe Cadence I2C devicetree bindings Signed-off-by: Moritz Fischer Reviewed-by: Heiko Schocher Signed-off-by: Michal Simek --- doc/device-tree-bindings/i2c/i2c-cdns.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 doc/device-tree-bindings/i2c/i2c-cdns.txt diff --git a/doc/device-tree-bindings/i2c/i2c-cdns.txt b/doc/device-tree-bindings/i2c/i2c-cdns.txt new file mode 100644 index 0000000..202e0b7 --- /dev/null +++ b/doc/device-tree-bindings/i2c/i2c-cdns.txt @@ -0,0 +1,20 @@ +Cadence I2C controller Device Tree Bindings +------------------------------------------- + +Required properties: +- compatible : Should be "cdns,i2c-r1p10" or "xlnx,zynq-spi-r1p10". +- reg : Physical base address and size of I2C registers map. +- interrupts : Property with a value describing the interrupt + number. +- interrupt-parent : Must be core interrupt controller +- clocks : Clock phandles (see clock bindings for details). + +Example: + i2c0: i2c@e0004000 { + compatible = "cdns,i2c-r1p10"; + reg = <0xe0004000 0x1000>; + clocks = <&clkc 38>; + interrupts = <0 25 4>; + interrupt-parent = <&intc>; + status = "disabled"; + }; -- cgit v1.1