From d3b503140e15d302bc55cf5a90226f0f85860bc2 Mon Sep 17 00:00:00 2001 From: Chanwoo Choi Date: Fri, 23 May 2014 15:35:22 +0900 Subject: dt-bindings: extcon: Add support for SM5502 MUIC device This patch add documentation for binding of SM5502 MUIC (Micro-USB Interface Controller) device which is using EXTCON subsystem. The SM5502 MUIC device can detect various external accessories when external accessories is attached or detached. Signed-off-by: Chanwoo Choi --- .../devicetree/bindings/extcon/extcon-sm5502.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/extcon/extcon-sm5502.txt (limited to 'Documentation/devicetree/bindings/extcon') diff --git a/Documentation/devicetree/bindings/extcon/extcon-sm5502.txt b/Documentation/devicetree/bindings/extcon/extcon-sm5502.txt new file mode 100644 index 000000000000..4ecda224955f --- /dev/null +++ b/Documentation/devicetree/bindings/extcon/extcon-sm5502.txt @@ -0,0 +1,23 @@ + +* SM5502 MUIC (Micro-USB Interface Controller) device + +The Silicon Mitus SM5502 is a MUIC (Micro-USB Interface Controller) device +which can detect the state of external accessory when external accessory is +attached or detached and button is pressed or released. It is interfaced to +the host controller using an I2C interface. + +Required properties: +- compatible: Should be "siliconmitus,sm5502-muic" +- reg: Specifies the I2C slave address of the MUIC block. It should be 0x25 +- interrupt-parent: Specifies the phandle of the interrupt controller to which + the interrupts from sm5502 are delivered to. +- interrupts: Interrupt specifiers for detection interrupt sources. + +Example: + + sm5502@25 { + compatible = "siliconmitus,sm5502-muic"; + interrupt-parent = <&gpx1>; + interrupts = <5 0>; + reg = <0x25>; + }; -- cgit v1.2.3-59-g8ed1b