From cc28791d5ece61eaa78e7b9bbc3ac1d14f664683 Mon Sep 17 00:00:00 2001 From: Frank Li Date: Wed, 27 May 2015 00:26:01 +0800 Subject: Document: devicetree: input: imx: i.mx snvs power device tree bindings The snvs-pwrkey is designed to enable POWER key function which controlled by SNVS ONOFF. the driver can report the status of POWER key and wakeup system if pressed after system suspend. Signed-off-by: Frank Li Signed-off-by: Robin Gong Signed-off-by: Shawn Guo --- .../devicetree/bindings/crypto/fsl-sec4.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) (limited to 'Documentation/devicetree/bindings/crypto') diff --git a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt index b21e7c2eef21..71a39c5bd486 100644 --- a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt +++ b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt @@ -386,6 +386,47 @@ EXAMPLE offset = <0x34>; }; +===================================================================== +System ON/OFF key driver + + The snvs-pwrkey is designed to enable POWER key function which controlled + by SNVS ONOFF, the driver can report the status of POWER key and wakeup + system if pressed after system suspend. + + - compatible: + Usage: required + Value type: + Definition: Mush include "fsl,sec-v4.0-pwrkey". + + - interrupts: + Usage: required + Value type: + Definition: The SNVS ON/OFF interrupt number to the CPU(s). + + - linux,keycode: + Usage: option + Value type: + Definition: Keycode to emit, KEY_POWER by default. + + - wakeup: + Usage: option + Value type: + Definition: Button can wake-up the system. + + - regmap: + Usage: required: + Value type: + Definition: this is phandle to the register map node. + +EXAMPLE: + snvs-pwrkey@0x020cc000 { + compatible = "fsl,sec-v4.0-pwrkey"; + regmap = <&snvs>; + interrupts = <0 4 0x4> + linux,keycode = <116>; /* KEY_POWER */ + wakeup; + }; + ===================================================================== FULL EXAMPLE @@ -466,6 +507,14 @@ FULL EXAMPLE offset = <0x34>; interrupts = <93 2>; }; + + snvs-pwrkey@0x020cc000 { + compatible = "fsl,sec-v4.0-pwrkey"; + regmap = <&sec_mon>; + interrupts = <0 4 0x4>; + linux,keycode = <116>; /* KEY_POWER */ + wakeup; + }; }; ===================================================================== -- cgit v1.2.3