From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank.Li@freescale.com (Frank.Li at freescale.com) Date: Wed, 27 May 2015 00:26:01 +0800 Subject: [PATCH v5 5/6] Document: devicetree: input: imx: i.mx snvs power device tree bindings In-Reply-To: <1432657562-5592-1-git-send-email-Frank.Li@freescale.com> References: <1432657562-5592-1-git-send-email-Frank.Li@freescale.com> Message-ID: <1432657562-5592-6-git-send-email-Frank.Li@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Frank Li 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 --- .../devicetree/bindings/crypto/fsl-sec4.txt | 49 ++++++++++++++++++++++ .../devicetree/bindings/input/snvs-pwrkey.txt | 1 + 2 files changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/snvs-pwrkey.txt diff --git a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt index b21e7c2..71a39c5 100644 --- a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt +++ b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt @@ -387,6 +387,47 @@ EXAMPLE }; ===================================================================== +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 at 0x020cc000 { + compatible = "fsl,sec-v4.0-pwrkey"; + regmap = <&snvs>; + interrupts = <0 4 0x4> + linux,keycode = <116>; /* KEY_POWER */ + wakeup; + }; + +===================================================================== FULL EXAMPLE crypto: crypto at 300000 { @@ -466,6 +507,14 @@ FULL EXAMPLE offset = <0x34>; interrupts = <93 2>; }; + + snvs-pwrkey at 0x020cc000 { + compatible = "fsl,sec-v4.0-pwrkey"; + regmap = <&sec_mon>; + interrupts = <0 4 0x4>; + linux,keycode = <116>; /* KEY_POWER */ + wakeup; + }; }; ===================================================================== diff --git a/Documentation/devicetree/bindings/input/snvs-pwrkey.txt b/Documentation/devicetree/bindings/input/snvs-pwrkey.txt new file mode 100644 index 0000000..70c1425 --- /dev/null +++ b/Documentation/devicetree/bindings/input/snvs-pwrkey.txt @@ -0,0 +1 @@ +See Documentation/devicetree/bindings/crypto/fsl-sec4.txt -- 1.9.1