From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- .../devicetree/bindings/extcon/extcon-palmas.txt | 19 ++++++++++++++++ .../devicetree/bindings/extcon/extcon-rt8973a.txt | 25 ++++++++++++++++++++++ .../devicetree/bindings/extcon/extcon-sm5502.txt | 23 ++++++++++++++++++++ .../devicetree/bindings/extcon/extcon-usb-gpio.txt | 18 ++++++++++++++++ 4 files changed, 85 insertions(+) create mode 100644 Documentation/devicetree/bindings/extcon/extcon-palmas.txt create mode 100644 Documentation/devicetree/bindings/extcon/extcon-rt8973a.txt create mode 100644 Documentation/devicetree/bindings/extcon/extcon-sm5502.txt create mode 100644 Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt (limited to 'Documentation/devicetree/bindings/extcon') diff --git a/Documentation/devicetree/bindings/extcon/extcon-palmas.txt b/Documentation/devicetree/bindings/extcon/extcon-palmas.txt new file mode 100644 index 000000000..45414bbcd --- /dev/null +++ b/Documentation/devicetree/bindings/extcon/extcon-palmas.txt @@ -0,0 +1,19 @@ +EXTCON FOR PALMAS/TWL CHIPS + +PALMAS USB COMPARATOR +Required Properties: + - compatible: should contain one of: + * "ti,palmas-usb-vid". + * "ti,twl6035-usb-vid". + * "ti,palmas-usb" (DEPRECATED - use "ti,palmas-usb-vid"). + * "ti,twl6035-usb" (DEPRECATED - use "ti,twl6035-usb-vid"). + +Optional Properties: + - ti,wakeup : To enable the wakeup comparator in probe + - ti,enable-id-detection: Perform ID detection. + - ti,enable-vbus-detection: Perform VBUS detection. + +palmas-usb { + compatible = "ti,twl6035-usb", "ti,palmas-usb"; + ti,wakeup; +}; diff --git a/Documentation/devicetree/bindings/extcon/extcon-rt8973a.txt b/Documentation/devicetree/bindings/extcon/extcon-rt8973a.txt new file mode 100644 index 000000000..6dede7d11 --- /dev/null +++ b/Documentation/devicetree/bindings/extcon/extcon-rt8973a.txt @@ -0,0 +1,25 @@ + +* Richtek RT8973A - Micro USB Switch device + +The Richtek RT8973A is Micro USB Switch with OVP and I2C interface. The RT8973A +is a USB port accessory detector and switch that is optimized to protect low +voltage system from abnormal high input voltage (up to 28V) and supports high +speed USB operation. Also, RT8973A support 'auto-configuration' mode. +If auto-configuration mode is enabled, RT8973A would control internal h/w patch +for USB D-/D+ switching. + +Required properties: +- compatible: Should be "richtek,rt8973a-muic" +- reg: Specifies the I2C slave address of the MUIC block. It should be 0x14 +- interrupt-parent: Specifies the phandle of the interrupt controller to which + the interrupts from rt8973a are delivered to. +- interrupts: Interrupt specifiers for detection interrupt sources. + +Example: + + rt8973a@14 { + compatible = "richtek,rt8973a-muic"; + interrupt-parent = <&gpx1>; + interrupts = <5 0>; + reg = <0x14>; + }; diff --git a/Documentation/devicetree/bindings/extcon/extcon-sm5502.txt b/Documentation/devicetree/bindings/extcon/extcon-sm5502.txt new file mode 100644 index 000000000..4ecda2249 --- /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>; + }; diff --git a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt new file mode 100644 index 000000000..af0b903de --- /dev/null +++ b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt @@ -0,0 +1,18 @@ +USB GPIO Extcon device + +This is a virtual device used to generate USB cable states from the USB ID pin +connected to a GPIO pin. + +Required properties: +- compatible: Should be "linux,extcon-usb-gpio" +- id-gpio: gpio for USB ID pin. See gpio binding. + +Example: Examples of extcon-usb-gpio node in dra7-evm.dts as listed below: + extcon_usb1 { + compatible = "linux,extcon-usb-gpio"; + id-gpio = <&gpio6 1 GPIO_ACTIVE_HIGH>; + } + + &omap_dwc3_1 { + extcon = <&extcon_usb1>; + }; -- cgit v1.2.3