From: Rafał Miłecki <[email protected]> Some LEDs can be related to particular USB ports (common case for home routers). This property allows describing such a relation.
Signed-off-by: Rafał Miłecki <[email protected]> --- This patch is based on top of commit 52e847dc431 ("DT: leds: Improve examples by adding some context") sitting in the linux-leds.git (for-4.11). --- Documentation/devicetree/bindings/leds/common.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt index 24b6560..fcfe661 100644 --- a/Documentation/devicetree/bindings/leds/common.txt +++ b/Documentation/devicetree/bindings/leds/common.txt @@ -49,6 +49,14 @@ Optional properties for child nodes: - panic-indicator : This property specifies that the LED should be used, if at all possible, as a panic indicator. +- usb-ports : List of USB ports related to this LED. Some devices have LEDs that + should be used to indicate USB device activity. This can be + described with this property. + There can be more than one LED like this, e.g. some vendors use + one controller per USB version. It's then common to use different + color LEDs depending on device USB standard (like USB 2.0 vs. + USB 3.0). + Required properties for flash LED child nodes: - flash-max-microamp : Maximum flash LED supply current in microamperes. - flash-max-timeout-us : Maximum timeout in microseconds after which the flash @@ -69,6 +77,11 @@ gpio-leds { linux,default-trigger = "heartbeat"; gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>; }; + + usb { + gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; + usb-ports = <&ohci_port1>, <&ehci_port1>; + }; }; max77693-led { -- 2.10.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
