On Mon, Feb 13, 2023 at 12:38:27PM +0530, Manivannan Sadhasivam wrote:
> Document the commonly used LED triggers by the SoCs. Not all triggers
> are documented as some of them are very application specific. Most of the
> triggers documented here are currently used in devicetrees of many SoCs.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
>
> Changes in v5:
>
> * Rebased on top of v6.2-rc1
Noticed that Lee is now maintaining LED subsystem after sending v5.
So rebased the patch on top of lee/for-leds-next branch and sent v6.
Thanks,
Mani
>
> Changes in v4:
>
> * Removed the sorting of triggers
> * Removed the "items" as they were not needed
> * Reworded the description
> * Dropped Zhen Lei's tested-by tag as the patch has changed
> * Added kbd-capslock trigger
>
> Changes in v3:
>
> * Rebased on top of v6.1-rc1
> * Added WLAN Rx trigger
> * Added tested tag from Zhen Lei
>
> Changes in v2:
>
> * Added more triggers, fixed the regex
> * Sorted triggers in ascending order
>
> .../devicetree/bindings/leds/common.yaml | 35 +++++++++++++++++++
> 1 file changed, 35 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
> index f5c57a580078..d01a52e9e982 100644
> --- a/Documentation/devicetree/bindings/leds/common.yaml
> +++ b/Documentation/devicetree/bindings/leds/common.yaml
> @@ -98,9 +98,44 @@ properties:
> # LED alters the brightness for the specified duration with one software
> # timer (requires "led-pattern" property)
> - pattern
> + # LED indicates mic mute state
> + - audio-micmute
> + # LED indicates audio mute state
> + - audio-mute
> + # LED indicates bluetooth power state
> + - bluetooth-power
> + # LED indicates activity of all CPUs
> + - cpu
> + # LED indicates disk read activity
> + - disk-read
> + # LED indicates disk write activity
> + - disk-write
> + # LED indicates camera flash state
> + - flash
> + # LED indicated keyboard capslock
> + - kbd-capslock
> + # LED indicates MTD memory activity
> + - mtd
> + # LED indicates NAND memory activity (deprecated),
> + # in new implementations use "mtd"
> + - nand-disk
> + # No trigger assigned to the LED. This is the default mode
> + # if trigger is absent
> + - none
> + # LED indicates camera torch state
> + - torch
> + # LED indicates USB gadget activity
> + - usb-gadget
> + # LED indicates USB host activity
> + - usb-host
> # LED is triggered by SD/MMC activity
> - pattern: "^mmc[0-9]+$"
> + # LED is triggered by CPU activity
> - pattern: "^cpu[0-9]*$"
> + # LED indicates power status of [N]th Bluetooth HCI device
> + - pattern: "^hci[0-9]{1,2}-power$"
> + # LED indicates [N]th WLAN Tx/Rx activity
> + - pattern: "^phy[0-9]{1,2}(tx|rx)$"
>
> led-pattern:
> description: |
> --
> 2.25.1
>
--
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