linux-kernel - [PATCH RFC 2/4] leds: dt-bindings: add disk trigger for each ata port

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Message-Id: <20260123-ledtrig_disk_-v1-2-07004756467b@posteo.de>
Date: Fri, 23 Jan 2026 19:05:06 +0000
From: Markus Probst <markus.probst@...teo.de>
To: Lee Jones <lee@...nel.org>, Pavel Machek <pavel@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Jacek Anaszewski <jacek.anaszewski@...il.com>, 
 Damien Le Moal <dlemoal@...nel.org>, Niklas Cassel <cassel@...nel.org>, 
 John Garry <john.g.garry@...cle.com>, Jason Yan <yanaijie@...wei.com>, 
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>, 
 "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: Pavel Machek <pavel@....cz>, linux-leds@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-ide@...r.kernel.org, linux-scsi@...r.kernel.org, 
 Markus Probst <markus.probst@...teo.de>
Subject: [PATCH RFC 2/4] leds: dt-bindings: add disk trigger for each ata
 port

Document disk trigger showing only disk activity for one specific ata
port.

Signed-off-by: Markus Probst <markus.probst@...teo.de>
---
 Documentation/devicetree/bindings/leds/common.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
index d0f2fee7622c..ca51eeadfad0 100644
--- a/Documentation/devicetree/bindings/leds/common.yaml
+++ b/Documentation/devicetree/bindings/leds/common.yaml
@@ -136,6 +136,12 @@ properties:
       - pattern: "^mmc[0-9]+$"
         # LED is triggered by WLAN activity
       - pattern: "^phy[0-9]+tx$"
+        # LED indicates disk activity for a specific ata port
+      - pattern: "^.*-ata[0-9]+-disk-activity$"
+        # LED indicates disk read activity for a specific ata port
+      - pattern: "^.*-ata[0-9]+-disk-read$"
+        # LED indicates disk write activity for a specific ata port
+      - pattern: "^.*-ata[0-9]+-disk-write$"

   led-pattern:
     description: |

-- 
2.52.0