linux-kernel - [PATCH v2 4/6] dt-bindings: leds: lp55xx: rework to match multi-led

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Date:   Sun, 27 Nov 2022 21:40:56 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Vincent Knecht <vincent.knecht@...loo.org>,
        Nikita Travkin <nikitos.tr@...il.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Andrew Davis <afd@...com>, Gene Chen <gene_chen@...htek.com>,
        Bjorn Andersson <andersson@...nel.org>,
        ChiYuan Huang <cy_huang@...htek.com>,
        Luca Weiss <luca@...tu.xyz>, Neil Brown <neilb@...e.de>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 4/6] dt-bindings: leds: lp55xx: rework to match multi-led

The binding allows two type of LEDs - single and multi-color.  They
differ with properties, so fix the bindings to accept both cases.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../devicetree/bindings/leds/leds-lp55xx.yaml | 43 ++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml b/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
index 9a38e5ee43fe..ae607911f1db 100644
--- a/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
+++ b/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
@@ -67,9 +67,50 @@ properties:
     const: 0
 
 patternProperties:
-  "(^led@[0-9a-f]$|led)":
+  '^multi-led@[0-8]$':
+    type: object
+    $ref: leds-class-multicolor.yaml#
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        maximum: 8
+
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      "^led@[0-8]$":
+        type: object
+        $ref: common.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          led-cur:
+            $ref: /schemas/types.yaml#/definitions/uint8
+            description: |
+              Current setting at each LED channel (mA x10, 0 if LED is not connected)
+            minimum: 0
+            maximum: 255
+
+          max-cur:
+            $ref: /schemas/types.yaml#/definitions/uint8
+            description: Maximun current at each LED channel.
+
+          reg:
+            maximum: 8
+
+        required:
+          - reg
+
+  "^led@[0-8]$":
     type: object
     $ref: common.yaml#
+    unevaluatedProperties: false
+
     properties:
       led-cur:
         $ref: /schemas/types.yaml#/definitions/uint8
-- 
2.34.1