linux-kernel - [PATCH 1/2] dt-bindings: leds: add generic LED consumer documentation

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Message-ID: <010201990a1f5ad8-fc97fc84-9ef9-4a03-bf1c-2d54423c6497-000000@eu-west-1.amazonses.com>
Date: Tue, 2 Sep 2025 11:10:51 +0000
From: Aleksandrs Vinarskis <alex@...arskis.com>
To: Hans de Goede <hansg@...nel.org>, 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>, 
	Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: linux-leds@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, 
	Aleksandrs Vinarskis <alex@...arskis.com>
Subject: [PATCH 1/2] dt-bindings: leds: add generic LED consumer
 documentation

Currently supports passing 'led-names' used to map LED devices to their
respective functions.

Signed-off-by: Aleksandrs Vinarskis <alex@...arskis.com>
---
 .../devicetree/bindings/leds/leds-consumer.yaml    | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/Documentation/devicetree/bindings/leds/leds-consumer.yaml b/Documentation/devicetree/bindings/leds/leds-consumer.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..a63e78417df84609e279835f7dae62e3ad2f0bf5
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-consumer.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-consumer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common leds consumer
+
+maintainers:
+  - Aleksandrs Vinarskis <alex@...arskis.com>
+
+description:
+  Some LED defined in DT are required by other DT consumers, for example
+  v4l2 subnode may require privacy or flash LED.
+
+  Document LED properties that its consumers may define.
+
+properties:
+  leds:
+    description:
+      Phandle to LED device(s) required by particular consumer.
+    $ref: /schemas/types.yaml#/definitions/phandle
+  led-names:
+    description:
+      List of device name(s). Used to map LED devices to their respective
+      functions, when consumer requires more than one LED.
+
+additionalProperties: true
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/leds/common.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      camera@36 {
+        compatible = "ovti,ov02c10";
+        reg = <0x36>;
+
+        reset-gpios = <&tlmm 237 GPIO_ACTIVE_LOW>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&cam_rgb_default>;
+
+        led-names = "privacy-led";
+        leds = <&privacy_led>;
+
+        clocks = <&ov02e10_clk>;
+
+        assigned-clocks = <&ov02e10_clk>;
+        assigned-clock-rates = <19200000>;
+
+        avdd-supply = <&vreg_l7b_2p8>;
+        dvdd-supply = <&vreg_l7b_2p8>;
+        dovdd-supply = <&vreg_cam_1p8>;
+
+        port {
+          ov02e10_ep: endpoint {
+            data-lanes = <1 2>;
+            link-frequencies = /bits/ 64 <400000000>;
+            remote-endpoint = <&csiphy4_ep>;
+          };
+        };
+      };
+    };
+
+...

-- 
2.48.1