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Message-ID: <20220917081339.3354075-4-jjhiblot@traphandler.com>
Date: Sat, 17 Sep 2022 10:13:38 +0200
From: Jean-Jacques Hiblot <jjhiblot@...phandler.com>
To: <pavel@....cz>, <robh+dt@...nel.org>,
<sven.schwermer@...ruptive-technologies.com>,
<krzysztof.kozlowski+dt@...aro.org>
CC: <johan+linaro@...nel.org>, <marijn.suijten@...ainline.org>,
<bjorn.andersson@...aro.org>, <andy.shevchenko@...il.com>,
<linux-leds@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <sha@...gutronix.de>,
Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
Rob Herring <robh@...nel.org>
Subject: [RESEND PATCH v3 3/4] dt-bindings: leds: Add binding for a multicolor group of LEDs
This allows to group multiple monochromatic LEDs into a multicolor
LED, e.g. RGB LEDs.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@...phandler.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
.../bindings/leds/leds-group-multicolor.yaml | 64 +++++++++++++++++++
1 file changed, 64 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml
diff --git a/Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml
new file mode 100644
index 000000000000..8ed059a5a724
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-group-multicolor.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Multi-color LED built with monochromatic LEDs
+
+maintainers:
+ - Jean-Jacques Hiblot <jjhiblot@...phandler.com>
+
+description: |
+ This driver combines several monochromatic LEDs into one multi-color
+ LED using the multicolor LED class.
+
+properties:
+ compatible:
+ const: leds-group-multicolor
+
+ leds:
+ description:
+ An aray of monochromatic leds
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+
+required:
+ - leds
+
+allOf:
+ - $ref: leds-class-multicolor.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/leds/common.h>
+
+ monochromatic-leds {
+ compatible = "gpio-leds";
+
+ led0: led-0 {
+ gpios = <&mcu_pio 0 GPIO_ACTIVE_LOW>;
+ color = <LED_COLOR_ID_RED>;
+ };
+
+ led1: led-1 {
+ gpios = <&mcu_pio 1 GPIO_ACTIVE_HIGH>;
+ color = <LED_COLOR_ID_GREEN>;
+ };
+
+ led2: led-2 {
+ gpios = <&mcu_pio 2 GPIO_ACTIVE_HIGH>;
+ color = <LED_COLOR_ID_BLUE>;
+ };
+ };
+
+ multi-led {
+ compatible = "leds-group-multicolor";
+ color = <LED_COLOR_ID_RGB>;
+ function = LED_FUNCTION_INDICATOR;
+ leds = <&led0>, <&led1>, <&led2>;
+ };
+
+...
--
2.25.1
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