linux-kernel - [PATCH v29 01/16] dt: bindings: Add multicolor class dt bindings documention

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Message-ID: <20200622185919.2131-2-dmurphy@ti.com>
Date:   Mon, 22 Jun 2020 13:59:04 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <jacek.anaszewski@...il.com>, <pavel@....cz>, <robh@...nel.org>
CC:     <devicetree@...r.kernel.org>, <linux-leds@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH v29 01/16] dt: bindings: Add multicolor class dt bindings documention

Add DT bindings for the LEDs multicolor class framework.
Add multicolor ID to the color ID list for device tree bindings.

CC: Rob Herring <robh@...nel.org>
Acked-by: Pavel Machek <pavel@....cz>
Acked-by: Jacek Anaszewski <jacek.anaszewski@...il.com>
Signed-off-by: Dan Murphy <dmurphy@...com>
---
 .../bindings/leds/leds-class-multicolor.yaml  | 37 +++++++++++++++++++
 include/dt-bindings/leds/common.h             |  3 +-
 2 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml

diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
new file mode 100644
index 000000000000..b55e1f1308a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-class-multicolor.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common properties for the multicolor LED class.
+
+maintainers:
+  - Dan Murphy <dmurphy@...com>
+
+description: |
+  Bindings for multi color LEDs show how to describe current outputs of
+  either integrated multi-color LED elements (like RGB, RGBW, RGBWA-UV
+  etc.) or standalone LEDs, to achieve logically grouped multi-color LED
+  modules. This is achieved by adding multi-led nodes layer to the
+  monochrome LED bindings.
+  The nodes and properties defined in this document are unique to the multicolor
+  LED class.  Common LED nodes and properties are inherited from the common.txt
+  within this documentation directory.
+
+patternProperties:
+  "^multi-led@([0-9a-f])$":
+    type: object
+    description: Represents the LEDs that are to be grouped.
+    properties:
+      color:
+        const: 8  # LED_COLOR_ID_MULTI
+        description: |
+          For multicolor LED support this property should be defined as
+          LED_COLOR_ID_MULTI which can be found in include/linux/leds/common.h.
+
+    $ref: "common.yaml#"
+
+    required:
+      - color
+...
diff --git a/include/dt-bindings/leds/common.h b/include/dt-bindings/leds/common.h
index 0ce7dfc00dcb..a463ce6a8794 100644
--- a/include/dt-bindings/leds/common.h
+++ b/include/dt-bindings/leds/common.h
@@ -30,7 +30,8 @@
 #define LED_COLOR_ID_VIOLET	5
 #define LED_COLOR_ID_YELLOW	6
 #define LED_COLOR_ID_IR		7
-#define LED_COLOR_ID_MAX	8
+#define LED_COLOR_ID_MULTI	8
+#define LED_COLOR_ID_MAX	9
 
 /* Standard LED functions */
 /* Keyboard LEDs, usually it would be input4::capslock etc. */
-- 
2.26.2