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Subject[PATCH v3 2/3] dt-bindings: leds: Shiji Lighting APA102C LED
Date
Document Shiji Lighting APA102C LED driver device tree bindings.

Signed-off-by: Nicolas Belin <nbelin@baylibre.com>
---
.../devicetree/bindings/leds/leds-apa102c.yaml | 97 ++++++++++++++++++++++
1 file changed, 97 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/leds-apa102c.yaml

diff --git a/Documentation/devicetree/bindings/leds/leds-apa102c.yaml b/Documentation/devicetree/bindings/leds/leds-apa102c.yaml
new file mode 100644
index 000000000000..21457fc3762d
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-apa102c.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-apa102c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LED driver for Shiji Lighting - APA102C
+
+maintainers:
+ - Nicolas Belin <nbelin@baylibre.com>
+
+description:
+ Each RGB LED is represented as a rgb-led sub-node of the leds-apa102c
+ device. Each LED is a three color rgb LED with an additional 32 levels
+ brightness adjustment. They can be cascaded so that multiple LEDs can be set
+ with a single command.
+
+properties:
+ compatible:
+ const: shiji,apa102c
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency:
+ maximum: 1000000
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^rgb-led@[0-9]+$":
+ type: object
+ description: |
+ Array of connected RGB LEDs.
+
+ properties:
+ reg:
+ description: |
+ This property corresponds to the led index. It has to be between 0
+ and the number of managed leds minus 1
+ maxItems: 1
+
+ label:
+ description: |
+ This property corresponds to the name of the RGB led.
+ maxItems: 1
+
+ linux,default-trigger: true
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ required:
+ - reg
+ - label
+ - '#address-cells'
+ - '#size-cells'
+
+required:
+ - compatible
+ - reg
+ - spi-max-frequency
+ - '#address-cells'
+ - '#size-cells'
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ led-controller@0 {
+ compatible = "shiji,apa102c";
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ rgb-led@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ label = "rgb_led1";
+ };
+ rgb-led@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ label = "rgb_led2";
+ };
+ };
+ };
--
2.7.4
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