diff mbox series

[v6,1/2] dt-bindings: Add docs for EL15203000

Message ID 20190906132916.12423-2-oleg@kaa.org.ua
State Not Applicable, archived
Headers show
Series [v6,1/2] dt-bindings: Add docs for EL15203000 | expand

Commit Message

Oleh Kravchenko Sept. 6, 2019, 1:29 p.m. UTC 
Add documentation and example for dt-bindings EL15203000.
LED board (aka RED LED board) from Crane Merchandising Systems.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
---
 .../bindings/leds/leds-el15203000.txt         | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/leds-el15203000.txt
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/leds/leds-el15203000.txt b/Documentation/devicetree/bindings/leds/leds-el15203000.txt
new file mode 100644
index 000000000000..c00e1b55db97
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-el15203000.txt
@@ -0,0 +1,54 @@ 
+Crane Merchandising System - el15203000 LED driver
+--------------------------------------------------
+
+This LED Board (aka RED LEDs board) is widely used in
+coffee vending machines produced by Crane Merchandising Systems.
+
+Required properties:
+- compatible : "crane,el15203000"
+- reg :
+	see Documentation/devicetree/bindings/spi/spi-bus.txt
+- spi-max-frequency : (optional)
+	see Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Optional LED sub-node properties:
+- function:
+	see Documentation/devicetree/bindings/leds/common.txt
+- color:
+	see Documentation/devicetree/bindings/leds/common.txt
+- label:
+	see Documentation/devicetree/bindings/leds/common.txt (deprecated)
+
+Example
+-------
+
+#include <dt-bindings/leds/common.h>
+
+led-controller@0 {
+	compatible = "crane,el15203000";
+	reg = <0>;
+	spi-max-frequency = <50000>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	/* water pipe */
+	led@50 {
+		reg = <0x50>;
+		function = "pipe";
+		color = <LED_COLOR_ID_RED>;
+	};
+
+	/* screen frame */
+	led@53 {
+		reg = <0x53>;
+		function = "screen";
+		color = <LED_COLOR_ID_RED>;
+	};
+
+	/* vending area */
+	led@56 {
+		reg = <0x56>;
+		function = "vend";
+		color = <LED_COLOR_ID_RED>;
+	};
+};