This patch adds the binding documentation for Spreadtrum SC27xx series
breathing light controller, which supports 3 outputs: red LED, green
LED and blue LED.
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
Changes since v2:
- Add reviewed-tag from Rob.
Changes since v1:
- Change the compatible string to be one explicit SoC name.
- Change the child node name.
- Change to be upper case for the first character.
---
.../devicetree/bindings/leds/leds-sc27xx-bltc.txt | 41 ++++++++++++++++++++
1 file changed, 41 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt
diff --git a/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt b/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt
new file mode 100644
index 0000000..b3de7fc
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt
@@ -0,0 +1,41 @@
+LEDs connected to Spreadtrum SC27XX PMIC breathing light controller
+
+The SC27xx breathing light controller supports to 3 outputs:
+red LED, green LED and blue LED. Each LED can work at normal
+PWM mode or breath light mode.
+
+Required properties:
+- compatible: Should be "sprd,sc2731-bltc".
+- #address-cells: Must be 1.
+- #size-cells: Must be 0.
+- reg: Specify controller address.
+
+Required child properties:
+- reg: Number of LED line (could be from 0 to 2).
+
+Optional child properties:
+- label: See Documentation/devicetree/bindings/leds/common.txt.
+
+Examples:
+
+led-controller@200 {
+ compatible = "sprd,sc2731-bltc";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x200>;
+
+ led@0 {
+ label = "red";
+ reg = <0x0>;
+ };
+
+ led@1 {
+ label = "green";
+ reg = <0x1>;
+ };
+
+ led@2 {
+ label = "blue";
+ reg = <0x2>;
+ };
+};
--
1.7.9.5
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