summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/leds
diff options
context:
space:
mode:
authorBaolin Wang <baolin.wang@linaro.org>2018-05-14 14:34:50 +0800
committerJacek Anaszewski <jacek.anaszewski@gmail.com>2018-05-14 22:18:04 +0200
commita0258db6c933f9ecad2f06f039107801f5e76092 (patch)
treeba8a8df5dae2f0300ce913f5b29c6b80d8b2b945 /Documentation/devicetree/bindings/leds
parentd54e5b522202b287132b9f24569b9c107f6af36d (diff)
downloadblackbird-op-linux-a0258db6c933f9ecad2f06f039107801f5e76092.tar.gz
blackbird-op-linux-a0258db6c933f9ecad2f06f039107801f5e76092.zip
dt-bindings: leds: Add SC27xx breathing light controller documentation
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@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
-rw-r--r--Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt41
1 files changed, 41 insertions, 0 deletions
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 000000000000..dddf84f9c7ea
--- /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 the controller address.
+
+Required child properties:
+- reg: Port this LED is connected to.
+
+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>;
+ };
+};
OpenPOWER on IntegriCloud