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-rw-r--r--Documentation/devicetree/bindings/leds/leds-lp55xx.txt10
1 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
index a61727f9a6d1..d221e75d90fa 100644
--- a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
+++ b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
@@ -17,12 +17,15 @@ Optional properties:
2: D1~6 with VOUT, D7~9 with VDD
3: D1~9 are connected to VOUT
-Alternatively, each child can have specific channel name
-- chan-name: Name of each channel name
+Alternatively, each child can have a specific channel name and trigger:
+- chan-name (optional): name of channel
+- linux,default-trigger (optional): see
+ Documentation/devicetree/bindings/leds/common.txt
example 1) LP5521
3 LED channels, external clock used. Channel names are 'lp5521_pri:channel0',
-'lp5521_pri:channel1' and 'lp5521_pri:channel2'
+'lp5521_pri:channel1' and 'lp5521_pri:channel2', with a heartbeat trigger
+on channel 0.
lp5521@32 {
compatible = "national,lp5521";
@@ -33,6 +36,7 @@ lp5521@32 {
chan0 {
led-cur = /bits/ 8 <0x2f>;
max-cur = /bits/ 8 <0x5f>;
+ linux,default-trigger = "heartbeat";
};
chan1 {

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