[PATCH v3 2/2] DT: leds: Add an optional property named 'shutdown-gpios'

From: Grant Feng
Date: Tue Aug 25 2020 - 04:23:39 EST


The chip enters hardware shutdown when the SDB pin is pulled low.
The chip releases hardware shutdown when the SDB pin is pulled high.

Signed-off-by: Grant Feng <von81@xxxxxxx>
---
Documentation/devicetree/bindings/leds/leds-is31fl319x.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/leds/leds-is31fl319x.txt b/Documentation/devicetree/bindings/leds/leds-is31fl319x.txt
index fc2603484544..676d43ec8169 100644
--- a/Documentation/devicetree/bindings/leds/leds-is31fl319x.txt
+++ b/Documentation/devicetree/bindings/leds/leds-is31fl319x.txt
@@ -16,6 +16,7 @@ Optional properties:
- audio-gain-db : audio gain selection for external analog modulation input.
Valid values: 0 - 21, step by 3 (rounded down)
Default: 0
+- shutdown-gpios : Specifier of the GPIO connected to SDB pin of the chip.

Each led is represented as a sub-node of the issi,is31fl319x device.
There can be less leds subnodes than the chip can support but not more.
@@ -44,6 +45,7 @@ fancy_leds: leds@65 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x65>;
+ shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;

red_aux: led@1 {
label = "red:aux";
--
2.17.1