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Date: Tue, 25 Aug 2020 16:22:06 +0800 From: Grant Feng <von81@....com> To: von81@....com, jacek.anaszewski@...il.com, pavel@....cz, dmurphy@...com, robh+dt@...nel.org, linux-leds@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v3 2/2] DT: leds: Add an optional property named 'shutdown-gpios' 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@....com> --- 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
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