linux-kernel - [PATCH v3 1/2] arm64: dts: allwinner: pinephone: Retain LEDs state in suspend

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Date: Sat, 16 Mar 2024 20:39:28 -0400
From: Aren Moynihan <aren@...cevolution.org>
To: linux-kernel@...r.kernel.org
Cc: Conor Dooley <conor+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Pavel Machek <pavel@....cz>,
	devicetree@...r.kernel.org,
	linux-sunxi@...ts.linux.dev,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Miles Alan <m@...esalan.com>,
	Samuel Holland <samuel@...lland.org>,
	linux-arm-kernel@...ts.infradead.org,
	Ondrej Jirman <megi@....cz>,
	Aren Moynihan <aren@...cevolution.org>
Subject: [PATCH v3 1/2] arm64: dts: allwinner: pinephone: Retain LEDs state in suspend

From: Miles Alan <m@...esalan.com>

Allows user to set a LED before entering suspend to know that
the phone is still on (or could be used for notifications etc).

Signed-off-by: Miles Alan <m@...esalan.com>
Signed-off-by: Ondrej Jirman <megi@....cz>
Signed-off-by: Aren Moynihan <aren@...cevolution.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@...il.com>
---
The previous revision can be found at:
https://lore.kernel.org/lkml/20240206185400.596979-1-aren@peacevolution.org/

(no changes since v1)

 arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 87847116ab6d..ad2476ee01e4 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -43,18 +43,21 @@ led-0 {
 			function = LED_FUNCTION_INDICATOR;
 			color = <LED_COLOR_ID_BLUE>;
 			gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
+			retain-state-suspended;
 		};
 
 		led-1 {
 			function = LED_FUNCTION_INDICATOR;
 			color = <LED_COLOR_ID_GREEN>;
 			gpios = <&pio 3 18 GPIO_ACTIVE_HIGH>; /* PD18 */
+			retain-state-suspended;
 		};
 
 		led-2 {
 			function = LED_FUNCTION_INDICATOR;
 			color = <LED_COLOR_ID_RED>;
 			gpios = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
+			retain-state-suspended;
 		};
 	};
 
-- 
2.44.0