linux-kernel - [PATCH] powerpc: wii.dts: Add drive slot LED

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Date:   Sat, 17 Mar 2018 16:06:17 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org,
        Jonathan Neuschäfer <j.neuschaefer@....net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        devicetree@...r.kernel.org
Subject: [PATCH] powerpc: wii.dts: Add drive slot LED

The Wii has a blue LED in the disk drive slot, which is controlled via a
GPIO line. Add this LED to wii.dts, and mark it as a panic-indicator.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
---
 arch/powerpc/boot/dts/wii.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/powerpc/boot/dts/wii.dts b/arch/powerpc/boot/dts/wii.dts
index d697f706fc22..a946a8f4bee3 100644
--- a/arch/powerpc/boot/dts/wii.dts
+++ b/arch/powerpc/boot/dts/wii.dts
@@ -13,6 +13,7 @@
  */
 
 /dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
 
 /*
  * This is commented-out for now.
@@ -228,5 +229,16 @@
 			interrupts = <2>;
 		};
 	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		/* This is the blue LED in the disk drive slot */
+		drive-slot {
+			label = "wii:blue:drive_slot";
+			gpios = <&GPIO 5 GPIO_ACTIVE_HIGH>;
+			panic-indicator;
+		};
+	};
 };
 
-- 
2.16.2