linux-kernel - [PATCH 2/4] ARM: dts: omap4-droid4: Update backlight dt properties

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Message-ID: <20190307220947.20057-2-dmurphy@ti.com>
Date:   Thu, 7 Mar 2019 16:09:45 -0600
From:   Dan Murphy <dmurphy@...com>
To:     <robh+dt@...nel.org>, <jacek.anaszewski@...il.com>, <pavel@....cz>,
        <tony@...mide.com>, <lee.jones@...aro.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-leds@...r.kernel.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH 2/4] ARM: dts: omap4-droid4: Update backlight dt properties

Update the properties for the lm3532 device node for droid4.
With this change the backlight LED string and the keypad
LED strings will be controlled separately.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 arch/arm/boot/dts/omap4-droid4-xt894.dts | 27 +++++++++++++++++-------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts
index e21ec929f096..94e3d53dbcf3 100644
--- a/arch/arm/boot/dts/omap4-droid4-xt894.dts
+++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts
@@ -6,6 +6,7 @@
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/leds-lm3532.h>
 #include "omap443x.dtsi"
 #include "motorola-cpcap-mapphone.dtsi"
 
@@ -383,20 +384,30 @@
 };
 
 &i2c1 {
-	lm3532@38 {
+	led-controller@38 {
 		compatible = "ti,lm3532";
+		#address-cells = <1>;
+		#size-cells = <0>;
 		reg = <0x38>;
 
 		enable-gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>;
 
-		lcd_backlight: backlight {
-			compatible = "ti,lm3532-backlight";
+		ramp-up-ms = <LM3532_RAMP_1024us>;
+		ramp-down-ms = <LM3532_RAMP_65536us>;
 
-			lcd {
-				led-sources = <0 1 2>;
-				ramp-up-msec = <1>;
-				ramp-down-msec = <0>;
-			};
+		lcd_backlight: led@0 {
+			reg = <0>;
+			led-sources = <2>;
+			ti,led-mode = <LM3532_BL_MODE_MANUAL>;
+			label = "backlight";
+			linux,default-trigger = "backlight";
+		};
+
+		led@1 {
+			reg = <1>;
+			led-sources = <1>;
+			ti,led-mode = <LM3532_BL_MODE_MANUAL>;
+			label = "keypad";
 		};
 	};
 };
-- 
2.20.1.390.gb5101f9297