From: David Wu <wdc@rock-chips.com>
Date: Tue, 1 Dec 2015 10:49:25 +0000 (+0800)
Subject: ARM64: dts: rk3368: enable backlight node
X-Git-Tag: firefly_0821_release~3566
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=09c104d2e2c84d0ce0f4e231b4d8c4b2cf5fcc14;p=firefly-linux-kernel-4.4.55.git

ARM64: dts: rk3368: enable backlight node

Change-Id: I41b2cd94f7806906a5f3017de1fb9a25d520ea4e
Signed-off-by: David Wu <wdc@rock-chips.com>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3368-tb.dts b/arch/arm64/boot/dts/rockchip/rk3368-tb.dts
index b7fc90931ed9..fc164573fa87 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-tb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3368-tb.dts
@@ -41,6 +41,7 @@
  */
 
 /dts-v1/;
+#include <dt-bindings/pwm/pwm.h>
 #include "rk3368.dtsi"
 
 / {
@@ -60,6 +61,46 @@
 			rockchip,ion_heap = <0>;
 		};
 	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 0 25000 PWM_POLARITY_INVERTED>;
+		brightness-levels = <
+			  0   1   2   3   4   5   6   7
+			  8   9  10  11  12  13  14  15
+			 16  17  18  19  20  21  22  23
+			 24  25  26  27  28  29  30  31
+			 32  33  34  35  36  37  38  39
+			 40  41  42  43  44  45  46  47
+			 48  49  50  51  52  53  54  55
+			 56  57  58  59  60  61  62  63
+			 64  65  66  67  68  69  70  71
+			 72  73  74  75  76  77  78  79
+			 80  81  82  83  84  85  86  87
+			 88  89  90  91  92  93  94  95
+			 96  97  98  99 100 101 102 103
+			104 105 106 107 108 109 110 111
+			112 113 114 115 116 117 118 119
+			120 121 122 123 124 125 126 127
+			128 129 130 131 132 133 134 135
+			136 137 138 139 140 141 142 143
+			144 145 146 147 148 149 150 151
+			152 153 154 155 156 157 158 159
+			160 161 162 163 164 165 166 167
+			168 169 170 171 172 173 174 175
+			176 177 178 179 180 181 182 183
+			184 185 186 187 188 189 190 191
+			192 193 194 195 196 197 198 199
+			200 201 202 203 204 205 206 207
+			208 209 210 211 212 213 214 215
+			216 217 218 219 220 221 222 223
+			224 225 226 227 228 229 230 231
+			232 233 234 235 236 237 238 239
+			240 241 242 243 244 245 246 247
+			248 249 250 251 252 253 254 255>;
+		default-brightness-level = <200>;
+		enable-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
+	};
 };
 
 &emmc {