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arm64: dts: rockchip: add backlight support for rk3399 evb board 

Add backlight node for evb board, perpare for panel device node.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Yakir Yang 2016-11-09 21:21:57 +08:00 committed by Heiko Stuebner
parent 2afc1db0c5
commit 578c0e7e83
1 changed files with 40 additions and 0 deletions
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40
arch/arm64/boot/dts/rockchip/rk3399-evb.dts
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@ -49,6 +49,46 @@ / {
compatible = "rockchip,rk3399-evb", "rockchip,rk3399", compatible = "rockchip,rk3399-evb", "rockchip,rk3399",
"google,rk3399evb-rev2"; "google,rk3399evb-rev2";
backlight: backlight {
compatible = "pwm-backlight";
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
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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
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184 185 186 187 188 189 190 191
192 193 194 195 196 197 198 199
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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 = <&gpio1 13 GPIO_ACTIVE_HIGH>;
pwms = <&pwm0 0 25000 0>;
};
clkin_gmac: external-gmac-clock { clkin_gmac: external-gmac-clock {
compatible = "fixed-clock"; compatible = "fixed-clock";
clock-frequency = <125000000>; clock-frequency = <125000000>;