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authorAndy Yan <andy.yan@rock-chips.com>2017-08-14 16:42:47 +0800
committerHeiko Stuebner <heiko@sntech.de>2017-08-19 00:53:03 +0200
commitb67377430ed32a41f089a457819063a1f11b8b01 (patch)
tree2f09f70b38ae853cd90482d486fd0ea798344ee5 /arch/arm/boot/dts/rv1108-evb.dts
parent0c2d34aae26f445ea05c6a2f2ca6aa972fdd068d (diff)
ARM: dts: rockchip: add pwm backlight for rv1108 evb
RV1108 EVB uses pwm0 modulate the backlight, add dt node to enable it. Signed-off-by: Andy Yan <andy.yan@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/boot/dts/rv1108-evb.dts')
-rw-r--r--arch/arm/boot/dts/rv1108-evb.dts43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rv1108-evb.dts b/arch/arm/boot/dts/rv1108-evb.dts
index 58ee0fbc51f1..010763f57808 100644
--- a/arch/arm/boot/dts/rv1108-evb.dts
+++ b/arch/arm/boot/dts/rv1108-evb.dts
@@ -54,6 +54,49 @@
chosen {
stdout-path = "serial2:1500000n8";
};
+
+ 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
+ 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>;
+ pwms = <&pwm0 0 25000 0>;
+ };
+};
+
+&pwm0 {
+ status = "okay";
};
&sdmmc {