diff options
| author |   Andy Yan <andy.yan@rock-chips.com> | 2017-08-14 16:42:47 +0800 |
|---|---|---|
| committer |   Heiko Stuebner <heiko@sntech.de> | 2017-08-19 00:53:03 +0200 |
| commit | b67377430ed32a41f089a457819063a1f11b8b01 (patch) | |
| tree | 2f09f70b38ae853cd90482d486fd0ea798344ee5 /arch/arm/boot/dts | |
| parent | ARM: dts: rockchip: add pwm dt nodes for rv1108 (diff) | |
| download | linux-dev-b67377430ed32a41f089a457819063a1f11b8b01.tar.xz linux-dev-b67377430ed32a41f089a457819063a1f11b8b01.zip | |
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')
| -rw-r--r-- | arch/arm/boot/dts/rv1108-evb.dts | 43 |
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 { |