From 578c0e7e8363d4182c4c361250c7dbbf65ce20b5 Mon Sep 17 00:00:00 2001 From: Yakir Yang Date: Wed, 9 Nov 2016 21:21:57 +0800 Subject: [PATCH] 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 Signed-off-by: Caesar Wang Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk3399-evb.dts | 40 +++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts index 8e82497925fe..3040a989d699 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts @@ -49,6 +49,46 @@ / { compatible = "rockchip,rk3399-evb", "rockchip,rk3399", "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 + 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 = <&gpio1 13 GPIO_ACTIVE_HIGH>; + pwms = <&pwm0 0 25000 0>; + }; + clkin_gmac: external-gmac-clock { compatible = "fixed-clock"; clock-frequency = <125000000>;