diff options
| author | Doug Anderson <dianders@chromium.org> | 2014-08-25 15:59:27 -0700 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2014-08-27 23:29:38 +0200 |
| commit | 0541f94fdff89fb7bc14bf5fe0da21d9d19a0c6d (patch) | |
| tree | 10350574ae4999f0732d5c136e402e9b972e3af9 /arch/arm/boot/dts/rk3288-evb.dtsi | |
| parent | df542df3f572af7e5f8279e78d86614483d9670d (diff) | |
ARM: dts: Enable PWM backlight on rk3288-evb
PWM0 is the PWM associated with the LCD backlight. Enable it.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/boot/dts/rk3288-evb.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/rk3288-evb.dtsi | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi index 2964370aed90..98b69d017de9 100644 --- a/arch/arm/boot/dts/rk3288-evb.dtsi +++ b/arch/arm/boot/dts/rk3288-evb.dtsi @@ -10,6 +10,7 @@ * GNU General Public License for more details. */ +#include <dt-bindings/pwm/pwm.h> #include "rk3288.dtsi" / { @@ -17,6 +18,48 @@ reg = <0x0 0x80000000>; }; + 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 = <128>; + enable-gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en>; + pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>; + }; + gpio-keys { compatible = "gpio-keys"; #address-cells = <1>; @@ -81,6 +124,10 @@ status = "okay"; }; +&pwm0 { + status = "okay"; +}; + &uart0 { status = "okay"; }; @@ -102,6 +149,12 @@ }; &pinctrl { + backlight { + bl_en: bl-en { + rockchip,pins = <7 2 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + buttons { pwrbtn: pwrbtn { rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>; |