[PATCH 4/4] ARM: dts: Enable pwm backlight on rk3288-EVB
From: dianders@chromium.org (Doug Anderson)
Date: 2014-08-19 16:05:35
Also in:
linux-devicetree, lkml
Thierry, On Tue, Aug 19, 2014 at 12:22 AM, Thierry Reding [off-list ref] wrote:
On Mon, Aug 18, 2014 at 10:09:09AM -0700, Doug Anderson wrote:quoted
The pwm0 is the PWM associated with the LCD backlight. Enable it.In the subject, s/pwm/PWM/.
Done.
quoted
Signed-off-by: Doug Anderson <dianders@chromium.org> --- arch/arm/boot/dts/rk3288-evb.dtsi | 53 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+)diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi index 2964370..242e1a9 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 {Indentation seems to be off here.
Good catch. Done.
quoted
+ 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>; + };And here.
Done.