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sunxi: dts: Add nodes for LCD panel and backlight

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Device tree is slightly different from Linux kernel one, because of
different ABI for display timings between u-boot and Linux.

Signed-off-by: Ondrej Jirman <megous@megous.com>
This commit is contained in:
Ondrej Jirman
2018-07-09 16:47:51 +02:00
parent 89ed7db13a
commit 70a9a6bf0a
1 changed files with 20 additions and 14 deletions
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34
arch/arm/dts/sun8i-a83t-tbs-a711.dts
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@@ -65,12 +65,15 @@
pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
enable-gpios = <&pio 3 29 GPIO_ACTIVE_HIGH>; enable-gpios = <&pio 3 29 GPIO_ACTIVE_HIGH>;
brightness-levels = <0 1 2 4 8 16 32 64 128 255>; brightness-levels = <0 8 9 10 11 13 15 17 19 21 23 25 28
default-brightness-level = <9>; 31 34 37 40 44 48 52 56 61 67 72 78
84 91 98 106 115 124 133 143 154
166 179 192 207 223 239 255>;
default-brightness-level = <20>;
}; };
panel { panel {
compatible = "tbs,a711-panel", "panel-lvds"; compatible = "tbs,a711-panel", "panel-lvds", "simple-panel";
backlight = <&backlight>; backlight = <&backlight>;
power-supply = <&reg_sw>; power-supply = <&reg_sw>;
@@ -78,17 +81,20 @@
height-mm = <90>; height-mm = <90>;
data-mapping = "vesa-24"; data-mapping = "vesa-24";
panel-timing { display-timings {
/* 1024x600 @60Hz */ timing {
clock-frequency = <52000000>; /* 1024x600 @60Hz */
hactive = <1024>; clock-frequency = <52000000>;
vactive = <600>; hactive = <1024>;
hsync-len = <20>; vactive = <600>;
hfront-porch = <180>; hsync-len = <20>;
hback-porch = <160>; hfront-porch = <180>;
vfront-porch = <12>; hback-porch = <160>;
vback-porch = <23>; vfront-porch = <12>;
vsync-len = <5>; vback-porch = <23>;
vsync-len = <5>;
bits-per-pixel = <24>;
};
}; };
port { port {