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ARM: dts: sun8i: a711: Enable the LCD

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The A711 has 1024x600 LVDS panel, with a PWM-based backlight. Add it to our
DT.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Maxime Ripard 2017-07-24 18:54:20 +02:00
parent 3d600b5f1e
commit 1ce7990791
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GPG Key ID: D2B4C094214DAF74
1 changed files with 61 additions and 0 deletions
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61
arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
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@ -45,6 +45,7 @@
#include "sun8i-a83t.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pwm/pwm.h>
/ {
model = "TBS A711 Tablet";
@ -59,6 +60,44 @@
stdout-path = "serial0:115200n8";
};
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
enable-gpios = <&pio 3 29 GPIO_ACTIVE_HIGH>;
brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
default-brightness-level = <9>;
};
panel {
compatible = "tbs,a711-panel", "panel-lvds";
backlight = <&backlight>;
power-supply = <&reg_sw>;
width-mm = <153>;
height-mm = <90>;
data-mapping = "vesa-24";
panel-timing {
/* 1024x600 @60Hz */
clock-frequency = <52000000>;
hactive = <1024>;
vactive = <600>;
hsync-len = <20>;
hfront-porch = <180>;
hback-porch = <160>;
vfront-porch = <12>;
vback-porch = <23>;
vsync-len = <5>;
};
port {
panel_input: endpoint {
remote-endpoint = <&tcon0_out_lcd>;
};
};
};
reg_vbat: reg-vbat {
compatible = "regulator-fixed";
regulator-name = "vbat";
@ -89,6 +128,10 @@
};
};
&de {
status = "okay";
};
/*
* An USB-2 hub is connected here, which also means we don't need to
* enable the OHCI controller.
@ -142,6 +185,12 @@
status = "okay";
};
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm_pin>;
status = "okay";
};
&r_rsb {
status = "okay";
@ -322,6 +371,18 @@
regulator-name = "vcc-lcd";
};
&tcon0 {
pinctrl-names = "default";
pinctrl-0 = <&lcd_lvds_pins>;
};
&tcon0_out {
tcon0_out_lcd: endpoint@0 {
reg = <0>;
remote-endpoint = <&panel_input>;
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pb_pins>;