[PATCH 8/8] ARM: dts: sun4i: gemei-g9: Add LVDS display support

[Priit Laes]

Signed-off-by: Priit Laes <pl...@plaes.org>
---
 arch/arm/boot/dts/sun4i-a10-gemei-g9.dts | 95 +++++++++++++++++++++++++++++---
 1 file changed, 86 insertions(+), 9 deletions(-)

diff --git a/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts 
b/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts
index 9616cde..c19f906 100644
--- a/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts
+++ b/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Priit Laes
+ * Copyright 2015-2017 Priit Laes
  *
  * Priit Laes <pl...@plaes.org>
  *
@@ -48,28 +48,69 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
 
 / {
        model = "Gemei G9 Tablet";
        compatible = "gemei,g9", "allwinner,sun4i-a10";
 
+       /*
+        * TODO:
+        *   2x cameras via CSI
+        *   AXP battery management
+        *   NAND
+        *   OTG
+        *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
+        *   HDMI output
+        */
+
        aliases {
                serial0 = &uart0;
        };
 
+       backlight: backlight {
+               compatible = "pwm-backlight";
+               pinctrl-names = "default";
+               pinctrl-0 = <&lcd_backlight_pin>;
+               /* TODO: Figure out proper parameters */
+               pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
+               brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
+               enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
+               default-brightness-level = <8>;
+       };
+
        chosen {
                stdout-path = "serial0:115200n8";
        };
+
+       panel: panel {
+               compatible = "lg,lp097x02-slq2";
+               pinctrl-names = "default";
+               pinctrl-0 = <&lcd_enable_pin &lcd_lvds0_pins>;
+               enable-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       panel_input: endpoint {
+                               remote-endpoint = <&tcon0_out_panel>;
+                       };
+               };
+       };
+
+       display-engine {
+               compatible = "allwinner,sun5i-a13-display-engine";
+               allwinner,pipelines = <&fe0>;
+       };
+};
+
+&be0 {
+       status = "okay";
 };
 
-/*
- * TODO:
- *   2x cameras via CSI
- *   AXP battery management
- *   NAND
- *   OTG
- *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
- */
 &codec {
        /* PH15 controls power to external amplifier (ft2012q) */
        pinctrl-names = "default";
@@ -90,6 +131,10 @@
        status = "okay";
 };
 
+&fe0 {
+       status = "okay";
+};
+
 &i2c0 {
        pinctrl-names = "default";
        pinctrl-0 = <&i2c0_pins_a>;
@@ -159,6 +204,27 @@
                pins = "PH15";
                function = "gpio_out";
        };
+
+       lcd_backlight_pin: lcd_backlight_pin@0 {
+               pins = "PH7";
+               function = "gpio_out";
+       };
+
+       lcd_enable_pin: lcd_enable_pin@0 {
+               pins = "PH8";
+               function = "gpio_out";
+       };
+
+       lcd_lvds0_pins: lcd_lvds0_pins@0 {
+               pins =  "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", 
"PD8", "PD9";
+               function = "lvds0";
+       };
+};
+
+&pwm {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pwm0_pins_a>;
+        status = "okay";
 };
 
 &reg_dcdc2 {
@@ -194,6 +260,17 @@
        status = "okay";
 };
 
+&tcon0 {
+       mode = "lvds";
+       status = "okay";
+};
+
+&tcon0_out {
+       tcon0_out_panel: endpoint@1 {
+               reg = <0>;
+               remote-endpoint = <&panel_input>;
+       };
+};
 
 &uart0  {
        pinctrl-names = "default";
-- 
2.9.3

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