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

Priit Laes
2017-02-11T17:44:05Z

Signed-off-by: Priit Laes <plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.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 <plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.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