ARM: dts: update display related nodes for exynos5250-snow

Add DT nodes for ptn3460 bridge chip and panel.
Add backlight enable pin and backlight power supply for pwm-backlight.
Also add bridge phandle needed by dp to enable display on snow.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 22 insertions, 19 deletions

diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index 2a6245934c8d..e51fcef884a4 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -9,6 +9,7 @@
 */
 
 /dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
 #include "exynos5250.dtsi"
 
 / {
@@ -194,7 +195,7 @@
                                         dcdc3 {
                                                 ti,enable-ext-control;
                                         };
-                                        fet1 {
+                                        fet1: fet1 {
                                                 regulator-name = "vcd_led";
                                                 ti,overcurrent-wait = <3>;
                                         };
@@ -217,7 +218,7 @@
                                                 regulator-always-on;
                                                 ti,overcurrent-wait = <3>;
                                         };
-                                        fet6 {
+                                        fet6: fet6 {
                                                 regulator-name = "lcd_vdd";
                                                 ti,overcurrent-wait = <3>;
                                         };
@@ -246,6 +247,15 @@
                         pinctrl-0 = <&max98095_en>;
                         pinctrl-names = "default";
                 };
+
+                ptn3460: lvds-bridge@20 {
+                        compatible = "nxp,ptn3460";
+                        reg = <0x20>;
+                        powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
+                        reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
+                        edid-emulation = <5>;
+                        panel = <&panel>;
+                };
         };
 
         i2s0: i2s@03830000 {
@@ -298,11 +308,13 @@
                 vdd_pll-supply = <&ldo8_reg>;
         };
 
-        backlight {
+        backlight: backlight {
                 compatible = "pwm-backlight";
                 pwms = <&pwm 0 1000000 0>;
                 brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
                 default-brightness-level = <7>;
+                enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
+                power-supply = <&fet1>;
                 pinctrl-0 = <&pwm0_out>;
                 pinctrl-names = "default";
         };
@@ -312,6 +324,12 @@
                 samsung,invert-vclk;
         };
 
+        panel: panel {
+                compatible = "auo,b116xw03";
+                power-supply = <&fet6>;
+                backlight = <&backlight>;
+        };
+
         dp-controller@145B0000 {
                 status = "okay";
                 pinctrl-names = "default";
@@ -323,22 +341,7 @@
                 samsung,link-rate = <0x0a>;
                 samsung,lane-count = <2>;
                 samsung,hpd-gpio = <&gpx0 7 0>;
-
-                display-timings {
-                        native-mode = <&timing1>;
-
-                        timing1: timing@1 {
-                                clock-frequency = <70589280>;
-                                hactive = <1366>;
-                                vactive = <768>;
-                                hfront-porch = <40>;
-                                hback-porch = <40>;
-                                hsync-len = <32>;
-                                vback-porch = <10>;
-                                vfront-porch = <12>;
-                                vsync-len = <6>;
-                        };
-                };
+                bridge = <&ptn3460>;
         };
 };