[PATCH 7/7] ARM: dts: r8a7742-iwg21d-q7: Add LCD support

[Lad Prabhakar]

The iwg21d comes with a 7" capacitive touch screen, therefore
add support for it.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad...@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu...@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 84 +++++++++++++++++++++++++
 1 file changed, 84 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts 
b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index b3461a61a4bf..cf59fd61e422 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -30,6 +30,7 @@
 
 /dts-v1/;
 #include "r8a7742-iwg21m.dtsi"
+#include <dt-bindings/pwm/pwm.h>
 
 / {
        model = "iWave Systems RainboW-G21D-Qseven board based on RZ/G1H";
@@ -52,6 +53,50 @@
                clock-frequency = <26000000>;
        };
 
+       lcd_backlight: backlight {
+               compatible = "pwm-backlight";
+               pwms = <&tpu 2 5000000 0>;
+               brightness-levels = <0 4 8 16 32 64 128 255>;
+               pinctrl-0 = <&backlight_pins>;
+               pinctrl-names = "default";
+               default-brightness-level = <7>;
+               enable-gpios = <&gpio3 11 GPIO_ACTIVE_HIGH>;
+       };
+
+       lvds-receiver {
+               compatible = "ti,ds90cf384a", "lvds-decoder";
+               powerdown-gpios = <&gpio5 28 GPIO_ACTIVE_LOW>;
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               lvds_receiver_in: endpoint {
+                                       remote-endpoint = <&lvds0_out>;
+                               };
+                       };
+                       port@1 {
+                               reg = <1>;
+                               lvds_receiver_out: endpoint {
+                                       remote-endpoint = <&panel_in>;
+                               };
+                       };
+               };
+       };
+
+       panel {
+               compatible = "edt,etm0700g0dh6";
+               backlight = <&lcd_backlight>;
+
+               port {
+                       panel_in: endpoint {
+                               remote-endpoint = <&lvds_receiver_out>;
+                       };
+               };
+       };
+
        reg_1p5v: 1p5v {
                compatible = "regulator-fixed";
                regulator-name = "1P5V";
@@ -129,12 +174,31 @@
                VDDIO-supply = <&reg_3p3v>;
                VDDD-supply = <&reg_1p5v>;
        };
+
+       touch: touchpanel@38 {
+               compatible = "edt,edt-ft5406";
+               reg = <0x38>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
+       };
 };
 
 &cmt0 {
        status = "okay";
 };
 
+&du {
+       status = "okay";
+};
+
+&gpio0 {
+       touch-interrupt {
+               gpio-hog;
+               gpios = <24 GPIO_ACTIVE_LOW>;
+               input;
+       };
+};
+
 &hsusb {
        pinctrl-0 = <&usb0_pins>;
        pinctrl-names = "default";
@@ -165,6 +229,11 @@
                function = "avb";
        };
 
+       backlight_pins: backlight {
+               groups = "tpu0_to2";
+               function = "tpu0";
+       };
+
        i2c2_pins: i2c2 {
                groups = "i2c2_b";
                function = "i2c2";
@@ -208,6 +277,17 @@
        };
 };
 
+&lvds0 {
+       status = "okay";
+       ports {
+               port@1 {
+                       lvds0_out: endpoint {
+                               remote-endpoint = <&lvds_receiver_in>;
+                       };
+               };
+       };
+};
+
 &rcar_sound {
        pinctrl-0 = <&sound_pins>;
        pinctrl-names = "default";
@@ -261,6 +341,10 @@
        shared-pin;
 };
 
+&tpu {
+       status = "okay";
+};
+
 &usbphy {
        status = "okay";
 };
-- 
2.17.1

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