ARM: dts: iwg20d-q7-common: Add LCD support

The iwg20d comes with a 7" capacitive touch screen, therefore
add support for it.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/1573660292-10629-11-git-send-email-fabrizio.castro@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/iwg20d-q7-common.dtsi b/arch/arm/boot/dts/iwg20d-q7-common.dtsi
index ae75a1d..ab5ae93 100644 (file)
--- a/arch/arm/boot/dts/iwg20d-q7-common.dtsi
+++ b/arch/arm/boot/dts/iwg20d-q7-common.dtsi
@@ -46,6 +46,49 @@
                clock-frequency = <26000000>;
        };
 
+       lcd_backlight: backlight {
+               compatible = "pwm-backlight";
+
+               pwms = <&pwm3 0 5000000 0>;
+               brightness-levels = <0 4 8 16 32 64 128 255>;
+               default-brightness-level = <7>;
+               enable-gpios = <&gpio5 14 GPIO_ACTIVE_HIGH>;
+       };
+
+       lvds-receiver {
+               compatible = "ti,ds90cf384a", "lvds-decoder";
+               powerdown-gpios = <&gpio7 25 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";
@@ -120,6 +163,18 @@
        status = "okay";
 };
 
+&du {
+       status = "okay";
+};
+
+&gpio2 {
+       touch-interrupt {
+               gpio-hog;
+               gpios = <12 GPIO_ACTIVE_LOW>;
+               input;
+       };
+};
+
 &hsusb {
        status = "okay";
        pinctrl-0 = <&usb0_pins>;
@@ -147,6 +202,25 @@
                VDDIO-supply = <&reg_3p3v>;
                VDDD-supply = <&reg_1p5v>;
        };
+
+       touch: touchpanel@38 {
+               compatible = "edt,edt-ft5406";
+               reg = <0x38>;
+               interrupt-parent = <&gpio2>;
+               interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
+       };
+};
+
+&lvds0 {
+       status = "okay";
+
+       ports {
+               port@1 {
+                       lvds0_out: endpoint {
+                               remote-endpoint = <&lvds_receiver_in>;
+                       };
+               };
+       };
 };
 
 &pci0 {
@@ -180,6 +254,11 @@
                function = "i2c2";
        };
 
+       pwm3_pins: pwm3 {
+               groups = "pwm3";
+               function = "pwm3";
+       };
+
        scif0_pins: scif0 {
                groups = "scif0_data_d";
                function = "scif0";
@@ -218,6 +297,12 @@
        };
 };
 
+&pwm3 {
+       pinctrl-0 = <&pwm3_pins>;
+       pinctrl-names = "default";
+       status = "okay";
+};
+
 &rcar_sound {
        pinctrl-0 = <&sound_pins>;
        pinctrl-names = "default";

diff --git a/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi b/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
index 0e99df2..ede2e0c 100644 (file)
--- a/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
+++ b/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
@@ -39,7 +39,6 @@
 &du {
        pinctrl-0 = <&du_pins>;
        pinctrl-names = "default";
-       status = "okay";
 
        ports {
                port@0 {