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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2020-09-29 15:05:02 +0100
committerGeert Uytterhoeven <geert+renesas@glider.be>2020-10-26 09:56:32 +0100
commit9b533dc8f340f5e9e7f2ed610510b2191d5e447c (patch)
tree918754476bac491287f85e9dab9e900cfbc268bc /arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
parent3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff)
downloadlinux-9b533dc8f340f5e9e7f2ed610510b2191d5e447c.tar.gz
ARM: dts: r8a7742-iwg21d-q7: Add LCD support
The iwg21d comes with a 7" capacitive touch screen, therefore add support for it. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200929140502.16017-1-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm/boot/dts/r8a7742-iwg21d-q7.dts')
-rw-r--r--arch/arm/boot/dts/r8a7742-iwg21d-q7.dts99
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index c2c05c9685d1..0063ef92f50e 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 +53,16 @@
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>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -62,6 +73,41 @@
};
};
+ lvds-receiver {
+ compatible = "ti,ds90cf384a", "lvds-decoder";
+ power-supply = <&vcc_3v3_tft1>;
+
+ 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>;
+ power-supply = <&vcc_3v3_tft1>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&lvds_receiver_out>;
+ };
+ };
+ };
+
reg_1p5v: 1p5v {
compatible = "regulator-fixed";
regulator-name = "1P5V";
@@ -85,6 +131,17 @@
};
};
+ vcc_3v3_tft1: regulator-panel {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vcc-3v3-tft1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ startup-delay-us = <500>;
+ gpio = <&gpio5 28 GPIO_ACTIVE_HIGH>;
+ };
+
vcc_sdhi2: regulator-vcc-sdhi2 {
compatible = "regulator-fixed";
@@ -139,6 +196,16 @@
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>;
+ /* GP1_29 is also shared with audio codec reset pin */
+ reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
+ vcc-supply = <&vcc_3v3_tft1>;
+ };
};
&can1 {
@@ -152,6 +219,18 @@
status = "okay";
};
+&du {
+ status = "okay";
+};
+
+&gpio0 {
+ touch-interrupt {
+ gpio-hog;
+ gpios = <24 GPIO_ACTIVE_LOW>;
+ input;
+ };
+};
+
&gpio1 {
can-trx-en-gpio{
gpio-hog;
@@ -167,6 +246,17 @@
status = "okay";
};
+&lvds0 {
+ status = "okay";
+ ports {
+ port@1 {
+ lvds0_out: endpoint {
+ remote-endpoint = <&lvds_receiver_in>;
+ };
+ };
+ };
+};
+
&msiof0 {
pinctrl-0 = <&msiof0_pins>;
pinctrl-names = "default";
@@ -229,6 +319,11 @@
function = "avb";
};
+ backlight_pins: backlight {
+ groups = "tpu0_to2";
+ function = "tpu0";
+ };
+
can1_pins: can1 {
groups = "can1_data_b";
function = "can1";
@@ -335,6 +430,10 @@
shared-pin;
};
+&tpu {
+ status = "okay";
+};
+
&usbphy {
status = "okay";
};