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authorOleksandr Suvorov <oleksandr.suvorov@toradex.com>2019-07-05 10:28:20 +0300
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-02-12 11:05:59 +0100
commit02c0ad4983314b19701933a3c8eaf4fb03a1a2ce (patch)
tree0c357698fb6248fc55bf0239bb643e9e5d25efce /arch
parent71cd52f869da6dd5f0a96c6ad83e3cfb3e81360c (diff)
arm64: dts: fsl: colibri-imx8qxp: Add VGA and DISP outputs for LCDIF
Support DAC VGA converter and parallel display interface as output ports of LCDIF block. Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri-eval-v3.dts79
1 files changed, 69 insertions, 10 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri-eval-v3.dts b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri-eval-v3.dts
index 1a0bdf1240d2..ec05eeb99245 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri-eval-v3.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri-eval-v3.dts
@@ -6,6 +6,18 @@
/dts-v1/;
//#define IS_A0_SILICON
+/*
+ * Choose output point for LCDIF block:
+ * LCDIF_OUT_ADV7125: VGA converter + VGA connector X24
+ * LCDIF_OUT_DISPLAY: Panel connected to
+ * - Generic Display Connector X20,
+ * - Unified Interface Display Connector X34
+ *
+ * NOTE: LCDIF output to LVDS transmitter is not supported for now.
+ */
+#define LCDIF_OUT_ADV7125
+//#define LCDIF_OUT_DISPLAY
+
#include "dt-bindings/pwm/pwm.h"
#include "fsl-imx8qxp-colibri-eval-v3.dtsi"
@@ -13,7 +25,12 @@
model = "Toradex Colibri iMX8QXP";
compatible = "toradex,colibri-imx8qxp-eval-v3", "toradex,colibri-imx8qxp", "fsl,imx8qxp";
- backlight: backlight {
+ display-subsystem {
+ status = "disabled";
+ };
+
+#ifdef LCDIF_OUT_DISPLAY
+ lcdif_backlight: lcdif_backlight {
compatible = "pwm-backlight";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_bl_on>;
@@ -25,22 +42,18 @@
status = "okay";
};
- display-subsystem {
- status = "disabled";
- };
-
panel {
compatible = "edt,et070080dh6";
- backlight = <&backlight>;
+ backlight = <&lcdif_backlight>;
+ enable-gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>;
port {
lcd_panel_in: endpoint {
-// remote-endpoint = <&lcdif_out>;
- remote-endpoint = <&lcd_panel_in>;
+ remote-endpoint = <&lcd_display_out>;
};
};
};
-#if 1
+
lcd_display: disp0 {
#address-cells = <1>;
#size-cells = <0>;
@@ -62,16 +75,62 @@
};
#endif
+#if defined(LCDIF_OUT_ADV7125)
+ vga {
+ compatible = "vga-connector";
+ label = "vga";
+ status = "okay";
+
+ port {
+ vga_in: endpoint {
+ remote-endpoint = <&adv7125_out>;
+ };
+ };
+ };
+
+ vga-encoder {
+ compatible = "adi,adv7125", "adi,adv7123";
+ status = "okay";
+ vdd-supply = <&vdd_3v3_vga>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ lcd_display_in: endpoint {
+ remote-endpoint = <&lcdif_out>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ adv7125_out: endpoint {
+ remote-endpoint = <&vga_in>;
+ };
+ };
+ };
+ };
+#endif
};
&adma_lcdif {
pinctrl-names = "default";
+ /* Dumb DAC to VGA converter doesn't support backlight, so
+ * instead use enable-gpios for LCDIF driver for this configuration
+ */
+#ifdef LCDIF_OUT_ADV7125
+ pinctrl-0 = <&pinctrl_lcdif &pinctrl_gpio_bl_on>;
+ enable-gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>; /* BKL1_ON */
+ pinctrl-assert-gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>;
+#else
pinctrl-0 = <&pinctrl_lcdif>;
+#endif
status = "okay";
port@0 {
lcdif_out: lcdif-endpoint {
- remote-endpoint = <&lcd_panel_in>;
+ remote-endpoint = <&lcd_display_in>;
};
};
};