[PATCH v1 07/14] ARM: dts: imx6ull-colibri: update device trees to support overlays

From: Marcel Ziswiler
Date: Thu Apr 14 2022 - 04:52:24 EST


From: Denys Drozdov <denys.drozdov@xxxxxxxxxxx>

Prepare in-tree device trees for out-of-tree device tree overlay support
(eMMC SKU only).

Relocate panel-dpi default to edt,et057090dhu (RGB 18bit VGA 640x480)
to the module-level dtsi and remove it from the carrier board dtsi.

Keep backlight, resistive touch and Atmel maxtouch nodes enabled
for both eMMC and NAND modules.

Signed-off-by: Denys Drozdov <denys.drozdov@xxxxxxxxxxx>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>
---

.../arm/boot/dts/imx6ull-colibri-eval-v3.dtsi | 29 -----------------
arch/arm/boot/dts/imx6ull-colibri.dtsi | 31 ++++++++++++++++---
2 files changed, 27 insertions(+), 33 deletions(-)

diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
index ea086b305d22..3c07b4273e80 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
@@ -29,17 +29,6 @@ clk16m: clk16m {
clock-frequency = <16000000>;
};

- panel: panel {
- compatible = "edt,et057090dhu";
- backlight = <&bl>;
- power-supply = <&reg_3v3>;
-
- port {
- panel_in: endpoint {
- remote-endpoint = <&lcdif_out>;
- };
- };
- };

reg_3v3: regulator-3v3 {
compatible = "regulator-fixed";
@@ -71,14 +60,6 @@ &adc1 {
status = "okay";
};

-&bl {
- brightness-levels = <0 4 8 16 32 64 128 255>;
- default-brightness-level = <6>;
- power-supply = <&reg_3v3>;
- pwms = <&pwm4 0 5000000 1>;
- status = "okay";
-};
-
&ecspi1 {
status = "okay";

@@ -107,16 +88,6 @@ m41t0m6: rtc@68 {
};
};

-&lcdif {
- status = "okay";
-
- port {
- lcdif_out: endpoint {
- remote-endpoint = <&panel_in>;
- };
- };
-};
-
/* PWM <A> */
&pwm4 {
status = "okay";
diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi
index d633288b8ee8..a1e26ac4d1e7 100644
--- a/arch/arm/boot/dts/imx6ull-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi
@@ -11,12 +11,29 @@ aliases {
ethernet1 = &fec1;
};

- bl: backlight {
+ backlight: backlight {
compatible = "pwm-backlight";
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ enable-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_bl_on>;
- enable-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
- status = "disabled";
+ power-supply = <&reg_3v3>;
+ pwms = <&pwm4 0 5000000 1>;
+ status = "okay";
+ };
+
+ panel_dpi: panel-dpi {
+ compatible = "edt,et057090dhu";
+ backlight = <&backlight>;
+ power-supply = <&reg_3v3>;
+ status = "okay";
+
+ port {
+ lcd_panel_in: endpoint {
+ remote-endpoint = <&lcdif_out>;
+ };
+ };
};

reg_module_3v3: regulator-module-3v3 {
@@ -149,7 +166,7 @@ &i2c2 {
scl-gpios = <&gpio1 30 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";

- ad7879@2c {
+ ad7879_ts: touchscreen@2c {
compatible = "adi,ad7879-1";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_snvs_ad7879_int>;
@@ -170,6 +187,12 @@ &lcdif {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lcdif_dat
&pinctrl_lcdif_ctrl>;
+
+ port {
+ lcdif_out: endpoint {
+ remote-endpoint = <&lcd_panel_in>;
+ };
+ };
};

&pwm4 {
--
2.35.1