ARM: dts: imx6qdl-dhcom-pdk2: Fill in missing panel power-supply

Add missing panel power-supply property to DT to fix the following warning.
The power supply on this device is very simple chain of regulators from the
main 24V input, describe those.

"
arch/arm/boot/dts/nxp/imx/imx6q-dhcom-pdk2.dtb: panel: 'power-supply' is a required property
"

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi
index 773fdcfcd001523a1fccdb87523a829437df9a1e..d7c2b30aecfd1f572504bb7e48e69a8e2e1efc33 100644 (file)
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi
@@ -143,6 +143,7 @@
        panel {
                backlight = <&display_bl>;
                compatible = "edt,etm0700g0edh6";
+               power-supply = <&reg_panel_3v3>;
 
                port {
                        lcd_panel_in: endpoint {
@@ -151,6 +152,25 @@
                };
        };
 
+       /* Filtered supply voltage */
+       reg_pdk2_24v: regulator-pdk2-24v {
+               compatible = "regulator-fixed";
+               regulator-always-on;
+               regulator-max-microvolt = <24000000>;
+               regulator-min-microvolt = <24000000>;
+               regulator-name = "24V_PDK2";
+       };
+
+       /* 560-200 U1 */
+       reg_panel_3v3: regulator-panel-3v3 {
+               compatible = "regulator-fixed";
+               regulator-always-on;
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-name = "3V3_PANEL";
+               vin-supply = <&reg_pdk2_24v>;
+       };
+
        sound {
                audio-codec = <&sgtl5000>;
                audio-routing =