ARM: dts: stm32: Add backlight and panel supply on DHCOM SoM

Fix the following dtbs_check warning:
arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dt.yaml: display-bl: 'power-supply' is a required property
arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dt.yaml: panel: 'power-supply' is a required property

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: kernel@dh-electronics.com
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
index c9577ba2973d3fbe02cabf9a06049d03097b0ed9..fbf3826933e4dbe5dc1f52a973c4e6018ca25319 100644 (file)
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
@@ -29,6 +29,7 @@
                brightness-levels = <0 16 22 30 40 55 75 102 138 188 255>;
                default-brightness-level = <8>;
                enable-gpios = <&gpioi 0 GPIO_ACTIVE_HIGH>;
+               power-supply = <&reg_panel_bl>;
                status = "okay";
        };
 
@@ -110,6 +111,7 @@
        panel {
                compatible = "edt,etm0700g0edh6";
                backlight = <&display_bl>;
+               power-supply = <&reg_panel_bl>;
 
                port {
                        lcd_panel_in: endpoint {
@@ -118,6 +120,21 @@
                };
        };
 
+       reg_panel_bl: regulator-panel-bl {
+               compatible = "regulator-fixed";
+               regulator-name = "panel_backlight";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&reg_panel_supply>;
+       };
+
+       reg_panel_supply: regulator-panel-supply {
+               compatible = "regulator-fixed";
+               regulator-name = "panel_supply";
+               regulator-min-microvolt = <24000000>;
+               regulator-max-microvolt = <24000000>;
+       };
+
        sound {
                compatible = "audio-graph-card";
                routing =