[PATCH] ARM: dts: imx6qdl-dhcom-pdk2: Fill in missing panel power-supply
Christoph Niedermaier
cniedermaier at dh-electronics.com
Wed Oct 16 01:32:17 PDT 2024
From: Marek Vasut <marex at denx.de>
Sent: Wednesday, October 16, 2024 1:25 AM
> 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 at denx.de>
> ---
> Cc: Christoph Niedermaier <cniedermaier at dh-electronics.com>
> Cc: Conor Dooley <conor+dt at kernel.org>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
> Cc: Rob Herring <robh at kernel.org>
> Cc: Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: devicetree at vger.kernel.org
> Cc: imx at lists.linux.dev
> Cc: kernel at dh-electronics.com
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> ---
> .../boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi | 20 +++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> 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 773fdcfcd0015..d7c2b30aecfd1 100644
> --- 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 @@ led-8 {
> panel {
> backlight = <&display_bl>;
> compatible = "edt,etm0700g0edh6";
> + power-supply = <®_panel_3v3>;
>
> port {
> lcd_panel_in: endpoint {
> @@ -151,6 +152,25 @@ lcd_panel_in: endpoint {
> };
> };
>
> + /* 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 = <®_pdk2_24v>;
> + };
> +
> sound {
> audio-codec = <&sgtl5000>;
> audio-routing =
Reviewed-by: Christoph Niedermaier <cniedermaier at dh-electronics.com>
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