Model the Carrier Board power distribution by adding a fixed 3.3V and 5V regulator. The 3.3V regulator is connected to the backlight as well as the display supply. The 5V regulator is used to supply USB VBUS. Signed-off-by: Stefan Agner <stefan@xxxxxxxx> --- arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 17 +++++++++++++++++ arch/arm/boot/dts/imx7d-colibri-eval-v3.dts | 1 + 2 files changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi index 7a98a45a0d95..18bebd6d8d47 100644 --- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi +++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi @@ -48,6 +48,7 @@ panel: panel { compatible = "edt,et057090dhu"; backlight = <&bl>; + power-supply = <®_3v3>; port { panel_in: endpoint { @@ -55,11 +56,27 @@ }; }; }; + + reg_3v3: regulator-3v3 { + compatible = "regulator-fixed"; + regulator-name = "3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + reg_5v0: regulator-5v0 { + compatible = "regulator-fixed"; + regulator-name = "5V"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; }; &bl { brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_3v3>; + status = "okay"; }; diff --git a/arch/arm/boot/dts/imx7d-colibri-eval-v3.dts b/arch/arm/boot/dts/imx7d-colibri-eval-v3.dts index bd01d2cc642d..a608a14d8c85 100644 --- a/arch/arm/boot/dts/imx7d-colibri-eval-v3.dts +++ b/arch/arm/boot/dts/imx7d-colibri-eval-v3.dts @@ -57,6 +57,7 @@ regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; gpio = <&gpio4 7 GPIO_ACTIVE_LOW>; + vin-supply = <®_5v0>; }; }; -- 2.12.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html