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ARM: dts: imx7-colibri: add Carrier Board 3.3V/5V regulators

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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@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Stefan Agner 2017-03-29 16:21:13 -07:00 committed by Shawn Guo
parent c9171bb5a9
commit 746380186d
2 changed files with 18 additions and 0 deletions
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17
arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
View File

@ -48,6 +48,7 @@ chosen {
panel: panel {
compatible = "edt,et057090dhu";
backlight = <&bl>;
power-supply = <&reg_3v3>;
port {
panel_in: endpoint {
@ -55,11 +56,27 @@ panel_in: endpoint {
};
};
};
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 = <&reg_3v3>;
status = "okay";
};

1
arch/arm/boot/dts/imx7d-colibri-eval-v3.dts
View File

@ -57,6 +57,7 @@ reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio4 7 GPIO_ACTIVE_LOW>;
vin-supply = <&reg_5v0>;
};
};