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arm64: dts: rockchip: rk3568-evb fix vcc5v0_usb nodes

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Add min/max voltage for usb regulators, also add vin-supply for them.

From rk3568-evb1 hardware design, the power tree about usb is
DC12V
  ->  VCC5V0_USB(controlled by EXT_EN from PMIC)
        ->  VCC5V0_HOST(controlled by GPIO0_A6)
	->  VCC5V0_OTG(controlled by GPIO0_A5)

The EXT_EN from PMIC RK809 is designed for device power off to cut off
the usb 5.0v power, during system on, it keeps always on.

Change-Id: I21e431b4b41022b101b6db92b0769d096679b67c
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
This commit is contained in:
Jianqun Xu
2021-06-11 18:32:41 +08:00
committed by Tao Huang
parent 6de4caa7df
commit d4d1745bef
1 changed files with 20 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
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@@ -252,23 +252,40 @@
vin-supply = <&dc_12v>;
};
vcc5v0_usb: vcc5v0-usb {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_usb";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <&dc_12v>;
};
vcc5v0_host: vcc5v0-host-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_host";
regulator-boot-on;
regulator-always-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
enable-active-high;
gpio = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
vin-supply = <&vcc5v0_usb>;
pinctrl-names = "default";
pinctrl-0 = <&vcc5v0_host_en>;
regulator-name = "vcc5v0_host";
regulator-always-on;
};
vcc5v0_otg: vcc5v0-otg-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_otg";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
enable-active-high;
gpio = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
vin-supply = <&vcc5v0_usb>;
pinctrl-names = "default";
pinctrl-0 = <&vcc5v0_otg_en>;
regulator-name = "vcc5v0_otg";
};
vcc3v3_lcd0_n: vcc3v3-lcd0-n {