lede/target/linux/rockchip/patches-5.18/254-arm64-dts-rockchip-enable-usb-hub-on-the-radxa-rock3-model-a.patch

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Diff

From 160f126b89e10bd58491e10067a44c7e3f85fa2c Mon Sep 17 00:00:00 2001
From: Michael Riesch <michael.riesch@wolfvision.net>
Date: Mon, 25 Apr 2022 15:35:02 +0200
Subject: [PATCH] arm64: dts: rockchip: enable usb hub on the radxa rock3 model
a
One USB 2.0 host port on the Radxa ROCK3 Model A is connected to the
SoC via a hub. Introduce a voltage regulator to enable this USB hub.
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220425133502.405512-3-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -97,6 +97,17 @@
vin-supply = <&vcc5v0_usb>;
};
+ vcc5v0_usb_hub: vcc5v0-usb-hub-regulator {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio0 RK_PD5 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc5v0_usb_hub_en>;
+ regulator-name = "vcc5v0_usb_hub";
+ regulator-always-on;
+ vin-supply = <&vcc5v0_usb>;
+ };
+
vcc5v0_usb_otg: vcc5v0-usb-otg-regulator {
compatible = "regulator-fixed";
enable-active-high;
@@ -436,6 +447,9 @@
vcc5v0_usb_host_en: vcc5v0_usb_host_en {
rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
};
+ vcc5v0_usb_hub_en: vcc5v0_usb_hub_en {
+ rockchip,pins = <0 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
vcc5v0_usb_otg_en: vcc5v0_usb_otg_en {
rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
};