From 007fda302d771d818347ce85043ae8681b87b6e0 Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Tue, 3 Nov 2020 15:02:14 +0100 Subject: ARM: dts: exynos: Enable DWC2 dual-role support on OdroidU3+ boards MicroUSB port on OdroidU3+ boards can operate both as peripheral or as host port. Till now it was configured as pheriperal only port, but it turned out that the DWC2 driver code already handles everything needed to support USB role-switch, so switch it to dual-role (OTG) mode. This has no effect on OdroidU3 (without 'plus') and OdroidX2, which doesn't have USB needed ID pin and VBUS wiring. Those will still operate correctly in pheriperal mode only. Signed-off-by: Marek Szyprowski Tested-by: Anand Moon Link: https://lore.kernel.org/r/20201103140214.21690-1-m.szyprowski@samsung.com Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 1 - arch/arm/boot/dts/exynos4412-odroidu3.dts | 14 ++++++++++++++ arch/arm/boot/dts/exynos4412-odroidx.dts | 4 ++++ 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index 1ca9d8b5f868..4a67390426b6 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -256,7 +256,6 @@ }; &hsotg { - dr_mode = "peripheral"; status = "okay"; vusb_d-supply = <&ldo15_reg>; vusb_a-supply = <&ldo12_reg>; diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts index b8549d846f86..3bc83d63de6b 100644 --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts @@ -21,6 +21,15 @@ reg = <0x40000000 0x7FF00000>; }; + vbus_otg_reg: regulator-1 { + compatible = "regulator-fixed"; + regulator-name = "VBUS_VDD_5.0V"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpl2 0 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + leds { compatible = "gpio-leds"; led1 { @@ -105,6 +114,11 @@ phy-names = "hsic0", "hsic1"; }; +&hsotg { + dr_mode = "otg"; + vbus-supply = <&vbus_otg_reg>; +}; + &sound { model = "Odroid-U3"; samsung,audio-widgets = diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts index 46381e9097f4..d6ee62bf336c 100644 --- a/arch/arm/boot/dts/exynos4412-odroidx.dts +++ b/arch/arm/boot/dts/exynos4412-odroidx.dts @@ -76,6 +76,10 @@ }; }; +&hsotg { + dr_mode = "peripheral"; +}; + &mshc_0 { vqmmc-supply = <&buck8_reg>; }; -- cgit