From: Krzysztof Kozlowski <krzk@kernel.org> To: Rob Herring <robh+dt@kernel.org>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <krzk@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Marek Szyprowski <m.szyprowski@samsung.com>, Gabriel Ribba Esteva <gabriel.ribbae@gmail.com>, stable@vger.kernel.org Subject: [PATCH 2/4] ARM: dts: exynos: fix USB 3.0 VBUS control and over-current pins on Exynos5410 Date: Thu, 15 Oct 2020 20:20:42 +0200 [thread overview] Message-ID: <20201015182044.480562-2-krzk@kernel.org> (raw) In-Reply-To: <20201015182044.480562-1-krzk@kernel.org> The VBUS control (PWREN) and over-current pins of USB 3.0 DWC3 controllers are on Exynos5410 regular GPIOs. This is different than for example on Exynos5422 where these are special ETC pins with proper reset values (pulls, functions). Therefore these pins should be configured to enable proper USB 3.0 peripheral and host modes. This also fixes over-current warning: [ 6.024658] usb usb4-port1: over-current condition [ 6.028271] usb usb3-port1: over-current condition Fixes: cb0896562228 ("ARM: dts: exynos: Add USB to Exynos5410") Cc: <stable@vger.kernel.org> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> --- arch/arm/boot/dts/exynos5410-pinctrl.dtsi | 28 +++++++++++++++++++++++ arch/arm/boot/dts/exynos5410.dtsi | 4 ++++ 2 files changed, 32 insertions(+) diff --git a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi index e5d0a2a4f648..d0aa18443a69 100644 --- a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi @@ -560,6 +560,34 @@ gpk3: gpk3 { interrupt-controller; #interrupt-cells = <2>; }; + + usb3_1_oc: usb3-1-oc { + samsung,pins = "gpk2-4", "gpk2-5"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + + usb3_1_vbusctrl: usb3-1-vbusctrl { + samsung,pins = "gpk2-6", "gpk2-7"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + + usb3_0_oc: usb3-0-oc { + samsung,pins = "gpk3-0", "gpk3-1"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + + usb3_0_vbusctrl: usb3-0-vbusctrl { + samsung,pins = "gpk3-2", "gpk3-3"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; }; &pinctrl_2 { diff --git a/arch/arm/boot/dts/exynos5410.dtsi b/arch/arm/boot/dts/exynos5410.dtsi index abe75b9e39f5..060b8696d24d 100644 --- a/arch/arm/boot/dts/exynos5410.dtsi +++ b/arch/arm/boot/dts/exynos5410.dtsi @@ -390,6 +390,8 @@ &trng { &usbdrd3_0 { clocks = <&clock CLK_USBD300>; clock-names = "usbdrd30"; + pinctrl-names = "default"; + pinctrl-0 = <&usb3_0_oc>, <&usb3_0_vbusctrl>; }; &usbdrd_phy0 { @@ -401,6 +403,8 @@ &usbdrd_phy0 { &usbdrd3_1 { clocks = <&clock CLK_USBD301>; clock-names = "usbdrd30"; + pinctrl-names = "default"; + pinctrl-0 = <&usb3_1_oc>, <&usb3_1_vbusctrl>; }; &usbdrd_dwc3_1 { -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzk@kernel.org> To: Rob Herring <robh+dt@kernel.org>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <krzk@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org, Gabriel Ribba Esteva <gabriel.ribbae@gmail.com>, Marek Szyprowski <m.szyprowski@samsung.com> Subject: [PATCH 2/4] ARM: dts: exynos: fix USB 3.0 VBUS control and over-current pins on Exynos5410 Date: Thu, 15 Oct 2020 20:20:42 +0200 [thread overview] Message-ID: <20201015182044.480562-2-krzk@kernel.org> (raw) In-Reply-To: <20201015182044.480562-1-krzk@kernel.org> The VBUS control (PWREN) and over-current pins of USB 3.0 DWC3 controllers are on Exynos5410 regular GPIOs. This is different than for example on Exynos5422 where these are special ETC pins with proper reset values (pulls, functions). Therefore these pins should be configured to enable proper USB 3.0 peripheral and host modes. This also fixes over-current warning: [ 6.024658] usb usb4-port1: over-current condition [ 6.028271] usb usb3-port1: over-current condition Fixes: cb0896562228 ("ARM: dts: exynos: Add USB to Exynos5410") Cc: <stable@vger.kernel.org> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> --- arch/arm/boot/dts/exynos5410-pinctrl.dtsi | 28 +++++++++++++++++++++++ arch/arm/boot/dts/exynos5410.dtsi | 4 ++++ 2 files changed, 32 insertions(+) diff --git a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi index e5d0a2a4f648..d0aa18443a69 100644 --- a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi @@ -560,6 +560,34 @@ gpk3: gpk3 { interrupt-controller; #interrupt-cells = <2>; }; + + usb3_1_oc: usb3-1-oc { + samsung,pins = "gpk2-4", "gpk2-5"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + + usb3_1_vbusctrl: usb3-1-vbusctrl { + samsung,pins = "gpk2-6", "gpk2-7"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + + usb3_0_oc: usb3-0-oc { + samsung,pins = "gpk3-0", "gpk3-1"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + + usb3_0_vbusctrl: usb3-0-vbusctrl { + samsung,pins = "gpk3-2", "gpk3-3"; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; }; &pinctrl_2 { diff --git a/arch/arm/boot/dts/exynos5410.dtsi b/arch/arm/boot/dts/exynos5410.dtsi index abe75b9e39f5..060b8696d24d 100644 --- a/arch/arm/boot/dts/exynos5410.dtsi +++ b/arch/arm/boot/dts/exynos5410.dtsi @@ -390,6 +390,8 @@ &trng { &usbdrd3_0 { clocks = <&clock CLK_USBD300>; clock-names = "usbdrd30"; + pinctrl-names = "default"; + pinctrl-0 = <&usb3_0_oc>, <&usb3_0_vbusctrl>; }; &usbdrd_phy0 { @@ -401,6 +403,8 @@ &usbdrd_phy0 { &usbdrd3_1 { clocks = <&clock CLK_USBD301>; clock-names = "usbdrd30"; + pinctrl-names = "default"; + pinctrl-0 = <&usb3_1_oc>, <&usb3_1_vbusctrl>; }; &usbdrd_dwc3_1 { -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-10-15 18:21 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-15 18:20 [PATCH 1/4] ARM: dts: exynos: fix roles of USB 3.0 ports on Odroid XU Krzysztof Kozlowski 2020-10-15 18:20 ` Krzysztof Kozlowski 2020-10-15 18:20 ` Krzysztof Kozlowski [this message] 2020-10-15 18:20 ` [PATCH 2/4] ARM: dts: exynos: fix USB 3.0 VBUS control and over-current pins on Exynos5410 Krzysztof Kozlowski 2020-10-15 18:20 ` [PATCH 3/4] ARM: dts: exynos: fix USB 3.0 pins supply being turned off on Odroid XU Krzysztof Kozlowski 2020-10-15 18:20 ` Krzysztof Kozlowski 2020-10-15 18:20 ` [PATCH 4/4] ARM: dts: exynos: disable pull up of USB 3.0 over-current " Krzysztof Kozlowski 2020-10-15 18:20 ` Krzysztof Kozlowski 2020-10-26 18:49 ` [PATCH 1/4] ARM: dts: exynos: fix roles of USB 3.0 ports " Krzysztof Kozlowski 2020-10-26 18:49 ` Krzysztof Kozlowski
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