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Wed, 28 Dec 2022 02:05:57 -0800 (PST) From: Anand Moon To: Rob Herring , Krzysztof Kozlowski , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 09/11] arm64: dts: meson-sm1-odroid-c4: Used onboard usb hub reset on odroid c4 Date: Wed, 28 Dec 2022 10:03:18 +0000 Message-Id: <20221228100321.15949-10-linux.amoon@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221228100321.15949-1-linux.amoon@gmail.com> References: <20221228100321.15949-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221228_020558_964932_9A7EBE6D X-CRM114-Status: GOOD ( 14.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Odroid c4 previously use gpio-hog to reset the usb hub, switch to used on-board usb hub reset to enable the usb hub and enable power to hub. Signed-off-by: Anand Moon --- .../boot/dts/amlogic/meson-sm1-odroid-c4.dts | 25 +++++++++---------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts index 8c30ce63686e..9b8230d6a9da 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts @@ -26,20 +26,19 @@ led-blue { sound { model = "ODROID-C4"; }; -}; -&gpio { - /* - * WARNING: The USB Hub on the Odroid-C4 needs a reset signal - * to be turned high in order to be detected by the USB Controller - * This signal should be handled by a USB specific power sequence - * in order to reset the Hub when USB bus is powered down. - */ - hog-0 { - gpio-hog; - gpios = ; - output-high; - line-name = "usb-hub-reset"; + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + hub: hub@1 { + /* Via lab VL817-Q7 usb hub */ + compatible = "vialab,usb2109"; + reg = <1>; + vdd-supply = <&usb_pwr_en>; + reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; + }; }; }; -- 2.38.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel