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Wed, 29 Nov 2023 21:32:01 -0800 (PST) From: Anand Moon To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: Anand Moon , linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 2/2] arm64: dts: amlogic: Used onboard usb hub reset on odroid n2 Date: Thu, 30 Nov 2023 11:01:27 +0530 Message-ID: <20231130053130.21966-3-linux.amoon@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231130053130.21966-1-linux.amoon@gmail.com> References: <20231130053130.21966-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Wed, 29 Nov 2023 21:32:33 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783965791079608430 X-GMAIL-MSGID: 1783965791079608430 On Odroid n2/n2+ 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 --- .../dts/amlogic/meson-g12b-odroid-n2.dtsi | 36 ++++++++++++------- 1 file changed, 24 insertions(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi index 91c9769fda20..9e671444eca6 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi @@ -31,6 +31,30 @@ hub_5v: regulator-hub_5v { enable-active-high; }; + /* USB hub supports both USB 2.0 and USB 3.0 root hub */ + usb-hub { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + /* 2.0 hub on port 1 */ + hub_2_0: hub@1 { + compatible = "usb5e3,610"; + reg = <1>; + peer-hub = <&hub_3_0>; + vdd-supply = <&usb_pwr_en>; + }; + + /* 3.0 hub on port 4 */ + hub_3_0: hub@2 { + compatible = "usb5e3,620"; + reg = <2>; + peer-hub = <&hub_2_0>; + reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc_5v>; + }; + }; + sound { compatible = "amlogic,axg-sound-card"; model = "ODROID-N2"; @@ -234,18 +258,6 @@ &gpio { "PIN_3", /* GPIOX_17 */ "PIN_5", /* GPIOX_18 */ "PIN_36"; /* GPIOX_19 */ - /* - * WARNING: The USB Hub on the Odroid-N2 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. - */ - usb-hub-hog { - gpio-hog; - gpios = ; - output-high; - line-name = "usb-hub-reset"; - }; }; &i2c3 {