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Tue, 11 May 2021 12:36:07 -0700 (PDT) From: Adrien Grassein To: Cc: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, catalin.marinas@arm.com, will@kernel.org, bjorn.andersson@linaro.org, krzk@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Adrien Grassein Subject: [PATCH v4 2/4] arm64: dts: imx8mq-nitrogen: add USB HOST support Date: Tue, 11 May 2021 21:35:59 +0200 Message-Id: <20210511193601.2584324-3-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210511193601.2584324-1-adrien.grassein@gmail.com> References: <20210511193601.2584324-1-adrien.grassein@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210511_123609_351762_7B9E5676 X-CRM114-Status: GOOD ( 11.87 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the description for the USB host port. This port is linked to a resettable USB HUB so handle this reset signal with a GPIO hog. Signed-off-by: Adrien Grassein --- .../boot/dts/freescale/imx8mq-nitrogen.dts | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts index b46f45a82be1..5553f3c84dbc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts @@ -102,6 +102,15 @@ ethphy0: ethernet-phy@4 { }; }; +/* Release reset of the USB Host HUB */ +&gpio1 { + usb-host-reset-hog { + gpio-hog; + gpios = <14 GPIO_ACTIVE_HIGH>; + output-high; + }; +}; + &i2c1 { clock-frequency = <400000>; pinctrl-names = "default"; @@ -213,6 +222,17 @@ &usb3_phy0 { status = "okay"; }; +&usb_dwc3_1 { + dr_mode = "host"; + status = "okay"; +}; + +&usb3_phy1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb3_1>; + status = "okay"; +}; + &usdhc1 { assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>; assigned-clock-rates = <400000000>; @@ -388,6 +408,12 @@ MX8MQ_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x16 >; }; + pinctrl_usb3_1: usb3-1grp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO14_GPIO1_IO14 0x16 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x83