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[2a01:cb00:8bd:2700:3cf5:4d24:f3b:36ef]) by smtp.gmail.com with ESMTPSA id v9sm8348215wrn.86.2021.02.19.06.30.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Feb 2021 06:30:37 -0800 (PST) From: Adrien Grassein Cc: krzk@kernel.org, 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, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Adrien Grassein Subject: [PATCH v3 2/9] arm64: dts: imx8mm-nitrogen-r2: add USB support Date: Fri, 19 Feb 2021 15:30:21 +0100 Message-Id: <20210219143028.207975-3-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210219143028.207975-1-adrien.grassein@gmail.com> References: <20210219143028.207975-1-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add description of USB. usbotg2 seems to not working on all boards (including ones from variscite). Signed-off-by: Adrien Grassein Reviewed-by: Krzysztof Kozlowski --- .../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts index 4a3dabeb8c85..48b3bf4316b8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts @@ -238,6 +238,34 @@ &usdhc3 { status = "okay"; }; +/* USB OTG port */ +&usbotg1 { + dr_mode = "otg"; + over-current-active-low; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg1>; + power-active-high; + status = "okay"; +}; + +/* USB Host port */ +&usbotg2 { + dr_mode = "host"; + over-current-active-low; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg2>; + power-active-high; + /* + * FIXME: having USB2 enabled hangs the boot just after: + *[ 1.655941] ci_hdrc ci_hdrc.1: EHCI Host Controller + *[ 1.660880] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2 + *[ 1.681505] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 + *[ 1.687730] hub 2-0:1.0: USB hub found + *[ 1.691528] hub 2-0:1.0: 1 port detected + */ + status = "disabled"; +}; + &wdog1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_wdog>; @@ -309,6 +337,20 @@ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140 >; }; + pinctrl_usbotg1: usbotg1grp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO12_USB1_OTG_PWR 0x16 + MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x156 + >; + }; + + pinctrl_usbotg2: usbotg2grp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO14_USB2_OTG_PWR 0x16 + MX8MM_IOMUXC_GPIO1_IO15_USB2_OTG_OC 0x15 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190 -- 2.25.1