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[2a01:cb00:8bd:2700:8c8a:d15d:1b12:a6b4]) by smtp.gmail.com with ESMTPSA id f5sm963158wmf.15.2021.02.15.15.19.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Feb 2021 15:19:52 -0800 (PST) From: Adrien Grassein To: Subject: [PATCH 2/8] arm64: dts: imx8mm-nitrogen-r2: add USB support Date: Tue, 16 Feb 2021 00:19:37 +0100 Message-Id: <20210215231943.36910-3-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210215231943.36910-1-adrien.grassein@gmail.com> References: <20210215231943.36910-1-adrien.grassein@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210215_181954_351195_1FE43BF3 X-CRM114-Status: GOOD ( 13.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, will@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, linux-kernel@vger.kernel.org, krzk@kernel.org, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, catalin.marinas@arm.com, festevam@gmail.com, linux-arm-kernel@lists.infradead.org, Adrien Grassein 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 add description of USB. usbotg2 seems to not working on all boards (including ones from variscite). Signed-off-by: Adrien Grassein --- .../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 bf20a40bcda0..1b29d8a12d04 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts @@ -231,6 +231,34 @@ &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>; @@ -302,6 +330,20 @@ 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 0x156 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190 -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel